On 06/12/2015 11:24 AM, m.roth at 5-cent.us wrote: > jd1008 wrote: >> On 06/12/2015 10:32 AM, Jonathan Billings wrote: >>> On Sat, Jun 13, 2015 at 10:16:28AM -0600, jd1008 wrote: >>>> That said, I wonder if centos has a counterpart to fedup, >>>> so that I can upgrade to centos 7.5. >>> AFAIK, nothing that's supported. There's the tool available here: >>> http://wiki.centos.org/TipsAndTricks/CentOSUpgradeTool >>> ... but it can leave your system in a broken state. >>> >>> (I'm assuming you mean migrating from CentOS6 to CentOS7. I have no >>> idea what CentOS 7.5 is. Typo?) >>> >> Yes, I meant to type 7.x (thinking that there might be newer releases. >> >> How hard would it be to port fedup to Centos? > I believe - what's it called, preup? - exists. I'll also note that the > overwhelming opinion is DON'T USE IT. > > One good reason: from one full release of an enterprise o/s to the next, > there are many major upgrades - packages goind from, say, 4 to 6, and the > odds are that will break your system, or what you run on it. This is one > reason that /home, and other locations for data are on separate partitions > - when you upgrade, you tell it install, custom install, format /boot and > /, and you won't lose anything. > > Counter example: torque, a cluster software package that we use heavily, > in the middle of CentOS 6.6, which is from EPEL, *suddenly*, with no > warning, went from 2.5.x to 4.2, which broke all of our clustering, and > killed a number of large jobs. We had to downgrade (and that was, um, > interesting, since EPEL did not see fit to either name the new package > something like torque4, and didn't leave the old one around to allow an > easy downgrade. Fortunately, we have a local mirror..... > > Now think of upgrading from 6 to 7, and having something like that hit you. > > mark > > That's depressing !! Reason I asked is because the centos7 release DVD does not support my NVIDIA Corporation G98M [Quadro NVS 160M] (rev a1) card. It is incredibly strange that it is supported by Centos 6.4 which installed from DVD without a hitch.