Added the relevent parts of the .config directory. Alss add ssh config

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+__Ganglia__ (https://uhhpc.herts.ac.uk/ganglia/) can be useful to see the state of nodes. 
+
+If a node goes down while a user’s job is running on it, the job will not terminate properly 
+and may flood the user’s inbox with notifications. If `Ganglia` or `showstate` report a node 
+is down, consider rebooting it with 
+
+`sudo rebootnode.pl nodexxx` 
+
+This will prompt you for the IDRAC password, which is `rianhs4b`. Once a node has been rebooted, 
+wait a few minutes, then check that you can ssh into it as a normal user and view your home 
+directory and /beegfs. If so, bring it back on line with 
+
+`sudo pbsnodes –c nodexxx` 
+
+If a node is misbehaving and you don’t want to/can’t reboot it, you can temporarily remove it 
+from the pool used the job control system with 
+
+`pbsnodes –o nodexxx` 
+
+– also reversed by 
+
+`pbsnodes –c` 
+
+