+# system sessions
alias sc='systemctl'
-# system sessions
alias sc-status='systemctl status'
alias sc-list-units='systemctl list-units'
alias sc-list-unit-files='systemctl list-unit-files'
alias sc-disable='sudo systemctl disable'
alias jc='journalctl --since=yesterday'
+alias jcb='journalctl -b'
alias jc-err='journalctl --since=yesterday -p err'
alias jc-warn='journalctl --since=yesterday -p warning'