RE: sametime 8.5.1 can't install on CentOS 5? Ben H Williams 17.Sep.10 04:16 AM a Web browser Sametime Entry 8.5.1Linux
It's not a supported OS but you can make it look like it is a supported platform. I haven't come across the message you get but certain install scripts fail so I have to run the following remembering to reverse it after the install has completed.
sudo cp /etc/redhat-release /etc/redhat-relase.bak
sudo rm /etc/redhat-release &&
echo "Red Hat Enterprise Linux Server release 5 (Tikanga)" | sudo tee -a /etc/redhat-release
then when done: sudo mv /etc/redhat-relase.bak /etc/redhat-release