Updating to lenny from etch

First, upgrade the core tools aptitude and apt, enter: Above two commands will automatically upgrade libc6 and other support libraries.Some running services will be restarted, including ssh, rsyncd xdm, gdm and kdm etc. It is time to apply system update, enter: Above will update the rest of the system i.e.This is currently in testing so it is not recommended to use these instruction in production.deb lenny main contrib non-free deb-src lenny main contrib non-free deb lenny/updates main contrib non-free The above example is for a system using the main UK mirrors; your file might use a different local one WARNING: if for some reason your apt sources doesn’t use etch, but “stable” then your apt commands will start to use lenny the moment it is released.

The main things you'll want to back up are the contents of directory. parts of the Mozilla suite, and the GNOME and KDE desktop environments) are known to overwrite existing user settings with new defaults when a new version of the application is first started by a user.Perform upgrade After changing apt sources we need to update source list using the following command Note:-dist-upgrade was renamed to full-upgrade in lenny’s aptitude; or you can use:apt-get dist-upgrade This will take a while depending on what packages you have installed (that will need to be upgraded) and on your internet connection speed.After this is done you will have to reboot your system in order to activate the kernel upgrade to the lenny 2.6.26 kernel.The upgrade process is quite reliable, but a hardware failure in the middle of an upgrade could result in a severely damaged system, so make a full system backup.Make sure etch is up to date and all security patches including kernel installed: # Main deb lenny main contrib non-free deb-src lenny main contrib non-free # Security deb lenny/updates main contrib non-free deb-src lenny/updates main contrib non-free Save and close the file.This can result in wrongfully performing the upgrade while you don’t want to do this or even upgrade by mistake.

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