[Discuss] su stopped working

[Alan W. Irwin]

On 2006-10-16 01:15-0700 Murray Strome wrote:

> Thanks, Noel.
>
> /bin/ping was not setuid either -- I have changed that.  It wasn't lately, 
> but could have been the cause of the problem because I think I may have 
> accidentally done a chmod -R before I went away on my last trip.  I don't 
> have tripwire installed. However, if I did accidentally use the chmod -R 
> incorrectly, lots of things are probably incorrect. Anyway to fix them 
> without reinstalling?

The other general possibility when you find strange things or strange
permissions on your system is that somebody or something has installed a
root kit.  Even if that possibility is small, it is still another motivation
for reinstalling.

Alan
__________________________
Alan W. Irwin

Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).

Programming affiliations with the FreeEOS equation-of-state implementation
for stellar interiors (freeeos.sf.net); PLplot scientific plotting software
package (plplot.org); the Yorick front-end to PLplot (yplot.sf.net); the
Loads of Linux Links project (loll.sf.net); and the Linux Brochure Project
(lbproject.sf.net).
__________________________

Linux-powered Science
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