[arch-general] arch-general Digest, Vol 163, Issue 29

[Candy Adkins]

Please remove me from this list I didn't ask for your emails

Candy ????

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Sent: Thursday, May 31, 2018 7:00:01 AM
To: arch-general at archlinux.org
Subject: arch-general Digest, Vol 163, Issue 29

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Today's Topics:

   1. Re: Set ip lan address /etc/environment (Ralph Corderoy)
   2. Re: Set ip lan address /etc/environment (Leonid Isaev)


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Message: 1
Date: Thu, 31 May 2018 10:44:25 +0100
From: Ralph Corderoy <ralph at inputplus.co.uk>
To: General Discussion about Arch Linux <arch-general at archlinux.org>
Subject: Re: [arch-general] Set ip lan address /etc/environment
Message-ID: <20180531094425.CAC71200E3 at orac.inputplus.co.uk>
Content-Type: text/plain; charset=utf-8

Hi Maykel,

> I need define variable called ip with current ip address machine...
> And when reboot machine, the variable ip always has ip address.

Yes, I think we all figured that bit out.  :-)
But why;  what's going to be using that IP-address environment variable,
and when?

--
Cheers, Ralph.
https://plus.google.com/+RalphCorderoy


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Message: 2
Date: Thu, 31 May 2018 04:01:16 -0600
From: Leonid Isaev <leonid.isaev at jila.colorado.edu>
To: arch-general at archlinux.org
Subject: Re: [arch-general] Set ip lan address /etc/environment
Message-ID: <20180531100116.GA22183 at takahe.colorado.edu>
Content-Type: text/plain; charset=us-ascii

On Thu, May 31, 2018 at 10:44:25AM +0100, Ralph Corderoy wrote:
> Hi Maykel,
>
> > I need define variable called ip with current ip address machine...
> > And when reboot machine, the variable ip always has ip address.
>
> Yes, I think we all figured that bit out.  :-)
> But why;  what's going to be using that IP-address environment variable,
> and when?

Indeed. Is it for consumption of users whose shell you don't know? Is it for
scripts, like cron jobs?

In the former case, see what is in /etc/shells, and drop a script to
/etc/profile.d, one for each shell. But that will be for login shells. In the
latter case, I am afraid you need to define it each time...

Finally, a bit of a puzzle, what are you going to do when the network goes
down, i.e. should the variable be unset or updated? In other words, how certain
are you that the IP address remains unchanged throughout the machine uptime?

--
Leonid Isaev


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