crontab

# This file contains all my custom cron jobs to run on each k3s node host, each job is a general
# maintenance thing, either to keep things up-to-date or to reduce resource usage. This is managed
# from the central homelab repository and shouldn't be modified directly on the host.

# Delete unused container images
@daily sudo k3s crictl rmi --prune

# Clear logs older than 1 day
@daily sudo journalctl --vacuum-time=1d

# Clear rotated and compressed logs
@daily sudo find /var/log -type f -regex ".*\.gz$" -delete
@daily sudo find /var/log -type f -regex ".*\.[0-9]$" -delete

# Clear temporary files that have not been accessed in 7 days
@daily sudo find /tmp -type f -atime +7 -delete

# Upgrade packages weekly
@weekly sudo apt-get update && sudo apt-get upgrade -y && sudo apt-get autoremove -y