InitScriptList
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Comment: Describes some initscripts rsync, lvm...
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| || cron || Daemon to execute scheduled commands || || | || cron || Daemon to execute scheduled commands || || |
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| || lvm || || || | || lvm || Logical Volume Manager|| || |
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| || powernowd || || || | || powernowd || Adjusts the cpu frequency to conserve power || For saving battery life in laptops || |
| Line 67: | Line 67: |
| || rsync || || || | || rsync || Starts and stops the Rsync Daemon || If you are running an Rsync server/mirror || |
List of default Ubuntu init scripts
It would be nice to have a complete list of default Ubuntu init scripts. Like that users can lookup which ones they can easily deactivate to speedup the boot process and save memory. This page could eventually merged with UbuntuBootupHowto.
There's also a page InitScriptHumanDescriptions now, which is more complete and aims to provide short, human-readable descriptors for init scripts.
![Warning /!\](/moin_static198/light/img/icon_eek.png "Warning /!\"){kind=icon}
As you see, it is not ready yet, feel free to change and fill in everything you know.
Name |
What it does |
When do I need it? |
acpid |
Starts the ACPI daemon process |
If you have an ACPI-enabled system |
acpi-support |
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alsa |
Starts the ALSA sound daemon |
Using ALSA sound (recommended) |
anacron |
Runs cron jobs that occured while the machine was offline |
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apache2 |
Starts the apache web server |
Only if you want to run a web server locally (not a web browser!) |
apmd |
Starts the Advanced Power Management system |
Using a laptop and need power management |
atd |
Daemon to run jobs queued by at |
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bootclean.sh |
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bootlogd |
Enables the logging of the boot, one of first scripts to run |
To view the log of your boot |
bootmisc.sh |
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checkfs.sh |
Check all file systems |
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checkroot.sh |
Check the root file system |
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console-screen.sh |
Boot script for console-tools |
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cron |
Daemon to execute scheduled commands |
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cupsys |
Unix Printing Services |
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dbus-1 |
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dhcp |
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dns-clean |
Pppconfig dns cleanup |
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evms |
?? |
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festival |
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fetchmail |
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gdm |
Gnome display manager daemon for X |
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halt |
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Don't mess with this! |
hdparm |
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hostname.sh |
Set hostname |
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hotplug |
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hwclockfirst.sh |
Sets the system clock from the hardware clock |
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hwclock.sh |
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ifupdown |
Network interface configuration |
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ifupdown-clean |
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inetd |
Network "super-server" daemon |
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initrd-tools.sh |
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irda-utils |
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keymap.sh |
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klogd |
Kernel logging daemon |
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libdevmapper1.00 |
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lirc |
Starts the Linux Infrared Control system |
Have a need for infra-red device control |
lvm |
Logical Volume Manager |
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makedev |
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Don't mess with this! |
module-init-tools |
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mountall.sh |
Mount all file systems |
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mountnfs.sh |
Mount NFS file systems |
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mountvirtfs |
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mysql |
Starts the MySQL Server |
If you have MySQL Server installed (Database Server) |
networking |
Manage network interfaces and configure options |
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ntpdate |
updates the system time using the Network Time Protocol |
only if you have a network connection which is always online |
pcmcia |
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only for laptops with PCMCIA slot |
postfix |
Starts the PostFix mail transport agent |
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powernowd |
Adjusts the cpu frequency to conserve power |
For saving battery life in laptops |
ppp |
Start or stop PPP daemon |
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pppd-dns |
Clean up /etc/resolv.conf after pppd |
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procps.sh |
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Don't mess with this! |
rc |
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rcS |
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readahead |
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reboot |
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Don't mess with this! |
rmnologin |
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Don't mess with this! |
rsync |
Starts and stops the Rsync Daemon |
If you are running an Rsync server/mirror |
screen-cleanup |
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sendsigs |
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Don't mess with this! |
single |
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Don't mess with this! |
skeleton |
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ssh |
Starts the OpenSSH Server |
Only if OpenSSH is installed |
stop-bootlogd |
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sudo |
Clear privileges |
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sysklogd |
System log daemon |
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udev |
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udev-mtab |
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umountfs |
Unmount file systems |
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umountnfs.sh |
Unmount network file systems |
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urandom |
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Don't mess with this! |
vbesave |
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xorg-common |
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List of non-default init scripts
Name |
What it does |
When do I need it? |
webmin |
A web-based admin interface |
To control a remote server |
FAQ
What are the different runlevels for?
- Runlevel 0 stands for shutdown
- Runlevel 2 is the default runlevel for the Ubuntu boot process
- Runlevel 6 stands for reboot
Why does Ubuntu uses runlevel 2 as default? Will I ever need 3-5?
- Does anyone have an answer to this? Most other distros use runlevel 5 for GUI and runlevel 3 for console. Runlevel 2 is usually almost complete but networking disabled. I visit clients with my laptop, and it would be very useful to boot up quickly without networking in these cases. With Ubuntu's current use of runlevels there's not much room for this.
What is in /etc/rcS.d?
- The links you find in there are executed before executing runlevel 1-5.
What does '''K''' and '''S''' stand for?
K stands stops a process, S starts it.
What do the numbers between '''K''' / '''S''' and the initscript name mean?
- these numbers determine the order in which the various scripts get executed. S35mountall.sh is executed before S40hotplug.
How do I deactivate a script at bootup?
see UbuntuBootupHowto or similarly SysvconfigHowTo or Boot-Up Manager at this thread http://ubuntuforums.org/showthread.php?p=190562
InitScriptList (last edited 2008-08-06 16:30:27 by localhost)