configure-power

cat << EOF > /etc/polkit-1/localauthority/90-mandatory.d/nopowersave.pkla
[user suspend (logind)]
Identity=unix-user:*
Action=org.freedesktop.login1.suspend;org.freedesktop.login1.suspend-multiple-sessions
ResultActive=no
ResultInactive=no
ResultAny=no

[user hibernate]
Identity=unix-user:*
Action=org.freedesktop.login1.hibernate;org.freedesktop.login1.hibernate-multiple-sessions
ResultAny=no
ResultInactive=no
ResultActive=no

[user reboot]
Identity=unix-user:*
Action=org.freedesktop.login1.reboot;org.freedesktop.login1.reboot-multiple-sessions
ResultAny=yes
ResultInactive=yes
ResultActive=yes

[user shutdown]
Identity=unix-user:*
Action=org.freedesktop.login1.power-off;org.freedesktop.login1.power-off-multiple-sessions
ResultAny=no
ResultInactive=no
ResultActive=no
EOF