Friday, 31 January 2014

Settings for EMC Netwoker agent on Linux

After you have installed EMC Networker agent on your Linux OS, it is time to adjust system settings.


To enable communication of Networker agent with Networker server ou have to open this range of ports:
TCP from 7937 to 9936.

If you iptables are down, you won't need to do anything and your. Your iptables look like this then:

# iptables -nL
Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

In case that your iptables are up, you have to insert new rule. You can open these ports for IP addresses but it is wise to only allow it for you Networker server.

#iptables -I INPUT 10 -p tcp --dport 7937:9936 -s -j ACCEPT

Above iptables rule will insert in line 10 of chain INPUT for protocol tcp and ports from7937 to 9936 from source address with ACCEPT condition.

In your iptables you will have this entry:
# iptables -nL |grep 79
ACCEPT     tcp  --            tcp dpts:7937:9936

Don't forget to save your new iptables rules!

# service iptables save
iptables: Saving firewall rules to /etc/sysconfig/iptables:[  OK  ]

OS files

It is very wise to insert line for your Networker server in /etc/hosts file networker_server.your_domain networker_server

This is important because Networker server and client do now work with IP addresses but with DNS names. In case that you cannot reach you DNS server this line is crucial.

Feedback if your comuniccation is working will be gave to you by your backup admin and your network admin so good with them is crucial!

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