Learn how to professionally analyze and optimize Linux performance using bcc tools and eBPF. This guide provides practical performance engineering tips with a focus on bcc tools.
Discover how to use eBPF performance analysis and Linux tracing to optimize your server monitoring. Focus: eBPF performance and best practices for admins.
Discover how Linux capabilities implement the principle of least privilege for server services and take server security to a new level through privilege separation.
The CopyFail Vulnerability Explained: Risks to Hosting Systems and Linux Servers, and Quick Measures to Prevent Privilege Escalation.
GhostLock CVE-2026-43499 is a critical use-after-free vulnerability in the Linux kernel. In this analysis of GhostLock CVE, we outline the exploit chain for root privilege escalation and provide specific security recommendations for administrators.
KernelCare Enterprise enables live patching for Linux servers without a reboot. Less downtime, greater security, and rebootless updates during operation.
NUMA memory policies improve the performance of large database servers through local memory allocation, CPU affinity, and appropriate server hardware.
perf top Linux displays live CPU hotspots in the kernel. This enables fast CPU profiling and a precise analysis of bottlenecks.
sar and sysstat enable effective long-term monitoring, historical analysis, and performance analysis on Linux servers.
pidstat Linux displays detailed information on CPU, memory, and I/O usage for individual processes. Ideal for quick error analysis and process monitoring.
iotop, when running on a Linux server, quickly shows which process is causing the disk load. Ideal for analyzing I/O bottlenecks on servers.
lsof linux accurately displays open files, processes, and ports on Linux—ideal for quick analyses in server administration.
strace on Linux displays system calls and helps you find sources of errors on Linux more quickly.
CFS Scheduler Explained: Fair Scheduling in the Linux Kernel for Hosting Servers, Performance, and Optimal CPU Allocation.
HugeTLB vs. THP Explained: Differences, Advantages, and Use in Server Operations. With a focus on performance, latency, and hugepages in Linux.
Understanding the OOM Score in Hosting: How oom_score, oom_score_adj, and the Linux OOM killer work when server memory is low.
Writeback Cache in the Linux Kernel: Dirty Pages, Page Cache, and Writeback Explained in Simple Terms.
The Linux page cache uses RAM as a cache, thereby improving server performance for web hosting, WordPress, and file access.
MySQL Performance Schema for better monitoring, faster analysis, and targeted tuning in MySQL.
MariaDB Aria Storage Engine in Hosting: Benefits, Use Cases, and Performance for Stable Databases.
MariaDB Thread Pool: How this technology improves performance on heavily loaded hosting servers and supports efficient database tuning.
Redis Cluster sharding improves load balancing, scalability, and availability for large hosting platforms. Here’s a concise explanation.
Redis pipeline requests reduce latency, increase throughput, and improve the cache performance of web applications.
Redis eviction policies determine which keys are removed when memory is full. Find out which strategy works best for hosting servers, WordPress, and cache setups.
acceleratewp improves WordPress optimization directly at the server level through caching, analysis, and automatic recommendations.
Max Cache vs. LiteSpeed Cache: A Comparison of Server-Level Differences, Hosting Factors, and Impact on WordPress Performance.
CloudLinux MAx Cache speeds up WordPress through server-side caching without PHP. This article discusses its benefits, practical use, and how it fits into the bigger picture.
Redis Session Storage for PHP applications improves performance, scalability, and stability in modern web projects.
Discover the most common configuration errors with the Redis Object Cache in WordPress and how to fix them to achieve maximum performance with your Redis cache.
Best Web Hosting for Headless WordPress with API-First Architecture: Guides, Benefits and Recommendations for decoupled CMS.