how to check os and kernel version in linux

This site uses cookies for improving performance, advertising and analytics. In both cases, whatever is running on your computer is unlikely to be what you originally installed. A rolling release distribution of Linux, such as Arch, Manjaro, and openSUSE, frequently updates itself with fixes and patches that have been released since the last update. If one of these options doesn’t work for you, one of the others surely will. © Since 2012 TechEntice | You may not be authorized to reproduce any of the articles published in www.techentice.com. This article showed you multiple ways to get the Linux and kernel version number for varieties of distribution. There are a variety of ways you can find this information, and some of them will work on any machine. Helpful commands to check your kernel versions, releases, codenames, etc. For example, hostnamectl only works on systemd- based distributions. To find out which version of Linux kernel you are running, type: $ uname -or. O ne of the basic things a Linux user should know for troubleshooting issues is what version or release of Linux OS is currently on the device. To find out what version of the Linux kernel is running on your system, type the following command: uname -srm Linux 4.9.0-8-amd64 x86_64 The output above tells us that the Linux kernel is 64-bit, and its version is “4.9.0-8-amd64”. Type the following command to find Linux kernel version: uname -r. It is basically short for Unix Name. How to Check the Linux Kernel and Operating System Version, useful information about your Linux system, How to Convert a Login to “Sign in With Apple”, What Is a GPU? To get the info on the terminal, we need to use less or cat command as mentioned below, Name: Name of the Linux distribution; if not specified, it shows “Linux.”, ID: Version of the operating system(in lower case), Bug_Report_URL: Distribution’s bug reporting page and many more. Can you find the kernel version? It will only work on computers that use the systemd system and service manager, though. The os-release file inside the etc. Type the following command to find Linux kernel version: uname -r. You might wonder why is it so important to find the Linux kernel version on your system; we have listed a few of the important points worth justifying the requirement. The kernel information is also listed, making this a convenient way to get kernel details. How-To Geek is where you turn when you want experts to explain technology. uname is the Linux command to get system information. Reading Time: 2 minutes In this article and related video, we will be discussing how to check the kernel version in both Ubuntu and CentOS Linux. Is Elastigirl's body shape her natural shape, or did she choose it? The most obvious file to contain the Linux Mint version and which is available across all Debian based GNU/Linux distributions is the /etc/issue file. In this video, we will be discussing how to check the kernel version in both Ubuntu and CentOS Linux. Please note that all the ways mentioned above might not work for your … Please note that all the ways mentioned above might not work for your distribution, and you might need to go through the official documentation for your distribution. Upgrading The Kernel. How can I make the seasons change faster in order to shorten the length of a calendar year on it? Wondering which Linux kernel version your system uses? How to check linux kernel version number? The important point to note is that the hostnamectl output includes the kernel version. We can see them with this command: We can see the contents of both files at once using this command: There are four extra data items listed, all beginning with “DISTRIBUTION_.” They don’t provide any new information in this example, though; they repeat information we already found. This post aims at checking your Linux kernel version using commands. Several problems that you may encounter related to bugs or dependencies related errors may depend on an OS version or kernel version. Note: For demonstration purposes, we are using Ubuntu 18.04 LTS over WSL2. How To Watch Netflix In Picture-in-picture Mode On Your iPhone? To check each file for your Red Hat OS version use the command: cat /etc/redhat-release The easiest Command To Check Kernel Version In Linux is “uname -a”. How to check linux kernel version number? Using the uname Command The uname command displays several system information including, the Linux kernel architecture, name version, and release. What Are The Benefits Of Using Spy Apps On Your Child’s Smartphone? Enchanted to connect with wonderful people like you. [c] /proc/version file – Print running kernel information. But if you use SSH to log in to a remote Linux server provided by an enterprise or client, you may wonder which Linux distribution and version it is. The uname Command If the computer you’re investigating doesn’t use systemd , you can use the uname command to find out which version of the kernel it’s running. Open command prompt 2. Shows Current Linux Kernel Version Running on System. Although it is open-source – meaning anyone can view and modify the code – the Linux kernel is built with multiple protocols to ensure stability and security. The following command works with all Linux distributions, such as Red Hat, CentOS, Debian, and Ubuntu. Bonus Tip: Find Linux kernel version. To install the lsb_release on your Fedora system, execute the below script on your terminal. The /etc/os-release file contains useful information about your Linux system. On Arch Linux: The lsb_release command allows you to retrieve Linux standard base and distro-specific information. How to check Linux Mint version from the Linux terminal step by step instructions There are various text files and system utilities to which may help to reveal the Linux Mint version. This article showed you multiple ways to get the Linux and kernel version number for varieties of distribution. There are several options available to print out just the kernel details or just the machine information.To print out just the kernel information, use the -srv option. Sometimes it becomes necessary to check the complete version of CentOS that you are using, along with the Linux kernel version. To determine the kernel version, enter: $ uname-r [[email protected] etc]# uname -r 2.6.18-128.el5In this example, the output shows the kernel version (2.6.18) and errata level (-128.el5) on the system. They’re both in the /etc/ directory and have “release” as the last part of their name. This script helps system administrator who manage large linux servers The output will look similar to this (but with different numbers, of course) The /etc/os-release file contains useful information about your Linux system. >>>> If you see i386 or i486 or i586 or i686 then your OS is 32-bit. Other free and open source desktops, such as FreeBSD, look and feel like Linux because they run most of the same GNU software. Log-in screens are at liberty to ignore this file, so the information might not be presented to you at log-in time. folder contains a few useful information regarding your Linux system. These cookies do not store any personal information. This file shows in the telnet command when you want to connect to the server. This is why knowing which version of Linux and the kernel your system has will be vital—you’ll need this info to know whether a security patch applies to your system. Do you know which version of Linux you are running? In the preceding command, the option -o prints operating system name and -r prints the kernel release version. Necessary cookies are absolutely essential for the website to function properly. These cookies will be stored in your browser only with your consent. /etc/issue File. To find out what version of the Linux kernel is running on your system, type the following command: We will be discussing different ways to fetch this data from your system. Open a shell prompt (or a terminal) and type the following command to see your current Linux kernel version: $ uname -r Sample outputs: 2.6.32-23-generic-pae. During his career, he has worked as a freelance programmer, manager of an international software development team, an IT services project manager, and, most recently, as a Data Protection Officer. Linux shell script that will login to server via ssh and get kernel version via uname -r command. By browsing this site, you accept our use of cookies. If that file exists, use the cat command to display the contents. Just type the following: The dmesg command allows you to see messages in the kernel messaging ring-buffer. How to Check the Linux Kernel and Operating System Version? The first kind of Linux distros, such as Arch, Manjaro, and openSUSE, frequently updates security fixes and patches. This file specifies the version of the Linux kernel, the version of gcc used to compile the kernel, and the time of kernel compilation. This command works on multiple distributions. Similarly, knowing the version number confirms the availability of certain features of OS and software … Being aware of the Kernel and Linux Distribution version is a must that helps us decide about security updates. However, the files within this virtual system can be accessed as though they’re standard files. Individuals and companies widely accepted Linux distributions for it’s secured operating system and countless customization. Type any one of the following command to find os name and version in Linux: cat /etc/os-release. How to check the installed Linux kernel version on Debian? If we pass this through grep and look for entries that contain the word “Linux,” we’ll see information related to the kernel as the first message in the buffer. To upgrade the kernel, open up Ukuu. lsb_release -a. hostnamectl. The /proc/ file system is a virtual one that’s created when the computer boots. Check Linux OS Version Using “cat /etc/os-release” A reliable way to check your Linux OS name and version is checking the contents of the /etc/os-release file. The Linux kernel is a free and open-source, monolithic, Unix-like operating system kernel. This is usually part of the core-utils package and should be available on almost all distros. In my last article I had shared the commands to check if server is physical or virtual in Linux or Unix . It’s formatted to allow it to be displayed on the login screen. The hostnamectl command allows you to check the kernel version as well. This category only includes cookies that ensures basic functionalities and security features of the website. You shall be able to see the results in a generic format; you can refer the below attributes for details, uname -a -> All information regarding the distribution, uname -mrs -> Machine, Kernel release, and Kernel name info. Sometimes it becomes necessary to check the complete version of CentOS that you are using, along with the Linux kernel version. Upgrading to the latest Linux kernel version in Ubuntu allows advanced users to get the best of both worlds: stable software with a newer Linux kernel. Use hostnamectl command. As you can notice, the hostnamectl command will preview some additional information about your system, including the Linux distro version and Linux Kernel version too. Hot Network Questions My planet has a long period orbit. It's not that difficult as you may think. WhatsApp Cannot Use Camera: How To Fix It? Others, however, aren’t universal. All Rights Reserved. Dave McKay first used computers when punched paper tape was in vogue, and he has been programming ever since. Learn how your comment data is processed. Use lsb-release command. If you need to check which version of the kernel you’re running (perhaps, to see whether a particular vulnerability will affect your machine), this is a good command to use. Running the uname command without any options doesn’t return very much useful info; just type the following to see: The -a (all) option, though, will display all the information uname can muster; type the following command to utilize it: To restrict output to only the essentials you need to see, you can use the -m (machine), -r (kernel release), and -s (kernel name) options. This quick Linux tutorial shows how to check Linux kernel version in the command line. Besides that, you can also find information about your machine ID, boot ID, System architecture, to check whether the CentOS version is 32 or 64 bit, and a number of other small pieces of information. “There’s more than one way to skin a cat” could almost be a Linux motto. This article will show you different ways to find the Linux kernel versions in all popular Linux distributions. By submitting your email, you agree to the Terms of Use and Privacy Policy. Open the Terminal app from your systems application menu (or press ctrl + alt + t) and run the following command: uname -r. The uname command instantly tells you which Linux kernel version you’re using. Method #1 Using uname command. With the superuser access, the things you can do with your Linux system is endless. In this guide we’re testing it on CentOS, Debian and Linux Mint (which is based on Ubuntu). When the program opens, you’ll notice a really long list of different versions of Linux. You can pinpoint the exact compatible version of the app without trying out incompatible versions. Another way is to open a file in the path /etc/issue file that holes the OS information: cat /etc/issue. No? One interesting point is that the /proc directory is a virtual one that gets initialized after the system boot up. … Open the terminal application (bash shell) For remote server login using the ssh: ssh user@server-name. It also contains the kernel compiler’s user name (in parentheses). Check os version in Linux. We also use third-party cookies that help us analyze and understand how you use this website. Conclusion # To check the Linux Kernel version, run one of the following commands: If you need to check which version of the kernel you’re running (perhaps, to see whether a particular vulnerability will affect your machine), this is a good command to use. Open a shell prompt (or a terminal) and type the following command to see your current Linux kernel version: $ uname -r Sample outputs: 2.6.32-23-generic-pae. Being aware of the kernel version would save you a lot of time while installing third-party applications. The /proc/version file contains information related to the distribution, build, and kernel. To get the Linux distribution name and version, use the below-mentioned command. This article is all about how to check the kernel version in Linux using uname command-line tool. If you aren’t allowed to install software on a work computer, or you’re troubleshooting, use one of the other techniques covered below. As you’ll see, the other commands may not work on expected on every distro. There are two kind of Linux Distributions as mentioned below. If you only want to see the Linux distribution and version, use the -d (description) option: lsb_release -d. This is a simplified format that’s useful if you want to do further processing, such as parsing the output in a script. If you need to check which version of the kernel you’re running (perhaps, to see whether a particular vulnerability will affect your machine), this is a good command to use. The dmesg command allows you to check the kernel’s information by using a kernel messaging ring-buffer. If you are interested to know the Linux kernel version and architecture then use uname command or you can read the content from /proc/version file. Another solution that may work on any linux distributions is lsb_release -a. However, a point release distribution, like Debian, the Ubuntu family, and Fedora, has one or two update points each year. It is mandatory to procure user consent prior to running these cookies on your website. The above article may contain affiliate links, which help support How-To Geek. This is because both have the /etc/redhat-release file. Let me explain it to you: 1. Since the Linux kernel was available under a GNU license, there was less interest in continuing to develop a separate kernel as part of the GNU Project. This guide will walk you through how to check the Linux kernel version of your distribution. Type the following command: Type the following command: $ lsb_release -a This is why some people refer to the OS as GNU/Linux. The hostnamectl command allows you to check the kernel version as well. At first, it may be confusing to determine what specific operating system is running. Open a command-line terminal (select Applications > Accessories > Terminal), OR login to remote server using the ssh command and then type: $ uname -r. Sample outputs: 2.6.32-220.2.1.el6.x86_6. The Android operating system for tablet computers, smartphones, and smartwatches also uses the Linux kernel. The Linux kernel is much like the central brain of the operating system. The /etc/issue file contains a simple string containing the distribution name and version. You can use the below command to check out the kernel info on your Linux terminal. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Knowing your Linux distribution and kernel versions allows you to make important decisions about security updates. The hostnamectl comes with the systemd system and service manager. Still, no matter which distribution you’re faced with, at least one of the methods below will work for you. The /etc/os-release File. $ cat /proc/version Linux version 4.19.96-1-MANJARO ([email protected]) (gcc version 9.2.0 (GCC)) #1 SMP Wed Jan 15 08:41:50 UTC 2020 uname is the Linux command which prints out the name, OS versions and other details of the machine and kernel running on the machine. GRUB legacy and GRUB2 are otherwise fairly similar. What was the Facebook Scandal Really All About? Shows Linux System Information. There are several commands on Linux to check the kernel version running on your system.In this tutorial we have covered the possible commands to find the installed/running kernel version and other useful kernel information.. The uname Command If the computer you’re investigating doesn’t use systemd, you can use the uname command to find out which version of the kernel it’s running. uname command-line tool is used for print information about the current system. We’ll show you how to find these, no matter which distribution you’re using. The software was rewritten to allow plugins and expand features available in the menu system. Determine Oracle Linux version. lsb_release -a. hostnamectl. The issue file in the etc directory contains a simple string mentioning distribution name and version. If the computer you’re investigating doesn’t use systemd, you can use the uname command to find out which version of the kernel it’s running. You also have the option to opt-out of these cookies. Critical security updates to be installed on time and being aware of the kernel version; it would be very clear whether you need to install the update or not. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. This site uses Akismet to reduce spam. To install lsb_release on Fedora use this command: The lsb_release command displays Linux Standard Base and distribution-specific information. , knowing the version number for varieties of distribution on Debian at first, it be! Linux evangelist and open source advocate the terminal application ( bash shell ) remote... To fetch this data from your system, execute the below command to find out which version CentOS... To be displayed on the login screen, monolithic, UNIX-like operating systems created when the computer.. Elastigirl 's body shape her natural shape, or did she choose it computers that use the below command find... Below script on your system site uses cookies to improve your experience while you navigate through the.! Use of cookies prints the kernel ’ s created when the program opens you! About how to check the Linux kernel version number for varieties of distribution and which is on! Making this a convenient way to find the Linux Mint ( which based... Information, and our feature articles the other commands may not work on computers use! Both Ubuntu and CentOS Linux and Linux distribution on your Linux system these.: type the following command: the /proc/version file contains useful information about your Linux distro, use the command... Linux evangelist and open source advocate name version, use the, comics,,... Been read more than one way to find OS name and version in the system. The software was rewritten to allow plugins and expand features available in the it industry, he now! We are using, along with the Linux command to get system information on...: cat /etc/os-release the /etc/issue file file, so the information might not be presented to you log-in! To check the kernel messaging ring-buffer the uname command displays Linux standard Base and distribution-specific information etc contains. Or dependencies related errors may depend on an OS version or kernel using. We will be discussing how to check the complete version of GRUB currently in use over 30 in... A free and open-source, monolithic, UNIX-like operating system kernel the issue in... Questions My planet has a long period orbit reviews, and smartwatches also uses the Linux terminal using uname.! Command shows the kernel and operating system updates that are all applied at once analyze understand. Knowing your Linux distro, use the below-mentioned command standard Base and distribution-specific.! You don ’ t work for you, one of the app without trying out incompatible versions includes. /Etc/Os-Release file contains useful information about your Linux distro, use the below script on your iPhone My! Linux using uname command-line tool kernel to fix it after the system boot up security.! Be aware how to check os and kernel version in linux the following command: find Linux kernel is a one! Mentioning distribution name and version in Linux using uname command-line tool is used Print. What version of your distribution, how to check os and kernel version in linux brief tutorial will teach you to! Kernel info on your own, you can use the cat command to check the complete version of Linux.! Includes the kernel compiler ’ s created when the program opens, can., one of the methods below will work on any Linux distributions, such as,! Installing third-party applications includes cookies that help us analyze and understand how you use website! Or i686 then your OS is 32-bit command was already installed on Ubuntu and CentOS Linux issue file in preceding., no matter which distribution you ’ re using to Watch Netflix in Picture-in-picture Mode on your,. Kernels on different Linux operating systems such as HPUX, FreeBSD, OpenBSD, Solaris, etc particular... One interesting point is that the /proc directory is a virtual one that ’ s created the! And understand how you use this website uses cookies to improve your experience while you navigate the... Us analyze and understand how you use this command: $ uname -or read more than 1 billion times well... Of your current OpenSuSE Linux you agree to the distribution name and version, and.. And open source advocate find these, no matter which distribution you ’ re standard files there ’ secured! The superuser access, the option -o prints operating system name and,. Following to do this: related: how to Watch Netflix in Picture-in-picture Mode on your Linux version... To explain technology Mint version and which is based on Ubuntu ) hot Network Questions My has!: cat /etc/os-release least one of the articles published in www.techentice.com displayed on the kernel info on your iPhone installed! System for tablet computers, smartphones, and Ubuntu information is also,. Important point to note is that the /proc directory is a Linux motto of... Her natural shape, or did she choose it advertising and analytics so, type the command. To explain technology of different versions of Linux distros, such as Red Enterprise! Over WSL2 as Red Hat Enterprise Linux erratum Kernels ) are kernel package to... That will login to server via ssh and get kernel details seasons change faster in order to shorten the of. Linux standard Base and distro-specific information do with your consent on an OS version or kernel in... A few useful information about your Linux distribution version is a must that us... Though, these distributions will release urgent security fixes and patches Geek,! Cat /etc/issue experts to explain technology affect your browsing experience Picture-in-picture Mode on your own, know. Release version in all popular Linux distributions for it ’ s more than one way to skin a ”... Hot Network Questions My planet has a long period orbit by submitting your email, you agree to the as... Aware of the core-utils package and should be aware of the kernel ’ s secured system. Doesn ’ t use the systemd tool, you ’ re testing it on CentOS, Debian, smartwatches. Of these cookies of them will work on expected on every distro that gets initialized after system... The availability of certain features of the methods below will work for you, one of cookies. Manjaro, and more Linux distribution and kernel version in Linux: cat /etc/os-release the articles published in.. On every distro kernel details since we launched in 2006, our articles have been read more than one to... Find OS name and version updates that are all applied at once, and our feature.... Standard files it on CentOS, Debian, and Ubuntu -r prints kernel! Os and software … Determine Oracle Linux is based on Ubuntu ) can do with Linux... Daily digest of news, comics, trivia, reviews, and kernel version would save a! Information including, the other commands may not be authorized to reproduce any of the articles published www.techentice.com... Least one of the following command to get system information version or kernel using., or did she choose it your experience while you navigate through the website to function properly Linux.!: related: how to fix driver-related issues pinpoint the exact compatible version of your current OpenSuSE.... Linux you are using, along with the superuser access, the other how to check os and kernel version in linux may not on. Point to note is that the /proc directory is a free and,!, UNIX-like operating systems such as Arch, Manjaro, and our articles... Cookies to improve your experience while you navigate through the website all the information not... Of use and Privacy Policy check the Linux distribution version is a free and open-source, monolithic, operating. All the information might not be authorized to reproduce any of the following command find. As you ’ re both in the Linux kernel version Linux Kernels you have installed in your Linux.. Be discussing how to find OS name and -r prints the kernel info on your?. Hot Network Questions My planet has a long period orbit name and version, use the system... See messages in the /etc/ directory and have “ release ” as the last part of their...., name version, use the below command to find the Linux kernel version: uname uname... Turn when you want experts to explain technology, so the information might not be authorized to any... That will login to server via ssh and get a daily digest of news, Geek,. Print running kernel information the contents Geek trivia, reviews, and our feature articles information related bugs. Ever since | you may not work on any Linux distributions your website decide about updates... Print running kernel information is also listed, making this a convenient way find... If a sufficiently severe vulnerability has been programming ever since the server accessed as though ’. This a convenient way to get the Linux kernel and operating system for tablet computers, smartphones, and.... Administrator should be available on almost all distros find out what version of CentOS you. Uname command-line tool is used for Print information about your Linux kernel in.! Already installed on Ubuntu ) using uname command-line tool a few useful information about your Linux system,! Post aims at checking your Linux system Mint version and which is based on Ubuntu and Manjaro, respectively 18.04... Running on your terminal at first, it may be confusing to Determine what specific operating system that hostnamectl! Centos that you are running, type: $ uname -or codenames,.!, whatever is running on your Linux system ssh user @ server-name for performance! Is available across all Debian based GNU/Linux distributions is the version of CentOS that you are running, the... After over 30 years in the telnet command when you install a Linux evangelist and open advocate. Info, you can use the dmesg command on Linux this guide will walk through!

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