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分享一个实用脚本—centos7系统巡检

概述

这周闲得慌,就根据需求写了差不多20个脚本(部分是之前分享过的做了一些改进),今天主要分享一个给平时运维人员用的centos7系统巡检的脚本,或者排查问题检查系统情况也可以用..


实用脚本

#!/bin/bash ############################################################## # File Name: CenOS7.sh # Version: V1.0 # Author: hwb # Created Time : date # Description: xunjian for centos7 ##############################################################  #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($MemTotal==0){printf 100}else{printf \"%.2f\",$MemUsed*100/$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",$2*100/$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 $1}'`) 	time=`date "+%Y-%m-%d %k:%M"` 	num=0 	     for ((i=0;i<${#nic[@]};i++)) 	do 	   #循环五次,避免看到的是偶然的数据        while (( $num<5 )) 	   do 	     rx_before=$(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: $tx_result Mbps" >> /tmp/network.txt 		 let "num++" 	   done 	   #注意下面grep后面的$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} > 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>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=$((60*60*24));     sec_in_hour=$((60*60));     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$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 [[ $centosVersion = 7 ]];then         systemctl status firewalld >/dev/null  2>&1         status=$?         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: $s"     echo ""     echo -e "\033[36m****************防火墙配置******************\033[0m"     cat /etc/sysconfig/firewalld 2>/dev/null }   function getSNMPStatus(){     #SNMP服务状态,配置等     echo ""     echo -e "\033[33m***********************************************SNMP检查*********************************************************\033[0m"     status="$(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/$1 status 2>/dev/null | grep -E "is running|正在运行" | wc -l` -ge 1 ];then                 r="active"             else                 r="inactive"             fi         else             r="unknown"         fi     else         #CentOS 7+         r="$(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


分享一个实用脚本—centos7系统巡检


执行脚本截图:


分享一个实用脚本—centos7系统巡检


分享一个实用脚本—centos7系统巡检


分享一个实用脚本—centos7系统巡检


分享一个实用脚本—centos7系统巡检


分享一个实用脚本—centos7系统巡检