Differences

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--- linux_wiki:init_systems [2015/03/10 23:33]
billdozor
+++ linux_wiki:init_systems [2019/05/25 23:50] (current)
@@ Line 6: / Line 6: @@
 **Checklist**
-  * Distro: Varies, depending upon init system.
+  * Distro(s): Varies, depending upon init system.
 ----
@@ Line 35: / Line 35: @@
 ^ Description ^ Sysv ^ Upstart ^ Systemd ^
-| Halt system | 0 | upstart | poweroff.target |
+| Halt system | 0 | runlevel [0] | poweroff.target |
-| Single user mode | 1,s,single | upstart | rescue.target |
+| Single user mode | 1,s,single | runlevel [1] | rescue.target |
-| User defined. Same as 3 by default. | 2,4 | upstart | multi-user.target |
+| User defined. Same as 3 by default. | 2,4 | runlevel [24] | multi-user.target |
-| Multi-user, non-graphical | 3 | upstart | multi-user.target |
+| Multi-user, non-graphical | 3 | runlevel [3] | multi-user.target |
-| Multi-user, graphical | 5 | upstart | graphical.target |
+| Multi-user, graphical | 5 | runlevel [5] | graphical.target |
-| Reboot | 6 | upstart | reboot.target |
+| Reboot | 6 | runlevel [6] | reboot.target |
-| Emergency shell | emergency | upstart | emergency.target |
+| Emergency shell | emergency | ? | emergency.target |
+  * Note: Upstart has many different "events" besides runlevels that can trigger jobs to start, such as "start on file-system" or "start on startup"
 ----
@@ Line 60: / Line 62: @@
 ==== Master Copy of Startup Scripts ====
-/etc/init.d/
+/etc/rc.d/init.d/
 ==== rc#.d directories ====
-The rc#.d directories contain symbolic links to the scripts in /etc/init.d.
+The rc#.d directories contain symbolic links to the scripts in /etc/rc.d/init.d.
 # = the run level, ie rc0.d, rc1.d, rc2.d, rc3.d, rc4.d, rc5.d, rc6.d
@@ Line 106: / Line 108: @@
 ==== Location of Unit Scripts ====
-All of systemd unit scripts are located here (and sub folders):
+  * All of systemd unit scripts are located here (and sub folders): /usr/lib/systemd/
-<code bash>
+  * Systemd uses this directory of symlinks to run those scripts: /etc/systemd/system/
-/usr/lib/systemd/
+  * Other systemd configuration: /etc/systemd/
-</code>
+  * Unit control: systemctl
-Systemd uses this directory of symlinks to run those scripts:
-<code bash>
-/etc/systemd/system/
-</code>
-Other systemd configuration:
-<code bash>
-/etc/systemd/
-</code>
 ==== Laptop: Disable Suspend ====