查看linux系统版本相关信息

1.查看内核版本：cat /proc/version

A机器

root@debian:~# cat /proc/version

Linux version 3.10.--686 (ty@debian) (gcc version 4.7. (Debian 4.7.-) ) # SMP Sat Sep  :: EDT 2016

B机器

[root@bogon ~]# cat /proc/version

Linux version 3.10.-.el7.x86_64 (mockbuild@kbuilder.bsys.centos.org) (gcc version 4.8.  (Red Hat 4.8.-) (GCC) ) # SMP Thu Nov  :: UTC

2.查看发行版本信息 cat /etc/*-release 或 cat /etc/issue

　A机器

root@debian:~# cat /etc/*-release

PRETTY_NAME="Debian GNU/Linux 7 (wheezy)"

NAME="Debian GNU/Linux"

VERSION_ID="7"

VERSION="7 (wheezy)"

ID=debian

ANSI_COLOR="1;31"

HOME_URL="http://www.debian.org/"

SUPPORT_URL="http://www.debian.org/support/"

BUG_REPORT_URL="http://bugs.debian.org/"

root@debian:~# cat /etc/issue

Debian GNU/Linux  \n \

B机器

[root@bogon ~]# cat /etc/*-release

CentOS Linux release 7.6.1810 (Core)

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"

CentOS Linux release 7.6.1810 (Core)

CentOS Linux release 7.6.1810 (Core)

从上面信息可以分析出

A机器：Debian 7 x86； B机器：CentOS 7 x86_64

巴特西

查看linux系统版本相关信息

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