add_users_groups() {
	add_group bwlp 1000
	add_group taskmanager 1001
	add_group ldadp 1002
	add_group vmware 1003
	add_group dnbd3 10002
	add_group images 12345

	# add_user: $1 username, $2 num. uid, $3 prim. (num.) gid, ($4 optional, other group)
	add_user bwlp 1000 1000
	add_user taskmanager 1001 1001
	add_user ldadp 1002 1002
	add_user_nohome vmware 1003 1003
	add_user dmsd 10001 12345 12345
	add_user_nohome dnbd3 10002 10002
	adduser www-data adm # So the webif can read /var/log stuff
	adduser dnbd3 images # Put dnbd3 user into images group so it can write the NFS share
	adduser bwlp sudo # bwlp is the main user, as we disallow ssh login as root

	echo "# disable root login, set default password for bwlp"
	usermod -p "*" root
	echo "bwlp:$DEFAULT_OPENSLX_PASSWORD" | chpasswd || perror "Error setting default password for bwlp"
}