Firewall and iptables
firstly the iptables was accidentally wiped when trying to mount marvin to kennedy. SGE failed and so did ldap authentication from the nodes on new users.
solution for ldap
Fixed. Ldap is not ldap. It is smbladp which listens on port 1544. OPen up port 1544 (see below on how to open up ports)
service slapd restart
How to turn on and off firwll and save to iptables. https://www.cyberciti.biz/faq/turn-on-turn-off-firewall-in-linux/
/etc/init.d/iptables save /etc/init.d/iptables stop
SGE stopped working:
Got it working was on port 6444
To open firewall ports. Log in as root, but ssh as root with -x
"other ports" on the left - open the bad boys you want open.