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Systemctl-Control-the-systemd-system-and-service-managerMain.Systemctl-Control-the-systemd-system-and-service-manager HistoryHide minor edits - Show changes to output Added lines 25-38:
Another Example: [fedora@fedora system]$ pwd /usr/lib/systemd/system [fedora@fedora system]$ ls -l mysqld.service -rw-r--r--. 1 root root 1408 Aug 6 12:02 mysqld.service [fedora@fedora system]$ Added lines 95-96:
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@] !!From the man help page systemctl -h [@ Unit Commands: list-units List loaded units start [NAME...] Start (activate) one or more units stop [NAME...] Stop (deactivate) one or more units reload [NAME...] Reload one or more units restart [NAME...] Start or restart one or more units try-restart [NAME...] Restart one or more units if active reload-or-restart [NAME...] Reload one or more units is possible, otherwise start or restart reload-or-try-restart [NAME...] Reload one or more units is possible, otherwise restart if active isolate [NAME] Start one unit and stop all others kill [NAME...] Send signal to processes of a unit is-active [NAME...] Check whether units are active status [NAME...|PID...] Show runtime status of one or more units show [NAME...|JOB...] Show properties of one or more units/jobs or the manager reset-failed [NAME...] Reset failed state for all, one, or more units load [NAME...] Load one or more units Unit File Commands: list-unit-files List installed unit files enable [NAME...] Enable one or more unit files disable [NAME...] Disable one or more unit files reenable [NAME...] Reenable one or more unit files preset [NAME...] Enable/disable one or more unit files based on preset configuration mask [NAME...] Mask one or more units unmask [NAME...] Unmask one or more units link [PATH...] Link one or more units files into the search path is-enabled [NAME...] Check whether unit files are enabled Job Commands: list-jobs List jobs cancel [JOB...] Cancel all, one, or more jobs Status Commands: dump Dump server status dot Dump dependency graph for dot(1) Added lines 95-116:
[@ [root@fedora system]# pwd /usr/lib/systemd/system [root@fedora system]# ll |grep httpd -rw-r--r--. 1 root root 450 Apr 30 15:22 httpd-event.service -rw-r--r--. 1 root root 434 Apr 30 15:22 httpd.service -rw-r--r--. 1 root root 454 Apr 30 15:22 httpd-worker.service [root@fedora system]# systemctl show httpd.service |grep -i state LoadState=loaded ActiveState=inactive SubState=dead UnitFileState=disabled [root@fedora system]# systemctl status httpd.service httpd.service - The Apache HTTP Server (prefork MPM) Loaded: loaded (/usr/lib/systemd/system/httpd.service; disabled) Active: inactive (dead) CGroup: name=systemd:/system/httpd.service [root@fedora system]# @] Deleted lines 81-82:
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(:Google1:) (:Googletxt:) ---- !!systemctl - Control the systemd system and service manager !!Finding openssh-server install files on fedora - 17 (:table border=1 width=50% bgcolor=yellow cellspacing=0 :) (:cellnr:) [@ [fedora@localhost system]$ rpm -ql openssh-server-5.9p1-22.fc17.i686 /etc/pam.d/sshd /etc/ssh/sshd_config /etc/sysconfig/sshd /usr/lib/fipscheck/sshd.hmac /usr/lib/systemd/system/sshd.service /usr/libexec/openssh/sftp-server /usr/sbin/sshd /usr/sbin/sshd-keygen /usr/share/man/man5/moduli.5.gz /usr/share/man/man5/sshd_config.5.gz /usr/share/man/man8/sftp-server.8.gz /usr/share/man/man8/sshd.8.gz /var/empty/sshd @] (:tableend:) !!Enabling sshd.service (:table border=1 width=50% bgcolor=yellow cellspacing=0 :) (:cellnr:) [@ [fedora@localhost system]$ sudo systemctl enable sshd.service ln -s '/usr/lib/systemd/system/sshd.service' '/etc/systemd/system/multi-user.target.wants/sshd.service' [fedora@localhost system]$ sudo systemctl status sshd.service sshd.service - OpenSSH server daemon Loaded: loaded (/usr/lib/systemd/system/sshd.service; enabled) Active: inactive (dead) CGroup: name=systemd:/system/sshd.service @] (:tableend:) !!Starting sshd.service (:table border=1 width=50% bgcolor=yellow cellspacing=0 :) (:cellnr:) [@ [fedora@localhost system]$ sudo systemctl start sshd.service @] (:tableend:) !!Checking Status for sshd.service (:table border=1 width=50% bgcolor=yellow cellspacing=0 :) (:cellnr:) [@ (:tableend:) [fedora@localhost system]$ sudo systemctl status sshd.service sshd.service - OpenSSH server daemon Loaded: loaded (/usr/lib/systemd/system/sshd.service; enabled) Active: active (running) since Wed, 15 Aug 2012 21:55:35 +0530; 3s ago Process: 3544 ExecStartPre=/usr/sbin/sshd-keygen (code=exited, status=0/SUCCESS) Main PID: 3548 (sshd) CGroup: name=systemd:/system/sshd.service └ 3548 /usr/sbin/sshd -D Aug 15 21:55:35 localhost.localdomain sshd[3548]: Server listening on 0.0.0.0 port 22. Aug 15 21:55:35 localhost.localdomain sshd[3548]: Server listening on :: port 22. [fedora@localhost system]$ pgrep ssh 3548 [fedora@localhost system]$ @] !!Verification using netstat (:table border=1 width=50% bgcolor=yellow cellspacing=0 :) (:cellnr:) [@ [fedora@localhost system]$ sudo netstat -nlp |grep 22 tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 3548/sshd tcp6 0 0 :::22 :::* LISTEN 3548/sshd [fedora@localhost system]$ @] (:tableend:) (:Googlemm:) |