December 2016
Intermediate to advanced
300 pages
6h 36m
English
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Service support in systemd
The main capability of the system daemon that most people know is its support for system services. Unlike the traditional SysV-compatible init systems, systemd does not use scripts to manage services. Instead, it uses a declarative approach for the various services, documenting the wanted state and configuration parameters while using its own logic to ensure that the right set of services is started in due time.
Understanding unit files
Systemd uses unit files to declare how a service should behave. These unit files use the INI-style syntax, supporting sections and key/value pairs within each file. A service can have multiple unit files that influence the service at large. It is important to remember that different unit ...
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