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ERROR: Command "firewall-cmd --state" failed: ([Errno 2] No such file or directory: 'firewall-cmd': 'firewall-cmd')

Problem Copied

After upgrading from OP5 monitor v8.4.0 to v9, it may exhibit an error below when running the install.sh

ERROR: Command "firewall-cmd --state" failed: ([Errno 2] No such file or directory: 'firewall-cmd': 'firewall-cmd').

The configuration of open ports via firewall-cmd happens at the absolute end of the installation script, so the application itself should be fine. It is best to check if the installation script can be modified (probably by submitting Jira ticket to Eng/Dev) to see if firewall-cmd is even installed before running the configuration of it.

Solution / Workaround Copied

Manually install the firewalld.

dnf install firewalld

Check if the firewall is successfully running.

systemctl status firewalld

To check if OP5 is successfully running from the CLI.

mon node status

If it shows active and green, they should be good.