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Linux OSのバージョンを調べる方法

Last updated at Posted at 2018-05-13

1. OSのディストリビューション名を調べる

cat /etc/os-release

[account /]$ cat /etc/os-release
NAME="CentOS Linux"
VERSION="7 (Core)"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="7"
PRETTY_NAME="CentOS Linux 7 (Core)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:7"
HOME_URL="https://www.centos.org/"
BUG_REPORT_URL="https://bugs.centos.org/"'

CENTOS_MANTISBT_PROJECT="CentOS-7"
CENTOS_MANTISBT_PROJECT_VERSION="7"
REDHAT_SUPPORT_PRODUCT="centos"
REDHAT_SUPPORT_PRODUCT_VERSION="7"

2. ディストリビューションのバージョンを調べる

今回はCENTOSだったので以下のコマンドを実行

cat /etc/redhat-release

[account /]$ cat /etc/redhat-release
CentOS Linux release 7.4.1708 (Core)

※基本的には/etc/以下で[ディスロ名]-releaseファイルを探して中身を見れば解決

補足. Linuxカーネルのバージョンを調べる

以下のどちらでも良い

cat /proc/version

[account /]$ cat /proc/version
Linux version 4.4.0-121-generic (buildd@lcy01-amd64-004) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.9) ) #145-Ubuntu SMP Fri Apr 13 13:47:23 UTC 2018

 ⇨なぜにUbuntu文字が???

uname -a

[account /]$ uname -a
Linux localhost 4.4.0-121-generic #145-Ubuntu SMP Fri Apr 13 13:47:23 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

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