System configuration

Filesystem

• lsof

ACLs

• getfacl/setfacl

Capabilities

• ???

Namespaces

• lsns
• nsenter

Processes

List all processes, including the complete cmdline:

ps auxwww

Show processes as a tree:

ps faux
ps axjf
pstree

misc

List alternatives for editor:

update-alternatives --list editor

Set /usr/bin/vim.basic as alternative for editor:

update-alternatives --set editor /usr/bin/vim.basic

systemd

• schedule reboot at certain point in time

  systemd-run --on-calendar="2023-01-01 01:00:00 UTC" systemctl reboot
  

mdadm

• mdadm --auto-detect
• mdadm --assemble --scan
• mdadm --detail /dev/md0