Server Administration
Rotate Logs With logrotate
A log file that grows forever will eventually fill the disk. Write a logrotate config that renames, compresses and expires old copies, test it…
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Tag: Linux
Server Administration
Set File and Directory Permissions With chmod
Set file and directory permissions with chmod, numerically and symbolically, and you control exactly who can read, write, or execute anything on a Linux…
Server Administration
Create a systemd Service
Create a systemd service to keep a long-running program alive - started at boot, restarted on a crash, logs collected. This tutorial writes a…
Server Administration
Connect to a Remote Server Using SSH Keys
Log in to a remote server without a password using SSH keys. Generate an ed25519 key pair, copy the public key to the server,…
Server Administration
Schedule Tasks With Cron
Run commands on a fixed timetable with cron. This tutorial opens your crontab, explains the five time fields, schedules a nightly logged backup, and…