We have several Desktop PCs that have Fedora 14 installed, but we need a Linux distro that doesn't need a reinstall every half year (no, dist-upgrade is not an option). We found Scientific-Linux, and according to the roadmap we have two options:
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We install 6.1 with GNOME, and use it for desktop purposes, we will have updates until 2017-11-11 — more then 6 years!
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We install the "rolling release".
I haven't used any "rolling release" based Linux distros, so I don't know what that exactly means. Does it mean that if I install it once, we never need to re-install again because of a version upgrade? For example, Scientific-Linux 7 comes out, and I don't need to do a dist-upgrade?
Best Answer
You definitely want to go with option #1. From Questions about version numbers:
The rolling option has a much larger likelihood of introducing significant unwanted changes to your systems than option #1 has.
Either way, I guarantee you that Fermilab and CERN aren't doing dist-upgrades to their systems every 6 months. Scientific Linux supports this by making their Security Errata repository available, which includes the security patches for your specific release of SL. They specifically state that this removes the requirement for administrators to upgrade their systems with each release.
From How To Upgrade To The Latest S.L. 6.x Release:
You were spot on about one thing, though. SL is "f*cking great for an Enterprise". :)