linux cpu ,memory,disk info

xiaoxiao2026-06-14  7

查看系统内核版本命令: uname -a more /etc/*release more /etc/redhat-release more /proc/version # 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 # more /etc/*release Red Hat Enterprise Linux AS release 4 (Nahant Update 2 ) # more /etc/redhat-release Red Hat Enterprise Linux AS release 4 (Nahant Update 2 ) # more /etc/issue Red Hat Enterprise Linux AS release 4 (Nahant Update 2 ) Kernel \r on an \m # 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 # 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 # more /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family: 15 a 查看cpu 的位数 getconf LONG_BIT # getconf LONG_BIT # 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 # ldd /sbin/mii-tool libc.so.6 => /lib64/tls/libc.so.6 (0x0000002a9566c000) /lib64/ld-linux-x86-64.so.2 (0x0000002a95556000) # rpm -qa | grep glibc glibc-2.3.4-2.13 # 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 # more /proc/meminfo Hugepagesize: 2048 kB # grep MemTotal /proc/meminfo MemTotal: 4045176 kB # ======================================= 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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