Linux查看硬件信息

查看CPU信息（型号）

cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c(CPU基本信息)

[root@myhome ~]$ cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c 
      4  Intel(R) Xeon(R) CPU E5-2683 v4 @ 2.10GHz
[root@myhome ~]$ 

cat /proc/cpuinfo | grep physical | uniq -c (CPU内核)

[root@myhome ~]$ cat /proc/cpuinfo | grep physical | uniq -c
      1 physical id : 0
      1 address sizes   : 46 bits physical, 48 bits virtual
      1 physical id : 0
      1 address sizes   : 46 bits physical, 48 bits virtual
      1 physical id : 0
      1 address sizes   : 46 bits physical, 48 bits virtual
      1 physical id : 0
      1 address sizes   : 46 bits physical, 48 bits virtual
[root@myhome ~]$ 

getconf LONG_BIT (CPU运行模式)

[root@myhome ~]$ getconf LONG_BIT 
64
[root@myhome ~]$ 

查看内存信息

cat /proc/meminfo (内存基本信息)

[root@myhome ~]# cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c 
      4  Intel(R) Xeon(R) CPU E5-2683 v3 @ 2.00GHz
[root@myhome ~]# cat /proc/meminfo
MemTotal:       16004820 kB
MemFree:          839276 kB
MemAvailable:    3633748 kB
Buffers:          136648 kB
Cached:          3367712 kB
SwapCached:        69688 kB
Active:         11404256 kB
Inactive:        3030368 kB
Active(anon):   10581676 kB
Inactive(anon):  1034380 kB
Active(file):     822580 kB
Inactive(file):  1995988 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:       2096444 kB
SwapFree:        1469268 kB
Dirty:              1020 kB
Writeback:             0 kB
AnonPages:      10860624 kB
Mapped:           589320 kB
Shmem:            685792 kB
Slab:             431444 kB
SReclaimable:     310140 kB
SUnreclaim:       121304 kB
KernelStack:       92720 kB
PageTables:        77920 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    10098852 kB
Committed_AS:   33813824 kB
VmallocTotal:   34359738367 kB
VmallocUsed:       38452 kB
VmallocChunk:   34359638016 kB
HardwareCorrupted:     0 kB
AnonHugePages:   5373952 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:      151552 kB
DirectMap2M:    12427264 kB
DirectMap1G:     4194304 kB

查看操作系统信息

uname -a (查看当前操作系统内核信息)

[root@myhome ~]# uname -a 
Linux myhome.cva3.gprc.local 3.10.0-514.2.2.el7.x86_64 #1 SMP Wed Nov 16 13:15:13 EST 2016 x86_64 x86_64 x86_64 GNU/Linux
[root@myhome ~]# 

查看机器名

cat /etc/hosts

[root@myhome ~]$ cat /etc/hosts
127.0.0.1 localhost.localdomain localhost
192.168.1.203 CS.test.local CS-TEST
[root@myhome ~]# 

查看操作系统信息

cat /etc/os-release

[root@wex ~]# cat /etc/os-release
NAME="Red Hat Enterprise Linux Server"
VERSION="7.4 (Maipo)"
ID="rhel"
ID_LIKE="fedora"
VARIANT="Server"
VARIANT_ID="server"
VERSION_ID="7.4"
PRETTY_NAME="Red Hat"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:redhat:enterprise_linux:7.4:GA:server"
HOME_URL="https://www.redhat.com/"
BUG_REPORT_URL="https://bugzilla.redhat.com/"

REDHAT_BUGZILLA_PRODUCT="Red Hat Enterprise Linux 7"
REDHAT_BUGZILLA_PRODUCT_VERSION=7.4
REDHAT_SUPPORT_PRODUCT="Red Hat Enterprise Linux"
REDHAT_SUPPORT_PRODUCT_VERSION="7.4"
[root@wex ~]#