config/chroot_local-hooks/05-disable_swapon

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