Ravi Saive | Tecmint: Linux Howtos, Tutorials & Guides

6 Open Source Tools to Monitor MySQL Performance in Linux

MySQL ships with decent built-in diagnostics, but when your database is slowing down under load, you need command-line tools that

df says your disk is 80% full, but du says you’re barely using half, so one of them is lying,

You’ve been copying files with cp for years, and if you’re moving a 50GB backup or syncing a directory tree

You need a 1GB test file to benchmark your disk, fill a partition to a specific threshold, or simulate a

Sysstat is a collection of performance monitoring utilities for Linux that includes mpstat, pidstat, iostat, and sar, and together they

You’re running df -h every 30 seconds by hand to watch a disk fill up, typing the same command over

You’ve been running a long rsync job or a Python script on a remote server only to watch it die

Every Linux user eventually runs a command they’d rather not preserve – a curl with a hardcoded password, an export

Ctrl+R and fc let you find, recall, and edit any command from your bash history in seconds, and here’s how

WireGuard is a modern VPN protocol built directly into the Linux kernel since version 5.6, and this guide walks through

You’ve been retyping the same long commands for years, but sudo !!, !$, ^old^new, and a handful of Bash history

hyperfine is a command-line benchmarking tool that runs your commands repeatedly, collects timing data across multiple runs, and gives you