Add the PPA source in ubuntu11.10 and install Firefox 13

First, it is explained that PPA refers to the personal package archives ). There are a lot of software, for various reasons, cannot enter the official Ubuntu software repository. For the convenience of ubuntu users, the Ubuntu Launchpad website (https://launchpad.net/) provides the source service PPA, allowing individual users to upload software source code, compile through Launchpad and release it as a binary package, as an apt/new source for other users to download and update. PPA is also used to test software that is going to enter the official Ubuntu repository, or new versions of some software. PPA
The above software is quite rich. If you cannot find the required software in the official Ubuntu repository, you can go to PPA to find it. After the PPA source is added to Ubuntu, the software can be directly installed in the Software Center and the upgrade will be automatically prompted. This is the convenience of ubuntu, now let's look at how to add the PPA software source.
The following describes how to add the PPA source of firefox13 alpha2 (Firefox Aurora:
First, log on to the https://launchpad.net/ubuntu/+ppas site, in the text box in the position of the enter to find the software name, here in Firefox Aurora as an example, and then click the [Search] button to list the search results:

2. Click the Firefox Aurora builds link above to go to the project page, for example:

Note: The red circle above is PPA.

3. In versions earlier than Ubuntu 9.10, You need to manually add the source address, key, and other content when adding a PPA. This article will not go into detail. The 9.10 and later versions simplify this operation by executing the following command:

Sudo add-Apt-repository PPA: User/PPA-name

Replace the PPA: User/PPA-name part with the red circle in the figure above, as shown below:

Sudo add-Apt-repository PPA: Ubuntu-mozilla-daily/Firefox-Aurora

Open the terminal and enter the preceding command to add the PPA.

Other methods for adding the PPA source (if the above three steps have been completed, you can directly jump to Step 4, this section only provides another alternative to the above three steps ):

In fact, you can also add a PPA source by editing a file or using a graphical interface. The following describes how to add a PPA source through the graphic interface (very simple ). First, generate the apt line: In the page of the second figure above (the address of this page is: https://launchpad.net /~ Ubuntu-mozilla-daily/+ archive/Firefox-Aurora), click [Technical Details
About this PPA] link, shown as follows:

Select the Ubuntu version. I have to use 11.10. After the selection, generate the apt line as follows:

Copy the first sentence in the figure above: debhttp: // ppa.launchpad.net/ubuntu-performanilla-daily/firefox-#ra/ubuntuoneiric
Main, then open the [software source] program in the graphic interface, for example, (I use xfce, and other graphic interfaces are similar)

Paste the copied content in the apt line below and click Add source:

As shown in:

Click CLOSE. the PPA source is added!

4. Run the following command to Update Firefox:

Sudo apt-Get update

5. Start Firefox installation (just like installing a program in the Ubuntu Software Center). Run the following command: sudo apt-Get install Firefox to start Firefox, as you can see, my firefox11 has changed to firefox13, for example:

Note: If the original version of Firefox is running during installation, you must restart Firefox to update it to the latest version after installation.