How is the default value of PATH environment variable being set in Fedora?

[Joachim Backes]

On 12/17/2014 09:38 AM, Piotr Dobrogost wrote:
> Hi!
> 
> When I login using terminal (for instance after pressing CTRL+ALT+F2)
> the `PATH ` environment variable looks like this:
> 
> `/usr/lib64/qt-3.3/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin/:/usr/sbin:/home/user/.local/bin:/home/user/bin`
> 
> However when I open new Konsole window it looks like this:
> 
> `/usr/lib64/qt-3.3/bin:/bin:/usr/bin:/usr/local/bin:/usr/local/sbin:/usr/sbin:/home/user/.local/bin:/home/user/bin`
> 
> Notice, that in the first case `/usr/local/bin` precedes
> `/bin:/usr/bin` whereas in the second case it's the other way around.
> 
> What mechanism governs this and how can I configure it so that in the
> second case `/usr/local/bin` precedes `/usr/bin`?
> 
> I took a look in `/etc/profile` but there I see only `/usr/local/sbin`
> and `/usr/sbin` being set:
> 
>     # Path manipulation
>     if [ "$EUID" = "0" ]; then
>         pathmunge /usr/sbin
>         pathmunge /usr/local/sbin
>     else
>         pathmunge /usr/local/sbin after
>         pathmunge /usr/sbin after
>     fi
> 
> In the `/etc/environment` I have nothing that sets or changes `PATH`.
> 
> I know I can overwrite `PATH` in one of bash rc scripts but I would
> like to know how this default `PATH` is being set in the first place.

Hi Piotr,

if I remember well, I think in earlier times it was the *init* process,
or *getty* setting the default PATH, so nowadays it could be done by
systemd (or child proc)???

> 
> 
> I'm on KDE spin of Fedora 21.
> 
> Thank you in advance.
> 
> Regards,
> Piotr Dobrogost
> 


-- 

Fedora release 21 (Twenty One)
Kernel-3.17.6-300.fc21.x86_64


Joachim Backes <joachim.backes at rhrk.uni-kl.de>
https://www-user.rhrk.uni-kl.de/~backes