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pterodactyl
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linux cpu ,memory,disk info

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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
a

    查看cpu 的位数

    getconf LONG_BIT

    [root@localhost ~]# getconf LONG_BIT

    [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

    [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
 
    Hugepagesize: 2048 kB

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

    MemTotal: 4045176 kB

    [root@localhost ~]#

=======================================
引:点击任务栏左下角的图标,在弹出的菜单中选择“系统设置--日期&时间”,进入“日期/时间属性”窗口进行修改。

  一、文本模式下修改

  命令及参数选项:date -s 

  示例如下:

  #date -s 04/11/2008 ------将系统时间设定成2008年4月11日

  #date -s 22:24:30 ------将系统时间设定成22点24分30秒

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