Updating linux lenny
We suggest that before upgrading you also read the information in Chapter 5, Issues to be aware of for lenny.If you are upgrading remotely via an link it is highly recommended that you take the necessary precautions to be able to access the server through a remote serial terminal.The warning is harmless, because having one key to verify the Release file is enough, but just updating your Etch system once more before upgrading to Lenny should make the warning go away (version 20 of the Debian security team issues updates to packages in the stable release in which they've identified problems related to security.Please consult the security pages for information about any security issues identified in See the Change Log for details on changes between 5.0.0 and 5.0.10. It is recommended that you upgrade the system to latest version. In this tutorial, you will learn about upgrading Debian Linux server from Etch to Lenny over ssh session. I strongly recommend backing up all data and configuration files.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.
First, upgrade the core tools aptitude and apt, enter: Above two commands will automatically upgrade libc6 and other support libraries.
Debian Lenny’s release is getting closer and closer and many people will want to upgrade their Etch servers to Lenny, maybe even before Lenny is declared stable (at RC1 at this time).