1、查看当前操作系统内核信息
uname -a
[root@ihdemj0ovr /]# uname -a Linux ihdemj0ovr 3.10.0-957.21.3.el7.x86_64 #1 SMP Tue Jun 18 16:35:19 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
2、查看当前操作系统版本信息
cat /proc/version
[root@ihdemj0ovr /]# cat /proc/version Linux version 3.10.0-957.21.3.el7.x86_64 (mockbuild@kbuilder.bsys.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-36) (GCC) ) #1 SMP Tue Jun 18 16:35:19 UTC 2019
3、查看当前操作系统发行版信息
cat /etc/issue 或 cat /etc/redhat-release
[root@ihdemj0ovr /]# cat /etc/issue S Kernel r on an m [root@ihdemj0ovr /]# cat /etc/redhat-release CentOS Linux release 7.6.1810 (Core)
4、查看cpu相关信息,包括型号、主频、内核信息等
cat /proc/cpuinfo
[root@ihdemj0ovr /]# cat /etc/redhat-release CentOS Linux release 7.6.1810 (Core) [root@ihdemj0ovr /]# cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 79 model name : Intel(R) Xeon(R) CPU E5-2682 v4 @ 2.50GHz stepping : 1 microcode : 0x1 cpu MHz : 2500.028 cache size : 40960 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 1 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : 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 pdpe1gb rdtscp 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 ibrs ibpb stibp fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm rdseed adx smap xsaveopt spec_ctrl intel_stibp bogomips : 5000.05 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 79 model name : Intel(R) Xeon(R) CPU E5-2682 v4 @ 2.50GHz stepping : 1 microcode : 0x1 cpu MHz : 2500.028 cache size : 40960 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 1 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : 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 pdpe1gb rdtscp 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 ibrs ibpb stibp fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm rdseed adx smap xsaveopt spec_ctrl intel_stibp bogomips : 5000.05 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management:
5、列出所有版本信息
lsb_release -a
[root@ihdemj0ovr /]# lsb_release -a LSB Version: :core-4.1-amd64:core-4.1-noarch Distributor ID: CentOS Description: CentOS Linux release 7.6.1810 (Core) Release: 7.6.1810 Codename: Core [root@ihdemj0ovr /]# lsb_release -a -bash: lsb_release: command not found
出现command not found说明没安装lsb_realease,可以执行命令yum install -y redhat-lsb安装lsb_realease,安装完成后,版本信息如下:
[root@ihdemj0ovr /]# lsb_release -a LSB Version: :core-4.1-amd64:core-4.1-noarch Distributor ID: CentOS Description: CentOS Linux release 7.6.1810 (Core) Release: 7.6.1810 Codename: Core
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