Blog - PQ.Hosting

Mar 19, 2026

Where MySQL Stores Database Files and How to Change the datadir Path

How to find MySQL datadir via config, mysqld, and SQL query, what is stored in /var/lib/mysql, and how to correctly migrate data to another disk including permissions and AppArmor.

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Mar 19, 2026

The ss Utility in Linux: Connection Diagnostics, Filters, and netstat Replacement

The ss command in Linux — listening ports with processes via ss -tlnp, filtering by port and IP, TCP states, statistics with ss -s, and real-time monitoring with watch.

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Mar 18, 2026

Copy and Paste in tmux: vi Mode, System Clipboard, and xclip

How to copy and paste in tmux — copy-mode with vi keys, multiple tmux buffers, syncing with system clipboard via xclip on Linux and pbcopy on macOS.

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Mar 18, 2026

Installing Claude Code on Windows: Native Installer, WinGet, and PATH Fixes

How to install Claude Code on Windows — native PowerShell installer, WinGet, WSL, and deprecated npm. Fixing PATH issues, authentication, claude doctor, and configuring auto-updates.

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Mar 17, 2026

What Is Load Average in Linux: How to Read the Three Numbers and Diagnose High Load

Load Average in Linux — what the three uptime numbers mean, how to calculate normal values by core count, why LA rises with low CPU, D-state processes, and diagnostics with vmstat and iostat.

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Mar 16, 2026

The figlet Command in Linux: ASCII Art, Fonts, MOTD, and Colored Output

figlet in Linux — ASCII art from text, font selection, SSH login banner via /etc/motd, colored output with lolcat, and the toilet alternative with borders and filters.

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Mar 16, 2026

apt-get command not found: Causes and How to Fix It

What to do when apt-get command not found — checking the distribution, file permissions, broken PATH, and reinstalling apt via dpkg. Table of alternative package managers.

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Mar 13, 2026

What Is LTS in Linux and Ubuntu: Support Timelines, Version Differences, and How to Choose

LTS in Ubuntu and Linux — what Long-Term Support means, how many years 20.04, 22.04, and 24.04 are supported, how LTS differs from regular releases, and when to choose each for a server.

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Mar 13, 2026

How to Restart a Service in Linux: systemctl restart, reload, and Diagnostics

Restarting services in Linux with systemctl — difference between restart and reload, checking status, reading logs with journalctl, enabling autostart, and service names across distributions.

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