Create shell script for a cron job with hidden debug information that will be shown only when execudted inside terminal.
Logrotate does not support hourly schedule, but this is an easy task to accomplish.
Use find and grep commands to search for directories that contain one or multiple files with particular content.
Log dropped connections from iptables firewall using rsyslog for further analysis and troubleshooting.
Display dependencies to inspect which packages are required for given application.
Enable HTTPS (Hypertext Transfer Protocol Secure) for package managers using libapt-pkg library.
Whitelist or render inoperative any USB device to secure your personal belongings.
Create iptables firewall using custom chains that will be used to control incoming and outgoing traffic.
Create iptables firewall that will be used to control incoming and outgoing traffic.