LOGINCTL(1) loginctl LOGINCTL(1) (NAME) loginctl - (systemd-logind) (SYNOPSIS) loginctl [...] {} [...] (DESCRIPTION) loginctl systemd(1) systemd-logind.service(8) . (COMMANDS) : (Session Commands) list-sessions . JSON --json= -j . session-status [ID...] . . . . show-session . 233. show-session [ID...] . . . "self" loginctl . "auto" "self" . . --all . --property= . . session-status . 233. activate [ID] . . . . 219. lock-session [ID...], unlock-session [ID...] / . . / . 233. lock-sessions, unlock-sessions / . 188. terminate-session ID... . . . 233. kill-session ID... . --kill-whom= . --signal= . . 233. (User Commands) list-users . JSON --json= -j . user-status [USER...] . (UID) . . . show-user . 233. show-user [USER...] . . . . --all . --property= . . user-status . 233. enable-linger [USER...], disable-linger [USER...] / (lingering) . . . UID . / . KillUserProcesses= logind.conf(5). 233. terminate-user USER... . . . 233. kill-user USER... . --signal= . . 233. (Seat Commands) list-seats (seats) . JSON --json= -j . seat-status [NAME...] . . . . show-seat . 233. show-seat [NAME...] . . . . --all . --property= . . seat-status . 233. attach NAME DEVICE... . /sys/ . . a-z A-Z 0-9 "-" "_" "seat" . flush-devices . 233. flush-devices attach . . terminate-seat NAME... . . 233. (OPTIONS) : -p, --property= // . . "Sessions". . --value // "=" . 230. -a, --all // . -l, --full ( ) . 198. --kill-whom= kill-session . "leader" "all" . all . 252. -s, --signal= kill-session kill-user . SIGTERM SIGINT SIGSTOP. SIGTERM . "help" "list" . -n, --lines= user-status session-status . . 10 . 219. -o, --output= user-status session-status . journalctl(1) . "short" . 219. -H, --host= . "@" . ssh ( ":" ) ( "/" ) . SSH . machinectl -H HOST . IPv6 . -M, --machine= . "@" . ".host" ( : "--user --machine=lennart@.host"). "@" root . "@" ( ) ".host" . --no-ask-password . --no-pager (pager) . --no-legend (legend) . --json=MODE JSON . "short" ( ) "pretty" ( ) "off" ( JSON ) . -j --json=pretty --json=short . -h, --help . --version . (EXIT STATUS) 0 . (EXAMPLES) 1. $ loginctl user-status fatima (1005) Since: Sat 2016-04-09 14:23:31 EDT; 54min ago State: active Sessions: 5 *3 Unit: user-1005.slice user@1005.service ... session-3.scope ... session-5.scope 3473 login -- fatima 3515 -zsh Apr 09 14:40:30 laptop login[2325]: pam_unix(login:session): session opened for user fatima by LOGIN(uid=0) Apr 09 14:40:30 laptop login[2325]: LOGIN ON tty3 BY fatima 3 5. 3 . scope . (ENVIRONMENT) $SYSTEMD_LOG_LEVEL () ( ). . ( ): emerg alert crit err warning notice info debug 0...7. syslog(3) . console syslog kmsg journal (:) ( SYSTEMD_LOG_LEVEL=debug,console:info debug info ). . $SYSTEMD_LOG_COLOR . tty . journalctl(1) . $SYSTEMD_LOG_TIME . . journalctl(1) . $SYSTEMD_LOG_LOCATION . . . . $SYSTEMD_LOG_TID . (TID) . . . $SYSTEMD_LOG_TARGET . console ( tty ) console-prefixed ( tty "facility" syslog(3) ) kmsg ( ) journal ( ) journal-or-kmsg ( kmsg) auto ( ) null ( ). $SYSTEMD_LOG_RATELIMIT_KMSG (ratelimit) kmsg . . "true" . systemd kmsg . $SYSTEMD_PAGER, $PAGER --no-pager . $SYSTEMD_PAGER $PAGER . $SYSTEMD_PAGER $PAGER less(1) more(1) . . "cat" --no-pager . : $SYSTEMD_PAGERSECURE $SYSTEMD_PAGER $PAGER ( "cat" "") . $SYSTEMD_LESS less ( "FRSXMK"). : K Ctrl+C . less Ctrl+C . $SYSTEMD_LESS "K" less Ctrl+C . X termcap . . () . $LESS less systemd . less(1) . $SYSTEMD_LESSCHARSET (charset) less ( "utf-8" UTF-8 ). $LESSCHARSET less systemd . $SYSTEMD_PAGERSECURE less(1) <<>> . sudo(8) pkexec(1) . . << >> ( ). << >> --no-pager PAGER=cat . . << >> . << >> LESSSECURE=1 . less(1) << >> . . SYSTEMD_PAGERSECURE=0 . $SYSTEMD_PAGERSECURE systemd << >> . UID geteuid(2) sd_pid_get_owner_uid(3) sudo(8) ($SUDO_UID [1]). SYSTEMD_PAGERSECURE=1 << >> . . $SYSTEMD_PAGERSECURE . $SYSTEMD_PAGER $PAGER $SYSTEMD_PAGERSECURE . $SYSTEMD_COLORS . () systemd . $COLORTERM "truecolor" "24bit" 24 256 $NO_COLOR $TERM . true $NO_COLOR . false . "16", "256", "24bit" ANSI . "auto-16", "auto-256", "auto-24bit" $TERM . $SYSTEMD_URLIFY . . systemd $TERM . (SEE ALSO) systemd(1), systemctl(1), systemd-logind.service(8), logind.conf(5) (NOTES) 1. $SUDO_UID . systemd 261.2 LOGINCTL(1)