查看版本命令
[root@VM_100_4_centos ~]# cat /proc/version Linux version 3.10.0-862.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-28) (GCC) ) #1 SMP Fri Apr 20 16:44:24 UTC 2018 [root@VM_100_4_centos ~]# [root@VM_100_4_centos ~]# [root@VM_100_4_centos ~]# cat /etc/redhat-release CentOS Linux release 7.5.1804 (Core) [root@VM_100_4_centos ~]# uname -a Linux VM_100_4_centos 3.10.0-862.el7.x86_64 #1 SMP Fri Apr 20 16:44:24 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux [root@VM_100_4_centos ~]# uname -r 3.10.0-862.el7.x86_64