tmp can be secured to be noexec in 1 minute, no reboot required. Nothing can execute there – /var/tmp remains a risk – unless that is mounted separately also: /dev/VolGroup00/LogVol02 /tmp ext3 defaults,nosuid,noexec 1 2 edit the /etc/fstab file, then do a mount -o remount and it will remount /tmp and you are set – [...]
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