Linux System Administration
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Shell Script to Monitor Disk Usage
Introduction — monitor disk usage proactively Running out of disk space causes downtime and service failures. This guide shows how to build a lightweight disk…
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Top 45 MySQL Interview Questions You Must Know In 2025 [Basic to Advanced]
Whether you’re interviewing for a data analyst, data scientist, or MySQL DBA role, knowing the core MySQL concepts is essential. This guide bundles practical MySQL…
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User status and activity monitoring in Linux with GNU acct
Introduction If you need to monitor linux user activity and profile how people use a server, the GNU **acct** (also packaged as **psacct** on some…
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How to Clear RAM Memory Cache, Buffer and Swap Space on Linux
This guide shows how to safely clear RAM memory cache, buffers and swap space on Linux using the kernel's drop_caches interface and swap tools. It…
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