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Systemd guix containers: unable to execute Permission denied
From: |
Edouard Klein |
Subject: |
Systemd guix containers: unable to execute Permission denied |
Date: |
Sat, 19 Jun 2021 16:20:47 +0200 |
User-agent: |
mu4e 1.4.15; emacs 27.2 |
Hi,
I'm running a container using a systemd unit. This unit calls a script
that call guix system container and calls the returned script.
When I launch this script by itself, everything works as expected.
When I launch this script with systemd, I can launch any command except
as root in the container.
For example, once I get a shell in the container with guix container
exec, I can do:
sudo -u nginx echo toto
And it will succeed when the container is launched by hand, but failed
when launched with systemd.
Any idea, even far fetched, will be appreciated. I have a burning hatred
for systemd (not my choice) that this incident is fueling.
I've tried everything I could think of:
- activating and deactivating various systemd flags
- changing the uid of nginx to match a user on the host system
- changing the uid of nginx to avoid matching a user on the host system
- stopping nscd on the container,
etc.
I'm looking into other means of achieving what I want, but this SHOULD
work, and it WOULD if it wasn't for effing systemd.
Cheers,
Edouard.
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