Log systemd service state changes using rsyslog.
Use date utility to display current date time in different timezone
Use systemctl to get process identifier for specified service.
Today I will extend the how to fix device excluded by a filter blog post to include information on how to wipe filesystem or partition-table signatures except for LVM2 members, which is a great idea for automation.
Write an operating system to microSD card using Raspberry Pi Imaging Utility.
Create the simplest possible firewall using nftables framework with relaxed rules that will allow all outgoing traffic, incoming ICMP echo requests, and ssh connections.