保持对新东东的强烈好奇，折腾了大半天，把Kubuntu15.04升级到了Kubuntu15.10。
强烈建议不要直接升级，为什么呢?太花时间，就算你网速快(目前10M网络)，没vpn啥的，
升级花的时间太久了，当然你如果早上开机，晚上基本上就升级好了。
直接下载镜像安装快很多，如果你也像我这样无聊，下面可以帮助到你。
You will need to:
- Ensure your laptop is connected to power.
- Ensure 15.04 is updated.
- Run the release upgrade tool.
- Reboot.
Ensure your laptop is connected to power
Ensure 15.04 is updated
Run Muon Update Manager
Use <alt> <F2> to bring up krunner, and type muon and select Muon Update Manager
Select Install Updates
Install additional software
Supply your sudo password
Wait for updates to install
Re-boot if suggested
Run Muon Update Manager Again
Restart Muon Update Manager and it will notify you of an upgrade, click “Upgrade”.
Supply your sudo password
The Release Upgrade tool will be downloaded and started
Allow the upgrade to start
Select Upgrade.
Then Start Upgrade; it will download and install 15.10.
Wait (approximately an hour)
Enjoy a cup of coffee.
Restart your computer
It will ask you to restart your computer. Ensure you have no unsaved work open and click Restart Now.
Welcome to Kubuntu 15.10
Your computer should boot into Kubuntu 15.10, with the new Plasma 5.4.1 desktop
