Linux O & M commands

Linux O & M commands

View the operating system information:

[Root @ prod_db_offline3 ~] # Uname-a # view operating system kernel information Linux prod_db_offline3 2.6.32-696.6.3.el6.x86 _ 64 #1 SMP Wed Jul 12 14:17:22 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux [root @ prod_db_offline3 ~] # Lsb_release-aLSB Version: base-4.0-amd64: base-4.0-noarch: core-4.0-amd64: core-4.0-noarchDistributor ID: CentOSDescription: CentOS release 6.8 (Final) Release: 6.8 Codename: Final [root @ prod_db_offline3 ~] # Cat/etc/issue # view the operating system release information CentOS release 6.8 (Final) Kernel \ r on an \ m [root @ prod_db_offline3 ~] # Cat/etc/redhat-release # view the operating system release information CentOS release 6.8 (Final) [root @ prod_db_offline3 ~] # Cat/proc/cpuinfo # view cpu information, including model, clock speed, and kernel information processor: 0vendor_id: GenuineIntelcpu family: 6 model: 62 model name: Intel (R) Xeon (R) CPU E5-2650 v2 @ 2.60 GHzstepping: 4 microcode: 1064cpu MHz: 2600.070 cache size: 20480 KBphysical id: 0 siblings: 1 core id: 0cpu cores: 1 apicid: 0 initial apicid: 0fpu: yesfpu_exception: yescpuid level: 13wp: yesflags: fpu vme de pse tsc msr pae mce cx8 apic sep limit pge mca cmov pat clflush mmx fxsr sse sse2 ht syscall nx limit lm limit rep_good limit pni limit cx16 sse4_1 sse4_2 popcnt aes hypervisor limit: 5200.14 clflush size: 64cache_alignment: 64 address sizes: 46 bits physical, 48 bits virtualpower management: processor: 1vendor_id: GenuineIntelcpu family: 6 model: 62 model name: Intel (R) xeon (R) CPU E5-2650 v2 @ 2.60 GHzstepping: 4 microcode: 1064cpu MHz: 2600.070 cache size: 20480 KBphysical id: 2 siblings: 1 core id: 0cpu cores: 1 apicid: 2 initial apicid: 2fpu: yesfpu_exception: yescpuid level: 13wp: yesflags: fpu vme de pse tsc msr pae mce cx8 apic sep limit pge mca cmov pat clflush mmx fxsr sse sse2 ht syscall nx limit lm limit rep_good limit pni limit cx16 sse4_1 sse4_2 popcnt aes hypervisor limit: 537.86 clflush size: 64cache_alignment: 64 address sizes: 46 bits physical, 48 bits virtualpower management: