Linux查看内核等信息的命令.docx

Linux查看内核、CPU等信息的命令查看系统内核版本命令：uname -amore /etc/*releasemore /etc/redhat-releasemore /proc/versionrootlocalhost # uname -aLinux localhost.localdomain 2.6.9-22.ELsmp #1 SMP Mon Sep 19 18:00:54 EDT 2005 x86_64 x86_64 x86_64 GNU/Linuxrootlocalhost # more /etc/*releaseRed Hat Enterprise Linux AS release 4 (Nahant Update 2)rootlocalhost # more /etc/redhat-releaseRed Hat Enterprise Linux AS release 4 (Nahant Update 2)rootlocalhost # more /etc/issueRed Hat Enterprise Linux AS release 4 (Nahant Update 2)Kernel r on an m rootlocalhost # more /proc/versionLinux version 2.6.9-22.ELsmp () (gcc version 3.4.4 20050721 (Red Hat 3.4.4-2) #1 SMP Mon Sep 19 18:00:54 EDT 2005查看cpu信息grep model name /proc/cpuinforootlocalhost # grep model name /proc/cpuinfomodel name : Dual-Core AMD Opteron(tm) Processor 2216rootlocalhost # more /proc/cpuinfoprocessor : 0vendor_id : AuthenticAMDcpu family : 15model : 65model name : Dual-Core AMD Opteron(tm) Processor 2216stepping : 2cpu MHz : 2412.409cache size : 1024 KBphysical id : 0siblings : 2core id : 0cpu cores : 2fpu : yesfpu_exception : yescpuid level : 1wp : yesflags : 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 lm 3dnowext 3dnow pni cx16 ts fid vid ttp 芬+3bogomips : 4849.66TLB size : 1088 4K pagesclflush size : 64cache_alignment : 64address sizes : 40 bits physical, 48 bits virtualpower management: ts fid vid ttp 4 5processor : 1vendor_id : AuthenticAMDcpu family : 15model : 65model name : Dual-Core AMD Opteron(tm) Processor 2216stepping : 2cpu MHz : 2412.409cache size : 1024 KBphysical id : 0siblings : 2core id : 1cpu cores : 2fpu : yesfpu_exception : yescpuid level : 1wp : yesflags : 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 lm 3dnowext 3dnow pni cx16 ts fid vid ttp 芬+3bogomips : 4816.89TLB size : 1088 4K pagesclflush size : 64cache_alignment : 64address sizes : 40 bits physical, 48 bits virtualpower management: ts fid vid ttp 4 5processor : 2vendor_id : AuthenticAMDcpu family : 15model : 65model name : Dual-Core AMD Opteron(tm) Processor 2216stepping : 2cpu MHz : 2412.409cache size : 1024 KBphysical id : 1siblings : 2core id : 2cpu cores : 2fpu : yesfpu_exception : yescpuid level : 1wp : yesflags : 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 lm 3dnowext 3dnow pni cx16 ts fid vid ttp 芬+3bogomips : 4816.89TLB size : 1088 4K pagesclflush size : 64cache_alignment : 64address sizes : 40 bits physical, 48 bits virtualpower management: ts fid vid ttp 4 5processor : 3vendor_id : AuthenticAMDcpu family : 15model : 65model name : Dual-Core AMD Opteron(tm) Processor 2216stepping : 2cpu MHz : 2412.409cache size : 1024 KBphysical id : 1siblings : 2core id : 3cpu cores : 2fpu : yesfpu_exception : yescpuid level : 1wp : yesflags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca mov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext lm 3dnowext 3dnow pni cx16 ts fid vid ttp 芬+3bogomips : 4816.89TLB size : 1088 4K pagesclflush size : 64cache_alignment : 64address sizes : 40 bits physical, 48 bits virtualpower management: ts fid vid ttp 4 5查看cpu的位数getconf LONG_BITrootlocalhost # getconf LONG_BIT 64rootlocalhost # ls /bin dev home lib lost+found misc opt root selinux sys tftpboot update usrboot etc initrd lib64 media mnt proc sbin srv test tmp updates var要是在root下ls 有lib64文件夹说明系统64查看libc、gcc版本ldd /sbin/mii-toolrpm -qa | grep glibcgcc versionrootlocalhost # ldd /sbin/mii-toollibc.so.6 = /lib64/tls/libc.so.6 (0x0000002a9566c000)/lib64/ld-linux-x86-64.so.2 (0x0000002a95556000)rootlocalhost # rpm -qa | grep glibcglibc-2.3.4-2.13compat-glibc-2.3.2-95.30glibc-utils-2.3.4-2.13glibc-common-2.3.4-2.13glibc-headers-2.3.4-2.13glibc-devel-2.3.4-2.13compat-glibc-2.3.2-95.30glibc-profile-2.3.4-2.13glibc-2.3.4-2.13glibc-kernheaders-2.4-9.1.98.ELcompat-glibc-headers-2.3.2-95.30glibc-devel-2.3.4-2.13rootlocalhost # gcc -versiongcc (GCC) 3.4.4 20050721 (Red Hat 3.4.4-2)Copyright (C) 2004 Free Software Foundation, Inc.This is free software; see the source for copying conditions. There is NOwarranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.查看内存信息more /proc/meminfogrep MemTotal /proc/meminforootlocalhost # more /proc/meminfoMemTotal: 4045176 kBMemFree: 2424704 kBBuffers: 96884 kBCached: 1027088 kBSwapCached: 0 kBActive: 807884 kBInactive: 618432 kBHighTotal: 0 kBHighFree: 0 kBLowTotal: 4045176 kBLowFree: 2424704 kBSwapTotal: 2031608 kBSwapFree: 2031608 kBDirty: 24 kBWriteback: 0 kBMapped: 346192 kBSla