Hello Linux Geeksters. As you may know, Ubuntu 15.04 Vivid Vervet will be released tomorrow.
It will be the first Ubuntu system to use systemd as the default init service manager, the locally integrated menus will be enabled by default, Kernel 3.19.3 will be used by default and the system will also bring the Ubuntu Touch Web Browser, while the default one is still Firefox.
Upgrade instructions, Ubuntu 14.10 to Ubuntu 15.04:
In order to upgrade your system to Ubuntu 15.04 Vivid Vervet, you have to perform a regular system upgrade:
$ sudo apt-get update
$ sudo apt-get dist-upgrade
Install the update-manager-core if it is not already available, and run the upgrade:
$ sudo apt-get install update-manager-core
$ sudo do-release-upgrade
Upgrade instructions, Ubuntu 14.04 to Ubuntu 15.04:
In order to upgrade your system to Ubuntu 15.04 Vivid Vervet, you have to perform a regular system upgrade:
$ sudo apt-get update
$ sudo apt-get dist-upgrade
Install the update-manager-core if it is not already available, and run the upgrade:
$ sudo apt-get install update-manager-core
$ sed 's/normal/lts/g' /etc/update-manager/release-upgrades
$ sudo do-release-upgrade