The repository is a... Installing programs from the repositories and adding new repositories

Various programs or updates that have been used so far in Ubuntu solely installed from repositories. However, many users don't even know what it is and what is its main purpose.

What is it?

A Repository – a special place from which the user operating system to Ubunty can install all the updates or programs. If you have previously used operating systems Mac and Windows, you are probably already accustomed to the fact that the software consists of any one or several installation files that are provided to the user on specific storage media or can be downloaded through the Internet. For the operating system, Ubuntu also provides the option of software distribution, but is more specialized to closed or proprietary software.

A Repository – this is the place where contains a large part of the Ubuntu software, which is Packed in specialized files .deb with the content of the required libraries. Such files are quite often found on the Internet or on any removable media, even on a CD,installs the operating system itself.

The Repository as a universal repository of Ubuntu

However, seeing such files, many users may not even know about what constitutes a repository. This is a specialized storage server that hosts the files. In other words, the repository can be viewed as a source of applications, as users from their own computers connected to it through a Network or the Internet using specialized utility, you can then see what packages are currently already available on your computer and which can be installed. It should be noted that most utilities supports the procedure simple keyword search, and can break the packets into groups by category.

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Application bundles "software repository" – is the ability to use enough Prolog, and at the same time, centralized method of installation or removal of various software, as well as for users so much easier laid out various updates. In a fresh install of the operating system can already be the required repositories, but nobody forbids to use third-party data store.

The Ubuntu Repositories contain a huge number of different software, so it often happens that there is nothing difficult to find the required tool. Of course, you can just from the Internet to download some package files .deb or even try to compile program from source, but you must understand that this option is more time consuming and not always end up proving to be effective.

How to search for and install different programs?

Initially, using the Ubuntu repositories, you should assume that there is a certain task that needs to be solved by the utility, but you may not even know whether there is such and what it's called. However, it is likely that you know the program-counterparts used in other operating systems.

Using any Internet search engine, do you find you are interested in the options of the desired program, for example, typing the name of a similar utility in Windows, but appending to the query, “Ubuntu”. In the majority of cases the search engine will give you a few names of programs, it is worth noting the fact that they can be presented in large enough quantities, but to choose the best you can for reviews those users who already have time to use it. Virtually every utility has its own page on the Internet where you can see additional features, or to view screenshots.

Where to download the program?

Once you decide on the name of the desired program, you will need to launch Ubuntu software center, and then find it in the available list. Most likely, you will be able to find it and install it in a relatively short time. In addition, it is likely that the developers there are private repos for iOS 7 or other operating systems. In the majority of cases, these repositories are the most recent versions of programs that interest you, so if you want maximum efficiency, you should carefully inspect the site and use the search.

Just in case if you failed to find your desired program using the repository for your iOS 7 or other OS, you should try different installation options. Often it happens that those versions of software that are in the repositories, represent the older versions, but in fact there are often such situations when they are better integrated in Ubuntu, and in certain situations also differ more stable work.

Sections

The best Ubuntu repositories are divided into four sections, called components and are intended to reflect the page in the license, and the level available to the user support. Packages are divided into the following components:

• Main – absolutely free software that is supported by Canonical.
• Restricter – proprietary software which includes various device drivers. All utilities are also supported by Canonical.
• Universe – it is also free software that is not officially supported by Canonical, but is controlled by the community of users of the operating system.
• Multiverse – proprietary software, not having the support of Canonical.

Types of repositories

Also there are 5 main repositories:

• Release – packages that were released at the time of release.
• Release-security – packages, in which there are some critical security updates.
• Release-updates – the packages containing the updates of the system, including various more modern versions of software that were released after the official release.
• Release-backports-backports of all kinds belonging to new versions of certain software that is only available in unstable versions of Ubuntu.
• Partner – a repository, which contains various software companies that are partners of Canonical.

It is Worth noting that, in addition to the official, there are also other repos for iOS 8 and other operating systems. They may be the authors of certain utilities, as well as people who just decided from source to collect the full package, and then release it publicly available to other users.

Added via Launchpad

If you don't know how to add the repository, this will help you a Launchpad, providing the possibility of creating the PPA-repositories. These stores represent a relatively small packages in which the owner puts different source, and the output is the full deb of the document.

How to connect?

If a man is interested in his tool, he can own to figure out how to add the repository, then download the desired software. Because quite often it happens that in the Ubuntu repositories simply do not exist various utilities that may be needed to address those or other problems. For this reason, there are quite a large number of third-party repositories when you connect which you can access the required software. This can be done using a graphical interface, and console.

It is worth noting the fact that in some repositories, in addition to those packages which you need to appear various experimental Assembly of different software, including the kernel, which contain the Linux repository. As the version of these packages in the majority of cases higher than those that you are using "update Manager" may try to update the system. He will do this through free repositories that can cause damage to your system. For this reason, you should in any case carefully read the description of the plug-in repository and also the information that is in the "update Manager".

Using graphical interface

In this case, the repository for iOS 8 and other operating systems are as follows:

1. Open the Ubuntu software center.
2. Next, go to the “edit” / “application Sources”.
3. In the new window select the tab “Other progr...