PREUN

/bin/sh

if [ $1 -eq 0 ]; then
    /sbin/service ksmtuned stop &>/dev/null || :
    /sbin/chkconfig --del ksmtuned
    /sbin/service ksm stop &>/dev/null || :
    /sbin/chkconfig --del ksm
fi

POSTIN

/bin/sh

getent group kvm >/dev/null || groupadd -g 36 -r kvm
getent group qemu >/dev/null || groupadd -g 107 -r qemu
getent passwd qemu >/dev/null || \
  useradd -r -u 107 -g qemu -G kvm -d / -s /sbin/nologin \
    -c "qemu user" qemu

/sbin/chkconfig --add ksm
/sbin/chkconfig --add ksmtuned

POSTUN

/bin/sh

if [ $1 -ge 1 ]; then
    /sbin/service ksm condrestart &>/dev/null || :
    /sbin/service ksmtuned condrestart &>/dev/null || :
fi