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I have installed Debian 8 64Bit in my VPS. If I need to know what the bit of OS install in VPS command is uname -a and for OS information lsb_release -a.

But in Debian Linux distribution the uname -a command is working but lsb_release -a command is not working.

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If lsb_release -a is not working, you need to install the package:

sudo apt-get install lsb-release

From https://packages.debian.org/jessie/lsb-release

Linux Standard Base version reporting utility
The lsb-release command is a simple tool to help identify the Linux distribution being used and its compliance with the Linux Standard Base. LSB conformance will not be reported unless the required metapackages are installed.

If you install lsb-core, lsb_release will output more information, but will also install more packages. So do additionally:

sudo apt-get install lsb-core

From https://packages.debian.org/jessie/lsb-core

This package provides an implementation of the core of version 4.1 of the Linux Standard Base for Debian on the Intel x86, Intel ia64 (Itanium), IBM S390, and PowerPC 32-bit architectures with the Linux kernel.

Output without lsb-core:

$ lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description:    Debian GNU/Linux 8.3 (jessie)
Release:    8.3
Codename:   jessie

Output with lsb-core package installed:

LSB Version:    core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:core-4.1-amd64:core-4.1-noarch:security-4.0-amd64:security-4.0-noarch:security-4.1-amd64:security-4.1-noarch
Distributor ID: Debian
Description:    Debian GNU/Linux 8.3 (jessie)
Release:    8.3
Codename:   jessie

Aditional packages installed for lsb-core (in my case):

alien at bc cups-bsd cups-client cups-common debhelper debugedit intltool-debian lib32z1 libc6-i386 libcupsfilters1 libcupsimage2 libmail-sendmail-perl librpm3 librpmbuild3 librpmio3 librpmsign1 libsys-hostname-long-perl lsb-security pax po-debconf rpm rpm-common rpm2cpio

Mind you these packages are normally installed by default, and someone (like me) too care of deinstalling them in your VPS.

I originally had none installed, at the end I made a compromise of having lsb_release but not lsb-core in order not to inflate the number of packages.

  • (I have the lsb-release package installed in my virtual servers, but not lsb-core) – Rui F Ribeiro Feb 12 '16 at 19:14
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    Sound pretty good. but if I installed it, then it consumes 80MB space on my VPS HDD and may also consume some ram space. so Is it wise to install this extra lsb-release for just one purpose. – Shuvankar Paul Feb 15 '16 at 6:41
  • exactly, lsb-core brings too many packages for a VPS farm – Rui F Ribeiro Feb 15 '16 at 7:12
  • added these comments to the answer. They do not use up RAM space, as they are not daemons. The only "suspect" thing there is cups-bsd, but it can be deactivated. As I added to the answer normally in non-VPS machines these packages are installed by default. – Rui F Ribeiro Feb 15 '16 at 8:50
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cat /etc/lsb-release
cat /etc/os-release

if these fail

ls -l /etc/*release*

and look and see the contents of those files

  • /etc/issue also usually has release/distribution information. – DopeGhoti Feb 12 '16 at 23:14
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You can use hostnamectl

 hostnamectl

The output:

  Static hostname: debian
       Icon name: computer
         Chassis: Laptop
      Machine ID: 4c983dae19f6403ca2c555c386cdeb14
         Boot ID: 3b399eb976d04569a8514a1dczdv4d81
Operating System: Debian GNU/Linux 8 (jessie)
          Kernel: Linux 3.16.0-4-amd64
    Architecture: x86-64

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