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1. Change the IP address (IPADDR) of the network interface, and if required also the network subnet mask (NETMASK), by editing the network interface configuration file (e.g.: for network interface eth0):

   Code Block
   language bash
   vi /etc/sysconfig/network-scripts/ifcfg-eth0

   You may use the command ip a to display the list of current IP addresses and network interfaces.

2. [Optional] If the appliance’s network subnet has changed, change the default gateway (GATEWAY) by editing the network configuration file:

   Code Block
   language bash
   vi /etc/sysconfig/network

   You may use the command ip route to display the current routing configuration.

3. [Optional] If the DNS configuration has changed, change the name servers (nameserver) by editing the DNS configuration file:

   Code Block
   language bash
   vi /etc/resolv.conf

4. Restart the network service:

   Code Block
   language bash
   systemctl restart network

5. Update hosts file and replace the old IP address with the new IP address:

   Code Block
   sed -i "3,1000 s/<Old IP Address>/<New IP Address>/" /etc/hosts

6. Run the following SQL using ij utility:

   Code Block
   update node set agentsIp='<New IP Address>' where agentsIp='<Old IP Address>'; update node set restClientAddress='https://<New IP Address>' where restClientAddress='https://<Old IP Address>'; UPDATE HatsRecurringTask SET isEnabled = true where tasktype = 'POST_UPGRADE'; quit;

7. Stop all the application services using app-util.sh → option 2 (stop all)

8. Start all the application services using app-util.sh → option 1 (start all)

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