Yum update distro

What are Package managers? The above article explains what are packages contents of packages need for package managers functions of package managers and architecture of package managers. Derivative distros Derived distros are ones that take one of these original distributions, make some changes to it, so that its more suitable for a specific purpose and then distribute them as an installable operating system.

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I was just happy that I was able to type something in the Terminal and it actually worked! I did not pay much attention to what I actually typed in. I guess to beginners, it just feels like a magic spell to get something installed! In plain English, update and upgrade have almost the same meanings, so it can get confusing for a beginner to understand what these commands actually do.

What is the difference between yum update and upgrade? This is the short version of the answer. Let me expand what is written above with some more details. YUM stands for Yellow-dog Updater Modified which is a tool that is used to manage software in our system.

If you are a complete beginner I highly recommend reading the article in the link below before continuing with this one. Software packages can be application software like text editors, word processors, etc.

The content of the packages managed by these package managers involves the following 4 main components. This is the next question we must address. Repositories or repos for short are basically a place where verified packages are stored for easy retrieval and installation.

They can be online like the YUM repository or they can be on a local folder or a DVD where you have a special collection of software that you need. You can have several repositories from which you can download and install these packages. The system will display a list of available updates, including the core operating system updates.

Scan through these to make sure everything is in order. You can research the upgrades to software packages as needed, depending on your system configuration.

As the yum package manager updates your system and software, it accumulates additional listings and downloaded data. This will clear the caches and lists in the local yum repositories. This can help speed the update process, and it can also help prevent issues.

The system should give you a listing of the packages to be downloaded, as well as the disk space required. The system will prompt you to confirm this is OK — press y, and the system will continue with the download and installation. Note: CentOS 7. If you were installing a major update — say, CentOS 6.