linux系统把机器的配置放在了/proc 目录下，

more cpuinfo 查看cpu配置，下面以我们的一个CPU4的配置为例

vendor_id       : GenuineIntel
cpu family      : 6
model           : 7
model name      : Intel(R) Xeon(R) CPU           E5420  @ 2.50GHz
stepping        : 6
cpu MHz         : 2500.136
cache size      : 6144 KB
physical id     : 0
siblings        : 4
core id         : 0
cpu cores       : 4
fpu             : yes
fpu_exception   : yes
cpuid level     : 10
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor
ds_cpl est tm2 cx16 xtpr
bogomips        : 5005.57
clflush size    : 64
cache_alignment : 64
address sizes   : 38 bits physical, 48 bits virtual
power management:
可以看出cpu2.5G

more meminfo查看内存

MemTotal:      8165644 kB
MemFree:       7562528 kB
Buffers:         70768 kB
Cached:         229996 kB
SwapCached:          0 kB
Active:         446940 kB
Inactive:        86840 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      8165644 kB
LowFree:       7562528 kB
SwapTotal:     2096472 kB
SwapFree:      2096472 kB
Dirty:             436 kB
Writeback:           0 kB
Mapped:         272028 kB
Slab:            32868 kB
CommitLimit:   6179292 kB
Committed_AS:   631868 kB
PageTables:      10320 kB
VmallocTotal: 536870911 kB
VmallocUsed:    263700 kB
可以看出总内存8G

如果查看硬盘容量，df命令一下子就ok了