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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
On Mon, 8 Oct 2007, Gilbert Sebenste wrote:
On Mon, 8 Oct 2007, Dan Vietor wrote:My recommendation is that Linux has now gotten to the point where upgrades are just not feasible. There are too many packages, too many hardware configurations and too many options to do upgrades. My horror on going from Core 6 to 7 confirmed this. I now believe reinstall is the only realistic option. I won't do an upgrade for other Fedora systems.Absolutely. I stopped doing this with Fedora 1. Just way too many gotchas.
I've been using linux for about 12 or 13 years now and the only systems that I've had reliable version upgrades on were Debian Linux. For some reason they really seem to get things right, including their package dependancies. For all others I'll do a clean install.
I've worked with CentOS a bit and it really is RedHat for all practical purposes. Very well done. I won't go near Fedora as it really behaves more like a beta than a well tested release. Too many annoying issues. Personally, I lean towards Slackware and FreeBSD but that's just me. I've had far fewer issues with either of those systems.
When I install a Linux system, I do a manual partition with a 5GB "/var" or larger for web servers, a 10GB "/" for the OS and the rest of the disk in "/home". This means you can reload without blowing everything away. I just reformat the "/" and "/var" partitions and then all your data remains.I prefer to blow it all away, backing things up from the start, on one partition. Unless you have multiple drives, if the drive go, so does everything else.
I create two 10GB primary partitions when I build a host. One will be the root partition and the other will become the root partition for the next upgrade. I keep home and any other data on separate partitions or physical disks (depending on the need). This makes it so I can revert to the old system in a pinch or at least have the old configurations available for reference while setting up the OS after an upgrade. It also makes backup and restoring the OS very simple and independent of data.
Mark Tucker Meteorology Dept. Systems Administrator Lyndon State College http://apollo.lsc.vsc.edu mark.tucker@xxxxxxxxxxxxxxx (802)-626-6328
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