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Complete, Concrete, Concise » Ubuntu 12.04 » Ubuntu 12.04 – How to Install the LXDE Desktop

Ubuntu 12.04 – How to Install the LXDE Desktop

These instructions are for installing the Lightweight X11 Desktop Environment (LXDE) in Ubuntu 12.04 running the Unity Desktop.

Installation instructions may be the same or similar for other versions of Ubuntu or for other Linux distros, but no guarantee is made.

LXDE includes the desktop environment as well as a number of applications. Some of these applications perform the same or similar functions as applications already installed with Ubuntu 12.04.

To install just the desktop without additional applications, I recommend installing the LXDE Core desktop. Installation instructions can be found here.

For a complete “Ubuntu” experience using the LXDE desktop consider installing the Lubuntu Desktop. This is the core Ubuntu system configured to use LXDE as its desktop. It also includes many applications that perform the same or similar functions as applications already installed with Ubuntu 12.04. Installation instructions can be found here.

An article listing alternative desktops for Ubuntu 12.04 can be found here.

If you are changing desktops because you are totally lost / confused by Unity, I suggest reading this tutorial and giving Unity a chance.

Of course, if you really hate Unity, then LXDE is an alternative desktop.

LXDE will install 46.9MB of files and data to your hard disk.

Some images may be clicked for full sized versions.

What it Looks Like

The basic, straight-out-of-the-box, look of the desktop is:

From the Command Line

If you are comfortable with Linux and know how to use the command line and apt-get then the command is:

sudo apt-get install lxde

Detailed instructions for accessing a command line can be found here.

Afterwards, restart your system. It should be enough to just log out and the log back in with the new desktop, but it doesn’t hurt to restart.

From the Ubuntu Software Center

Some images may be clicked for full sized versions.

1) Launch the Ubuntu Software Center by clicking the icon on the Launcher:

2) Enter lxde into the search field. This will bring up related entries.

3) Click on the entry LXDE (the Lightweight X11 Desktop Environment) – this will highlight it in orange:

4) Click on Install:

5) Enter your password and click Authenticate:

6) After installation is finished, click on the System icon in the upper right corner of the desktop and select Shut Down… from the drop down menu:

Note: it may be enough to just log out and log back in using the new desktop, but it doesn’t hurt to restart either.

7) Click on Restart:

Selecting the Desktop

After the system has restarted, it is necessary to select the new desktop from the login screen.

It is only necessary to select the desktop the first time after installation. Ubuntu will remember your your desktop for future logins.

You can even install multiple desktops and switch between them.

8) Click the icon in the top right of the Login box:

9) Select LXDE:

LXDE is built on top of Openbox and GNOME/Openbox, which is why their entries also appear in the desktop menu.

They can be safely ignored.

10) Login:

Notice the icon in the upper right hand corner has changed to an open circle. Some, not all, desktop environments will present an icon there.

This provides a quick way to know which desktop environment you are logging into.

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