Re: Environment Variable weirdness
On Wed, 29 Sep 1999, Salman Ahmed wrote:
: Running Debian 2.1, I noticed sth odd about a couple of
: environment variables (I am running XFree-188.8.131.52-2).
: First of all :
: I have a Celeron 300A processor and have installed a new
: 2.2.12 kernel recently. Where is this variable getting
: set from ?
: How do I change this env variable on a global basis ?
: Same thing for the MACHTYPE env variable :
: Why do these variables refer to i386 when the arch
: command displays the correct output :
: @phoenix:[/home/ssahmed] arch
... but the machine architecture is still "i386", as in Intel CISC.
Other machine architectures include m68k, powerpc, alpha, hp-ppa, etc.
You don't need to worry about this.
: The other thing is that the DISPLAY env variable is set
: to "unix:0.0". My question is : shouldn't this variable
: be of the form $HOSTNAME:0.0 ? So why is set to "unix:0.0" ?
: And how do I change this env variable on a global basis
: (ie for all users) ?
It's faster to use a "UNIX domain socket" when all traffic is local as
you avoid some of teh overhead of an IP stack. Why waste those
: The last thing is : I'd like to create an environment variable
: that contains the following information : kernel version and
: machine architechture. e.g. : linux-2.2.12-i686. Let's call
: it OSVERSION. Where do I set this environment variable ?
Do it in /etc/profile, add this line:
export OSVERSION=`uname -r`-`arch`
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