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UNIX for Dummies Questions & Answers
DISPLAY Environment Variable
Post 302433928 by mewbie on Thursday 1st of July 2010 01:30:06 AM
07-01-2010
Thank you for the reply kduffin 
That works great- with the exception that the next time the user logs in they will see 'Last login' as my IP - not their own and their .bash_history will contain cmds I executed.
It is also quiet a few steps to yield the results of 'env' for all users.
Is there another method to view one or all users env variables?
For example to view if any users have messed around with their history? such as 'unset HISTFILE'.
I know how to prevent them from altering it, I just want to know if they have .
That works great- with the exception that the next time the user logs in they will see 'Last login' as my IP - not their own and their .bash_history will contain cmds I executed.
It is also quiet a few steps to yield the results of 'env' for all users.
Is there another method to view one or all users env variables?
For example to view if any users have messed around with their history? such as 'unset HISTFILE'.
I know how to prevent them from altering it, I just want to know if they have
.Last edited by mewbie; 07-01-2010 at 03:09 AM.. Reason: spelling/grammar :p
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LEARN ABOUT DEBIAN
calife
CALIFE(1) BSD General Commands Manual CALIFE(1) NAME
calife -- becomes root (or another user) legally. SYNOPSIS
calife [-] [login] or ... [-] [login] for some sites (check with your administrator). DESCRIPTION
Calife requests user's own password for becoming login (or root, if no login is provided), and switches to that user and group ID after veri- fying proper rights to do so. A shell is then executed. If calife is executed by root, no password is requested and a shell with the appro- priate user ID is executed. The invoked shell is the user's own except when a shell is specified in the configuration file calife.auth. If ``-'' is specified on the command line, user's profile files are read as if it was a login shell. This is not the traditional behavior of su. Only users specified in calife.auth can use calife to become another one with this method. You can specify in the calife.auth file the list of logins allowed for users when using calife. See calife.auth(5) for more details. calife.auth is installed as /etc/calife.auth. FILES
/etc/calife.auth List of users authorized to use calife and the users they can become. /etc/calife.out This script is executed just after getting out of calife. SEE ALSO
su(1), calife.auth(5), group(5), environ(7) ENVIRONMENT
The original environment is kept. This is not a security problem as you have to be yourself at login (i.e. it does not have the same security implications as in su(1) ). Environment variables used by calife: HOME Default home directory of real user ID. PATH Default search path of real user ID unless modified as specified above. TERM Provides terminal type which may be retained for the substituted user ID. USER The user ID is always the effective ID (the target user ID) after an su unless the user ID is 0 (root). BUGS
The MD5-based crypt(3) function is slower and probably stronger than the DES-based one but it is usable only among FreeBSD 2.0+ systems. HISTORY
A calife command appeared in DG/UX, written for Antenne 2 in 1991. It has evolved considerably since this period with more OS support, user lists handling and improved logging. PAM support was introduced in 2005 to port it to MacOS X variants (Panther and up). AUTHOR
Ollivier Robert <roberto@keltia.freenix.fr> BSD
September 25, 1994 BSD