+NOTE: Apt `sources.list` configuration files are basically the same as
+in newer 4.x versions - just replace `jessie` with `wheezy`.
+
+Outdated: `stable` Repository `pve`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+This repository is a leftover to easy the update to 3.1. It will not
+get any updates after the release of 3.1. Therefore you need to remove
+this repository after you upgraded to 3.1.
+
+.File `/etc/apt/sources.list`
+----
+deb http://ftp.debian.org/debian wheezy main contrib
+
+# PVE packages provided by proxmox.com - NO UPDATES after the initial release of 3.1
+# deb http://download.proxmox.com/debian wheezy pve
+
+# security updates
+deb http://security.debian.org/ wheezy/updates main contrib
+----
+
+
+Outdated: {pve} 2.x Repositories
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+{pve} 2.x is based on Debian 6.0 (``squeeze'') and outdated. Please
+upgrade to latest version as soon as possible. In order to use the
+stable `pve` 2.x repository, check your sources.list:
+
+.File `/etc/apt/sources.list`
+----
+deb http://ftp.debian.org/debian squeeze main contrib
+
+# PVE packages provided by proxmox.com
+deb http://download.proxmox.com/debian squeeze pve
+
+# security updates
+deb http://security.debian.org/ squeeze/updates main contrib
+----
+
+
+Outdated: {pve} VE 1.x Repositories
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+{pve} 1.x is based on Debian 5.0 (``lenny'') and very outdated. Please
+upgrade to latest version as soon as possible.
+