openssh unix dev - Apr 2025 - Setting variable in /etc/environment has no effect for ssh session

On Thu, 17 Apr 2025, Yu, Mingli wrote:
> Hi Expert,
> 
> I'm using openssh 9.9p2 and have defined the below logic into
/etc/pam.d/sshd.
> session required pam_env.so
> 
> But the environment variables defined in /etc/environment file are not
> effective when login via ssh. Could you help to guide what's wrong
here?
I don't know why this isn't working for you, AFAIK it supported.
Perhaps try turning on debugging logs from pam_env?

On Sat, 19 Apr 2025 at 14:44, Damien Miller <djm at mindrot.org> wrote:
> On Thu, 17 Apr 2025, Yu, Mingli wrote:
> [...]
> > I'm using openssh 9.9p2 and have defined the below logic into
> /etc/pam.d/sshd.
> > session required pam_env.so
> >
> > But the environment variables defined in /etc/environment file are not
> > effective when login via ssh. Could you help to guide what's wrong
here?
>
> I don't know why this isn't working for you, AFAIK it supported.
> Perhaps try turning on debugging logs from pam_env?
>
Also check that you are actually using PAM in sshd ("UsePAM yes" in
sshd_config, it defaults to no) and that if set, PAMServiceName refers to
the config you expect (it defaults to "sshd").

-- 
Darren Tucker (dtucker at dtucker.net)
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