Linux /proc File System Overview
Understanding the /proc Virtual File System
The /proc directory serves as a virtual file system in Linux that provides access to kernel and process information through file-like interfaces. This system acts as a window into the kernel's data structures, allowing users and applications to retrieve system information without making direct system ...
Posted on Mon, 20 Jul 2026 17:02:57 +0000 by Loafin
Practical Bash Scripts for Linux System Administration and Automation
CPU Utilization Threshold Alert
Monitor processor load and trigger a notification when usage exceeds a defined limit. This implementation calculates active CPU time by subtracting the idle percentage reported by top.
#!/usr/bin/env bash
ALERT_LIMIT=75
CURRENT_LOAD=$(top -bn1 | awk '/^%Cpu/ {print 100 - $8}')
if awk "BEGIN {exit !($CURR ...
Posted on Sun, 10 May 2026 20:45:50 +0000 by Courbois