Howto yum update

The rest of the article gives more detailed explanations where we explore the answers to the following questions What is yum and what is the function of yum in our Linux systems? What are repositories and what do they contain? Why software in Linux comes in the form of packages?

So, let us begin! The following are the 5 main tasks of yum install new software hire new employees remove unnecessary software fire employees who are not needed anymore update software improve the skillset of employees upgrade system improve the entire organization, not just the employees and maintain a database about software installed in our system maintains the employee records!

Step 1: check the internal database Step 2: check the repository database Step 3: update old packages Step 4: update the internal database Let us learn each of these steps in more detail.

Step 1: Check the internal database As we have seen in the article linked above , there is an internal database stored in our computers which contains information about all the software packages presently installed and the versions of each of the software package.

As you can see there are 3 columns, column1: shows the package name openssh-server. So that ends the explanations for Step 1 , let us go to the next step! Step 2: Check the repository database Repositories, simply put, are places on the internet where software is stored by the developers and maintainers of our distros. The next step is to check the repository to see if any newer packages are available. Step 3: Update old packages to newer versions This step is simple, if a newer version is found, yum will update our older package into the newer one!

Step 4: Update the internal Database Once a given package has been updated to a newer version yum will update the entry in the local database to keep everything in order! With that I will end this article! Hope you have enjoyed reading this article as much as I enjoyed writing it! Feel free to share this article with your friends and colleagues! Here are some more articles that might interest you! Related Articles yum update vs yum upgrade: Differences Explained!

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You can get a history of transactions performed and work with multiple Red Hat and third-party software repositories. If the new kernel fails to boot, the old kernel is still available. Using yum update kernel will actually install the new kernel. Note : Use yum list kernel to list all installed and available kernels.

To view the currently running kernel, use the uname command. The -r option only shows the kernel version and release, and the -a option shows the kernel release and additional information. Regular groups are collections of packages. Environment groups are collections of regular groups. Like yum list , the yum group list command shows the names of installed and available groups. Some groups are normally installed through environment groups and are hidden by default. List these hidden groups with the yum group list hidden command.

It includes a list of mandatory, default, and optional package names. Skip to primary navigation Skip to main content Skip to primary sidebar Skip to footer navigation.