Add Search Domain for DNS in CentOS 8

There is no option in network configuration GUI menu for search domain. Following steps can be used to add search domain.

• Modify file /etc/sysconfig/network-scripts/ifcfg-<interface_name>
• Add line SEARCH=<search_domain>
• Restart NetworkManager by run command systemctl restart NetworkManager

References

How to configure static DNS and Search domain for Redhat / CentOS and Redhat Linux