I accidentally discovered a feature introduced in systemd, which overrides the default SIGINT behaviour for the ctrl-alt-del (CAD) keystroke sequence. Previously, an entry in /etc/inittab such as the below would be sufficient to prevent an accidental CAD (e.g. when remotely connected to a console and using CAD to…
When applying changes to /etc/systemd/system.conf, using the systemd.lns augeas lens, I needed to change the CPU Affinity parameter. using the puppetforge systemd module, I wanted to set YAML to set the line CPUAffinity=0 1 2 3 in /etc/systemd/system.conf I already discovered through…
Firstly, /etc/inittab is no longer used in redhat. Instead, systemd (the new system and service manager) is used for defining default startup state. RHEL 7 Sysadmin guide explains this really well. I'll summarise the changes with respect to inittab (default run level). To check current default [root@localhost grub.…