LINUXOPOLIS # 28-FEBRUARY-2020 ~ SYSTEMD

vim ~/.config/fish/functions/gsystemd.fish

function gsystemd --description 'systemd'
    clear; echo
    echo '=========================================================================='
    echo '                                 SYSTEMD                                  '
    echo '--------------------------------------------------------------------------'
    echo '/etc/systemd/                                                             '
    echo '/etc/systemd/system/                                                      '
    echo '=========================================================================='
    echo ' $ systemctl                                                              '
    echo '--------------------------------------------------------------------------'
    echo ' # systemctl reboot                                                       '
    echo ' # systemctl poweroff                                                     '
    echo ' # systemctl --failed                                                     '
    echo ' $ systemctl is-enabled ufw.service                                       '
    echo ' # systemctl status|start|stop|restart apache2.service                    '
    echo ' # systemctl enable|disable apache2.service                               '
    echo ' $ systemctl list-units                                                   '
    echo ' $ systemctl list-units --type service --all                              '
    echo ' $ systemctl list-units --tpye service --all | vim -                      '
    echo '--------------------------------------------------------------------------'
    echo ' # journalctl                                                             '
    echo '--------------------------------------------------------------------------'
    echo ' # journalctl -b                                                          '
    echo ' # journalctl -b -p err                                                   '
    echo ' # journalctl -b -u ssh                                                   '
    echo ' # journalctl -b -u NetworkManager                                        '
    echo ' # journalctl -b -u NetworkManager --since="yesterday"                    '
    echo ' # journalctl -b -u NetworkManager --since="yesterday" -p err             '
    echo '=========================================================================='
    echo
end

SOURCES
 man-pages ............................................................ $ man systemd
 learnlinuxtv .................................................. youtu.be/AtEqbYTLHfs 
 fish ......................................... fishshell.com/docs/current/index.html
 picture ....................................... screenshoot by me ~ my gnome-desktop