[systemd-devel] generators, private /tmp

[Lennart Poettering]

On Di, 19.11.24 20:58, James Muir (jamesmui) (jamesmui at cisco.com) wrote:

> Hi everyone,
>
> The system manager (as of v253) executes generators in a sandbox with a fresh tmpfs mount on /tmp:
>
>   https://github.com/systemd/systemd/blob/a526b9ddfc03a290f20a65c0a73792e73029f1b8/src/core/manager.c#L4274
>
> Looking at the code, it appears that there is no way to disable that using, say, an environment variable or a config file setting.
>
> Is that correct?

Yes.

Generators run during earliest boot, where /tmp/ is quite likely not
mounted yet, hence generators do not have access to the system's /tmp/
and get a transient one.

Lennart

--
Lennart Poettering, Berlin