Ubuntu inherits a very good feature of the Debian system: the APT software manager is used to manage all the software. Prior to this, software installation in Linux has been criticized-users need to solve the dependency between software and libraries themselves. This is usually a tedious analysis process. APT software manager is designed to change this situation.
APT software management principle diagram:
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For more information, see:
How to update and replace software sources in Ubuntu 14.04
Download, install, and configure Ubuntu 14.04
Ubuntu 14.04 system:
Ubuntu 14.04 text tutorial on hard drive installation in Windows 7
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APT places the software used by various versions of ubuntu in different categories on servers around the world (Server 1, Server 2... shown in the figure ......), To download and install software, you only need to specify a server on the Internet (marked with a red asterisk). APT will help you solve the software dependency problem.
To use APT, follow these two steps:
Step 1: specify a server. The principle is simple. Specify a one that you think is fast.
Find "Software Sources..." in "Edit", bring up the Software source List dialog box, and click the Download from drop-down box:
Find your country and select a server site you like:
Step 2: download the software list (such as the software name, dependency, version number, and so on) of the selected Site to the local device (/var/lib/apt/lists ), this process is called update, which can be done with one command:
Www.bkjia.com @ ubuntu :~ $