We've been using Solaris 10 on Sparc and x86 for years. With the recent Oracle takeover and the lack of OSS movement (updates) from Sun (too little, too late), we've been moving all of our Apache and MySQL servers to RHEL 5.7. In most cases we've stayed on the same exact Egenera Nehalem pBlades and used the same SAN storage. So all the hardware is exactly the same. The speed increase comparison between Solaris 10 and RHEL has been nothing short of amazing. Seems like everything goes faster...

Do you document your admin procedures? Tired of spending three hours learning how to configure something new or troubleshoot a problem, only to relearn all about it 11 months from now. Write the how-to in your own words so you understand it better.

We use MediaWiki servers for our run-books (site books). I'm not sure what "you" call them, but they are an invaluable asset to an aging team of developers and admin staff, like myself.

If you're not already using...