CentOS 7 service systemnctl

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 在之前的版本中關閉防火牆等服務的命令是service iptables stop/etc/init.d/iptables stop 在RHEL7中,其實沒有這個服務[[email protected] ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.0 (Maipo)[[email protected] ~]# service iptables stopRedirecting to /bin/systemctl stop  iptables.service[[email protected] ~]# /etc/init.d/iptables stop-bash: /etc/init.d/iptables: No such file or directory 原來在RHEL7開始，使用systemctl工具來管理服務程式，包括了service和chkconfig [[email protected] ~]# systemctl list-unit-files|grep enabledcups.path                                   enabled abrt-ccpp.service                           enabled abrt-oops.service                           enabled abrt-vmcore.service                         enabled abrt-xorg.service                           enabled abrtd.service                               enabled accounts-daemon.service                     enabled atd.service                                 enabled auditd.service                              enabled avahi-daemon.service                        enabled bluetooth.service                           enabled chronyd.service                             enabled crond.service                               enabled cups.service                                enabled dbus-org.bluez.service                      enabled dbus-org.fedoraproject.FirewallD1.service   enabled dbus-org.freedesktop.Avahi.service          enabled dbus-org.freedesktop.ModemManager1.service  enabled dbus-org.freedesktop.NetworkManager.service enabled dbus-org.freedesktop.nm-dispatcher.service  enabled display-manager.service                     enabled dmraid-activation.service                   enabled firewalld.service                           enabled firstboot-graphical.service                 enabled gdm.service                                 enabled [email protected]                              enabled hypervkvpd.service                          enabled hypervvssd.service                          enabled irqbalance.service                          enabled iscsi.service                               enabled ksm.service                                 enabled ksmtuned.service                            enabled libstoragemgmt.service                      enabled libvirtd.service                            enabled lvm2-monitor.service                        enabled mdmonitor.service                           enabled microcode.service                           enabled ModemManager.service                        enabled multipathd.service                          enabled NetworkManager-dispatcher.service           enabled NetworkManager.service                      enabled nfs-lock.service                            enabled packagekit-offline-update.service           enabled postfix.service                             enabled rhsmcertd.service                           enabled rngd.service                                enabled rpcbind.service                             enabled rsyslog.service                             enabled rtkit-daemon.service                        enabled smartd.service                              enabled spice-vdagentd.service                      enabled sshd.service                                enabled sysstat.service                             enabled systemd-readahead-collect.service           enabled systemd-readahead-drop.service              enabled systemd-readahead-replay.service            enabled tuned.service                               enabled vmtoolsd.service                            enabled avahi-daemon.socket                         enabled cups.socket                                 enabled dm-event.socket                             enabled iscsid.socket                               enabled iscsiuio.socket                             enabled lvm2-lvmetad.socket                         enabled rpcbind.socket                              enabled default.target                              enabled graphical.target                            enabled nfs.target                                  enabled remote-fs.target                            enabled  禁用防火牆[[email protected] ~]# systemctl stop firewalld.service[[email protected] ~]# systemctl disable firewalld.service[[email protected] ~]# systemctl status firewalld.servicefirewalld.service – firewalld – dynamic firewall daemon   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled)   Active: inactive (dead)Jul 29 22:25:43 rhel7 systemd[1]: Started firewalld – dynamic firewall daemon.Jul 29 22:43:29 rhel7 systemd[1]: Stopping firewalld – dynamic firewall daemon…Jul 29 22:43:29 rhel7 systemd[1]: Stopped firewalld – dynamic firewall daemon.Jul 29 22:44:14 rhel7 systemd[1]: Stopped firewalld – dynamic firewall daemon.Jul 29 22:44:15 rhel7 systemd[1]: Stopped firewalld – dynamic firewall daemon.Jul 29 22:44:19 rhel7 systemd[1]: Starting firewalld – dynamic firewall daemon…Jul 29 22:44:19 rhel7 systemd[1]: Started firewalld – dynamic firewall daemon.Jul 29 22:44:21 rhel7 systemd[1]: Stopping firewalld – dynamic firewall daemon…Jul 29 22:44:21 rhel7 systemd[1]: Stopped firewalld – dynamic firewall daemon.Jul 29 22:44:32 rhel7 systemd[1]: Stopped firewalld – dynamic firewall daemon. 啟動一個服務：systemctl start firewalld.service關閉一個服務：systemctl stop firewalld.service重啟一個服務：systemctl restart firewalld.service顯示一個服務的狀態：systemctl status firewalld.service在開機時啟用一個服務：systemctl enable firewalld.service在開機時禁用一個服務：systemctl disable firewalld.service查看服務是否開機啟動：systemctl is-enabled firewalld.service;echo $?查看已啟動的服務列表：systemctl list-unit-files|grep enabled

 

CentOS 7 service systemnctl