How do I upgrade to the development release (aka. Ubuntu+1)?
The truly command line way is (e.g. if you don't have a gui):
sudo do-release-upgrade -d
-d means update to a development version
Upgrade the operating system to the latest release from the command-line. This is the preferred command if the machine has no graphic environment or if the machine is to be upgraded over a remote connection.
-h, --help show help message and exit -d, --devel-release Check if upgrading to the latest devel release is possible
Press Alt + F2 and type
update-manager -d. On the top of the window you will see an info of the new Ubuntu+1 "release".
However, upgrading to a development release is not recommended, as it is a unstable release.
See this question for tips when you have problems: There's an issue with an Alpha/Beta Release of Ubuntu, what should I do?
There are two ways to upgrade:
- Upgrade using update-manager
- Upgrade using alternate cd
However note it is not recommended to upgrade it to Ubuntu+1, since it is not stable.
Upgrade using update-manager:
Press Alt+F2 and then type
update-manager -d. When update manager appears then click on upgrade.
Upgrade using alternate cd:
You can also upgrade using the alternate cd. After downloading the latest build then press Alt+F2 and enter
Because it is a development release, you will almost certainly have problems. See: There's an issue with an Alpha Release of Ubuntu, what should I do?