Where I had great difficulties trying to get OMSA to install let alone work in Oracle's Enterprise Linux 4 (u5 and above), I am happy to report that I got it working out-of-the-box after an install of my custom 5u3 image, following the instructions on the OMSA Repository Wiki. A simple http proxy setting, the wget boot strap line to configure yum and the dependencies and I was in business! Excellent work, Dell!
Just found a great tip to prevent timeouts of PuTTY sessions. I'm fine with timeouts by the host, but in our case the firewall kills sessions after 30 minutes of inactivity... When using PuTTY to ssh to your Linux/Unix servers, be sure to use the feature to send NULL packets to prevent a timeout. I've set it to once every 900 seconds, i.e. 15 minutes... See screenshot on the right.
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