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您现在的位置: 中国IT实验室 >> Linux >> 新手入门 >> 常用命令 >> 正文

linux查看内核 cpu mem gcc libc命令

    查看系统内核版本命令:

    uname -a

    more /etc/*release more /etc/redhat-release

    more /proc/version

    [root@localhost ~]# uname -a

    Linux localhost.localdomain 2.6.9-22.ELsmp #1 SMP Mon Sep 19 18 :00:54 EDT 2005 x86_64 x86_64 x86_64 GNU/Linux

    [root@localhost ~]# more /etc/*release

    Red Hat Enterprise Linux AS release 4 (Nahant Update 2 )

    [root@localhost ~]# more /etc/redhat-release

    Red Hat Enterprise Linux AS release 4 (Nahant Update 2 )

    [root@localhost ~]# more /etc/issue

    Red Hat Enterprise Linux AS release 4 (Nahant Update 2 )

    Kernel \r on an \m

    [root@localhost ~]# more /proc/version

    Linux version 2.6.9-22.ELsmp(bhcompile@crowe.devel.redhat.com)(gcc version 3.4.4 20050721(Red Hat 3.4.4-2 )) #1 SMP Mon Se

    p 19 18 :00:54 EDT 2005

    查看cpu 信息

    grep "model name" /proc/cpuinfo

    [root@localhost ~]# grep "model name" /proc/cpuinfo

    model name: Dual-Core AMD Opteron(tm) Processor 2216

    model name: Dual-Core AMD Opteron(tm) Processor 2216

    model name: Dual-Core AMD Opteron(tm) Processor 2216

    model name: Dual-Core AMD Opteron(tm) Processor 2216

    [root@localhost ~]# more /proc/cpuinfo

    processor : 0

    vendor_id : AuthenticAMD

    cpu family: 15

    model : 65

    model name: Dual-Core AMD Opteron(tm) Processor 2216

    stepping: 2

    cpu MHz : 2412.409

    cache size: 1024 KB

    physical id : 0

    siblings: 2

    core id : 0

    cpu cores : 2

    fpu : yes

    fpu_exception : yes

    cpuid level : 1

    wp: yes

    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mcacmov pat pse36 clflush mmx fxsr sse sse2 ht sysca

    ll nx mmxext lm 3dnowext 3dnow pni cx16 ts fid vid ttp芬+3

    bogomips: 4849.66

    TLB size: 1088 4K pages

    clflush size: 64

    cache_alignment : 64

    address sizes : 40 bits physical , 48 bits virtual

    power management: ts fid vid ttp [4] [5]

    processor : 1

    vendor_id : AuthenticAMD

    cpu family: 15

    model : 65

    model name: Dual-Core AMD Opteron(tm) Processor 2216

    stepping: 2

    cpu MHz : 2412.409

    cache size: 1024 KB

    physical id : 0

    siblings: 2

    core id : 1

    cpu cores : 2

    fpu : yes

    fpu_exception : yes

    cpuid level : 1

    wp: yes

    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mcacmov pat pse36 clflush mmx fxsr sse sse2 ht sysca

    ll nx mmxext lm 3dnowext 3dnow pni cx16 ts fid vid ttp芬+3

    bogomips: 4816.89

    TLB size: 1088 4K pages

    clflush size: 64

    cache_alignment : 64

    address sizes : 40 bits physical , 48 bits virtual

    power management: ts fid vid ttp [4] [5]

    processor : 2

    vendor_id : AuthenticAMD

    cpu family: 15

    model : 65

    model name: Dual-Core AMD Opteron(tm) Processor 2216

    stepping: 2

    cpu MHz : 2412.409

    cache size: 1024 KB

    physical id : 1

    siblings: 2

    core id : 2

    cpu cores : 2

    fpu : yes

    fpu_exception : yes

    cpuid level : 1

    wp: yes

    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mcacmov pat pse36 clflush mmx fxsr sse sse2 ht sysca

    ll nx mmxext lm 3dnowext 3dnow pni cx16 ts fid vid ttp芬+3

    bogomips: 4816.89

    TLB size: 1088 4K pages

    clflush size: 64

    cache_alignment : 64

    address sizes : 40 bits physical , 48 bits virtual

    power management: ts fid vid ttp [4] [5]

    processor : 3

    vendor_id : AuthenticAMD

    cpu family: 15

    model : 65

    model name: Dual-Core AMD Opteron(tm) Processor 2216

    stepping: 2

    cpu MHz : 2412.409

    cache size: 1024 KB

    physical id : 1

    siblings: 2

    core id : 3

    cpu cores : 2

    fpu : yes

    fpu_exception : yes

    cpuid level : 1

    wp: yes

    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mcacmov pat pse36 clflush mmx fxsr sse sse2 ht sysca

    ll nx mmxext lm 3dnowext 3dnow pni cx16 ts fid vid ttp芬+3

    bogomips: 4816.89

    TLB size: 1088 4K pages

    clflush size: 64

    cache_alignment : 64

    address sizes : 40 bits physical , 48 bits virtual

    power management: ts fid vid ttp [4] [5]

    查看cpu 的位数

    getconf LONG_BIT

    [root@localhost ~]# getconf LONG_BIT

    64

    [root@localhost ~]# ls /

    bin dev home lib lost+found misc opt root selinux sys tftpboot updateusr

    boot 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-tool

    rpm -qa | grep glibc

    gcc –version

    [root@localhost ~]# ldd /sbin/mii-tool

    libc.so.6 => /lib64/tls/libc.so.6 (0x0000002a9566c000)

    /lib64/ld-linux-x86-64.so.2 (0x0000002a95556000)

    [root@localhost ~]# rpm -qa | grep glibc

    glibc-2.3.4-2.13

    compat-glibc-2.3.2-95.30

    glibc-utils-2.3.4-2.13

    glibc-common-2.3.4-2.13

    glibc-headers-2.3.4-2.13

    glibc-devel-2.3.4-2.13

    compat-glibc-2.3.2-95.30

    glibc-profile-2.3.4-2.13

    glibc-2.3.4-2.13

    glibc-kernheaders-2.4-9.1.98.EL

    compat-glibc-headers-2.3.2-95.30

    glibc-devel-2.3.4-2.13

    [root@localhost ~]# gcc ——version

    gcc (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. Thereis NO

    warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULARPURPOSE.

    查看内存信息

    more /proc/meminfo

    grep MemTotal /proc/meminfo

    [root@localhost ~]# more /proc/meminfo

    MemTotal: 4045176 kB

    MemFree : 2424704 kB

    Buffers : 96884 kB

    Cached: 1027088 kB

    SwapCached: 0 kB

    Active: 807884 kB

    Inactive: 618432 kB

    HighTotal : 0 kB

    HighFree: 0 kB

    LowTotal: 4045176 kB

    LowFree : 2424704 kB

    SwapTotal : 2031608 kB

    SwapFree: 2031608 kB

    Dirty : 24 kB

    Writeback : 0 kB

    Mapped: 346192 kB

    Slab: 170056 kB

    Committed_AS: 487688 kB

    PageTables: 8492 kB

    VmallocTotal: 536870911 kB

    VmallocUsed : 1748 kB

    VmallocChunk: 536868683 kB

    HugePages_Total : 0

    HugePages_Free: 0

    Hugepagesize: 2048 kB

    [root@localhost ~]# grep MemTotal /proc/meminfo

    MemTotal: 4045176 kB

    [root@localhost ~]#

【责编:Zenghui】
中国IT教育
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