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Suse openSUSE 12.2 Manual

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WARNING: Avoiding Overwritten Customizations
Always do systemd customization in /etc/systemd, never in /lib/
systemd. Otherwise your changes will be overwritten by the next update of
systemd.
Procedure 8.1:
Create a Custom Target
1
Copy the conguration le /lib/systemd/system/graphical.target
to /etc/systemd/system/<my_target>.target and adjust it according
to your needs.
2
The conguration le copied in the previous step already covers the required (“hard”)
dependencies for the target. To also cover the wanted (“soft”) dependencies, create
a directory /etc/systemd/system/<my_target>.target.wants.
3
For each wanted service create a symbolic link from /lib/systemd/system
into /etc/systemd/system/<my_target>.target.wants.
4
Once you have nished setting up the target, reload the systemd conguration to
make the new target available:
systemctl daemon-reload
8.2.3 Debugging System Start-Up
systemd offers means to analyze the system start-up process. You can conveniently
review the list of all services and their status (rather than having to parse /varlog/).
systemd also allows to scan the start-up procedure to nd out how much time each
service start-up consumes.
8.2.3.1 Review Start-Up of Services
To review the complete list of services that have been started since booting the system,
just enter the command systemctl. It lists all active services like shown below
(shortened). To get more information on a specic service, use systemctl status
<my_service>.service.
146 Reference
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