1、查看物理CPU数

[root@MysqlCluster01 ~]# cat /proc/cpuinfo |grep "physical id"|sort |uniq|wc -l

1

2、查看逻辑CPU数

[root@MysqlCluster01 ~]# cat /proc/cpuinfo |grep "processor"|wc -l

4

3、查看CPU几核(即核数)

[root@MysqlCluster01 ~]# cat /proc/cpuinfo |grep "cores"|uniq

cpu cores : 4

4、查看CPU主频

[root@MysqlCluster01 ~]# cat /proc/cpuinfo |grep MHz|uniq

cpu MHz : 2499.982

5、前操作系统内核信息

[root@MysqlCluster01 ~]# uname -a

Linux MysqlCluster01 2.6.32-431.20.3.el6.x86_64 #1 SMP Thu Jun 19 21:14:45 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

6、前操作系统发行版信息

[root@MysqlCluster01 ~]# cat /etc/issue

CentOS release 6.4 (Final)

Kernel \r on an \m

7、内存使用情况

[root@MysqlCluster01 ~]# free -m

total used free shared buffers cached

Mem: 7863 2738 5125 0 141 835

-/+ buffers/cache: 1761 6102

Swap: 3967 0 3967

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