Upgrading was done by using the graphical up2date tool. There were no problems in
upgrade.
Upgrading RHEL requires purchase of the commercial license, and a registration to RHN (Red Hat Network). Start the
registration and upgrade process by clicking on the upgrade icon "(!)" on the right bottom corner of the desktop
panel.
Upgrading was done by using the yum tool. There were no problems in upgrade.
With yum, the upgrade is done with the following command: yum update.
The update server path used was: baseurl=ftp://ftp.chl.chalmers.se/pub/fedora/linux/core/updates/1/i386. The configuration file /etc/yum.conf contains the location of the update server.
The Debian installation was upgraded using the apt tool. There were no problems in
upgrade.
The commands for upgrade are: apt-get update; apt-get dist-upgrade.
Apt uses configuration file /etc/apt/sources.list to determine which server(s) to use for
upgrade. The update server path used was: deb http://non-us.debian.org/debian-non-US unstable/non-US
main contrib non-free
Slackware can not be upgraded from an online repository. Slackware cannot be upgraded without full reinstallation
or by manual upgrading package by package.