Can't run simple command on remote, check server is up and ssh access is setup

[Megachip]

Your question

What does it mean and how do I fix it?

ssh user@host command working fine.

tried the following:

glpi-agent --remote=ssh://server?mode=ssh
glpi-agent --remote=ssh://server
glpi-agent --remote=ssh://user:pass@server
glpi-remote add ssh://user:pass@server 

maybe helpful

[info] running task RemoteInventory
[debug] Remote mode enabled: ssh
[debug2] executing ssh -q -o BatchMode=yes -l root -o ConnectTimeout=180 server LANG=C id -u
[debug] Skipping remote inventory task execution for server-2025-05-12-10-56-36: Can't run simple command on remote, check server is up and ssh access is setup
[debug] Remote inventory task run in 0 seconds
ubuntu@glpi:~/os$ ssh root@server id -u
(root@server) Password:
0

[g-bougard]

Hi @Megachip

it means glpi-agent thinks it can't run a simple command as it didn't obtain the expected result.

In your "maybe helpful" outputs, I see you need to specify a password. Glpi-agent won't ask you for a password. This is maybe the reason so. If you really want/need to specify a password, you will need to use libssh2. You may not need to specify a password if you setup the ssh access with public-key authentication.

[Megachip]

Thx for your quick replay.
So --remote=ssh://user:pass@server?mode=ssh isn't workling? I do not have these issue with newer remote systems. Ah, they using libss2 ;)

To sum up: remote inventory of oder systems is only possible via unprotected priv key? - and even this isn't possible cause the system isn't supporting it
This somehow bringing back this idea in mind ^^

[Megachip]

ok, got this running with an custom sshd config via /root/.ssh/config ... but this didn't feel comfortable

[g-bougard]

This is not comfortable to work with old systems, particularly when using security tools.