[root@localhost ~]# uname -a
Linux localhost.localdomain 3.10.-.el7.x86_64 # SMP Thu Nov :: UTC x86_64 x86_64 x86_64 GNU/Linux
[root@localhost ~]# uname -r
3.10.-.el7.x86_64
[root@localhost ~]# cat /etc/redhat-release
CentOS Linux release 7.6. (Core)