systemd


==========================================          ==========================================
             INFORMATION                                         LOGS                         
==========================================          ==========================================
                                                                                              
systemctl                                           journalctl                                
    list-dependencies                                   -u <name>  by service                 
    list-sockets                                        -f         follow live log            
    list-jobs                                           -k         kernel messages            
    list-unit-files                                     -k         kernel messages            
    list-units                                          -r         reverse (newest first)     
    get-default                                         -o json    format output              
    --type=service --all                                -b -1      from previous boot         
                                                        -n 10      limit output lines (tail)  
==========================================              -S,--since e.g "2012-10-30 18:17:16"  
             SERVICES                                   -U,--until e.g. "10 min ago"          
==========================================                                                    
                                                                                              
systemctl                                           ==========================================
    stop <name>                                                  SYSTEM STATES                
    start <name>                                    ==========================================
    restart <name>                                                                            
    reload <name>                                   systemctl                                 
    status <name>                                       reboot       reboot.target            
    enable <name>                                       poweroff     poweroff.target          
    disable <name>                                      emergency    emergency.target         
    show <name>                                         default      default.target           
    -H <host> status network