1、查看当前操作系统内核信息
uname -a
[root@ihdemj0ovr /]# uname -a
Linux ihdemj0ovr 3.10.0-957.21.3.el7.x86_64 #1 SMP Tue Jun 18 16:35:19 UTC x86_64 x86_64 x86_64 GNU/Linux
2、查看当前操作系统版本信息
cat /proc/version
[root@ihdemj0ovr /]# cat /proc/version
Linux version 3.10.0-957.21.3.el7.x86_64 (mockbuild@kbuilder.) (gcc version 4.8.5 0623 (Red Hat 4.8.5-36) (GCC) ) #1 SMP Tue Jun 18 16:35:19 UTC
3、查看当前操作系统发行版信息
cat /etc/issue 或 cat /etc/redhat-release
[root@ihdemj0ovr /]# cat /etc/issue
S
Kernel r on an m
[root@ihdemj0ovr /]# cat /etc/redhat-release
CentOS Linux release 7.6.1810 (Core)
4、查看cpu相关信息，包括型号、主频、内核信息等
cat /proc/cpuinfo
[root@ihdemj0ovr /]# cat /etc/redhat-release
CentOS Linux release 7.6.1810 (Core)
[root@ihdemj0ovr /]# cat /proc/cp
