What are hexadecimal service names in a cgroup used for?

penguin_pam

I implemented a check to determine whether a script is running as a service, as described here . Basically, the check is that /proc/self/cgroup ends with .service . However, I just found out that I have a tab in konsole (the KDE terminal), with a cgroup name that ends with .service and another tab (in the same konsole window), which ends with .scope as I am used to: # First tab (I don't understand why it ends with .service) $ cat...

Originally asked by Florian Kusche on Stack Exchange (unix) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

Modern Desktop Environments launch each application (desktop file) as a systemd service. There are high level recommendations for DE systemd integration on this page . The hexadecimal string is randomly generated to allow multiple instances of the same application to coexist. The services starting with app- normally correspond to the started desktop applications. Once application program is started, it can use systemd D-Bus APIs to rearrange processes to some extent (at least, to connect processes to a different scope). That is what Konsole does. Why the hierarchy looks this way in your case can probably be answered only by reading the source code of the exact konsole version you are using....

Full answer by Andrei Borzenkov: https://unix.stackexchange.com/a/807821 (CC BY-SA 4.0).

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