Basic Sudo Issue!!

Ben Ricker bricker at
Thu Jul 24 09:56:08 EDT 2003

You sudo config looks correct.

The 'Command not found' is most probably due to a path issue for dummy1.
Is sudo in their path? type 'which sudo' to find out. If that is in
there path, then ipchains is not in their path. Most normal users do not
get /sbin pathed. Try typing 'sudo /sbin ipchains blah'.

Ben Ricker

On Thu, 2003-07-24 at 08:57, Lucas Clark wrote:
> Hi All,
> We are a small team of co-op students with no sudo experience. Recently we
> have been forced to use it as the only method of solving a particular
> problem. Namely, we need to run "ipchains" when logged in as an user other
> than root.
> Mainly by looking at examples, we were able to patch the following sudoers
> file together. Yet we can't get it to work. We want for the dummy1, dummy2
> users to be able to run Ipchains without a password.
> 	# Host alias specification
> 	Host_Alias
> 	# User alias specification
> 	User_Alias      IPCHAIN_ADMIN=dummy1,dummy2
> 	# Cmnd alias specification
> 	Cmnd_Alias FW_SCRIPT=/sbin/ipchains
> 	# Defaults specification
> 	# User privilege specification
> 	root    ALL=(ALL) ALL
> We are not sure if we should specify =(root), because IPchains can be run by
> the root only.
> or
> Can anyone tell us if this is correct. Also, how do we actually use sudo
> from the command prompt? We've tried typing "sudo ipchains - L" when logged
> in as the user "dummy1", but we get a "command not found" error?
> Any help would be greatly appreciated. 
> Thanks
> Lucas Clark
> Rogers AT&T Wireless
> Engineering
> Network Strategy 
> Email: lclark11 at
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