HowtocheckosversioninLinuxcommandline

  • Z时代
  • 2024-01-10
  • 分类：综合

编程

Check os version in Linux

The procedure to find os name and version on Linux:

  1. Open the terminal application (bash shell)

  2. For remote server login using the ssh: ssh user@server-name

  3. Type any one of the following command to find os name and version in Linux:
    cat /etc/os-release
    lsb_release -a
    hostnamectl

  4. Type the following command to find Linux kernel version:
    uname -r

Let us see all examples in detailed.

/etc/os-release file

Type the following cat command:
$ cat /etc/os-release
Sample outputs:

NAME="Ubuntu"
VERSION="17.10 (Artful Aardvark)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 17.10"
VERSION_ID="17.10"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=artful
UBUNTU_CODENAME=artful

lsb_release command

The lsb_release command gives LSB (Linux Standard Base) and distribution-specific information on the CLI. The syntax is:
$ lsb_release -a
Sample outputs:

LSB Version:	:core-4.1-amd64:core-4.1-noarch
Distributor ID:	CentOS
Description:	CentOS Linux release 7.4.1708 (Core) 
Release:	7.4.1708
Codename:	Core

hostnamectl command

Use hostnamectl command to query and change the system hostname and related settings. Just type the following command to check OS name and Linux kernel version:
$ hostnamectl
Sample outputs:

Static hostname: nixcraft-www-42
         Icon name: computer-vm
           Chassis: vm
        Machine ID: beb217fbb4324b7d9959f78c279e6599
           Boot ID: 10f00cc5ca614b518a84d1793d0134bc
    Virtualization: qemu
  Operating System: Ubuntu 16.04.3 LTS
            Kernel: Linux 4.10.0-42-generic
      Architecture: x86-64

uname command

Just print Linux kernel version, run:
$ uname -r
Sample outputs:

Another option is to type the following command:
$ cat /proc/version
Sample outputs:

Linux version 3.10.0-693.11.6.el7.x86_64 (mockbuild@x86-041.build.eng.bos.redhat.com) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-16) (GCC) ) #1 SMP Thu Dec 28 14:23:39 EST 2017

/etc/issue file

Use more command/less command as follows:
$ cat /etc/issue
$ more /etc/issue
$ less /etc/issue

Getting help

You can also view the manual page on uname using the following command:
$ man hostnamectl
$ man uname
$ man cat

以上是 HowtocheckosversioninLinuxcommandline 的全部内容， 来源链接： utcz.com/z/512867.html

回到顶部