In this tutorial, we will learn how to install the latest kernel version on multiple Linux distributions.
What Is A Kernel
First, let’s define what a kernel is defined as. The Linux kernel is basically the brain of your hardware. Its main purpose is to facilitate communications between your hardware and software. As an example, if an application needs to make a change (say switching the screen resolution of your monitor), the software submits a request to the kernel, and the kernel uses the available video driver options to modify the resolution.
Reading Time: 2minutesIn this article and related video, we will be discussing how to check the kernel version in both Ubuntu and CentOS Linux. The following command works with all Linux distributions, such as Red Hat, CentOS, Debian, and Ubuntu. It also works on other UNIX-like operating systems such as HPUX, FreeBSD, OpenBSD, Solaris, etc. Use the following command to check which kernel version your server is currently running:
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The command ls stands for list directory contents. And, cleverly, it will do just that: list a directory’s contents! Using it with -F will give a list of the directories contents, and denote items that are other directories with a trailing /.
On my server returns:
allthethings.txt important.doc Indominus/ Misc/ probs.xls Red Wings/ Spreadsheets/ Work/
In the above case, allthethings.txt, garbage.file, important.doc, and probs.xls are files, and Indominus, Misc, Red Wings, Spreadsheets, and Work, each with the trailing /, are directories!
There are many other options, or switches, such as -F that can be used with ls for improved results. For example: