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--- run_level_변경 [2015/06/18 15:48] – 만듦 zzung
+++ run_level_변경 [2015/06/18 15:49] (현재) – 바깥 편집 127.0.0.1
@@ 줄 1: / 줄 1: @@
+====== Run Level 변경 ======
+===== RedHat 6  =====
+. 현재 설정된 runlevel 확인
+<code vim>
+[root@localhost ~]# runlevel
+N 3
+</code>
+. inittab 에서 직접 runlevel 변경하기
+<code vim>
+[root@localhost ~]# vim /etc/init
+</code>
+<code vim>
+# inittab is only used by upstart for the default runlevel.
+#
+# ADDING OTHER CONFIGURATION HERE WILL HAVE NO EFFECT ON YOUR SYSTEM.
+#
+# System initialization is started by /etc/init/rcS.conf
+#
+# Individual runlevels are started by /etc/init/rc.conf
+#
+# Ctrl-Alt-Delete is handled by /etc/init/control-alt-delete.conf
+#
+# Terminal gettys are handled by /etc/init/tty.conf and /etc/init/serial.conf,
+# with configuration in /etc/sysconfig/init.
+#
+# For information on how to write upstart event handlers, or how
+# upstart works, see init(5), init(8), and initctl(8).
+#
+# Default runlevel. The runlevels used are:
+#   0 - halt (Do NOT set initdefault to this)
+#   1 - Single user mode
+#   2 - Multiuser, without NFS (The same as 3, if you do not have networking)
+#   3 - Full multiuser mode
+#   4 - unused
+#   5 - X11
+#   6 - reboot (Do NOT set initdefault to this)
+#
+id:5:initdefault:
+</code>
+. System reboot
+<code vim>
+[root@localhost ~]# reboot
+</code>
+===== RedHat 7  =====
+. RHEL7 에서 사용할 수 있는 target 정보 출력
+<code vim>
+[root@localhost etc]# systemctl list-units --type=target --all
+UNIT                   LOAD   ACTIVE   SUB    DESCRIPTION
+basic.target           loaded active   active Basic System
+cryptsetup.target      loaded active   active Encrypted Volumes
+emergency.target       loaded inactive dead   Emergency Mode
+final.target           loaded inactive dead   Final Step
+getty.target           loaded active   active Login Prompts
+graphical.target       loaded active   active Graphical Interface
+local-fs-pre.target    loaded active   active Local File Systems (Pre)
+local-fs.target        loaded active   active Local File Systems
+multi-user.target      loaded active   active Multi-User System
+network-online.target  loaded inactive dead   Network is Online
+network.target         loaded active   active Network
+nfs.target             loaded active   active Network File System Server
+nss-lookup.target      loaded inactive dead   Host and Network Name Lookups
+nss-user-lookup.target loaded inactive dead   User and Group Name Lookups
+paths.target           loaded active   active Paths
+remote-fs-pre.target   loaded inactive dead   Remote File Systems (Pre)
+remote-fs.target       loaded active   active Remote File Systems
+rescue.target          loaded inactive dead   Rescue Mode
+shutdown.target        loaded inactive dead   Shutdown
+slices.target          loaded active   active Slices
+sockets.target         loaded active   active Sockets
+swap.target            loaded active   active Swap
+sysinit.target         loaded active   active System Initialization
+syslog.target          not-found inactive dead   syslog.target
+time-sync.target       loaded inactive dead   System Time Synchronized
+timers.target          loaded active   active Timers
+umount.target          loaded inactive dead   Unmount All Filesystems
+LOAD   = Reflects whether the unit definition was properly loaded.
+ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
+SUB    = The low-level unit activation state, values depend on unit type.
+loaded units listed.
+To show all installed unit files use 'systemctl list-unit-files'.
+</code>
+. 현재 설정된 runlevel 확인
+<code vim>
+[root@localhost ~]# runlevel
+N 3
+</code>
+. runlevel 변경
+<code vim>
+[root@localhost ~]# systemctl set-default graphical.target
+rm '/etc/systemd/system/default.target'
+ln -s '/usr/lib/systemd/system/graphical.target' '/etc/systemd/system/default.target'
+</code>
+. runlevel 확인
+<code vim>
+[root@localhost ~]# runlevel
+N 5
+</code>