{"id":20586,"date":"2026-08-12T17:17:15","date_gmt":"2026-08-12T15:17:15","guid":{"rendered":"https:\/\/webhosting.de\/strace-analysieren-fehler-schneller-finden-debugging\/"},"modified":"2026-08-12T17:17:15","modified_gmt":"2026-08-12T15:17:15","slug":"strace%e3%81%ae%e5%88%86%e6%9e%90%e3%80%81%e3%82%a8%e3%83%a9%e3%83%bc%e3%81%ae%e8%bf%85%e9%80%9f%e3%81%aa%e7%89%b9%e5%ae%9a%e3%80%81%e3%83%87%e3%83%90%e3%83%83%e3%82%b0","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/strace-analysieren-fehler-schneller-finden-debugging\/","title":{"rendered":"strace \u3092\u4f7f\u3063\u305f\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u5206\u6790\uff1a\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3092\u8fc5\u901f\u306b\u7279\u5b9a\u3059\u308b"},"content":{"rendered":"<p>\u3068\u4e00\u7dd2\u306b <strong>strace Linux<\/strong> \u30e9\u30a4\u30d6\u3067\u3001\u3069\u308c\u304c <strong>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb<\/strong> strace\u3092\u5b9f\u969b\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3084\u6a29\u9650\u306e\u554f\u984c\u3001\u6b20\u843d\u3057\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u3092\u306f\u308b\u304b\u306b\u8fc5\u901f\u306b\u898b\u3064\u3051\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u8b0e\u3081\u3044\u305f\u30ed\u30b0\u3068\u306f\u7570\u306a\u308a\u3001strace\u306f\u554f\u984c\u306e\u767a\u751f\u7b87\u6240\u3067\u3001\u6700\u521d\u306b\u5931\u6557\u3057\u305f\u547c\u3073\u51fa\u3057\u3001\u5f15\u6570\u3001\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u660e\u78ba\u306b\u8868\u793a\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u307e\u3055\u306b\u3053\u306e\u6a5f\u80fd\u306e\u304a\u304b\u3052\u3067\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6642\u9593\u304c\u5927\u5e45\u306b\u77ed\u7e2e\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>\u4e2d\u5fc3\u70b9<\/h2>\n<p>\u4ee5\u4e0b\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u62bc\u3055\u3048\u308b\u3053\u3068\u3067\u3001strace \u3092\u4f7f\u3063\u3066\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3092\u3088\u308a\u8fc5\u901f\u306b\u7279\u5b9a\u3057\u3001\u6b63\u78ba\u306b\u7d5e\u308a\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n<ul>\n  <li><strong>\u900f\u660e\u6027<\/strong>: \u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u76f4\u63a5\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u539f\u56e0\u304c\u660e\u3089\u304b\u306b\u306a\u308b\u3002.<\/li>\n  <li><strong>\u30d5\u30a3\u30eb\u30bf\u30fc<\/strong>: \u30d5\u30a1\u30a4\u30eb\u3001\u30d7\u30ed\u30bb\u30b9\u3001\u307e\u305f\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u307f\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u8ffd\u8de1\u3059\u308b\u3002.<\/li>\n  <li><strong>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u5206\u6790<\/strong>: \u5b9f\u884c\u4e2d\u306ePID\u3092\u8ffd\u8de1\u3057\u3001\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u7279\u5b9a\u3059\u308b\u3002.<\/li>\n  <li><strong>\u6bd4\u8f03<\/strong>: \u7570\u306a\u308b\u30db\u30b9\u30c8\u3068\u30d3\u30eb\u30c9\u3092\u6bd4\u8f03\u3059\u308b\u3002.<\/li>\n  <li><strong>\u6982\u8981<\/strong>: \u983b\u7e41\u306b\u884c\u308f\u308c\u308b\u9ad8\u984d\u306a\u547c\u3073\u51fa\u3057\u3092\u307e\u3068\u3081\u3066\u78ba\u8a8d\u3059\u308b\u3002.<\/li>\n<\/ul>\n\n<h2>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u6982\u8981<\/h2>\n<p>\u3092\u30bb\u30c3\u30c8\u3057\u305f\u3002 <strong>\u30b9\u30c8\u30ec\u30fc\u30b9<\/strong> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30d5\u30ea\u30fc\u30ba\u3057\u305f\u308a\u3001\u4e0d\u81ea\u7136\u306b\u52d5\u4f5c\u304c\u9045\u304f\u306a\u3063\u305f\u308a\u3001\u7406\u7531\u3082\u306a\u304f\u505c\u6b62\u3057\u305f\u308a\u3057\u305f\u5834\u5408\u306f\u3001\u51fa\u529b\u7d50\u679c\u304b\u3089\u5373\u5ea7\u306b\u5b9f\u969b\u306e <strong>\u624b\u7d9a\u304d<\/strong> \u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u3068\u30ab\u30fc\u30cd\u30eb\u306e\u9593\u306b\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002 \u5404\u884c\u306b\u306f\u95a2\u6570\u540d\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3001\u623b\u308a\u5024\u3001errno\u3001\u30b7\u30b0\u30ca\u30eb\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u3069\u3053\u3067\u554f\u984c\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u304b\u3092\u5373\u5ea7\u306b\u628a\u63e1\u3067\u304d\u307e\u3059\u3002\u591a\u304f\u306e\u5834\u5408\u3001\u6700\u521d\u306e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u554f\u984c\u306e\u771f\u306e\u8d77\u70b9\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u671f\u5f85\u3057\u3066\u3044\u305f\u30d5\u30a1\u30a4\u30eb\u306b\u5bfe\u3057\u3066openat\u3092\u5b9f\u884c\u3057\u305f\u969b\u306bENOENT\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306a\u3069\u3067\u3059\u3002 \u30d7\u30ed\u30bb\u30b9\u304c\u505c\u6b62\u3057\u305f\u5834\u5408\u3001\u7e70\u308a\u8fd4\u3057\u884c\u308f\u308c\u308bfutex\u3084\u30dd\u30fc\u30ea\u30f3\u30b0\u306e\u547c\u3073\u51fa\u3057\u3092\u5f85\u6a5f\u30d1\u30bf\u30fc\u30f3\u3068\u89e3\u91c8\u3057\u307e\u3059\u3002\u79c1\u306b\u3068\u3063\u3066\u306f\u3001\u3053\u308c\u304c\u30ed\u30b0\u306b\u53d6\u3063\u3066\u4ee3\u308f\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30b7\u30b9\u30c6\u30e0\u5883\u754c\u306e\u3059\u3050\u305d\u3070\u306b\u304a\u3051\u308b\u6c7a\u5b9a\u7684\u306a\u8a73\u7d30\u60c5\u5831\u3092\u88dc\u5b8c\u3057\u3066\u304f\u308c\u308b\u3082\u306e\u3067\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/syscall-analyse-strace-7485.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u306f\u3058\u3081\u306b\uff1astrace \u3092\u4f7f\u3063\u3066\u30d7\u30ed\u30bb\u30b9\u3092\u76f4\u63a5\u5b9f\u884c\u3059\u308b<\/h2>\n<p>\u65b0\u3057\u3044\u5b9f\u884c\u7d50\u679c\u3092\u8abf\u67fb\u3057\u305f\u3044\u3068\u304d\u306f\u3001\u76f4\u63a5\u6b21\u306e\u3088\u3046\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002 <strong>\u30b9\u30c8\u30ec\u30fc\u30b9<\/strong>, \u3001\u4f8b\u3048\u3070 strace ls \u3068\u3044\u3063\u305f\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066\u3001\u305d\u306e\u5b8c\u5168\u306a <strong>\u30b7\u30fc\u30b1\u30f3\u30b9<\/strong> \u547c\u3073\u51fa\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u95a2\u6570\u306b\u3064\u3044\u3066\u3067\u3059\u3002-e trace=file \u3092\u6307\u5b9a\u3059\u308b\u3068\u30d5\u30a1\u30a4\u30eb\u30a2\u30af\u30bb\u30b9\u306b\u7126\u70b9\u3092\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u3001-e trace=process \u3092\u6307\u5b9a\u3059\u308b\u3068 fork\u3001execve\u3001exit \u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u95a2\u9023\u306e\u5834\u5408\u306f -e trace=network \u306b\u7126\u70b9\u3092\u5f53\u3066\u308b\u3053\u3068\u3067\u3001connect\u3001sendto\u3001recvfrom \u304c\u3059\u3050\u306b\u76ee\u306b\u3064\u304f\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 \u8868\u793a\u3055\u308c\u305f\u884c\u306e\u91cf\u3060\u3051\u3067\u306f\u69cb\u9020\u304c\u628a\u63e1\u3057\u3065\u3089\u3044\u5834\u5408\u306f\u3001-c \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u983b\u5ea6\u3068\u6642\u9593\u306e\u7d71\u8a08\u60c5\u5831\u304c\u30b3\u30f3\u30d1\u30af\u30c8\u306b\u307e\u3068\u3081\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u3069\u306e\u30b3\u30fc\u30eb\u304c\u5b9f\u884c\u6642\u9593\u3092\u5360\u3081\u3066\u3044\u308b\u304b\u3001\u3069\u3053\u306b\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u304b\u3092\u77ac\u6642\u306b\u628a\u63e1\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n<h2>\u5b9f\u884c\u4e2d\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u8ffd\u52a0\u3057\u3066\u30d5\u30a9\u30fc\u30ab\u30b9\u3059\u308b<\/h2>\n<p>\u3059\u3067\u306b\u7a3c\u50cd\u4e2d\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u3064\u3044\u3066\u306f\u3001\u79c1\u306f\u4ee5\u4e0b\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059 <strong>strace -p PID<\/strong> \u305d\u3057\u3066\u3001\u305d\u306e\u5bfe\u8c61\u306e <strong>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9<\/strong>, \u3001\u518d\u8d77\u52d5\u306e\u30ea\u30b9\u30af\u3084\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u3092\u4f34\u308f\u305a\u306b\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002-f \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3068\u5b50\u30d7\u30ed\u30bb\u30b9\u3082\u5bfe\u8c61\u306b\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u3053\u308c\u306fWeb\u30b5\u30fc\u30d0\u30fc\u3084\u30ef\u30fc\u30ab\u30fc\u306a\u3069\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002-tt \u306b\u3088\u308b\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3084 -T \u306b\u3088\u308b\u6240\u8981\u6642\u9593\u306e\u8868\u793a\u306f\u3001\u4f9d\u5b58\u95a2\u4fc2\u3084\u5f85\u6a5f\u6642\u9593\u3092\u6642\u9593\u8ef8\u306b\u6cbf\u3063\u3066\u6b63\u78ba\u306b\u628a\u63e1\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 \u30d5\u30a1\u30a4\u30eb\u30a2\u30af\u30bb\u30b9\u3060\u3051\u3092\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u306f\u3001-e trace=file \u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u51fa\u529b\u3092\u5236\u9650\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u8ca0\u8377\u3092\u4f4e\u304f\u6291\u3048\u307e\u3059\u3002\u30ab\u30fc\u30cd\u30eb\u306e\u9077\u79fb\u306b\u95a2\u3059\u308b\u7c21\u6f54\u306a\u4e88\u5099\u77e5\u8b58\u304c\u5fc5\u8981\u306a\u65b9\u306f\u3001\u3053\u3061\u3089\u306e\u7c21\u5358\u306a\u5165\u9580\u8a18\u4e8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\uff1a <a href=\"https:\/\/webhosting.de\/ja\/%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0%e3%82%b3%e3%83%bc%e3%83%ab%e3%81%ae%e7%90%86%e8%a7%a3%e3%80%80%e3%82%ab%e3%83%bc%e3%83%8d%e3%83%ab%e3%81%a8%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7\/\">\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u7406\u89e3<\/a>, \u3001\u3053\u308c\u306b\u3088\u308astrace\u306e\u51fa\u529b\u884c\u3092\u8aad\u307f\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/system_calls_strace_analysis_5832.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u7d20\u65e9\u304f\u8aad\u307f\u89e3\u304f\uff1a\u30d5\u30a1\u30a4\u30eb\u3001\u6a29\u9650\u3001\u30d5\u30ea\u30fc\u30ba<\/h2>\n<p>\u5178\u578b\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u307b\u3093\u306e\u5c11\u3057\u306e\u5146\u5019\u304b\u3089\u898b\u5206\u3051\u3089\u308c\u308b <strong>\u30d2\u30f3\u30c8<\/strong>: ENOENT\u306f\u30d1\u30b9\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u3053\u3068\u3092\u793a\u3057\u3066\u304a\u308a\u3001EACCES\u3084EPERM\u306f <strong>\u8a8d\u53ef<\/strong>, \u4e00\u65b9\u3001futex\u306e\u547c\u3073\u51fa\u3057\u304c\u7d99\u7d9a\u3057\u3066\u3044\u308b\u5834\u5408\u3084\u3001ppoll\/pselect\u304c\u30ed\u30c3\u30af\u3084\u5f85\u6a5f\u72b6\u614b\u3092\u793a\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30dd\u30fc\u30c8\u3084\u76f8\u624b\u5148\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002EADDRINUSE\u3084ECONNREFUSED\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u30dd\u30fc\u30c8\u3084\u76f8\u624b\u5148\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002 TLS\u3084DNS\u306e\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001connect\/recvfrom\u306e\u51e6\u7406\u5c65\u6b74\u3084\u884c\u9593\u306e\u6642\u9593\u5dee\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002 \u540c\u3058\u30d5\u30a1\u30a4\u30eb\u306b\u5bfe\u3059\u308b openat \u306e\u547c\u3073\u51fa\u3057\u304c\u7e70\u308a\u8fd4\u3057\u5931\u6557\u3059\u308b\u5834\u5408\u306f\u3001\u305f\u3044\u3066\u3044\u691c\u7d22\u30d1\u30b9\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u304b\u3001\u74b0\u5883\u5909\u6570\u304c\u7834\u640d\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u539f\u56e0\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u6700\u521d\u306e\u91cd\u5927\u306a\u30a8\u30e9\u30fc\u3092\u7279\u5b9a\u3059\u308b\u306e\u306b\u305d\u308c\u307b\u3069\u6642\u9593\u306f\u304b\u304b\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n<h2>\u6642\u9593\u3068\u30b3\u30b9\u30c8\u306e\u69cb\u9020\u3092\u53ef\u8996\u5316\u3059\u308b<\/h2>\n<p>-c \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u7c21\u6f54\u306a\u7d71\u8a08\u60c5\u5831\u304c\u8868\u793a\u3055\u308c\u3001\u305d\u3053\u304b\u3089 <strong>\u682a\u5f0f<\/strong> \u304a\u3088\u3073\u30b7\u30b9\u30c6\u30e0\u6a5f\u80fd\u3054\u3068\u306e\u547c\u3073\u51fa\u3057\u983b\u5ea6\u3092\u793a\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u306b\u3088\u308a\u3001 <strong>\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0<\/strong> \u3068\u6c17\u3065\u304d\u307e\u3057\u305f\u3002-tt \u3068 -T \u3092\u8ffd\u52a0\u3059\u308c\u3070\u3001\u6b63\u78ba\u306a\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3068\u5404\u30b3\u30fc\u30eb\u306e\u6240\u8981\u6642\u9593\u3092\u8a18\u9332\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u6642\u6298\u767a\u751f\u3059\u308b\u30d5\u30ea\u30fc\u30ba\u306e\u8abf\u67fb\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 2\u884c\u306e\u9593\u306b\u9577\u3044\u9593\u9694\u304c\u3042\u308b\u5834\u5408\u306f\u3001I\/O\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u4f11\u6b62\u304c\u7591\u308f\u308c\u307e\u3059\u3002\u5c0f\u3055\u306a\u8aad\u307f\u53d6\u308a\u30a2\u30af\u30bb\u30b9\u304c\u591a\u6570\u898b\u3089\u308c\u308b\u5834\u5408\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u3084\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u624b\u63a2\u308a\u72b6\u614b\u306b\u306a\u308b\u3053\u3068\u306a\u304f\u3001\u7684\u3092\u7d5e\u3063\u3066\u6700\u9069\u5316\u3092\u9032\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/system-calls-strace-analysis-4382.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30db\u30b9\u30c8\u3068\u30d3\u30eb\u30c9\u306e\u6bd4\u8f03<\/h2>\n<p>\u3042\u308b\u51e6\u7406\u304c\u30db\u30b9\u30c8A\u3067\u306f\u6b63\u5e38\u306b\u5b9f\u884c\u3055\u308c\u308b\u3082\u306e\u306e\u3001\u30db\u30b9\u30c8B\u3067\u306f\u5931\u6557\u3059\u308b\u5834\u5408\u3001\u79c1\u306f\u4e21\u65b9\u306e\u5b9f\u884c\u3092\u6b21\u306e\u3088\u3046\u306b\u958b\u59cb\u3057\u307e\u3059\u3002 <strong>\u30b9\u30c8\u30ec\u30fc\u30b9<\/strong> \u305d\u3057\u3066\u3001\u3053\u308c\u3092\u6bd4\u8f03\u3057\u3066 <strong>\u76f8\u9055\u70b9<\/strong> \u30d1\u30b9\u3001errno\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u3001\u74b0\u5883\u5909\u6570\u306b\u3064\u3044\u3066\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u6b20\u843d\u3057\u3066\u3044\u308b\u304b\u3001\u5225\u306e\u691c\u7d22\u30d1\u30b9\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3001\u3042\u308b\u3044\u306f\u6a29\u9650\u304c\u7570\u306a\u308b\u304b\u3092\u7d20\u65e9\u304f\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002 openat \u3084 statx \u3068\u3044\u3063\u305f\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u9806\u5e8f\u3084\u30bf\u30fc\u30b2\u30c3\u30c8\u30d1\u30b9\u306b\u5dee\u7570\u304c\u898b\u3089\u308c\u308b\u5834\u5408\u3001\u305d\u308c\u306f\u305f\u3044\u3066\u3044\u8d77\u52d5\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304c\u7570\u306a\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3088\u308a\u8a73\u7d30\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u95a2\u3059\u308b\u554f\u984c\u306b\u3064\u3044\u3066\u306f\u3001\u8ffd\u52a0\u3067\u30c4\u30fc\u30eb\u3092\u7d44\u307f\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002\u3053\u306e\u6982\u8981\u306b\u3064\u3044\u3066\u306f <a href=\"https:\/\/webhosting.de\/ja\/bpftrace-%e3%81%ab%e3%82%88%e3%82%8b%e3%83%9b%e3%82%b9%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e3%81%ae%e5%95%8f%e9%a1%8c%e3%81%ae%e6%97%a9%e6%9c%9f%e7%99%ba%e8%a6%8b\/\">\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306b\u304a\u3051\u308bbpftrace<\/a> \u3053\u308c\u306b\u3088\u308a\u3001\u30ab\u30fc\u30cd\u30eb\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u3055\u3089\u306b\u6b63\u78ba\u306b\u628a\u63e1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002strace\u3068bpftrace\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u30b7\u30b9\u30c6\u30e0\u5185\u3092\u3069\u306e\u3088\u3046\u306b\u901a\u904e\u3059\u308b\u304b\u306e\u660e\u78ba\u306a\u5168\u4f53\u50cf\u304c\u5f97\u3089\u308c\u307e\u3059\u3002.<\/p>\n\n<h2>\u30ed\u30b0\u306f\u88dc\u5b8c\u3059\u308b\u3082\u306e\u3067\u3042\u308a\u3001\u7f6e\u304d\u63db\u3048\u308b\u3082\u306e\u3067\u306f\u306a\u3044<\/h2>\n<p>\u8aad\u307f\u7d9a\u3051\u307e\u3059 <strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b0<\/strong>, \u3001\u3057\u304b\u3057\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u4e0d\u53ef\u89e3\u3060\u3063\u305f\u308a\u3001\u307e\u3063\u305f\u304f\u8868\u793a\u3055\u308c\u306a\u304b\u3063\u305f\u308a\u3059\u308b\u5834\u5408\u306b\u306f\u3001strace\u304c\u30b3\u30fc\u30c9\u3068\u30ab\u30fc\u30cd\u30eb\u306e\u9593\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u3066\u304f\u308c\u308b\u305f\u3081\u3001 <strong>\u691c\u7d22<\/strong> \u539f\u56e0\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u5bfe\u5fdc\u6642\u9593\u3092\u5927\u5e45\u306b\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u95a2\u9023\u306e\u8ab2\u984c\u306b\u3064\u3044\u3066\u306f\u3001\u79c1\u306f\u5206\u6790\u3068\u76e3\u67fb\u6d3b\u52d5\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3092\u597d\u3093\u3067\u3044\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u3092\u4f53\u7cfb\u7684\u306b\u8a18\u9332\u3057\u3066\u3044\u308b\u65b9\u306f\u3001\u3053\u306e\u30ac\u30a4\u30c9\u3092\u6d3b\u7528\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\uff1a <a href=\"https:\/\/webhosting.de\/ja\/linux-auditd-%e3%81%ab%e3%82%88%e3%82%8b%e3%82%bb%e3%82%ad%e3%83%a5%e3%83%aa%e3%83%86%e3%82%a3%e3%82%a4%e3%83%99%e3%83%b3%e3%83%88%e3%81%ae%e9%81%a9%e5%88%87%e3%81%aa%e3%83%ad%e3%82%b0%e8%a8%98\/\">auditd \u306e\u30ed\u30b0\u3092\u6b63\u3057\u304f\u8a18\u9332\u3059\u308b<\/a>. \u3053\u308c\u306b\u3088\u308a\u3001\u4f8b\u3048\u3070\u30dd\u30ea\u30b7\u30fc\u306b\u3088\u3063\u3066\u30a2\u30af\u30bb\u30b9\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u308b\u4e00\u65b9\u3067\u3001strace\u306f\u5bfe\u5fdc\u3059\u308berrno\u3092\u8868\u793a\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u3053\u306e2\u3064\u306e\u8996\u70b9\u304b\u3089\u3001\u3088\u308a\u5168\u4f53\u50cf\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u3001\u51fa\u529b\u304c\u81a8\u5927\u306b\u306a\u308a\u3059\u304e\u306a\u3044\u3088\u3046\u306b\u3001strace\u306e\u5b9f\u884c\u6642\u9593\u3092\u77ed\u304f\u6291\u3048\u308b\u3053\u3068\u3067\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/strace_system_calls_nacht_4827.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u8fc5\u901f\u306a\u7d5e\u308a\u8fbc\u307f\u306e\u305f\u3081\u306e\u8a3a\u7642\u30ef\u30fc\u30af\u30d5\u30ed\u30fc<\/h2>\n<p>\u307e\u305a\u3001 <strong>\u8cea\u554f<\/strong> \u51e6\u7406\u306b\u95a2\u3057\u3066\uff1a\u30d5\u30ea\u30fc\u30ba\u3001\u30af\u30e9\u30c3\u30b7\u30e5\u3001\u8aa4\u3063\u305f\u7d50\u679c\u3001\u307e\u305f\u306f\u5fdc\u7b54\u304c\u9045\u3044\u3068\u3044\u3063\u305f\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u6b63\u3057\u3044 <strong>\u30aa\u30d7\u30b7\u30e7\u30f3<\/strong> \u9078\u629e\u3057\u307e\u3059\u3002\u518d\u8d77\u52d5\u3059\u308b\u5834\u5408\u306f\u3001-e trace=file \u3084 -e trace=network \u3068\u3044\u3063\u305f\u30d5\u30a3\u30eb\u30bf\u3092\u6307\u5b9a\u3057\u3066 strace \u3092\u4f7f\u7528\u3057\u3001\u305d\u3046\u3067\u306a\u3044\u5834\u5408\u306f -p \u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30b5\u30fc\u30d3\u30b9\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u307e\u3067\u76e3\u8996\u3057\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u7d42\u4e86\u3057\u307e\u3059\u3002 \u554f\u984c\u306e\u884c\u306b\u3064\u3044\u3066\u306f\u3001\u76f4\u3061\u306b\u4fee\u6b63\u3092\u884c\u3044\u307e\u3059\u3002\u30d1\u30b9\u306e\u78ba\u8a8d\u3001\u6a29\u9650\u306e\u8abf\u6574\u3001\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u30c6\u30b9\u30c8\u3092\u884c\u3044\u307e\u3059\u3002\u539f\u56e0\u304c\u7279\u5b9a\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001\u6642\u9593\u60c5\u5831\u3092\u62e1\u5f35\u3057\u3001-c\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>\u51fa\u529b\u3092\u8a18\u9332\u3057\u3001\u5f8c\u3067\u5206\u6790\u3059\u308b<\/h2>\n<p>\u30a8\u30e9\u30fc\u304c\u3081\u3063\u305f\u306b\u767a\u751f\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u51fa\u529b\u3092\u6b21\u306e\u3088\u3046\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u307e\u3059\u3002 <strong>-o<\/strong> \u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u51fa\u3057\u3001-ff \u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u4ee5\u4e0b\u306e\u533a\u5206\u3092\u8a2d\u5b9a\u3057\u307e\u3059 <strong>PID<\/strong> \u3002\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u89aa\u30d7\u30ed\u30bb\u30b9\u3068\u5b50\u30d7\u30ed\u30bb\u30b9\u306e\u6d3b\u52d5\u3092\u5225\u3005\u306b\u8a18\u9332\u3057\u3066\u3044\u307e\u3059\u3002-s \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u5f15\u6570\u306e\u51fa\u529b\u9577\u3092\u5ef6\u9577\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30d1\u30b9\u304c\u5207\u308a\u8a70\u3081\u3089\u308c\u3066\u91cd\u8981\u306a\u60c5\u5831\u304c\u5f97\u3089\u308c\u306a\u304f\u306a\u308b\u5834\u5408\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u3067\u3059\u3002 \u5b9f\u884c\u6642\u9593\u304c\u9577\u304f\u306a\u308b\u5834\u5408\u306f\u3001\u30c7\u30fc\u30bf\u91cf\u3092\u7ba1\u7406\u53ef\u80fd\u306a\u7bc4\u56f2\u306b\u6291\u3048\u308b\u305f\u3081\u3001\u4f8b\u3048\u3070\u6b21\u306e\u30a8\u30e9\u30fc\u767a\u751f\u5730\u70b9\u307e\u3067\u3068\u3044\u3063\u305f\u660e\u78ba\u306a\u505c\u6b62\u6761\u4ef6\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001grep \u3092\u4f7f\u3063\u3066\u30d5\u30a1\u30a4\u30eb\u3092 errno \u3084\u547c\u3073\u51fa\u3057\u30bf\u30a4\u30d7\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3001\u95a2\u9023\u3059\u308b\u884c\u3092\u77ac\u6642\u306b\u62bd\u51fa\u3057\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/analyse_fehlerquellen_2345.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>strace\u306e\u91cd\u8981\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6982\u8981<\/h2>\n<p>\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u6700\u3082\u4e00\u822c\u7684\u306a\u3082\u306e\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u3002 <strong>\u30aa\u30d7\u30b7\u30e7\u30f3<\/strong> \u305d\u3057\u3066\u305d\u306e\u5b9f\u7528\u7684\u306a <strong>\u30d9\u30cd\u30d5\u30a3\u30c3\u30c8<\/strong> \u307e\u3068\u3081\u3066\u304a\u3051\u3070\u3001\u614c\u305f\u3060\u3057\u3044\u30a8\u30e9\u30fc\u5206\u6790\u306e\u969b\u306b\u9577\u6642\u9593\u63a2\u3059\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n<table>\n  <thead>\n    <tr>\n      <th>\u30aa\u30d7\u30b7\u30e7\u30f3<\/th>\n      <th>\u76ee\u7684<\/th>\n      <th>\u4ee3\u8868\u7684\u306a\u4f7f\u7528\u4f8b<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td><strong>-e trace=file<\/strong><\/td>\n      <td>\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u306b\u7126\u70b9\u3092\u5f53\u3066\u308b<\/td>\n      <td>open\/openat\u3001statx\u3001access \u3092\u7d20\u65e9\u304f\u78ba\u8a8d\u3059\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>-e trace=process<\/strong><\/td>\n      <td>\u30d7\u30ed\u30bb\u30b9\u6d3b\u52d5\u3092\u8868\u793a\u3059\u308b<\/td>\n      <td>fork\/execve\/clone \u304a\u3088\u3073 exit \u306e\u8ffd\u8de1<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>-e trace=network<\/strong><\/td>\n      <td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u547c\u3073\u51fa\u3057\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/td>\n      <td>connect\u3001sendto\u3001recvfrom \u3092\u5206\u96e2\u3059\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>-p PID<\/strong><\/td>\n      <td>\u9032\u884c\u4e2d\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u8ffd\u52a0\u3059\u308b<\/td>\n      <td>\u518d\u8d77\u52d5\u4e0d\u8981\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u8abf\u67fb\u3059\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>-f<\/strong><\/td>\n      <td>\u5b50\u30d7\u30ed\u30bb\u30b9\u3092\u542b\u3081\u308b<\/td>\n      <td>\u30ef\u30fc\u30ab\u30fc\u3068\u30b9\u30dd\u30fc\u30f3\u3092\u5b8c\u5168\u306b\u628a\u63e1\u3059\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>-c<\/strong><\/td>\n      <td>\u7d71\u8a08\u306e\u6982\u8981<\/td>\n      <td>\u901a\u8a71\u3054\u3068\u306e\u983b\u5ea6\u3068\u6240\u8981\u6642\u9593<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>-tt<\/strong> \/ <strong>-T<\/strong><\/td>\n      <td>\u3088\u308a\u8a73\u7d30\u306a\u6642\u523b<\/td>\n      <td>\u6642\u9593\u8ef8\u3068\u671f\u9593\u3092\u628a\u63e1\u3059\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>-o \u30d5\u30a1\u30a4\u30eb<\/strong><\/td>\n      <td>\u51fa\u529b\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/td>\n      <td>\u5f8c\u65e5\u306e\u5206\u6790\u3092\u53ef\u80fd\u306b\u3059\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>-ff<\/strong><\/td>\n      <td>\u30d7\u30ed\u30bb\u30b9\u30d5\u30a1\u30a4\u30eb\u3054\u3068\u306b\u66f8\u304d\u8fbc\u307f<\/td>\n      <td>\u89aa\u3068\u5b50\u3092\u5206\u3051\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>-s N<\/strong><\/td>\n      <td>\u5f15\u6570\u306e\u9577\u3055\u3092\u5897\u3084\u3059<\/td>\n      <td>\u5207\u308a\u53d6\u3089\u308c\u305f\u30d1\u30b9\u3092\u8868\u793a\u3059\u308b<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<h2>\u5b89\u5168\u6027\u3001\u6a29\u5229\u3001\u304a\u3088\u3073\u526f\u4f5c\u7528<\/h2>\n<p>\u79c1\u306f\u3044\u3064\u3082\u305d\u306e <strong>\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/strong> strace\u306f\u3059\u3079\u3066\u306e\u547c\u3073\u51fa\u3057\u3092\u30a4\u30f3\u30bf\u30fc\u30bb\u30d7\u30c8\u3057\u3066\u8a18\u9332\u3059\u308b\u305f\u3081\u3001\u6642\u9593\u7684\u306a <strong>\u52b9\u679c<\/strong> \u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30ea\u30bd\u30fc\u30b9\u304c\u9650\u3089\u308c\u305f\u672c\u756a\u74b0\u5883\u3067\u306f\u3001\u7684\u3092\u7d5e\u3063\u3066\u77ed\u6642\u9593\u3067\u30c8\u30ec\u30fc\u30b9\u3092\u884c\u3044\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u306f\u3001ptrace_scope \u3084 SELinux \u30dd\u30ea\u30b7\u30fc\u3068\u3044\u3063\u305f\u3001\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u9069\u7528\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308b\u305f\u3081\u3001\u4e8b\u524d\u306b\u78ba\u8a8d\u3092\u884c\u3044\u307e\u3059\u3002 \u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u6271\u3046\u30d7\u30ed\u30bb\u30b9\u3092\u5206\u6790\u3059\u308b\u5834\u5408\u306f\u3001\u51fa\u529b\u5185\u5bb9\u3092\u7de8\u96c6\u3059\u308b\u304b\u3001\u9694\u96e2\u3055\u308c\u305f\u74b0\u5883\u3067\u5206\u6790\u3092\u884c\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6a5f\u5bc6\u6027\u3092\u78ba\u4fdd\u3057\u3064\u3064\u3001\u8ca0\u8377\u3092\u9069\u5ea6\u306b\u6291\u3048\u3001\u304b\u3064\u8fc5\u901f\u306a\u7d50\u679c\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n<h2>\u65e5\u5e38\u751f\u6d3b\u3067\u306e\u5b9f\u8df5\u4f8b<\/h2>\n<p>Web\u30b5\u30fc\u30d3\u30b9\u304c\u8d77\u52d5\u3059\u308b\u3082\u306e\u306e\u3001500\u30a8\u30e9\u30fc\u3092\u8fd4\u3059\u5834\u5408\uff1a <strong>-e trace=file<\/strong> \u8db3\u308a\u306a\u3044\u3082\u306e\u3092\u3059\u3050\u306b\u898b\u3064\u3051\u3089\u308c\u308b <strong>\u30b3\u30f3\u30d5\u30a3\u30b0<\/strong>-File\uff1aopenat\u304cENOENT\u3092\u8fd4\u3059\u305f\u3081\u3002CLI\u30c4\u30fc\u30eb\u306f\u5373\u5ea7\u306b\u7d42\u4e86\u3059\u308b\uff1a\u30e9\u30a4\u30d6\u30e9\u30ea\u3067EACCES\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u306e\u3092\u78ba\u8a8d\u3057\u3001\u6a29\u9650\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u52d5\u4f5c\u304c\u9045\u3044\uff1a-c\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u591a\u6570\u306e\u5c0f\u3055\u306aread\u547c\u3073\u51fa\u3057\u304c\u78ba\u8a8d\u3055\u308c\u305f\u305f\u3081\u3001\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u3092\u5897\u3084\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u6d2a\u6c34\u3092\u8efd\u6e1b\u3059\u308b\u3002 \u30ef\u30fc\u30ab\u30fc\u304c\u30cf\u30f3\u30b0\u30a2\u30c3\u30d7\u3057\u3066\u3044\u308b\uff1afutex\u304c\u6c38\u7d9a\u7684\u306b\u4fdd\u6301\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30b3\u30fc\u30c9\u5185\u306e\u30ed\u30c3\u30af\u3092\u78ba\u8a8d\u3057\u3001\u30d6\u30ed\u30c3\u30af\u3092\u89e3\u9664\u3059\u308b\u3002DNS\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u78ba\u8a8d\u3055\u308c\u308b\uff1asendto\u3068recvfrom\u306e\u9593\u306b\u9593\u9694\u304c\u3042\u308b\u3053\u3068\u304b\u3089\u3001\u30a2\u30d7\u30ea\u5916\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u554f\u984c\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308b\u3002.<\/p>\n\n<h2>\u30c7\u30fc\u30bf\u306e\u5185\u5bb9\u3068\u8a18\u8ff0\u5b50\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u53ef\u8996\u5316\u3059\u308b<\/h2>\n<p>\u5358\u306a\u308b\u623b\u308a\u5024\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u306a\u5834\u5408\u306f\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u975e\u8868\u793a\u306b\u3057\u307e\u3059 <strong>\u30c7\u30fc\u30bf\u30d0\u30c3\u30d5\u30a1<\/strong> \u304a\u3088\u3073\u305d\u306e\u6587\u8108\u306b\u3064\u3044\u3066 <strong>\u30d5\u30a1\u30a4\u30eb\u8a18\u8ff0\u5b50<\/strong> \u3002\u3067 <strong>-s N<\/strong> \u5f15\u6570\u306e\u8868\u793a\u6587\u5b57\u6570\u3092\u5897\u3084\u3057\u3066\uff08\u4f8b\uff1a256\u6587\u5b57\u307e\u305f\u306f1024\u6587\u5b57\uff09\u3001\u5b8c\u5168\u306a\u30d1\u30b9\u3001JSON\u30d6\u30ed\u30c3\u30af\u3001\u307e\u305f\u306f\u30d8\u30c3\u30c0\u30fc\u3092\u78ba\u8a8d\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u975e\u8868\u793a\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u3064\u3044\u3066\u306f\u3001 <strong>-x<\/strong> \uff08\u975eASCII\u6587\u5b57\u309216\u9032\u6570\u3067\uff09\u307e\u305f\u306f <strong>-xx<\/strong> \uff08\u3059\u3079\u306616\u9032\u6570\u8868\u8a18\uff09\u3067\u3001\u3053\u308c\u306f\u7279\u306b\u30d0\u30a4\u30ca\u30ea\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u5f79\u7acb\u3061\u307e\u3059\u3002 <strong>-e read=all<\/strong> \u305d\u3057\u3066 <strong>-e write=all<\/strong> read()\/write() \u306e\u547c\u3073\u51fa\u3057\u306b\u3088\u308b\u5b9f\u969b\u306e\u6709\u52b9\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3055\u305b\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3084\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u59a5\u5f53\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u4e26\u884c\u3057\u3066\u3001\u79c1\u306f\u3088\u304f <strong>-y<\/strong>, \u3001\u3053\u308c\u306b\u3088\u308astrace\u304c\u30d5\u30a1\u30a4\u30eb\u8a18\u8ff0\u5b50\u306b\u5bfe\u5fdc\u3059\u308b\u30d1\u30b9\u3082\u51fa\u529b\u3059\u308b\u3088\u3046\u306b\u3059\u308b\uff08\u4f8b\uff1a3<\/var>)\u3001\u305d\u3057\u3066 <strong>-yy<\/strong> Sockets\u306b\u95a2\u3059\u308b\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u30cd\u30b9\u30c8\u306e\u6df1\u3055\u306f\u3001\u3059\u3050\u306b\u5927\u91cf\u306e\u51fa\u529b\u3092\u751f\u6210\u3057\u3001\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u542b\u3080\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u63a7\u3048\u3081\u306b\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u672c\u756a\u74b0\u5883\u3067\u306f <strong>\u6df1\u3044\u30cd\u30c3\u30af\u30e9\u30a4\u30f3<\/strong> \u305d\u3057\u3066\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u5b9a\u671f\u7684\u306b\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n<h2>\u3088\u308a\u8a73\u7d30\u306a\u30d5\u30a3\u30eb\u30bf\uff1a\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3001\u30d1\u30b9\u3001\u9664\u5916\u6761\u4ef6<\/h2>\n<p>\u96c6\u4e2d\u529b\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u3001\u3042\u3089\u304b\u3058\u3081\u7528\u610f\u3055\u308c\u305f\u30ab\u30c6\u30b4\u30ea\u306b\u52a0\u3048\u3066\u3001\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u3082\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u5fae\u7d30\u306a\u30d5\u30a3\u30eb\u30bf\u30fc<\/strong>. \u79c1\u306f\uff5e\u3067\u5236\u9650\u3059\u308b <strong>-e trace=openat,statx,access<\/strong> \u4eca\u307e\u3055\u306b\u8208\u5473\u304c\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u547c\u3073\u51fa\u3057\u3092\u6b63\u78ba\u306b\u6307\u5b9a\u3059\u308b\u304b\u3001\u3042\u308b\u3044\u306f\u5f15\u304d\u7d9a\u304d\u6b21\u306e\u3088\u3046\u306a\u30ab\u30c6\u30b4\u30ea\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u304b <strong>-e trace=signal<\/strong> \u6216\u3044\u306f <strong>-e trace=ipc<\/strong> \u30b7\u30b0\u30ca\u30eb\u3084\u30d7\u30ed\u30bb\u30b9\u9593\u901a\u4fe1\u306b\u6ce8\u76ee\u3057\u305f\u3044\u3068\u304d\u306f\u3001\u3053\u3053\u306b\u623b\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u5b9f\u7528\u7684\u306a\u70b9\u3068\u3057\u3066 <strong>-P PATH<\/strong>, 1\u3064\u307e\u305f\u306f\u8907\u6570\u306e <strong>\u5177\u4f53\u7684\u306a\u9053\u7b4b<\/strong> \u4f8b\u3048\u3070\u3001-P \/etc,\/var\/www \u3068\u3044\u3063\u305f\u3082\u306e\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u3082\u3057\u3001\u6b21\u306e\u3088\u3046\u306a\u9577\u671f\u9593\u306b\u308f\u305f\u3063\u3066\u7a3c\u50cd\u3057\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u304c <em>futex<\/em> \u6c17\u306b\u306a\u308b\u5834\u5408\u306f\u3001\u30d5\u30a3\u30eb\u30bf\u306e\u4ed5\u7d44\u307f\u3092\u9006\u306b\u3057\u3066\u3001\u95a2\u9023\u3059\u308b\u547c\u3073\u51fa\u3057\u3060\u3051\u3092\u660e\u793a\u7684\u306b\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u308c\u3092\u9664\u5916\u3057\u307e\u3059\u3002\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001 <strong>\u30e9\u30a6\u30b7\u30e3\u30fc\u30e0<\/strong> \u30a8\u30e9\u30fc\u306e\u767a\u751f\u7b87\u6240\u3092\u7279\u5b9a\u3057\u3064\u3064\u3001\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3002.<\/p>\n\n<h2>\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3001\u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u3001\u304a\u3088\u3073\u77ed\u6642\u9593\u306e\u5b9f\u884c\u3092\u78ba\u5b9f\u306b\u8a18\u9332\u3059\u308b<\/h2>\n<p>\u300c\u6642\u4ee3\u300d\u3053\u305d\u304c\u79c1\u306e\u7f85\u91dd\u76e4\u3060\u3002\u305d\u306e\u307b\u304b\u306b\u306f <strong>-tt<\/strong> \u6b63\u78ba\u306a\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u3064\u3051\u308b\u969b\u306b\u306f\u3001\u79c1\u306f\u3088\u304f <strong>-ttt<\/strong>, \u3001\u8907\u6570\u306e\u30db\u30b9\u30c8\u306b\u308f\u305f\u308b\u5b9f\u884c\u7d50\u679c\u3092\u6bd4\u8f03\u3057\u305f\u3044\u5834\u5408\u3001\u30a8\u30dd\u30c3\u30af\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u304c\u3042\u308b\u3068\u5206\u6790\u304c\u7c21\u5358\u306b\u306a\u308b\u304b\u3089\u3067\u3059\u3002. <strong>-r<\/strong> \u8d77\u52d5\u304b\u3089\u306e\u76f8\u5bfe\u7684\u306a\u8ddd\u96e2\u3092\u8868\u793a\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u3001 <strong>\u4f11\u61a9\u30b3\u30fc\u30ca\u30fc<\/strong> \u4e00\u76ee\u3067\u628a\u63e1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u307e\u306b\u30af\u30e9\u30c3\u30b7\u30e5\u3057\u305f\u3068\u304d\u306f\u3001\u3053\u308c\u304c\u5f79\u306b\u7acb\u3061\u307e\u3059 <strong>-i<\/strong> (\u547d\u4ee4\u30dd\u30a4\u30f3\u30bf) \u3068\u5408\u308f\u305b\u3066 <strong>-k<\/strong> \uff08\u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\uff09\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b3\u30b9\u30c8\u306e\u304b\u304b\u308b\u547c\u3073\u51fa\u3057\u3084\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u547c\u3073\u51fa\u3057\u304c\u3069\u306e\u30b9\u30bf\u30c3\u30af\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304b\u3089\u767a\u751f\u3057\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30c7\u30d0\u30c3\u30b0\u60c5\u5831\u304c\u5229\u7528\u53ef\u80fd\u306a\u5834\u5408\u306b\u7279\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u975e\u5e38\u306b <strong>\u77ed\u547d\u306a<\/strong> \u30d7\u30ed\u30b0\u30e9\u30e0\u3084cron\u30b8\u30e7\u30d6\u306f\u3001strace\u306e\u4e0b\u3067\u76f4\u63a5\u5b9f\u884c\u3059\u308b\u304b\u3001\u3042\u308b\u3044\u306f <strong>-ff -o<\/strong>, \u3001\u3053\u308c\u306b\u3088\u308a\u3001\u521d\u671f\u306eexecve\u3084\u521d\u671f\u5316\u51e6\u7406\u3092\u898b\u9003\u3055\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u3067\u3059\u3002\u8907\u6570\u306e\u5b9f\u884c\u7d50\u679c\u3092\u6bd4\u8f03\u3057\u305f\u3044\u5834\u5408\u306f\u3001-c\u7d71\u8a08\u60c5\u5831\u3092\u6b21\u306e\u3088\u3046\u306b\u30bd\u30fc\u30c8\u3057\u307e\u3059\u3002 <strong>-S time<\/strong>, \u3001\u7dcf\u6240\u8981\u6642\u9593\u306b\u304a\u3051\u308b\u6025\u6fc0\u306a\u5909\u52d5\u3092\u3088\u308a\u65e9\u304f\u691c\u51fa\u3059\u308b\u305f\u3081\u306b\u3002.<\/p>\n\n<h2>\u30b9\u30ec\u30c3\u30c9\u3001\u30d5\u30a9\u30fc\u30af\u3001\u8907\u96d1\u306a\u30b5\u30fc\u30d3\u30b9\u30c4\u30ea\u30fc\u3092\u78ba\u5b9f\u306b\u628a\u63e1\u3059\u308b<\/h2>\n<p>\u3059\u3050\u306b <strong>\u8907\u6570\u306e\u30d7\u30ed\u30bb\u30b9\u307e\u305f\u306f\u30b9\u30ec\u30c3\u30c9<\/strong> \u304c\u95a2\u4e0e\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u79c1\u306f <strong>-f<\/strong> \u3092\u6307\u5b9a\u3057\u3066\u5b50\u30d7\u30ed\u30bb\u30b9\u3092\u5b9f\u884c\u3055\u305b\u3001\u3055\u3089\u306b <strong>-ff<\/strong> PID\u3054\u3068\u306b\u5225\u3005\u306e\u51fa\u529b\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5f8c\u3067\u5404\u30ef\u30fc\u30ab\u30fc\u306b\u3064\u3044\u3066\u500b\u5225\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u5206\u6790\u3067\u304d\u3001\u6df7\u540c\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u77ed\u547d\u306a\u5b50\u30d7\u30ed\u30bb\u30b9\u304c\u591a\u6570\u5b58\u5728\u3059\u308b\u74b0\u5883\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002 <strong>-e trace=process<\/strong> (execve\/clone\/fork\/exit) \u304a\u3088\u3073 <strong>\u6642\u523b<\/strong>, \u3001\u6642\u9593\u306e\u7d4c\u904e\u306b\u4f34\u3046\u30d7\u30ed\u30bb\u30b9\u306e\u751f\u6210\u3068\u7d42\u4e86\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3002\u300c\u89aa\u304c\u5b50\u3092\u5f85\u6a5f\u3057\u3066\u3044\u308b\u300d\u3068\u3044\u3063\u305f\u7e70\u308a\u8fd4\u3057\u73fe\u308c\u308b\u30d1\u30bf\u30fc\u30f3\u306f\u3001 <em>wait4<\/em> \u3055\u3089\u306b\u3001\u5b50\u3069\u3082\u306b\u6d3b\u52d5\u304c\u898b\u3089\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u30d6\u30ed\u30c3\u30af\u3084\u30ea\u30bd\u30fc\u30b9\u4e0d\u8db3\u3092\u793a\u5506\u3057\u3066\u3044\u307e\u3059\u3002\u79fb\u884c\u4f5c\u696d\u3092\u652f\u63f4\u3059\u308b\u969b\u3001\u79c1\u306f\u65e7\u30db\u30b9\u30c8\u3068\u65b0\u30db\u30b9\u30c8\u306e\u30b5\u30fc\u30d3\u30b9\u30c4\u30ea\u30fc\u3092\u6bd4\u8f03\u3057\u3001\u305d\u308c\u306b\u3088\u3063\u3066 <strong>\u30ef\u30fc\u30ab\u30fc\u306e\u5206\u6563<\/strong> \u6216\u3044\u306f <strong>\u30d7\u30ec\u30d5\u30a9\u30fc\u30ad\u30f3\u30b0<\/strong> \u307e\u3063\u305f\u304f\u540c\u3058\u3088\u3046\u306b\u9032\u884c\u3059\u308b\u304b\u3001\u3042\u308b\u3044\u306f\u6c17\u3065\u304b\u308c\u306a\u3044\u3046\u3061\u306b\u9038\u8131\u3059\u308b\u304b\u3002.<\/p>\n\n<h2>\u65e5\u5e38\u306b\u304a\u3051\u308b\u30b3\u30f3\u30c6\u30ca\u3001\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u3001\u304a\u3088\u3073\u6a29\u9650<\/h2>\n<p>\u30b3\u30f3\u30c6\u30ca\u3084 <strong>\u540d\u524d\u7a7a\u9593<\/strong>-\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001\u4e8b\u524d\u306b\u6a29\u9650\u3092\u8a08\u753b\u3057\u3066\u3044\u307e\u3059\u3002\u5916\u90e8\u30d7\u30ed\u30bb\u30b9\u306b\u8ffd\u8de1\u3092\u884c\u3046\u306b\u306f\u3001\u9069\u5207\u306a\u6a29\u9650\u3084\u6a5f\u80fd\uff08CAP_SYS_PTRACE\u306a\u3069\uff09\u304c\u5fc5\u8981\u3067\u3042\u308a\u3001\u307e\u305f\u6b21\u306e\u3088\u3046\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e1\u30ab\u30cb\u30ba\u30e0\u3082\u5fc5\u8981\u3067\u3059\u3002 <em>ptrace_scope<\/em> \u3042\u308b\u3044\u306f\u3001\u30dd\u30ea\u30b7\u30fc\u306b\u3088\u3063\u3066\u30a2\u30af\u30bb\u30b9\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u30c8\u30ec\u30fc\u30b5\u30fc\u304c <strong>\u3055\u307e\u3056\u307e\u306a\u540d\u524d\u7a7a\u9593<\/strong>, \u540c\u3058\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u306b\u8ffd\u52a0\u3059\u308b\u304b\u3001\u610f\u56f3\u7684\u306b\u30bf\u30fc\u30b2\u30c3\u30c8\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306b\u5207\u308a\u66ff\u3048\u307e\u3059\u3002\u307e\u305f\u3001\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u3055\u308c\u305f\u74b0\u5883\u3067\u306f\u3001PID\u306e\u6709\u52b9\u671f\u9593\u304c\u77ed\u3044\u3053\u3068\u3082\u8003\u616e\u3057\u3001 <strong>\u30c8\u30ec\u30fc\u30b9\u3092\u56de\u8ee2\u3055\u305b\u308b<\/strong> \u305d\u3046\u3057\u306a\u3051\u308c\u3070\u3001\u95a2\u9023\u3059\u308b\u671f\u9593\u306e\u30c7\u30fc\u30bf\u304c\u5931\u308f\u308c\u3066\u3057\u307e\u3046\u304b\u3089\u3067\u3059\u3002\u6a5f\u5bc6\u30c7\u30fc\u30bf\u304c\u901a\u4fe1\u56de\u7dda\u3092\u901a\u904e\u3059\u308b\u969b\u306f\u3001\u9001\u4fe1\u3059\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\uff08\u4f8b\uff1a\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u5168\u6587\u3092\u9001\u4fe1\u3057\u306a\u3044\u306a\u3069\uff09\u3001\u5b9f\u884c\u6642\u9593\u3092\u53b3\u5bc6\u306b <strong>\u554f\u984c\u306e\u767a\u751f\u6bb5\u968e<\/strong>, \u3001\u526f\u4f5c\u7528\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u306b\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/08\/systemcall-analyse-8364.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30d3\u30eb\u30c9\u304a\u3088\u3073\u30ea\u30ea\u30fc\u30b9\u30fb\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306b\u304a\u3051\u308bStrace<\/h2>\n<p>\u79c1\u3082strace\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059 <strong>\u65e9\u3044<\/strong> CI\/CD\u306b\u304a\u3044\u3066\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u5316\u3001\u30d1\u30b9\u3001\u304a\u3088\u3073\u6a29\u9650\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u3002\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u306b\u3088\u308b\u30c9\u30e9\u30a4\u30e9\u30f3\uff1a <strong>-e trace=file<\/strong> \u30d3\u30eb\u30c9\u30b3\u30f3\u30c6\u30ca\u304b\u3089\u751f\u6210\u3055\u308c\u305f\u30d0\u30a4\u30ca\u30ea\u304c\u3001\u5f8c\u3067\u30bf\u30fc\u30b2\u30c3\u30c8\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u540c\u3058\u30e9\u30a4\u30d6\u30e9\u30ea\u3084\u8a2d\u5b9a\u30d1\u30b9\u3092\u898b\u3064\u3051\u3089\u308c\u308b\u304b\u3069\u3046\u304b\u3092\u7d20\u65e9\u304f\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u56de\u5e30\u30c6\u30b9\u30c8\u3092\u884c\u3046\u969b\u306b\u306f\u3001\u79c1\u306f <strong>\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3<\/strong>: -c \u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u4e00\u8cab\u3057\u305f\u30aa\u30d7\u30b7\u30e7\u30f3\uff08\u4f8b\uff1a-ttt\u3001-S time\uff09\u3092\u6307\u5b9a\u3057\u3066\u77ed\u6642\u9593\u5b9f\u884c\u3057\u305f\u7d50\u679c\u3092\u3001\u57fa\u6e96\u5024\u3068\u3057\u3066\u7528\u3044\u307e\u3059\u3002\u5f8c\u306e\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u51e6\u7406\u3067\u306f\u3001\u7d71\u8a08\u5024\u3092\u6bd4\u8f03\u3057\u3066\u3001 <em>statx<\/em>, <em>read<\/em> \u6216\u3044\u306f <em>\u7e4b\u3050<\/em> \u3059\u3050\u306b\u7279\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u3092\u30b9\u30ea\u30e0\u306b\u4fdd\u3064\u305f\u3081\u3001\u30c8\u30ec\u30fc\u30b9\u3092\u7d5e\u308a\u8fbc\u307f\u3001\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u30d3\u30eb\u30c9ID\u3084\u30b3\u30df\u30c3\u30c8ID\u3092\u542b\u3081\u3066\u78ba\u5b9a\u7684\u306a\u540d\u524d\u3092\u4ed8\u3051\u3001\u30c6\u30ad\u30b9\u30c8\u5f62\u5f0f\u306e\u5dee\u5206\u3092\u53d6\u5f97\u3059\u308b\u969b\u306f\u5fc5\u8981\u306b\u5fdc\u3058\u3066PID\u3084\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u6b63\u898f\u5316\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>\u3088\u304f\u3042\u308b\u843d\u3068\u3057\u7a74\u3068\u89e3\u91c8\u306e\u30d1\u30bf\u30fc\u30f3<\/h2>\n<p>\u79c1\u306f\u65e5\u5e38\u7684\u306b\u3044\u304f\u3064\u304b\u306e\u7279\u5fb4\u306b\u6ce8\u610f\u3092\u6255\u3063\u3066\u3044\u307e\u3059\u3002\u547c\u3073\u51fa\u3057\u304c\u4e2d\u65ad\u3055\u308c\u305f\u5834\u5408\u3001\u3057\u3070\u3057\u3070 <strong>EINTR<\/strong> \uff08\u4fe1\u53f7\u306b\u3088\u3063\u3066\u4e2d\u65ad\uff09\u2015\u2015\u5358\u767a\u306e\u767a\u751f\u306f\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u9023\u7d9a\u3057\u3066\u767a\u751f\u3059\u308b\u5834\u5408\u306f\u7591\u308f\u3057\u3044\u3067\u3059\u3002\u79c1\u304c\u78ba\u8a8d\u3057\u305f\u9650\u308a\u3067\u306f <strong>ERESTARTSYS<\/strong>-\u306e\u3088\u3046\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u3001\u3053\u308c\u306f\u30ab\u30fc\u30cd\u30eb\u306b\u3088\u3063\u3066\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u518d\u8d77\u52d5\u3055\u308c\u305f\u3053\u3068\u3092\u793a\u5506\u3057\u3066\u3044\u307e\u3059\u3002\u30b7\u30b0\u30ca\u30eb\u306e\u767a\u751f\u6e90\u3068\u30de\u30b9\u30af\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u7570\u306a\u308b\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u306e\u51fa\u529b\u304c <strong>\u6df7\u3056\u308a\u5408\u3063\u305f<\/strong> \u304c\u8868\u793a\u3055\u308c\u305f\u5834\u5408\u306f\u3001-ff \u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u53b3\u5bc6\u306b\u5206\u5272\u3057\u3001\u7d50\u5408\u306b\u306f\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u8b58\u5225\u53ef\u80fd\u306a <strong>errno<\/strong>- \u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u304c\u3001\u6642\u9593\u7684\u306a\u9593\u9694\u304c\u9577\u3044\u5834\u5408\u306f\u3001I\/O \u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5f85\u3061\u6642\u9593\u304c\u539f\u56e0\u3067\u306f\u306a\u3044\u304b\u3068\u7591\u3046\u3002\u305d\u306e\u5834\u5408\u306f\u3001read\/write\/connect \u306b\u6ce8\u76ee\u3057\u3001\u8a08\u6e2c\u3092\u8ffd\u52a0\u3059\u308b\u3002\u30d1\u30b9\u304c\u6b8b\u3063\u3066\u3044\u308b\u5834\u5408\u306f <strong>\u5207\u308a\u53d6\u3089\u308c\u305f<\/strong>, -s \u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u5024\u3092\u3055\u3089\u306b\u5897\u3084\u3059\u304b\u3001\u307e\u305f\u306f\u300cverbose\u300d\u8868\u793a\u3067\u7701\u7565\u5f62\u3092\u7121\u52b9\u306b\u3057\u307e\u3059\u300232\u30d3\u30c3\u30c8\u7248\u306864\u30d3\u30c3\u30c8\u7248\u306e\u30d0\u30a4\u30ca\u30ea\u9593\u306b\u5dee\u7570\u304c\u751f\u3058\u305f\u5834\u5408\uff08\u4f8b\uff1a. <em>open<\/em> \u5bfe <em>openat<\/em>)\u3001\u305d\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u6ce8\u610f\u3092\u6255\u3044\u3001\u8ff7\u3063\u305f\u5834\u5408\u306f\u4e21\u65b9\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u6bd4\u8f03\u5b9f\u884c\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>\u76ee\u7684\u3092\u7d5e\u3063\u305f\u60c5\u5831\u306e\u9078\u5b9a\uff1a\u60c5\u5831\u306e\u6d2a\u6c34\u306e\u4e2d\u3067\u8aad\u307f\u3084\u3059\u3055\u3092\u512a\u5148\u3059\u308b<\/h2>\n<p>\u7279\u306b\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u304c\u304b\u304b\u3063\u3066\u3044\u308b\u6642\u3053\u305d\u3001\u79c1\u306f\u51fa\u529b\u3092\u9069\u5207\u306b\u8abf\u6574\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u660e\u78ba\u306b\u5b9a\u7fa9\u3057\u307e\u3059\u3002 <strong>\u691c\u8a0e\u8ab2\u984c<\/strong> \uff08\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u3089\u306a\u3044\uff1f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u5fdc\u7b54\u3057\u306a\u3044\uff1f\u30d7\u30ed\u30bb\u30b9\u30c4\u30ea\u30fc\u304c\u7834\u640d\u3057\u3066\u3044\u308b\uff1f\uff09\u3001\u305d\u306e\u5834\u5408\u306f\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u30d5\u30a3\u30eb\u30bf\u3092\u8a2d\u5b9a\u3057\u3001 <strong>\u8a3c\u62e0<\/strong>. \u30c1\u30fc\u30e0\u5f15\u304d\u7d99\u304e\u306e\u969b\u306f\u3001\u7c21\u6f54\u306a <strong>\u4ed8\u8a18<\/strong> \u30c1\u30b1\u30c3\u30c8\u306e\u8aac\u660e\u6b04\u306b\u306f\u3001\u95a2\u9023\u3059\u308b\u30b3\u30fc\u30eb\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3001errno\u3001\u30bf\u30a4\u30e0\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3001\u304a\u3088\u3073\u63a8\u5b9a\u3055\u308c\u308b\u539f\u56e0\u3092\u8a18\u8f09\u3057\u307e\u3059\u3002\u9577\u6642\u9593\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4e00\u5ea6\u306b\u7a4d\u307f\u91cd\u306d\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u305d\u308c\u3089\u3092 <strong>\u4e00\u6b69\u4e00\u6b69<\/strong> \u624b\u9806\uff1a\u307e\u305a -e trace=\u2026\u3001\u6b21\u306b -tt\/-T\u3001\u7d9a\u3044\u3066 -y\/-s\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066 -x\/-xx\u3002\u3053\u306e\u6bb5\u968e\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306b\u6eba\u308c\u308b\u3053\u3068\u3092\u9632\u304e\u3001\u5b9f\u969b\u306e\u7d50\u8ad6\u306b\u81f3\u308b\u307e\u3067\u306e\u6642\u9593\u3092\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u61f8\u5ff5\u3055\u308c\u308b\u5834\u5408\u306f\u3001\u30d5\u30eb\u30c8\u30ec\u30fc\u30b9\u3092\u5b9f\u884c\u3059\u308b\u524d\u306b\u3001-c\uff08\u304a\u3088\u3073 -S time\uff09\u3092\u4f7f\u7528\u3057\u3001\u547c\u3073\u51fa\u3057\u306e\u7bc4\u56f2\u3092\u7d5e\u308a\u8fbc\u3080\u3053\u3068\u3092\u597d\u307f\u307e\u3059\u3002.<\/p>\n\n<h2>\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u6982\u8981<\/h2>\n<p>\u3068\u4e00\u7dd2\u306b <strong>\u30b9\u30c8\u30ec\u30fc\u30b9<\/strong> \u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3092\u3088\u308a\u65e9\u304f\u898b\u3064\u3051\u3089\u308c\u308b <strong>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb<\/strong> \u5358\u306a\u308b\u30ed\u30b0\u30c6\u30ad\u30b9\u30c8\u3092\u898b\u308b\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30d5\u30a3\u30eb\u30bf\u3001\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3001\u305d\u3057\u3066-c\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3088\u308b\u7d71\u8a08\u60c5\u5831\u306b\u3088\u308a\u3001\u30d1\u30b9\u3001\u6a29\u9650\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u5f85\u3061\u6642\u9593\u306b\u95a2\u3059\u308b\u660e\u78ba\u306a\u624b\u304c\u304b\u308a\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u3092strace\u306e\u4e0b\u3067\u76f4\u63a5\u8d77\u52d5\u3059\u308b\u304b\u3001\u5b9f\u884c\u4e2d\u306ePID\u306b\u4e00\u6642\u7684\u306b\u63a5\u7d9a\u3057\u3001\u51fa\u529b\u3092\u6ce8\u8996\u3057\u3066\u3001\u30a8\u30e9\u30fc\u304c\u78ba\u8a8d\u3067\u304d\u6b21\u7b2c\u505c\u6b62\u3055\u305b\u307e\u3059\u3002 \u5f8c\u3067\u306e\u5206\u6790\u306e\u305f\u3081\u306b\u3001-o \u304a\u3088\u3073 -ff \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u66f8\u304d\u51fa\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066 -s \u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u5024\u3092\u4e0a\u3052\u3001\u30db\u30b9\u30c8\u9593\u306e\u5b9f\u884c\u7d50\u679c\u3092\u6bd4\u8f03\u3057\u3066\u5dee\u7570\u3092\u7a81\u304d\u6b62\u3081\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001Linux \u30b5\u30fc\u30d0\u30fc\u306b\u304a\u3051\u308b\u65e5\u5e38\u7684\u306a\u554f\u984c\u3092\u3001\u6570\u6642\u9593\u3067\u306f\u306a\u304f\u6570\u5206\u3067\u89e3\u6c7a\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>strace linux \u306f\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u3092\u8868\u793a\u3057\u3001Linux \u306b\u304a\u3051\u308b\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3092\u8fc5\u901f\u306b\u7279\u5b9a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/p>","protected":false},"author":1,"featured_media":20579,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[780],"tags":[],"class_list":["post-20586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administration-anleitungen"],"acf":[],"_wp_attached_file":null,"_wp_attachment_metadata":null,"litespeed-optimize-size":null,"litespeed-optimize-set":null,"_elementor_source_image_hash":null,"_wp_attachment_image_alt":null,"stockpack_author_name":null,"stockpack_author_url":null,"stockpack_provider":null,"stockpack_image_url":null,"stockpack_license":null,"stockpack_license_url":null,"stockpack_modification":null,"color":null,"original_id":null,"original_url":null,"original_link":null,"unsplash_location":null,"unsplash_sponsor":null,"unsplash_exif":null,"unsplash_attachment_metadata":null,"_elementor_is_screenshot":null,"surfer_file_name":null,"surfer_file_original_url":null,"envato_tk_source_kit":null,"envato_tk_source_index":null,"envato_tk_manifest":null,"envato_tk_folder_name":null,"envato_tk_builder":null,"envato_elements_download_event":null,"_menu_item_type":null,"_menu_item_menu_item_parent":null,"_menu_item_object_id":null,"_menu_item_object":null,"_menu_item_target":null,"_menu_item_classes":null,"_menu_item_xfn":null,"_menu_item_url":null,"_trp_menu_languages":null,"rank_math_primary_category":null,"rank_math_title":null,"inline_featured_image":null,"_yoast_wpseo_primary_category":null,"rank_math_schema_blogposting":null,"rank_math_schema_videoobject":null,"_oembed_049c719bc4a9f89deaead66a7da9fddc":null,"_oembed_time_049c719bc4a9f89deaead66a7da9fddc":null,"_yoast_wpseo_focuskw":null,"_yoast_wpseo_linkdex":null,"_oembed_27e3473bf8bec795fbeb3a9d38489348":null,"_oembed_c3b0f6959478faf92a1f343d8f96b19e":null,"_trp_translated_slug_en_us":null,"_wp_desired_post_slug":null,"_yoast_wpseo_title":null,"tldname":null,"tldpreis":null,"tldrubrik":null,"tldpolicylink":null,"tldsize":null,"tldregistrierungsdauer":null,"tldtransfer":null,"tldwhoisprivacy":null,"tldregistrarchange":null,"tldregistrantchange":null,"tldwhoisupdate":null,"tldnameserverupdate":null,"tlddeletesofort":null,"tlddeleteexpire":null,"tldumlaute":null,"tldrestore":null,"tldsubcategory":null,"tldbildname":null,"tldbildurl":null,"tldclean":null,"tldcategory":null,"tldpolicy":null,"tldbesonderheiten":null,"tld_bedeutung":null,"_oembed_d167040d816d8f94c072940c8009f5f8":null,"_oembed_b0a0fa59ef14f8870da2c63f2027d064":null,"_oembed_4792fa4dfb2a8f09ab950a73b7f313ba":null,"_oembed_33ceb1fe54a8ab775d9410abf699878d":null,"_oembed_fd7014d14d919b45ec004937c0db9335":null,"_oembed_21a029d076783ec3e8042698c351bd7e":null,"_oembed_be5ea8a0c7b18e658f08cc571a909452":null,"_oembed_a9ca7a298b19f9b48ec5914e010294d2":null,"_oembed_f8db6b27d08a2bb1f920e7647808899a":null,"_oembed_168ebde5096e77d8a89326519af9e022":null,"_oembed_cdb76f1b345b42743edfe25481b6f98f":null,"_oembed_87b0613611ae54e86e8864265404b0a1":null,"_oembed_27aa0e5cf3f1bb4bc416a4641a5ac273":null,"_oembed_time_27aa0e5cf3f1bb4bc416a4641a5ac273":null,"_tldname":null,"_tldclean":null,"_tldpreis":null,"_tldcategory":null,"_tldsubcategory":null,"_tldpolicy":null,"_tldpolicylink":null,"_tldsize":null,"_tldregistrierungsdauer":null,"_tldtransfer":null,"_tldwhoisprivacy":null,"_tldregistrarchange":null,"_tldregistrantchange":null,"_tldwhoisupdate":null,"_tldnameserverupdate":null,"_tlddeletesofort":null,"_tlddeleteexpire":null,"_tldumlaute":null,"_tldrestore":null,"_tldbildname":null,"_tldbildurl":null,"_tld_bedeutung":null,"_tldbesonderheiten":null,"_oembed_ad96e4112edb9f8ffa35731d4098bc6b":null,"_oembed_8357e2b8a2575c74ed5978f262a10126":null,"_oembed_3d5fea5103dd0d22ec5d6a33eff7f863":null,"_eael_widget_elements":null,"_oembed_0d8a206f09633e3d62b95a15a4dd0487":null,"_oembed_time_0d8a206f09633e3d62b95a15a4dd0487":null,"_aioseo_description":null,"_eb_attr":null,"_eb_data_table":null,"_oembed_819a879e7da16dd629cfd15a97334c8a":null,"_oembed_time_819a879e7da16dd629cfd15a97334c8a":null,"_acf_changed":null,"_wpcode_auto_insert":null,"_edit_last":null,"_edit_lock":null,"_oembed_e7b913c6c84084ed9702cb4feb012ddd":null,"_oembed_bfde9e10f59a17b85fc8917fa7edf782":null,"_oembed_time_bfde9e10f59a17b85fc8917fa7edf782":null,"_oembed_03514b67990db061d7c4672de26dc514":null,"_oembed_time_03514b67990db061d7c4672de26dc514":null,"rank_math_news_sitemap_robots":null,"rank_math_robots":null,"_eael_post_view_count":"117","_trp_automatically_translated_slug_ru_ru":null,"_trp_automatically_translated_slug_et":null,"_trp_automatically_translated_slug_lv":null,"_trp_automatically_translated_slug_fr_fr":null,"_trp_automatically_translated_slug_en_us":null,"_wp_old_slug":null,"_trp_automatically_translated_slug_da_dk":null,"_trp_automatically_translated_slug_pl_pl":null,"_trp_automatically_translated_slug_es_es":null,"_trp_automatically_translated_slug_hu_hu":null,"_trp_automatically_translated_slug_fi":null,"_trp_automatically_translated_slug_ja":null,"_trp_automatically_translated_slug_lt_lt":null,"_elementor_edit_mode":null,"_elementor_template_type":null,"_elementor_version":null,"_elementor_pro_version":null,"_wp_page_template":null,"_elementor_page_settings":null,"_elementor_data":null,"_elementor_css":null,"_elementor_conditions":null,"_happyaddons_elements_cache":null,"_oembed_75446120c39305f0da0ccd147f6de9cb":null,"_oembed_time_75446120c39305f0da0ccd147f6de9cb":null,"_oembed_3efb2c3e76a18143e7207993a2a6939a":null,"_oembed_time_3efb2c3e76a18143e7207993a2a6939a":null,"_oembed_59808117857ddf57e478a31d79f76e4d":null,"_oembed_time_59808117857ddf57e478a31d79f76e4d":null,"_oembed_965c5b49aa8d22ce37dfb3bde0268600":null,"_oembed_time_965c5b49aa8d22ce37dfb3bde0268600":null,"_oembed_81002f7ee3604f645db4ebcfd1912acf":null,"_oembed_time_81002f7ee3604f645db4ebcfd1912acf":null,"_elementor_screenshot":null,"_oembed_7ea3429961cf98fa85da9747683af827":null,"_oembed_time_7ea3429961cf98fa85da9747683af827":null,"_elementor_controls_usage":null,"_elementor_page_assets":[],"_elementor_screenshot_failed":null,"theplus_transient_widgets":null,"_eael_custom_js":null,"_wp_old_date":null,"_trp_automatically_translated_slug_it_it":null,"_trp_automatically_translated_slug_pt_pt":null,"_trp_automatically_translated_slug_zh_cn":null,"_trp_automatically_translated_slug_nl_nl":null,"_trp_automatically_translated_slug_pt_br":null,"_trp_automatically_translated_slug_sv_se":null,"rank_math_analytic_object_id":null,"rank_math_internal_links_processed":"1","_trp_automatically_translated_slug_ro_ro":null,"_trp_automatically_translated_slug_sk_sk":null,"_trp_automatically_translated_slug_bg_bg":null,"_trp_automatically_translated_slug_sl_si":null,"litespeed_vpi_list":null,"litespeed_vpi_list_mobile":null,"rank_math_seo_score":null,"rank_math_contentai_score":null,"ilj_limitincominglinks":null,"ilj_maxincominglinks":null,"ilj_limitoutgoinglinks":null,"ilj_maxoutgoinglinks":null,"ilj_limitlinksperparagraph":null,"ilj_linksperparagraph":null,"ilj_blacklistdefinition":null,"ilj_linkdefinition":null,"_eb_reusable_block_ids":null,"rank_math_focus_keyword":"strace linux","rank_math_og_content_image":null,"_yoast_wpseo_metadesc":null,"_yoast_wpseo_content_score":null,"_yoast_wpseo_focuskeywords":null,"_yoast_wpseo_keywordsynonyms":null,"_yoast_wpseo_estimated-reading-time-minutes":null,"rank_math_description":null,"surfer_last_post_update":null,"surfer_last_post_update_direction":null,"surfer_keywords":null,"surfer_location":null,"surfer_draft_id":null,"surfer_permalink_hash":null,"surfer_scrape_ready":null,"_thumbnail_id":"20579","footnotes":null,"_links":{"self":[{"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/posts\/20586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/comments?post=20586"}],"version-history":[{"count":0,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/posts\/20586\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/media\/20579"}],"wp:attachment":[{"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/media?parent=20586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/categories?post=20586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/webhosting.de\/ja\/wp-json\/wp\/v2\/tags?post=20586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}