How to Secure /tmp on CentOS แบบ image files

cd /
dd if=/dev/zero of=tmpfile bs=1024 count=2048576
mkfs.ext4 -j /tmpfile
mount -o loop,noexec,nosuid,rw /tmpfile /tmp
chmod 1777 /tmp
echo "/tmpfile /tmp ext4 loop,rw,noexec,nosuid,nodev 0 0" >> /etc/fstab
rm -rf /var/tmp
ln -s /tmp/ /var/tmp
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