一、Linux查看版本当前操作系统内核信息 uname -a
[root@server001 ~]# uname -a Linux server001 3.10.0-1160.71.1.el7.x86_64 #1 SMP Tue Jun 28 15:37:28 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux [root@server001 ~]#
二、Linux查看当前操作系统版本信息 cat /proc/version
[root@server001 ~]# cat /proc/version Linux version 3.10.0-1160.71.1.el7.x86_64 (mockbuild@kbuilder.bsys.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-44) (GCC) ) #1 SMP Tue Jun 28 15:37:28 UTC 2022 [root@server001 ~]#
三、Linux查看版本当前操作系统发行版信息 cat /etc/issue
[root@server001 ~]# cat /etc/issue \S Kernel \r on an \m [root@server001 ~]#
四、Linux查看cpu相关信息，包括型号、主频、内核信息等 cat /proc/cpuinfo
[root@server001 ~]# cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 23 model : 49 model name : AMD EPYC 7K62 48-Core Processor stepping : 0 microcode : 0x1000065 cpu MHz : 2595.124 cache size : 512 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 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 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm art rep_good nopl extd_apicid eagerfpu pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext retpoline_amd ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 arat bogomips : 5190.24 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: processor : 1 vendor_id : AuthenticAMD cpu family : 23 model : 49 model name : AMD EPYC 7K62 48-Core Processor stepping : 0 microcode : 0x1000065 cpu MHz : 2595.124 cache size : 512 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 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 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm art rep_good nopl extd_apicid eagerfpu pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext retpoline_amd ibpb vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 arat bogomips : 5190.24 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: [root@server001 ~]#
五、Linux查看版本说明当前CPU运行在32bit模式下， 但不代表CPU不支持64bit
getconf LONG_BIT
[root@server001 ~]# [root@server001 ~]# getconf LONG_BIT 64 [root@server001 ~]#
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