Debian Tutorials

Debian Tutorials


Step by step tutorials showing you how to install and configure various applications and services on Debian based Linux distros.

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How to upgrade from wheezy to jessie

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Follow these steps to upgrade your system from Debian Linux 7 (Wheezy) to Debian Linux 8 (Jessie).

Compatibility

This tutorial has been tested on the following Linux distributions:

Debian Linux 7 (Wheezy)

Last updated:
27th of March 2018

1. Update all packages currently installed to the latest wheezy versions

apt-get update
apt-get upgrade

2. Replace all occurrences of wheezy with jessie in the apt sources file (pico /etc/apt/sources.list). Here’s an example of what the file could look like after the change:

deb http://ftp.debian.org/debian/ jessie main contrib non-free
deb http://security.debian.org/ jessie/updates main contrib non-free

3. Update apt repository

apt-get update

4. Upgrade all packages

apt-get dist-upgrade

5. Restart the system

reboot

6. Verify that the system is updated to Debian Linux 8 (Jessie)

cat /etc/debian_version

It should read version 8.0.0 or greater

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