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
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.