1： 查看 linux版本
[root@msmnE ~]# cat /proc/version Linux version 3.10.0-514.el7.x86_64 (mockbuild@x86-039.build.eng.bos.redhat.com) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-11) (GCC) ) #1 SMP Wed Oct 19 11:24:13 EDT 2016 [root@msmnE ~]# uname -a Linux msmnE 3.10.0-514.el7.x86_64 #1 SMP Wed Oct 19 11:24:13 EDT 2016 x86_64 x86_64 x86_64 GNU/Linux [root@msmnE ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.3 (Maipo)
2：查看CPU
2.1 查看物理CPU个数
[root@msmnE ~]# cat /proc/cpuinfo| grep "physical id"| sort | uniq | wc -l 2
2.2 查看每个物理CPU中core的个数(即核数)
[root@msmnE ~]# cat /proc/cpuinfo| grep "cpu cores"| uniq cpu cores : 8
3：查看内存
[root@msmnE ~]# cat /proc/meminfo | grep -i mem MemTotal: 49301052 kB MemFree: 234748 kB MemAvailable: 22220200 kB Shmem: 296092 kB [root@msmnE ~]#
查看物理内存
[root@msmnE ~]# dmidecode -t memory | grep -i size Size: 16384 MB Size: No Module Installed Size: No Module Installed Size: No Module Installed Size: No Module Installed Size: No Module Installed Size: 8192 MB Size: No Module Installed Size: No Module Installed Size: No Module Installed Size: No Module Installed Size: No Module Installed Size: 16384 MB Size: No Module Installed Size: No Module Installed Size: No Module Installed Size: No Module Installed Size: No Module Installed Size: 8192 MB Size: No Module Installed Size: No Module Installed Size: No Module Installed Size: No Module Installed Size: No Module Installed [root@msmnE ~]#
4：查看网卡
[root@msmnE ~]# lspci | grep -i ethernet 03:00.0 Ethernet controller: Emulex Corporation OneConnect NIC (Skyhawk) (rev 11) 03:00.1 Ethernet controller: Emulex Corporation OneConnect NIC (Skyhawk) (rev 11) 03:00.2 Ethernet controller: Emulex Corporation OneConnect NIC (Skyhawk) (rev 11) 03:00.3 Ethernet controller: Emulex Corporation OneConnect NIC (Skyhawk) (rev 11) 81:00.0 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01) 81:00.1 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01) 81:00.2 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01) 81:00.3 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)