December 2018
Beginner
320 pages
8h 57m
English
Content preview from CentOS Quick Start Guide
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What is systemctl?
It is a replacement for the service and chkconfig command in CentOS 7. The systemctl command is used to manage the different types of systemd objects (units). Systemd has 12 unit types, which can be listed with the command shown in the following screenshot:
The following table lists some popular units and their descriptions:
|
Unit types |
Description |
|
Service |
These types of units have a .service extension and represent the system services. This unit is used to start daemons such as the web server. If no unit name is specified with systemctl, then the service is assumed as the default unit. |
|
Socket |
These types ... |
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