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Allow a user use a specific root command!

 
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Top Forums UNIX for Dummies Questions & Answers Allow a user use a specific root command!
# 1  
Old 01-07-2010
Bug Allow a user use a specific root command!
Hi,
I like to allow an user to permit an root command " /usr/ucb/ps -auxwww", do you know how?

Kind regards
Mehrdad
# 2  
Old 01-07-2010
Install sudo and add this to the sudoers file (using visudo)
Code:
user ALL = (root) /usr/ucb/ps -auxwww

If the user should be able to do this without being prompted for a password:
Code:
user ALL = (root) NOPASSWD: /usr/ucb/ps -auxwww

# 3  
Old 01-07-2010
Why we have to go for sudo ?

What about giving just execute permission to that file. And if need be setting set-user-id bit.
# 4  
Old 01-07-2010
thegeek - what you suggest is a security hole, IMO. It means anybody can excute the command. sudo was built explicitly for the task described - give one-off access to restricted commands & files to one user and run them as root.
# 5  
Old 01-14-2010
So what if everybody can use the command? It's just informative!
# 6  
Old 01-14-2010
First, and IMO foremost, it sets a bad precedent. Users might start thinking that getting privileges that way isn't a problem.
Second, it opens that command up for everyone, not just certain selected people. That might create a security hole. After all, knowing a password isn't a security hole by itself, it's just informative too (Note: this is just an example).
# 7  
Old 01-14-2010
Assuming this is Solaris 10, the issue is discussed at length here:

The Linux and Unix Menagerie: Old Style ps On Solaris 10
 
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