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Linux ディストリビューション・バージョンの確認方法

Last updated at Posted at 2017-07-16

サーバにインストールされているLinuxのディストリビューションを確認する方法とそのバージョンを確認する方法を記載します。

検証環境

docker
$ docker pull ubuntu // https://hub.docker.com/_/ubuntu/
$ docker pull centos // https://hub.docker.com/_/centos/
$ docker pull debian // https://hub.docker.com/_/debian/

解決方法について

Ubuntu
root@792772f62cdf:/# cat /etc/issue
Ubuntu 16.04.2 LTS
 
# or
 
root@9f3e980f7152:/# cat /etc/issue
Ubuntu 16.04.2 LTS \n \l

root@9f3e980f7152:/#
CentOS
root@9822a3c4d316 /# cat /etc/redhat-release
CentOS Linux release 7.3.1611 (Core)
Debian
root@1c89b8c23fcd:/# cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 9 (stretch)"
NAME="Debian GNU/Linux"
VERSION_ID="9"
VERSION="9 (stretch)"
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

# or 

root@7ef76ea4f938:/# cat /etc/issue
Debian GNU/Linux 9 \n \l

方法としては2つあります。

/etc/ディストリビューション名-release
/etc/issue 

のどちらかを見ればディストリビューション + そのバージョンが確認できます。

ちなみにLinux OSのバージョン確認方法は下記になります。

Linux
root@1c89b8c23fcd:/# cat /proc/version
Linux version 4.9.31-moby (root@11fbdc1f630f) (gcc version 6.2.1 20160822 (Alpine 6.2.1) ) #1 SMP Sat Jun 24 06:29:23 UTC 2017

or

Linux
root@7ef76ea4f938:/# uname -a
Linux 7ef76ea4f938 4.9.31-moby #1 SMP Sat Jun 24 06:29:23 UTC 2017 x86_64 GNU/Linux
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