Linux怎么查看CPU内存和系统版本

[whb@VM_0_12_centos test]$ cat /proc/cpuinfoprocessor  : 0vendor_id  : GenuineIntelcpu family  : 6model    : 79model name  : Intel(R) Xeon(R) CPU E5-26xx v4stepping  : 1microcode  : 0x1cpu MHz    : 2399.996cache size  : 4096 KBphysical id  : 0siblings  : 1core id    : 0cpu cores  : 1apicid    : 0initial apicid  : 0fpu    : yesfpu_exception  : yescpuid level  : 13wp    : yesflags    : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx lm constant_tsc rep_good nopl eagerfpu pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch bmi1 avx2 bmi2 rdseed adx xsaveoptbogomips  : 4799.99clflush size  : 64cache_alignment  : 64address sizes  :

#方法一[whb@VM_0_12_centos test]$ top #输入top查看CPU使用情况,可以输入1，查看多核CPU使用情况asks:  74 total,   2 running,  72 sleeping,   0 stopped,   0 zombie%Cpu(s):  0.0 us,  0.0 sy,  0.0 ni,100.0 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 stKiB Mem :  1882892 total,   148092 free,   403032 used,  1331768 buff/cacheKiB Swap:        0 total,        0 free,        0 used.  1274708 avail Mem   PID USER      PR  NI    VIRT    RES    SHR S %CPU %MEM     TIME+ COMMAND 3677 root      20   0  162348  10684   1364 S  1.1  0.6  91:47.96 barad_agent 3678 root      20   0  611460  13444   1484 S  1.1  0.7 462:59.39 barad_agent    1 root      20   0   51644   3056   1840 S  0.0  0.2  12:14.31 systemd    2 root      20   0       0      0      0 S  0.0  0.0   0:00.66 kthreadd    3 root      20   0       0      0      0 S  0.0  0.0   2:00.04 ksoftirqd/0#方法二[whb@VM_0_12_centos test]$ dstat -c #不存在，centos上可使用 yum -y install dstat 安装

[whb@VM_0_12_centos test]$ cat /proc/meminfo MemTotal:        1882892 kBMemFree:          147760 kBMemAvailable:    1275048 kBBuffers:          165600 kBCached:           878652 kBSwapCached:            0 kBActive:           891404 kB...

[whb@VM_0_12_centos test]$ free               total        used        free      shared  buff/cache   availableMem:        1882892      403124      146836         544     1332932     1274648Swap:             0           0           0[whb@VM_0_12_centos test]$ free -k #安装KB为单位显示              total        used        free      shared  buff/cache   availableMem:        1882892      402988      146964         544     1332940     1274788Swap:             0           0           0[whb@VM_0_12_centos test]$ free -m #安装MB为单位进行显示              total        used        free

[whb@VM_0_12_centos test]$ uname -aLinux VM_0_12_centos 3.10.0-862.el7.x86_64 #1 SMP Fri Apr 20 16:44:24 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux[whb@VM_0_12_centos test]$ cat /etc/redhat-release  #如果是centos机器，可以直接查看更细致版本CentOS Linux release 7.5.1804 (Core)