查看系统基本信息
#(Linux查看版本当前操作系统内核信息)
[root@bi ~]# uname -a
Linux bi.life.cib 3.10.0-1062.el7.x86_64 #1 SMP Wed Aug 7 18:08:02 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
# (Linux查看当前操作系统版本信息)
[root@bi ~]# cat /proc/version
Linux version 3.10.0-1062.el7.x86_64 ([email protected]) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC) ) #1 SMP Wed Aug 7 18:08:02 UTC 2019
# (Linux查看版本当前操作系统发行版信息)
[root@bi ~]# cat /etc/redhat-release
CentOS Linux release 7.7.1908 (Core)
查看linux CPU信息
# 查看物理CPU个数
[root@mysql ~]# cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l
4
# 查看每个CPU的core数(即核数)
[root@mysql ~]# cat /proc/cpuinfo| grep "cpu cores"| uniq
cpu cores : 4
# 查看逻辑CPU的个数
[root@mysql ~]# cat /proc/cpuinfo| grep "processor"| wc -l
16
# 查看CPU的型号
[root@mysql ~]# cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c
16 Intel(R) Xeon(R) CPU E5620 @ 2.40GHz