config/chroot_local-hooks/05-disable_swapon

   1 #!/bin/sh
   2
   3 set -e
   4
   5 # Disable swapon to avoid initscripts to setup swap space.
   6 # Rationale: security-in-depth model.
   7
   8 SWAPON=/sbin/swapon
   9
  10 # Move any /sbin/swapon installed by any package out of the way,
  11 # now (--rename) as well for any future one (hint: apt-get upgrade...).
  12 dpkg-divert --rename --add /sbin/swapon
  13
  14 # Install a custom noop swapon executable instead.
  15 cat > $SWAPON << 'EOF'
  16 #!/bin/sh
  17 /bin/true
  18 EOF
  19 chmod 755 $SWAPON