Recommend a shell script to get the Linux server (Ubuntu, CentOS tested) information

This script has been tested on the Ubuntu and CentOS versions, and the source code is much more straightforward:

The code is as follows

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#!/bin/bash Line= ' =========== ' #linux发行版名称 if [[-f/usr/bin/lsb_release]]; Then os=$ (/usr/bin/lsb_release-a |grep Description |awk-f: ' {print $} ' |sed ' s/^[t]*//g ') Else os=$ (cat/etc/issue |sed-n ' 1p ') Fi Echo-e "${line}nos:n${os}n${line}" ###################################################################################################### #查看系统是否为64位: Uname-m, if x86_64 is present, it is 64 digits. os_version=$ (UNAME-M) Echo-e "Os_version:n${os_version}n${line}" #系统内核版本 kernel_version=$ (UNAME-R) Echo-e "Kernel_version:n${kernel_version}n${line}" #cpu型号 cpu=$ (grep ' model name '/proc/cpuinfo |uniq |awk-f: ' {print $} ' |sed ' s/^[', t]*//g ' |sed ' s/+/'/g ') Echo-e "CPU Model:n${cpu}n${line}" #物理cpu个数 counts=$ (grep ' physical id '/proc/cpuinfo |sort |uniq |wc-l) Echo-e "total of physical Cpu:n${counts}n${line}" #物理cpu内核数 cores=$ (grep ' CPU cores '/proc/cpuinfo |uniq |awk-f: ' {print $} ' |sed ' s/^[t]*//g ') Echo-e "Number of CPU Coresn${cores}n${line}" #逻辑cpu个数 processor=$ (grep ' PROCESSOR '/proc/cpuinfo |sort |uniq |wc-l) ECHO-E "Number of logical Cpus:n${processor}n${line}" #查看CPU当前运行模式是64位还是32位 mode=$ (getconf long_bit) Echo-e "Present Mode of Cpu:n${mode}n${line}" #查看CPU是否支持64位技术: grep ' flags '/proc/cpuinfo, support for 64-bit if the flags information contains LM fields numbers=$ (grep ' lm '/proc/cpuinfo |wc-l) if ((${numbers} > 0)); Then lm=64 else lm=32 Fi Echo-e "Support Mode of Cpu:n${lm}n${line}" ###################################################################### #Memtotal Total Memory Size total=$ (cat/proc/meminfo |grep ' memtotal ' |awk-f: ' {print $} ' |sed ' s/^[t]*//g ') Echo-e "Total Memory:n${total}n${line}" #系统支持最大内存 max_capacity=$ (dmidecode-t memory-q |grep ' Maximum Capacity ' |awk-f: ' {print $} ' |sed ' s/^[t]*//g ') Echo-e "Maxinum Memory Capacity:n${max_capacity}n${line}" #查看内存类型, frequency, number, maximum support memory, and other information: dmidecode-t memory, or Dmidecode | Grep-a16 "Memory device$" #下面为统计内存条数 number=$ (Dmidecode | grep-a16 "Memory device$" |grep size|sort |sed ' s/^[t]*//g ' | grep-v ' No Module installed ' | wc-l) ECHO-E "Number of physical Memory:n${number}n${line}" Total size of #SwapTotal swap partition swaptotal=$ (cat/proc/meminfo |grep ' swaptotal ' |awk-f: ' {print $} ' |sed ' s/^[t]*//g ') Echo-e "Total Swap:n${swaptotal}n${line}" #Buffers size buffers=$ (cat/proc/meminfo |grep ' buffers ' |awk-f: ' {print $} ' |sed ' s/^[t]*//g ') Echo-e "Buffers:n${buffers}n${line}" #Cached size cached=$ (cat/proc/meminfo |grep ' <Cached> ' |awk-f: ' {print $} ' |sed ' s/^[t]*//g ') Echo-e "Cached:n${cached}n${line}" #空闲内存 + Buffers/cache available=$ (free-m |grep-|awk-f: ' {print $} ' |awk ' {print $} ') Echo-e "Available memory:n${available} Mbn${line}" #显示硬盘, and size disk=$ (fdisk-l |grep ' Disk ' |awk-f, ' {print $} ' | sed ' s/disk identifier.*//g ' | sed '/^$/d ') Echo-e "Amount of Disks:n${disk}n${line}" #各挂载分区使用情况 partion=$ (Df-hlp |sed-n ' 2, $p ') Echo-e "Usage of Partions:n${partion}n${line}"

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Test results show:

The code is as follows

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=========== OS: Red Hat Enterprise Linux Server release 5.6 (Tikanga) =========== Os_version: i686 =========== Kernel_version: 2.6.18-238.el5 =========== CPU Model: AMD a6-3400m APU with Radeon (tm) HD Graphics =========== Total of physical CPUs: 2 =========== Number of CPU cores 2 =========== Number of logical CPUs: 4 =========== Present Mode of CPU: 32 =========== Support Mode of CPU: 64 =========== Total Memory: 514744 KB =========== Maxinum Memory Capacity: 1024 GB =========== Number of physical Memory: 1 =========== Total Swap: 1044216 KB =========== Buffers: 101936 KB =========== Cached: 267356 KB =========== Available Memory: 369 MB =========== Amount of disks: disk/dev/sda:107.3 GB =========== Usage of Partions: /dev/sda3 96G 4.6G 87G 6%/ /DEV/SDA1 99M 12M 83M 13%/boot Tmpfs 252M 0 252M 0%/dev/shm /DEV/HDC 3.0G 3.0G 0 100%/media/rhel_5.6 i386 DVD ===========