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Linux服务器巡检脚本

很多时候我们需要进行服务器巡查,但是每台服务器都去检查有点费时费力。不想写了,直接看图吧

#!/bin/bash
#参数定义
date=`date +"%Y-%m-%d-%H:%M:%S"`
centosVersion=$(awk '{print $(NF-1)}' /etc/redhat-release)
VERSION=`date +%F`
#日志相关
LOGPATH="/tmp/awr"
[ -e $LOGPATH ] || mkdir -p $LOGPATH
RESULTFILE="$LOGPATH/HostCheck-`hostname`-`date +%Y%m%d`.txt"

#调用函数库
\[ -f /etc/init.d/functions \] \&\& source /etc/init.d/functions
export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
source /etc/profile


#root用户执行脚本
\[ $(id -u) -gt 0 \] \&\& echo "请用root用户执行此脚本!" \&\& exit 1


function version(){
echo ""
echo ""
echo "\[${date}\] \>\>\> `hostname -s` 主机巡检"
}


function getSystemStatus(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*****系统检查**** \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
if \[ -e /etc/sysconfig/i18n \];then
default_LANG="$(grep "LANG=" /etc/sysconfig/i18n \| grep -v "\^#" \| awk -F '"' '{print $2}')"
else
default_LANG=$LANG
fi
export LANG="en_US.UTF-8"
Release=$(cat /etc/redhat-release 2\>/dev/null)
Kernel=$(uname -r)
OS=$(uname -o)
Hostname=$(uname -n)
SELinux=$(/usr/sbin/sestatus \| grep "SELinux status: " \| awk '{print $3}')
LastReboot=$(who -b \| awk '{print $3,$4}')
uptime=$(uptime \| sed 's/.*up (\[\^,\]*), ./\\1/')
echo "     系统:$OS"
echo " 发行版本:$Release"
echo "     内核:$Kernel"
echo "   主机名:$Hostname"
echo "  SELinux:$SELinux"
echo "语言/编码:$default_LANG"
echo " 当前时间:$(date +'%F %T')"
echo " 最后启动:$LastReboot"
echo " 运行时间:$uptime"
export LANG="$default_LANG"
}


function getCpuStatus(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*CPU检查\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
Physical_CPUs=$(grep "physical id" /proc/cpuinfo\| sort \| uniq \| wc -l)
Virt_CPUs=$(grep "processor" /proc/cpuinfo \| wc -l)
CPU_Kernels=$(grep "cores" /proc/cpuinfo\|uniq\| awk -F ': ' '{print $2}')
CPU_Type=$(grep "model name" /proc/cpuinfo \| awk -F ': ' '{print $2}' \| sort \| uniq)
CPU_Arch=$(uname -m)
echo "物理CPU个数:$Physical_CPUs"
echo "逻辑CPU个数:$Virt_CPUs"
echo "每CPU核心数:$CPU_Kernels"
echo "    CPU型号:$CPU_Type"
echo "    CPU架构:$CPU_Arch"
}


function getMemStatus(){
echo ""
echo  -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***内存检查**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
if \[\[ $centosVersion \< 7 \]\];then
free -mo
else
free -h
fi
#报表信息
MemTotal=$(grep MemTotal /proc/meminfo\| awk '{print $2}') #KB
MemFree=$(grep MemFree /proc/meminfo\| awk '{print $2}') #KB
let MemUsed=MemTotal-MemFree
MemPercent=$(awk "BEGIN {if($MemTotal==0){printf 100}else{printf "%.2f",$MemUsed100/$MemTotal}}")
}


function getDiskStatus(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\******磁盘检查****\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
df -hiP \| sed 's/Mounted on/Mounted/'\> /tmp/inode
df -hTP \| sed 's/Mounted on/Mounted/'\> /tmp/disk
join /tmp/disk /tmp/inode \| awk '{print $1,$2,"\|",$3,$4,$5,$6,"\|",$8,$9,$10,$11,"\|",$12}'\| column -t
#报表信息
diskdata=$(df -TP \| sed '1d' \| awk '$2!="tmpfs"{print}') #KB
disktotal=$(echo "$diskdata" \| awk '{total+=$3}END{print total}') #KB
diskused=$(echo "$diskdata" \| awk '{total+=$4}END{print total}') #KB
diskfree=$((disktotal-diskused)) #KB
diskusedpercent=$(echo $disktotal $diskused \| awk '{if($1==0){printf 100}else{printf "%.2f",$2*100/$1}}')
inodedata=$(df -iTP \| sed '1d' \| awk '$2!="tmpfs"{print}')
inodetotal=$(echo "$inodedata" \| awk '{total+=$3}END{print total}')
inodeused=$(echo "$inodedata" \| awk '{total+=$4}END{print total}')
inodefree=$((inodetotal-inodeused))
inodeusedpercent=$(echo $inodetotal $inodeused \| awk '{if($1==0){printf 100}else{printf "%.2f",$2100/$1}}')
}


function get_resource(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*资源消耗统计\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"


    echo -e "\033[36m*************带宽资源消耗统计*************\033[0m"
    #用数组存放网卡名
    nic=(`ifconfig | grep ^[a-z] | grep -vE 'lo|docker0'| awk -F: '{print $1}'`)
    time=`date "+%Y-%m-%d %k:%M"`
    num=0

    for ((i=0;i&lt;${#nic[@]};i++))
    do
       #循环五次,避免看到的是偶然的数据
       while (( $num&lt;5 ))
       do
         rx_before=$(cat /proc/net/dev | grep '${nic[$i]}' | tr : " " | awk '{print $2}')
         tx_before=$(cat /proc/net/dev | grep '${nic[$i]}' | tr : " " | awk '{print $10}')
         sleep 2
         #用sed先获取第7列,再用awk获取第2列,再cut切割,从第7个到最后,即只切割网卡流量数字部分
         rx_after=$(cat /proc/net/dev | grep '${nic[$i]}' | tr : " " | awk '{print $2}')
         tx_after=$(cat /proc/net/dev | grep '${nic[$i]}' | tr : " " | awk '{print $10}')
         #注意下面截取的相差2秒的两个时刻的累计和发送的bytes(即累计传送和接收的位)
         rx_result=$[(rx_after-rx_before)/1024/1024/2*8]
         tx_result=$[(tx_after-tx_before)/1024/1024/2*8]
         echo  "$time Now_In_Speed: $rx_result Mbps  Now_OUt_Speed: $tx_result Mbps" &gt;&gt; /tmp/network.txt
         let "num++"
       done
       #注意下面grep后面的$time变量要用双引号括起来
       rx_result=$(cat /tmp/network.txt|grep "$time"|awk '{In+=$4}END{print In}')
       tx_result=$(cat /tmp/network.txt|grep "$time"|awk '{Out+=$7}END{print Out}')
       In_Speed=$(echo "scale=2;$rx_result/5"|bc)
       Out_Speed=$(echo "scale=2;$tx_result/5"|bc)
       echo -e  "\033[32m In_Speed_average: $In_Speed Mbps Out_Speed_average: $Out_Speed Mbps! \033[0m" 
    done


    echo -e "\033[36m*************CPU资源消耗统计*************\033[0m"

    #使用vmstat 1 5命令统计5秒内的使用情况,再计算每秒使用情况
    total=`vmstat 1 5|awk '{x+=$13;y+=$14}END{print x+y}'`
    cpu_average=$(echo "scale=2;$total/5"|bc)

    #判断CPU使用率(浮点数与整数比较)
    if [ `echo "${cpu_average} &gt; 70" | bc` -eq 1 ];then
        echo -e  "\033[31m Total CPU is already use: ${cpu_average}%,请及时处理!\033[0m" 
    else 
        echo -e  "\033[32m Total CPU is already use: ${cpu_average}%! \033[0m" 
    fi


    echo -e "\033[36m*************磁盘资源消耗统计*************\033[0m"
    #磁盘使用情况(注意:需要用sed先进行格式化才能进行累加处理)
    disk_used=$(df -m | sed '1d;/ /!N;s/\n//;s/ \+/ /;' | awk '{used+=$3} END{print used}')
    disk_totalSpace=$(df -m | sed '1d;/ /!N;s/\n//;s/ \+/ /;' | awk '{totalSpace+=$2} END{print totalSpace}')
    disk_all=$(echo "scale=4;$disk_used/$disk_totalSpace" | bc)
    disk_percent1=$(echo $disk_all | cut -c 2-3)
    disk_percent2=$(echo $disk_all | cut -c 4-5)
    disk_warning=`df -m | sed '1d;/ /!N;s/\n//;s/ \+/ /;' | awk '{if ($5&gt;85) print $6 "目录使用率:" $5;} '`

    echo -e  "\033[32m Total disk has used: $disk_percent1.$disk_percent2% \033[0m" 
    #echo -e "\t\t.." 表示换行
    if [ -n  "$disk_warning" ];then
        echo -e "\033[31m${disk_warning} \n [Error]以上目录使用率超过85%,请及时处理!\033[0m" 
    fi

    echo -e "\033[36m*************内存资源消耗统计*************\033[0m"

    #获得系统总内存
    memery_all=$(free -m | awk 'NR==2' | awk '{print $2}')
    #获得占用内存(操作系统 角度)
    system_memery_used=$(free -m | awk 'NR==2' | awk '{print $3}')
    #获得buffer、cache占用内存,当内存不够时会及时回收,所以这两部分可用于可用内存的计算
    buffer_used=$(free -m | awk 'NR==2' | awk '{print $6}')
    cache_used=$(free -m | awk 'NR==2' | awk '{print $7}')
    #获得被使用内存,所以这部分可用于可用内存的计算,注意计算方法
    actual_used_all=$[memery_all-(free+buffer_used+cache_used)]
    #获得实际占用的内存
    actual_used_all=`expr $memery_all - $free + $buffer_used + $cache_used `
    memery_percent=$(echo "scale=4;$system_memery_used / $memery_all" | bc)
    memery_percent2=$(echo "scale=4; $actual_used_all / $memery_all" | bc)
    percent_part1=$(echo $memery_percent | cut -c 2-3)
    percent_part2=$(echo $memery_percent | cut -c 4-5)
    percent_part11=$(echo $memery_percent2 | cut -c 2-3)
    percent_part22=$(echo $memery_percent2 | cut -c 4-5)

    #获得占用内存(操作系统角度)
    echo -e "\033[32m system memery is already use: $percent_part1.$percent_part2% \033[0m"
    #获得实际内存占用率
    echo -e "\033[32m actual memery is already use: $percent_part11.$percent_part22% \033[0m"
    echo -e "\033[32m buffer is already used : $buffer_used M \033[0m"
    echo -e "\033[32m cache is already used : $cache_used M \033[0m"




}


function getServiceStatus(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*********服务检查**** \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
echo ""
if \[\[ $centosVersion \> 7 \]\];then
conf=$(systemctl list-unit-files --type=service --state=enabled --no-pager \| grep "enabled")
process=$(systemctl list-units --type=service --state=running --no-pager \| grep ".service")
else
conf=$(/sbin/chkconfig \| grep -E ":on\|:启用")
process=$(/sbin/service --status-all 2\>/dev/null \| grep -E "is running\|正在运行")
fi
echo -e "\\033\[36m\*\*\*\*\*\*\*\*\*\*\*\*\*\*****服务配置\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
echo "$conf" \| column -t
echo ""
echo -e "\\033\[36m******\*\*\*\*\*\*\*\*正在运行的服务**\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
echo "$process"
}


function getAutoStartStatus(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*自启动检查\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
echo -e "\\033\[36m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*自启动命令\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
conf=$(grep -v "\^#" /etc/rc.d/rc.local\| sed '/\^$/d')
echo "$conf"

}


function getLoginStatus(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***登录检查**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
last \| head
}


function getNetworkStatus(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***网络检查**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
if \[\[ $centosVersion \< 7 \]\];then
/sbin/ifconfig -a \| grep -v packets \| grep -v collisions \| grep -v i
net6
else
#ip a
for i in $(ip link \| grep BROADCAST \| awk -F: '{print $2}');do ip add show $i \| grep -E "BROADCAST\|global"\| awk '{print $2}' \| tr '\\n' ' ' ;echo "" ;done
fi
GATEWAY=$(ip route \| grep default \| awk '{print $3}')
DNS=$(grep nameserver /etc/resolv.conf\| grep -v "#" \| awk '{print $2}' \| tr '\\n' ',' \| sed 's/,$//')
echo ""
echo "网关:$GATEWAY "
echo "DNS:$DNS"
#报表信息
IP=$(ip -f inet addr \| grep -v 127.0.0.1 \|  grep inet \| awk '{print $NF,$2}' \| tr '\\n' ',' \| sed 's/,$//')
MAC=$(ip link \| grep -v "LOOPBACK\|loopback" \| awk '{print $2}' \| sed 'N;s/\\n//' \| tr '\\n' ',' \| sed 's/,$//')
echo ""
ping -c 4 www.baidu.com \>/dev/null 2\>\&1
if \[ $? -eq 0 \];then
echo ""
echo -e "\\033\[32m网络连接:正常!\\033\[0m"
else
echo ""
echo -e "\\033\[31m网络连接:异常!\\033\[0m"
fi
}


function getListenStatus(){
echo ""
echo  -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*监听检查\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
TCPListen=$(ss -ntul \| column -t)
echo "$TCPListen"
}


function getCronStatus(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\********计划任务检查**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
Crontab=0
for shell in $(grep -v "/sbin/nologin" /etc/shells);do
for user in $(grep "$shell" /etc/passwd\| awk -F: '{print $1}');do
crontab -l -u $user \>/dev/null 2\>\&1
status=$?
if \[ $status -eq 0 \];then
echo -e "\\033\[36m****\*\*\*\*\*\*\*\*$user用户的定时任务\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
crontab -l -u $user
let Crontab=Crontab+$(crontab -l -u $user \| wc -l)
echo ""
fi
done
done
#计划任务
#find /etc/cron* -type f \| xargs -i ls -l {} \| column -t
#let Crontab=Crontab+$(find /etc/cron -type f \| wc -l)
}


function getHowLongAgo(){
# 计算一个时间戳离现在有多久了
datetime="$"
\[ -z "$datetime" \] \&\& echo `stat /etc/passwd|awk "NR==6"`
Timestamp=$(date +%s -d "$datetime")  
Now_Timestamp=$(date +%s)
Difference_Timestamp=$(($Now_Timestamp-$Timestamp))
days=0;hours=0;minutes=0;
sec_in_day=$((606024));
sec_in_hour=$((6060));
sec_in_minute=60
while (( $(($Difference_Timestamp-$sec_in_day)) \> 1 ))
do
let Difference_Timestamp=Difference_Timestamp-sec_in_day
let days++
done
while (( $(($Difference_Timestamp-$sec_in_hour)) \> 1 ))
do
let Difference_Timestamp=Difference_Timestamp-sec_in_hour
let hours++
done
echo "$days 天 $hours 小时前"
}


function getUserLastLogin(){
# 获取用户最近一次登录的时间,含年份
# 很遗憾last命令不支持显示年份,只有"last -t YYYYMMDDHHMMSS"表示某个时间之间的登录,我
# 们只能用最笨的方法了,对比今天之前和今年元旦之前(或者去年之前和前年之前......)某个用户
# 登录次数,如果登录统计次数有变化,则说明最近一次登录是今年。
username=$1
: ${username:="`whoami`"}
thisYear=$(date +%Y)
oldesYear=$(last \| tail -n1 \| awk '{print $NF}')
while(( $thisYear \>= $oldesYear));do
loginBeforeToday=$(last $username \| grep $username \| wc -l)
loginBeforeNewYearsDayOfThisYear=$(last $username -t $thisYear"0101000000" \| grep $username \| wc -l)
if \[ $loginBeforeToday -eq 0 \];then
echo "从未登录过"
break
elif \[ $loginBeforeToday -gt $loginBeforeNewYearsDayOfThisYear \];then
lastDateTime=$(last -i $username \| head -n1 \| awk '{for(i=4;i\<(NF-2);i++)printf"%s ",$i}')" $thisYear"
lastDateTime=$(date "+%Y-%m-%d %H:%M:%S" -d "$lastDateTime")
echo "$lastDateTime"
break
else
thisYear=$((thisYear-1))
fi
done
}


function getUserStatus(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***********用户检查**** \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
#/etc/passwd 最后修改时间
pwdfile="$(cat /etc/passwd)"
Modify=$(stat /etc/passwd \| grep Modify \| tr '.' ' ' \| awk '{print $2,$3}')
echo "/etc/passwd: $Modify ($(getHowLongAgo $Modify))"
echo ""
echo -e "\\033\[36m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***特权用户\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
RootUser=""
for user in $(echo "$pwdfile" \| awk -F: '{print $1}');do
if \[ $(id -u $user) -eq 0 \];then
echo "$user"
RootUser="$RootUser,$user"
fi
done
echo ""
echo -e "\\033\[36m\*\*\*\*\*\*\*\*\*\*\*\*\*\*****用户列表\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
USERs=0
echo "$(
echo "用户名 UID GID HOME SHELL 最后一次登录"
for shell in $(grep -v "/sbin/nologin" /etc/shells);do
for username in $(grep "$shell" /etc/passwd\| awk -F: '{print $1}');do
userLastLogin="$(getUserLastLogin $username)"
echo "$pwdfile" \| grep -w "$username" \|grep -w "$shell"\| awk -F: -v lastlogin="$(echo "$userLastLogin" \| tr ' ' '_')" '{print $1,$3,$4,$6,$7,lastlogin}'
done
let USERs=USERs+$(echo "$pwdfile" \| grep "$shell"\| wc -l)
done
)" \| column -t
echo ""
echo -e "\\033\[36m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***空密码用户************ \*\*\*\*\\033\[0m"
USEREmptyPassword=""
for shell in $(grep -v "/sbin/nologin" /etc/shells);do
for user in $(echo "$pwdfile" \| grep "$shell" \| cut -d: -f1);do
r=$(awk -F: '$2=="!!"{print $1}' /etc/shadow \| grep -w $user)
if \[ ! -z $r \];then
echo $r
USEREmptyPassword="$USEREmptyPassword,"$r
fi
done
done
echo ""
echo -e "\\033\[36m** \*\*\*\*\*\*\*\*\*\*\*****相同ID用户****\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
USERTheSameUID=""
UIDs=$(cut -d: -f3 /etc/passwd \| sort \| uniq -c \| awk '$1\>1{print $2}')
for uid in $UIDs;do
echo -n "$uid";
USERTheSameUID="$uid"
r=$(awk -F: 'ORS="";$3=='"$uid"'{print ":",$1}' /etc/passwd)
echo "$r"
echo ""
USERTheSameUID="$USERTheSameUID $r,"
done
}


function getPasswordStatus {
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\******************密码检查****\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
pwdfile="$(cat /etc/passwd)"
echo ""
echo -e "\\033\[36m**\*\*\*\*\*\*\*\*\*\*\*\*\*\*密码过期检查****\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
result=""
for shell in $(grep -v "/sbin/nologin" /etc/shells);do
for user in $(echo "$pwdfile" \| grep "$shell" \| cut -d: -f1);do
get_expiry_date=$(/usr/bin/chage -l $user \| grep 'Password expires' \| cut -d: -f2)
if \[\[ $get_expiry_date = ' never' \|\| $get_expiry_date = 'never' \]\];then
printf "%-15s 永不过期\\n" $user
result="$result,$user:never"
else
password_expiry_date=$(date -d "$get_expiry_date" "+%s")
current_date=$(date "+%s")
diff=$(($password_expiry_date-$current_date))
let DAYS=$(($diff/(60* 60*24)))
printf "%-15s %s天后过期\\n" $user $DAYS
result="$result,$user:$DAYS days"
fi
done
done
report_PasswordExpiry=$(echo $result \| sed 's/\^,//')
echo ""
echo -e "\\033\[36m*****\*\*\*\*\*\*\*\*\*\*\*密码策略检查**\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
grep -v "#" /etc/login.defs \| grep -E "PASS_MAX_DAYS\|PASS_MIN_DAYS\|PASS_MIN_LEN\|PASS_WARN_AGE"
}


function getSudoersStatus(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***Sudoers检查**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
conf=$(grep -v "\^#" /etc/sudoers\| grep -v "\^Defaults" \| sed '/\^$/d')
echo "$conf"
echo ""
}


function getInstalledStatus(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***软件检查**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
rpm -qa --last \| head \| column -t
}


function getProcessStatus(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*****************进程检查**** \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
if \[ $(ps -ef \| grep defunct \| grep -v grep \| wc -l) -ge 1 \];then
echo ""
echo -e "\\033\[36m\*\*\*\*\*\*\*\*\*\*\*****僵尸进程\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
ps -ef \| head -n1
ps -ef \| grep defunct \| grep -v grep
fi
echo ""
echo -e "\\033\[36m\*\*\*\*\*\*\*\*\*\***CPU占用TOP 10进程********\*\*\*\*\*\\033\[0m"
echo -e "用户 进程ID %CPU 命令
$(ps aux \| awk '{print $1, $2, $3, $11}' \| sort -k3rn \| head -n 10 )"\| column -t
echo ""
echo -e "\\033\[36m** \*\*\*\*\*\*****内存占用TOP 10进程********\*\*\*\*\*\\033\[0m"
echo -e "用户 进程ID %MEM 虚拟内存 常驻内存 命令
$(ps aux \| awk '{print $1, $2, $4, $5, $6, $11}' \| sort -k3rn \| head -n 10 )"\| column -t
#echo ""
#echo -e "\\033\[36m** \*\*\*\*\*\*****SWAP占用TOP 10进程******\*\*\*\*\*\\033\[0m"
#awk: fatal: cannot open file `/proc/18713/smaps' for reading (No such file or directory) #for i in`cd /proc;ls \|grep "\^\[0-9\]"\|awk ' $0 \>100'`;do awk '{if (-f /proc/$i/smaps) print "$i file is not exist"; else print "$i"}';done # for i in`cd /proc;ls \|grep "\^\[0-9\]"\|awk ' $0 \>100'\` ;do awk '/Swap:/{a=a+$2}END{print '"$i"',a/1024"M"}' /proc/$i/smaps ;done \|sort -k2nr \> /tmp/swap.txt
#echo -e "进程ID SWAP使用 $(cat /tmp/swap.txt\|grep -v awk \| head -n 10)"\| column -t
}


function getSyslogStatus(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***syslog检查\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
echo "SYSLOG服务状态:$(getState rsyslog)"
echo ""
echo -e "\\033\[36m**\*\*\*\*\*\*\***rsyslog配置**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
cat /etc/rsyslog.conf 2\>/dev/null \| grep -v "\^#" \| grep -v "\^\\$" \| sed '/\^$/d'  \| column -t
}


function getFirewallStatus(){
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*防火墙检查\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"


    echo -e "\033[36m****************防火墙状态******************\033[0m"
    if [[ $centosVersion = 7 ]];then
        systemctl status firewalld &gt;/dev/null  2&gt;&amp;1
        status=$?
        if [ $status -eq 0 ];then
                s="active"
        elif [ $status -eq 3 ];then
                s="inactive"
        elif [ $status -eq 4 ];then
                s="permission denied"
        else
                s="unknown"
        fi
    else
        s="$(getState iptables)"
    fi
    echo "firewalld: $s"
    echo ""
    echo -e "\033[36m****************防火墙配置******************\033[0m"
    cat /etc/sysconfig/firewalld 2&gt;/dev/null




}


function getSNMPStatus(){
#SNMP服务状态,配置等
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***SNMP检查**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
status="$(getState snmpd)"
echo "SNMP服务状态:$status"
echo ""
if \[ -e /etc/snmp/snmpd.conf \];then
echo "/etc/snmp/snmpd.conf"
echo "--------------------"
cat /etc/snmp/snmpd.conf 2\>/dev/null \| grep -v "\^#" \| sed '/\^$/d'
fi
}


function getState(){
if \[\[ $centosVersion \< 7 \]\];then
if \[ -e "/etc/init.d/$1" \];then
if \[ `/etc/init.d/$1 status 2&gt;/dev/null | grep -E "is running|正在运行" | wc -l` -ge 1 \];then
r="active"
else
r="inactive"
fi
else
r="unknown"
fi
else
#CentOS 7+
r="$(systemctl is-active $1 2\>\&1)"
fi
echo "$r"
}


function getSSHStatus(){
#SSHD服务状态,配置,受信任主机等
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*******SSH检查\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
#检查受信任主机
pwdfile="$(cat /etc/passwd)"
echo "SSH服务状态:$(getState sshd)"
Protocol_Version=$(cat /etc/ssh/sshd_config \| grep Protocol \| awk '{print $2}')
echo "SSH协议版本:$Protocol_Version"
echo ""
echo -e "\\033\[36m** \*\*\*\*\*\*********信任主机****\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
authorized=0
for user in $(echo "$pwdfile" \| grep /bin/bash \| awk -F: '{print $1}');do
authorize_file=$(echo "$pwdfile" \| grep -w $user \| awk -F: '{printf $6"/.ssh/authorized_keys"}')
authorized_host=$(cat $authorize_file 2\>/dev/null \| awk '{print $3}' \| tr '\\n' ',' \| sed 's/,$//')
if \[ ! -z $authorized_host \];then
echo "$user 授权 "$authorized_host" 无密码访问"
fi
let authorized=authorized+$(cat $authorize_file 2\>/dev/null \| awk '{print $3}'\|wc -l)
done
echo ""
echo -e "\\033\[36m****** *是否允许ROOT远程登录***\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
config=$(cat /etc/ssh/sshd_config \| grep PermitRootLogin)
firstChar=${config:0:1}
if \[ $firstChar == "#" \];then
PermitRootLogin="yes"
else
PermitRootLogin=$(echo $config \| awk '{print $2}')
fi
echo "PermitRootLogin $PermitRootLogin"
echo ""
echo -e "\\033\[36m\*\*\*\*\*\*\***ssh服务配置**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
cat /etc/ssh/sshd_config \| grep -v "\^#" \| sed '/\^$/d'
}


function getNTPStatus(){
#NTP服务状态,当前时间,配置等
echo ""
echo -e "\\033\[33m\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*NTP检查\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
if \[ -e /etc/ntp.conf \];then
echo "NTP服务状态:$(getState ntpd)"
echo ""
echo -e "\\033\[36m\*\*\*\*\*\*\*\*\*\*\*NTP服务配置\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\\033\[0m"
cat /etc/ntp.conf 2\>/dev/null \| grep -v "\^#" \| sed '/\^$/d'
fi
}


function check(){
version
getSystemStatus
get_resource
getCpuStatus
getMemStatus
getDiskStatus
getNetworkStatus
getListenStatus
getProcessStatus
getServiceStatus
getAutoStartStatus
getLoginStatus
getCronStatus
getUserStatus
getPasswordStatus
getSudoersStatus
getFirewallStatus
getSSHStatus
getSyslogStatus
getSNMPStatus
getNTPStatus
getInstalledStatus
}
#执行检查并保存检查结果
check \> $RESULTFILE
echo -e "\\033\[44;37m 主机巡检结果存放在:$RESULTFILE   \\033\[0m"

`#上传检查结果的文件
#curl -F "filename=@$RESULTFILE" "$uploadHostDailyCheckApi" 2>/dev/null
cat $RESULTFILE`

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