Linux Security: Mount /tmp With nodev, nosuid, and noexec Options

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https://www.cyberciti.biz/faq/linux-add ... artitions/

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## Bind /var/tmp to /tmp
 mount -o rw,noexec,nosuid,nodev,bind /tmp/ /var/tmp/

## Remount /tmp
 mount -o remount,noexec,nosuid,nodev /tmp

## Remount /dev/shm
 mount -o remount,noexec,nosuid,nodev /dev/shm