All of these methods will involve the yum ( Yellow dog Updater, Modified) package manager. So remain on alert as holding packages for long can introduce security issues. Note: It is easy to forget what packages you have held after some time even when their bugfree versions are out.

In this tutorial, we will cover how to block certain packages from being installed or upgraded and how to block specific versions of packages or kernels from being installed. And it is a pain to upgrade each package individually. You don’t want that package to upgrade the next time you run sudo yum upgrade. Why would you want to do this? Well, sometimes you find out that a package’s updated version is buggy. But sometimes occasions arise when you need granular control over which package you want to install or upgrade and which package to block from being upgraded automatically. You can install, upgrade and remove any software/package from your Linux system with a single command. Package manager is probably the most useful tool for a Linux user.

Latest centos 7 kernel version