Problem Description
Two days ago some environment variables to configure Ubuntu system, suddenly discovered after the restart of the taskbar and menu bars are gone, even the Ctrl + Alt + T also tune not a terminal window to show only Desktop.
solution
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First, we need to end, provide two options here:
1.1 Ubuntu interface provides six characters, Ctrl + Alt + F1 ... F6 , you can follow the prompts to enter the command line interface.
1.2 New Desktop folder, double-click -> Computer-> usr-> share-> applications-> Terminal -
Input terminal command ccsm, start the management interface, if prompted not installed, the following command to install
1 sudo apt-get update
2 sudo apt-get install compizconfig-settings-manager
- After opening compizconfig, find Desktop-> Ubantu Unity Plugin, enable enough. The middle there will be prompted to open dependency, all the way to agree on it
- You may have a small partner does not Ubantu Unity Plugin this one, it does not matter, the following command to install
1 sudo apt-get update
2 sudo apt-get install --reinstall ubuntu-desktop
3 sudo apt-get install unity
- Here basically solved the problem
