脚本如容如下:

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lvse= "\033[32m"
zise= "\033[35m"
end= "\033[0m"
dmidestatus=$(rpm -qa |  grep  dmidecode |  wc  -l)
totalmemkb=$( cat  /proc/meminfo  |  grep  "MemTotal"  |  awk  '{print $2}' )
echo  -e  "                   " ${zise} "System Date:" ${end}${lvse}$( date  + "%F %T" )${end}
echo  -e  "                   " ${zise} "System Name:" ${end}${lvse}$([ -f  /etc/redhat-release  ] &&  cat  /etc/redhat-release  ||  uname  -o)${end}
echo  -e  "                " ${zise} "System machine:" ${end}${lvse}$( uname  -m)${end}
echo  -e  "                 " ${zise} "System uptime:" ${end}${lvse}$(uptime)${end}
if  [ $dmidestatus - eq  1 ]; then  echo  -e  "                " ${zise} "System Product:" ${end}${lvse}$(dmidecode -s system-product-name) ${end}; fi
if  [ $dmidestatus - eq  1 ]; then  echo  -e  "                 " ${zise} "System Serial:" ${end}${lvse}$(dmidecode -s system-serial-number) ${end}; fi
echo  -e  "                    " ${zise} "Login User:" ${end}${lvse}$( whoami )${end}
echo  -e  "                      " ${zise} "Login IP:" ${end}${lvse}$(w |  grep  pts |  head  -n 1 |  awk  '{print $3}' )${end}
echo  -e  "                           " ${zise} "Cpu:" ${end}${lvse}$( cat  /proc/cpuinfo  |  grep  "model name"  |  tail  -n 1 |  awk  -F  ":"  '{print $2}'  |  sed  '
s/           /  /g ')
echo  -e  "                      " ${zise} "Cpu Core:" ${end}${lvse}$( cat  /proc/cpuinfo  |  grep  "model name"  |  wc  -l)${end}
echo  -e  "                     " ${zise} "Cpu Count:" ${end}${lvse}$( cat  /proc/cpuinfo  |  grep  "physical id"  |  sort  -u |  wc  -l)${end}
echo  -e  "                        " ${zise} "Memory:" ${end}${lvse}$((totalmemkb /1000000 )) " GB" ${end}
echo  -e  "                     " ${zise} "interface:" ${end}${lvse} $(ip addr show |  grep  inet |  egrep  - v  "lo$|:"  |   awk  '{print $NF,": " $2}' )${end}

把如上内容放入/etc/ssh/sshrc 文件  如果没有次文件 就新建,然后退出登录  重新登陆 显示如下:

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                    System Date:2017-07-19 14:25:41
                    System Name:CentOS release 6.5 (Final)
                 System machine:x86_64
                  System uptime: 14:25:41 up 89 days, 13:35, 2  users , load average: 0.07, 0.04, 0.00
                 System Product:PowerEdge R610 
                  System Serial:1111111
                     Login User:root
                       Login IP:2.2.2.2
                            Cpu: Intel(R) Xeon(R) CPU L5630 @ 2.13GHz
                       Cpu Core:16
                      Cpu Count:2
                         Memory:8
                      interface: em1 : 1.1.1.1 /27  em2 : 192.168.1.2 /24