linux系统信息查看

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mb5fe328bf51cae 2014-11-06 22:00:00

vmstat 2 3

[root@LocalWeb01 ~]# vmstat 2 3（查看系统信息 2秒一次共 3次）

               内存                                                                                cpu
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
r b   swpd   free   buff cache   si   so    bi    bo   in   cs us sy id wa st
1 0      0 808324 53484 60840    0    0    21     8 1003   58 0 0 99 1 0
0 0      0 808324 53484 60840    0    0     0     0 975   45 0 0 100 0 0
0 0      0 808324 53484 60840    0    0     0     0 981   55 0 1 99 0 0

dmesg 查看启动信息

dmesg |grep CPU 查看cpu启动信息

free -m 查看内存使用状态

[root@LocalWeb01 ~]# free -m
             total       used       free     shared    buffers     cached
Mem:          1010        221        789          0         52         59
-/+ buffers/cache:        109        901
Swap:            0          0          0

buffers缓冲加快数据写速度

cache缓存加快从硬盘中读取速度

cat /proc/cpuinfo 查看CPU信息

uptime 启动时间和平均负债

[root@LocalWeb01 ~]# uptime
21:52:12 up 1:30, 3 users, load average: 0.08, 0.02, 0.01

查看系统内核信息

uname -a

判断当前系统位数

file /bin/ls

[root@LocalWeb01 ~]# file /bin/ls
/bin/ls: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), for GNU/Linux 2.6.9, dynamically linked (uses shared libs), stripped

lsb_release -a

[root@LocalWeb01 ~]# lsb_release -a
LSB Version:   :core-4.0-ia32:core-4.0-noarch:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-ia32:printing-4.0-noarch
Distributor ID:   CentOS
Description:   CentOS release 5.9 (Final)
Release:   5.9
Codename:   Final