Bonehead Move, noexec
Ulrich Drepper
drepper at redhat.com
Fri Feb 16 15:21:59 UTC 2007
Andy Green wrote:
> bash: ./ls: Permission denied
> $ /lib/ld-linux.so.2 ./ls
> ...
Try that on a rawhide system. There was a kernel bad which Linus
finally fixed in the 2.6.19 (or .20?) kernels.
Partitions are terribly useful. There several useful mount flags:
noatime, noexec, nodev, nosuid
By using several partitions (I always have /, /boot, /tmp, /home, /var,
/var/tmp, /usr) I have fine grained control over setting these flags
without affecting existing programs.
This is in addition to have partitions like / and /boot on RAID1
partitions while not being burdened to do this for all the system.
If anything, people should use more partitions, not less.
--
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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