Hi John,
the 'profile.local' launch 'script _xxx' and it checks "$TERM"
: only if set to ' XTERM' it continue.
(I prefer that "profile.local" remains simple and only contain
the call to 'script_xxx' with complex code)
1) This is the secondary console where root is always active of a
Linux/zVM :
UID PID PPID C STIME TTY TIME CMD
root 1342 1 1342 1342 0 Jan28 ttyS0 00:00:00 /bin/sh
--login
And 'dumb' is the content of "$TERM" of SuSE SLES8 - SLES9 -
SLES10, REDHAT AS 4 :
echo $TERM
dumb
lx1iard0:/ #
In this case the 'script_xxx' cannot be executed.
2) When an user is logged via SSH/Putty 'xterm' is the content of
"$TERM" :
lx1iard0:~ # echo $TERM
xterm
In this case the 'profile.local' launch the 'script_xxx' and it can
continue.
3) When I use ' su - ' I would like that the 'profile.local'
launch 'script_xxx' but it ( 'script_xxx') has to check something
(???) and I can chose if terminate or take another way.
Ciaoo....
Cordiali saluti / Best regards
Marco Bosisio IBM Italia S.p.A
John Summerfield <[email protected]>
Sent by: Linux on 390 Port <[email protected]>
03/03/2009 13.09
Please respond to
Linux on 390 Port <[email protected]>
To
[email protected]
cc
Subject
Re: Which user env. variable tell me that it is in "su - " mode ?
Marco Bosisio wrote:
> Hi,
> do you know wich user environment variable I have to test (executing
> a bash script) to know when I am in "su -" (switch user mode) ?
>
>
> Reading variables provided by "env" command then testing $TERM I
> am able to know if not a Linux terminal :
That probably isn't as useful as you think, TERM can have almost any
value.
See man(1) tty
for what I think you want.
Also, to test whether you're root, man(1) id.
To test whether you can write a particular file,
test --help
eg
test -w /bin/bash
It's preferable to test for the relevant capability, you may have some
security software (eg selinux) that prevents even root from doing some
things.
--
Cheers
John
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