Debian upgrade from 7.x wheezy to 8 jessie

Debian Project released the stable release of Debian 8 on April 25th 2015 and the new project code name is jessie, After almost 24 months of constant development. which will be supported for the next 5 years. Debian 8 ships with a new default init system systemd. lot of improvement on UEFI (“Unified Extensible Firmware Interface”) support. It offers support for two new architectures, arm64 and ppc64el.

What’s new in Debian 8

  • Apache 2.4.10
  • Asterisk 11.13.1
  • GIMP 2.8.14
  • GNOME 3.14
  • GNU Compiler Collection 4.9.2
  • Icedove 31.6.0
  • Iceweasel 31.6.0esr
  • KDE 4.11.13
  • LibreOffice 4.3.3
  • Linux kernel 3.16.7-ckt9
  • MariaDB 10.0.16
  • MySQL 5.5.42
  • Nagios 3.5.1
  • OpenJDK 7u75
  • Perl 5.20.2
  • PHP 5.6.7
  • PostgreSQL 9.4.1
  • Python 2.7.9 and 3.4.2
  • Samba 4.1.17
  • Tomcat 7.0.56 and 8.0.14
  • Xen Hypervisor 4.4.1
  • Xfce 4.10
  • more than 43,000 other ready-to-use software packages, built from nearly 20,100 source packages.
  • For more details
  • Note : 1) Don’t forget to take backup of your important/valuable data. If something goes wrong we will install freshly and restore the data.
    2) Upgrade will take time (1074MB need to download for debian 8 jessie upgrade) based on your Internet connection

    1) Checking the current version of my Desktop

    See my current desktop version in the below snapshot.

    2) Backup the repository file

    Use the below command to backup your repository file.

    [email protected]:~$ cp /etc/apt/sources.list /etc/apt/sources.list.bk

    3) Modify the repository file

    use the below command to replace “wheezy” with “jessie”.

    [email protected]:~$ sudo sed -i 's/wheezy/jessie/g' /etc/apt/sources.list

    4) Run upgrade Debian 7.x to 8

    Now, its time to upgrade your Operating system from “wheezy” to “jessie”.

    [email protected]:~$ sudo apt-get update
    [email protected]:~$ sudo apt-get upgrade
    [email protected]:~$ sudo apt-get dist-upgrade

    Note: You will get few popup, just accept to complete the installation.

    5) Checking the upgraded version of my Desktop

    See my upgraded desktop version in the below snapshot.
    Go ahead and play with JESSIE and update your feedback.

Magesh Maruthamuthu

Love to play with all Linux distribution

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