1. #!/bin/bash
    2. #===============================
    3. system_info()
    4. {
    5.    echo "====================系统信息========================"
    6.    VERSION=`cat /etc/redhat-release| awk 'NR==1{print}'`
    7.    KERNEL=`uname -a|awk '{print $3}'`
    8.    HOSTNAME=`uname -a|awk '{print $2}'`
    9.    cat /etc/issue &> /dev/null
    10.    if [ "$?" -ne 0 ];then
    11.    echo -e "\033[31m The system is no support \033[0m"
    12.    exit 1
    13.    else
    14.       echo -e "system_version is \033[32m $VERSION \033[0m"
    15.       echo -e "system_kernel_version is  \033[32m $KERNEL \033[0m"
    16.       echo -e "system_hostname is \033[32m $HOSTNAME \033[0m"
    17.    fi
    19. }
    21. disk_info ()
    22. {
    23.    echo "======================磁盘信息========================"
    24.    DISK=$(df -ThP|column -t)
    25.    echo -e "\033[32m $DISK \033[0m"
    26. }
    28. cpu_info ()
    29. {
    30.    echo "=======================CPU信息========================"
    31.    echo -e "cpu processor is \033[32m $(grep "processor" /proc/cpuinfo |wc -l) \033[0m"
    32.    echo -e "cpu mode name is \033[32m $(grep "model name" /proc/cpuinfo |uniq|awk '{print $4,$5,$6,$7,$8,$9}') \033[0m"
    33.    grep "cpu MHz" /proc/cpuinfo |uniq |awk '{print $1,$2":"$4}'
    34.    awk '/cache size/ {print $1,$2":"$4$5}' /proc/cpuinfo |uniq
    35. }
    37. mem_info ()
    38. {
    39.    echo "====================内存信息========================"
    40.    MemTotal=$(awk '/MemTotal/ {print $2}' /proc/meminfo)
    41.    MemFree=$(awk '/MemFree/ {print $2}' /proc/meminfo)
    42.    Buffers=$(awk '/^Buffers:/ {print $2}' /proc/meminfo)
    43.    Cached=$(awk '/^Cached:/ {print $2}' /proc/meminfo)
    44.    FreeMem=$(($MemFree/1024+$Buffers/1024+$Cached/1024))
    45.    UsedMem=$(($MemTotal/1024-$FreeMem))
    46.    echo -e "Total memory is \033[32m $(($MemTotal/1024)) MB \033[0m"
    47.    echo -e "Free  memory is \033[32m ${FreeMem} MB \033[0m"
    48.    echo -e "Used  memory is \033[32m ${UsedMem} MB \033[0m"
    49. }
    51. loadavg_info ()
    52. {
    53.    echo "==================负载均衡信息===================="
    54.    Load1=$(awk  '{print $1}' /proc/loadavg)
    55.    Load5=$(awk  '{print $2}' /proc/loadavg)
    56.    Load10=$(awk '{print $3}' /proc/loadavg)
    57.    echo -e "Loadavg in 1  min is \033[32m $Load1 \033[0m"
    58.    echo -e "Loadavg in 5  min is \033[32m $Load5 \033[0m"
    59.    echo -e "Loadavg in 10 min is \033[32m $Load10 \033[0m"
    60. }
    62. network_info ()
    63. {
    64.    echo "====================网络信息======================="
    65.    network_card=$(ip addr |grep inet |egrep -v "inet6|127.0.0.1" | awk '{print $NF}')
    66.    IP=$(ip addr |grep inet |egrep -v "inet6|127.0.0.1" |awk '{print $2}' |awk -F "/" '{print $1}') 
    67.    echo -e "network_device is \033[32m $network_card \033[0m  address is  \033[32m $IP \033[0m"
    68. }
    70. system_info
    71. disk_info 
    72. cpu_info
    73. mem_info 
    74. loadavg_info   
    75. network_info