The article explains how the Linux lsof utility can quickly identify port conflicts, lingering deleted files, and file‑handle leaks, offering practical commands, real‑world case studies, advanced options, performance tips, and integration techniques for effective system troubleshooting.
Understanding Linux load average and CPU utilization, this guide explains process states, how load is calculated, the difference between load and CPU usage, common bottlenecks, and step‑by‑step troubleshooting techniques using tools like top, vmstat, pidstat, iostat, and perf.
This guide introduces four essential Linux monitoring utilities—iotop, htop, IPTraf, and Monit—explaining their key features, how they differ from similar commands, and why they are valuable for quickly diagnosing I/O, CPU, memory, network, and service issues on servers.
This guide explains what sosreport does on RHEL/CentOS, how to install the sos package, generate a system diagnostic report, locate the compressed output, and use various command‑line options to include or exclude specific modules.
