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The appliance IP addresses are static by default. Hence, changing the IP address of the appliance is requires a 4-few steps process.

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

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

   Change the values of IPADDR and NETMASK fields

   Code Block
   language text title ifcfg-eth0
   #My IP description # IPv-4 DEVICE="eth0" NM_CONTROLLED="yes" ONBOOT=yes HWADDR=00:ee:dd:cc:bb:aa TYPE=Ethernet BOOTPROTO=static NAME="System eth0" UUID=aaaabbbb-7777-8888-9999-aaaabbbbcccc IPADDR= 192.168.0.100 NETMASK=255.255.255.0

   Use the command - ip addr show to see a device's IP address

   When the appliance is moved to a different network subnet - Change the Default gatewayYou 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

   Change the value of the GATEWAY field in the file

   Code Block
   language text title /etc/sysconfig/network
   NETWORKING=yes HOSTNAME=server1.example.com GATEWAY=192.168.0.1 [...]

   Use the command - ip route show to see a device's IP address

   Change DNS name (Optional step) - DNS can be added or changed in the file /etc/resolv.conf 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

   Change or add Domain Name Servers if required.

   Code Block
   language text title resolv.conf
   [...] nameserver 192.168.1.1 nameserver 192.168.1.2 [...]

4. Restart the network service:

   Code Block
   language bash title restart network services
   servicesystemctl restart network restart

   Edit the /etc/hosts file

   Change all the entries referring to the

5. Update hosts file and replace the old IP address to use with the new IP address. For example:

   Code Block
   language bash title restart network services
   192.168.65.175 montier-management 192.168.65.175 montier-syslog 192.168.65.175 montier-wsm 192.168.65.175 montier-ext-eth

   No need to change entries using the IP address 127.0.0.1

6. Stop and Start all system services.
7. In the web console navigate to system → nodes and edit the IP address of the agents in your data node raw.
8. Re-configure syslog for the default domain on each monitored device (the Setup Syslog for device  on the Device Management section

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

9. 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;

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

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