Get Linux Version Information

To get some basic information about the installed Linux version you can use uname -a.

This will give you something like

?
Linux serv03.fritz.box 3.10.0-957.1.3.el7.x86_64 #1 SMP
Thu Nov 29 14:49:43 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

Well, we get the kernel version and the architecture.

rpm -qia ‘release‘ gives much more information

?
Name        : nodesource-release
Version     : el7
Release     : 1
Architecture: noarch
Install Date: Thu 29 Nov 2018 09:01:53 AM CET
Group       : System Environment/Base
Size        : 3191
License     : MIT
Signature   : RSA/SHA256, Thu 04 Jan 2018 09:42:19 PM CET, Key ID 5ddbe8d434fa74dd
Source RPM  : nodesource-release-el7-1.src.rpm
Build Date  : Thu 04 Jan 2018 09:40:35 PM CET
Build Host  : luthien
Relocations : (not relocatable)
URL         : http://rpm.nodesource.com/pub_8.x/
Summary     : N|Solid repository configuration
Description :
This package contains the NodeSource NodeJS repository
GPG key as well as configuration for yum.
Name        : redhat-release-server
Version     : 7.4
Release     : 18.el7
Architecture: x86_64
Install Date: Tue 27 Nov 2018 01:50:07 PM CET
Group       : System Environment/Base
Size        : 43146
License     : GPLv2
Signature   : RSA/SHA256, Wed 28 Jun 2017 08:59:19 PM CEST, Key ID 199e2f91fd431d51
Source RPM  : redhat-release-server-7.4-18.el7.src.rpm
Build Date  : Wed 28 Jun 2017 08:36:32 PM CEST
Build Host  : x86-037.build.eng.bos.redhat.com
Relocations : (not relocatable)
Packager    : Red Hat, Inc. <http://bugzilla.redhat.com/bugzilla>
Vendor      : Red Hat, Inc.
Summary     : Red Hat Enterprise Linux Server release file
Description :
Red Hat Enterprise Linux Server release files
Name        : epel-release
Version     : 7
Release     : 11
Architecture: noarch
Install Date: Wed 28 Nov 2018 07:54:48 AM CET
Group       : System Environment/Base
Size        : 24834
License     : GPLv2
Signature   : RSA/SHA256, Mon 02 Oct 2017 07:52:02 PM CEST, Key ID 6a2faea2352c64e5
Source RPM  : epel-release-7-11.src.rpm
Build Date  : Mon 02 Oct 2017 07:45:58 PM CEST
Build Host  : buildvm-ppc64le-05.ppc.fedoraproject.org
Relocations : (not relocatable)
Packager    : Fedora Project
Vendor      : Fedora Project
URL         : http://download.fedoraproject.org/pub/epel
Summary     : Extra Packages for Enterprise Linux repository configuration
Description :
This package contains the Extra Packages for Enterprise Linux (EPEL) repository
GPG key as well as configuration for yum.
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