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rc-update:tldr:d530f
The command sudo rc-update delete ${service_name} ${runlevel}
is used to remove a service from a specific runlevel in a Linux system.
Here's a breakdown of the command:
-
sudo
: It is a command that allows users to run programs with the security privileges of another user, usually the superuser. It requests elevated permissions to perform the following command as a system administrator. -
rc-update
: It is a command used to manage the services controlled by OpenRC, an init system used by some Linux distributions (such as Gentoo). It enables or disables services and specifies the runlevels in which they start. -
delete
: This parameter instructs therc-update
command to delete/disable the specified service from the specified runlevel. -
${service_name}
: This is a placeholder for the actual name of the service you want to remove from the runlevel. You need to replace${service_name}
with the name of the service you want to remove. For example, if you want to remove the service called "apache2", you would replace${service_name}
withapache2
. -
${runlevel}
: This is another placeholder for the runlevel from which you want to remove the service. Runlevels define different operating modes or configurations that a Linux system can run in. Common runlevels includedefault
,boot
,shutdown
, and typically numbered runlevels from 0 to 6. You need to replace${runlevel}
with the particular runlevel you want to remove the service from. For example, if you want to remove the service from runlevel 3, you would replace${runlevel}
with3
.
In summary, the command sudo rc-update delete ${service_name} ${runlevel}
allows a system admin to remove a specific service from a particular runlevel using OpenRC's rc-update
command.