Troubleshooting IBM Installations

Opening Port 12345

For default IBM Power9 systems with RHEL 7 installed, be sure to open port 12345 in the firewall. For example:

firewall-cmd --zone=public --add-port=12345/tcp —permanent
firewall-cmd --reload

Growing the Disk

Some users may find it necessary to grow their disk. An example describing how to add disk space to a virtual machine is available at The steps for an IBM Power9 system with RHEL 7 would be similar.