PBS setup execution node

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To setup PBS execution node use:

1. Download & Install pbs packages using:

   wget http://wpc.23a7.iotacdn.net/8023A7/origin2/rl/PBS-Open/pbspro_19.1.2.centos_7.zip
   unzip pbspro_19.1.2.centos_7.zip
   cd pbspro_19.1.2.centos_7
   yum localinstall -y ./pbspro-execution-19.1.2-0.x86_64.rpm

2. Edit master hostname in '/etc/pbs.conf' as:

   PBS_SERVER=<rocks-master-hostname>    //Ex: master

   Here use short name such as rocks2, master without using FQDN

   The short name should resolve to master private IP via /etc/hosts

3. Source the files using:

   source /etc/profile.d/pbs.sh
   source /etc/pbs.conf

4. Enter master node details in '/var/spool/pbs/mom_priv/config'

   $clienthost <rocks-master-hostname>      //Ex: master

5. Start the pbs

   systemctl start pbs

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