Joe Kisela on 18 Aug 2010 15:56:32 -0700

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  • From: Joe Kisela <>
  • To:
  • Subject: [PLUG] YAFSD
  • Date: Wed, 18 Aug 2010 18:56:27 -0400
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s1> ls -ld /tmp
drwxrwxrwt   4 root sys      797 Aug 18 18:25 /tmp
s1> ls -ld /tmp/target
lrwxrwxrwx   1 user other      8 Aug 18 18:25 /tmp/target -> /etc
s1> ls -ld /etc
drwxr-xr-x   2 root sysadmin   2 Aug 18 18:26 /etc
s1> mount /dev/sdX /tmp/target
s1> ls -la /etc/passwd
/etc/passwd: No such file or directory

that wouldn't work for multiple reasons.  You would need permissions to overwrite /etc, and PAM modules in general don't follow symlinks, for obvious reasons.  There really is nothing to worry about making a directory in /tmp for quick mounts and unmounts.  Heck, thats where I put all my NFS mounts.
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