Linux 系统日常巡检脚本干货

￡神魔★判官ぃ 2023-10-03 15:03 31阅读 0赞

这篇代码近乎生产版本，收藏起来慢慢阅读，收获不菲

**本文共计20452个字**

Linux 系统日常巡检脚本，巡检内容包含了，磁盘，内存 cpu 进程 文件更改 用户登录等一系列的操作 直接用就行了

报告以邮件发送到邮箱 在log下生成巡检报告。

#!/bin/bash
    # @Author: HanWei
    # @Date:   2020-03-16 09:56:57
    # @Last Modified by:   HanWei
    # @Last Modified time: 2020-03-16 11:06:31
    # @E-mail: han_wei_95@163.com
    #!/bin/bash
    #主机信息每日巡检
     
    IPADDR=$(ifconfig eth0|grep 'inet addr'|awk -F '[ :]' '{print $13}')
    #环境变量PATH没设好，在cron里执行时有很多命令会找不到
    export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
    source /etc/profile
     
    [ $(id -u) -gt 0 ] && echo "请用root用户执行此脚本！" && exit 1
    centosVersion=$(awk '{print $(NF-1)}' /etc/redhat-release)
    VERSION="2020-03-16"
     
    #日志相关
    PROGPATH=`echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,'`
    [ -f $PROGPATH ] && PROGPATH="."
    LOGPATH="$PROGPATH/log"
    [ -e $LOGPATH ] || mkdir $LOGPATH
    RESULTFILE="$LOGPATH/HostDailyCheck-$IPADDR-`date +%Y%m%d`.txt"
     
     
    #定义报表的全局变量
    report_DateTime="" #日期 ok
    report_Hostname="" #主机名 ok
    report_OSRelease="" #发行版本 ok
    report_Kernel="" #内核 ok
    report_Language="" #语言/编码 ok
    report_LastReboot="" #最近启动时间 ok
    report_Uptime="" #运行时间（天） ok
    report_CPUs="" #CPU数量 ok
    report_CPUType="" #CPU类型 ok
    report_Arch="" #CPU架构 ok
    report_MemTotal="" #内存总容量(MB) ok
    report_MemFree="" #内存剩余(MB) ok
    report_MemUsedPercent="" #内存使用率% ok
    report_DiskTotal="" #硬盘总容量(GB) ok
    report_DiskFree="" #硬盘剩余(GB) ok
    report_DiskUsedPercent="" #硬盘使用率% ok
    report_InodeTotal="" #Inode总量 ok
    report_InodeFree="" #Inode剩余 ok
    report_InodeUsedPercent="" #Inode使用率 ok
    report_IP="" #IP地址 ok
    report_MAC="" #MAC地址 ok
    report_Gateway="" #默认网关 ok
    report_DNS="" #DNS ok
    report_Listen="" #监听 ok
    report_Selinux="" #Selinux ok
    report_Firewall="" #防火墙 ok
    report_USERs="" #用户 ok
    report_USEREmptyPassword="" #空密码用户 ok
    report_USERTheSameUID="" #相同ID的用户 ok 
    report_PasswordExpiry="" #密码过期（天） ok
    report_RootUser="" #root用户 ok
    report_Sudoers="" #sudo授权 ok
    report_SSHAuthorized="" #SSH信任主机 ok
    report_SSHDProtocolVersion="" #SSH协议版本 ok
    report_SSHDPermitRootLogin="" #允许root远程登录 ok
    report_DefunctProsess="" #僵尸进程数量 ok
    report_SelfInitiatedService="" #自启动服务数量 ok
    report_SelfInitiatedProgram="" #自启动程序数量 ok
    report_RuningService="" #运行中服务数 ok
    report_Crontab="" #计划任务数 ok
    report_Syslog="" #日志服务 ok
    report_SNMP="" #SNMP OK
    report_NTP="" #NTP ok
    report_JDK="" #JDK版本 ok
    function version(){
        
    echo ""
    echo ""
    echo "系统巡检脚本：Version $VERSION"
    }
     
    function getCpuStatus(){
        
    echo ""
    echo ""
    echo "############################ CPU检查 #############################"
    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:$CPU_Arch"
    #报表信息
    report_CPUs=$Virt_CPUs #CPU数量
    report_CPUType=$CPU_Type #CPU类型
    report_Arch=$CPU_Arch #CPU架构
    }
     
    function getMemStatus(){
        
    echo ""
    echo ""
    echo "############################ 内存检查 ############################"
    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/$MemTotal}}")
    report_MemTotal="$((MemTotal/1024))""MB" #内存总容量(MB)
    report_MemFree="$((MemFree/1024))""MB" #内存剩余(MB)
    report_MemUsedPercent="$(awk "BEGIN {if($MemTotal==0){printf 100}else{printf \"%.2f\",$MemUsed*100/$MemTotal}}")""%" #内存使用率%
    }
    function getDiskStatus(){
    echo ""
    echo ""
    echo "############################ 磁盘检查 ############################"
    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/$1}}')
    report_DiskTotal=$((disktotal/1024/1024))"GB" #硬盘总容量(GB)
    report_DiskFree=$((diskfree/1024/1024))"GB" #硬盘剩余(GB)
    report_DiskUsedPercent="$diskusedpercent""%" #硬盘使用率%
    report_InodeTotal=$((inodetotal/1000))"K" #Inode总量
    report_InodeFree=$((inodefree/1000))"K" #Inode剩余
    report_InodeUsedPercent="$inodeusedpercent""%" #Inode使用率%
     
    }
     
    function getSystemStatus(){
    echo ""
    echo ""
    echo "############################ 系统检查 ############################"
    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：$uptime"
    #报表信息
    report_DateTime=$(date +"%F %T") #日期
    report_Hostname="$Hostname" #主机名
    report_OSRelease="$Release" #发行版本
    report_Kernel="$Kernel" #内核
    report_Language="$default_LANG" #语言/编码
    report_LastReboot="$LastReboot" #最近启动时间
    report_Uptime="$uptime" #运行时间（天）
    report_Selinux="$SELinux"
    export LANG="$default_LANG"
     
    }
     
    function getServiceStatus(){
        
    echo ""
    echo ""
    echo "############################ 服务检查 ############################"
    echo ""
    if [[ $centosVersion > 7 ]];then
    conf=$(systemctl list-unit-files --type=service --state=enabled --no-pager | grep "enabled")
    process=$(systemctl list-units --type=service --state=running --no-pager | grep ".service")
    #报表信息
    report_SelfInitiatedService="$(echo "$conf" | wc -l)" #自启动服务数量
    report_RuningService="$(echo "$process" | wc -l)" #运行中服务数量
    else
    conf=$(/sbin/chkconfig | grep -E ":on|:启用")
    process=$(/sbin/service --status-all 2>/dev/null | grep -E "is running|正在运行")
    #报表信息
    report_SelfInitiatedService="$(echo "$conf" | wc -l)" #自启动服务数量
    report_RuningService="$(echo "$process" | wc -l)" #运行中服务数量
    fi
    echo "服务配置"
    echo "--------"
    echo "$conf" | column -t
    echo ""
    echo "正在运行的服务"
    echo "--------------"
    echo "$process"
     
    }
     
     
    function getAutoStartStatus(){
        
    echo ""
    echo ""
    echo "############################ 自启动检查 ##########################"
    conf=$(grep -v "^#" /etc/rc.d/rc.local| sed '/^$/d')
    echo "$conf"
    #报表信息
    report_SelfInitiatedProgram="$(echo $conf | wc -l)" #自启动程序数量
    }
     
    function getLoginStatus(){
        
    echo ""
    echo ""
    echo "############################ 登录检查 ############################"
    last | head
    }
     
    function getNetworkStatus(){
        
    echo ""
    echo ""
    echo "############################ 网络检查 ############################"
    if [[ $centosVersion < 7 ]];then
    /sbin/ifconfig -a | grep -v packets | grep -v collisions | grep -v inet6
    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 $2}' | sed 'N;s/\n//' | tr '\n' ',' | sed 's/,$//')
    report_IP="$IP" #IP地址
    report_MAC=$MAC #MAC地址
    report_Gateway="$GATEWAY" #默认网关
    report_DNS="$DNS" #DNS
    }
     
    function getListenStatus(){
        
    echo ""
    echo ""
    echo "############################ 监听检查 ############################"
    TCPListen=$(ss -ntul | column -t)
    echo "$TCPListen"
    #报表信息
    report_Listen="$(echo "$TCPListen"| sed '1d' | awk '/tcp/ {print $5}' | awk -F: '{print $NF}' | sort | uniq | wc -l)"
    }
     
    function getCronStatus(){
        
    echo ""
    echo ""
    echo "############################ 计划任务检查 ########################"
    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 [ $status -eq 0 ];then
    echo "$user"
    echo "--------"
    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)
    #报表信息
    report_Crontab="$Crontab" #计划任务数
    }
    function getHowLongAgo(){
        
    # 计算一个时间戳离现在有多久了
    datetime="$*"
    [ -z "$datetime" ] && echo "错误的参数：getHowLongAgo() $*"
    Timestamp=$(date +%s -d "$datetime") #转化为时间戳
    Now_Timestamp=$(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 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}')" $thisYear" #格式如: Sat Nov 2 20:33 2015
    lastDateTime=$(date "+%Y-%m-%d %H:%M:%S" -d "$lastDateTime")
    echo "$lastDateTime"
    break
    else
    thisYear=$((thisYear-1))
    fi
    done
     
    }
     
    function getUserStatus(){
    echo ""
    echo ""
    echo "############################ 用户检查 ############################"
    #/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 最后修改时间：$Modify ($(getHowLongAgo $Modify))"
    echo ""
    echo "特权用户"
    echo "--------"
    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 "用户列表"
    echo "--------"
    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 "空密码用户"
    echo "----------"
    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,"$r
    fi
    done 
    done
    echo ""
    echo "相同ID的用户"
    echo "------------"
    USERTheSameUID=""
    UIDs=$(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 $r,"
    done
    #报表信息
    report_USERs="$USERs" #用户
    report_USEREmptyPassword=$(echo $USEREmptyPassword | sed 's/^,//') 
    report_USERTheSameUID=$(echo $USERTheSameUID | sed 's/,$//') 
    report_RootUser=$(echo $RootUser | sed 's/^,//') #特权用户
    }
     
     
    function getPasswordStatus {
    echo ""
    echo ""
    echo "############################ 密码检查 ############################"
    pwdfile="$(cat /etc/passwd)"
    echo ""
    echo "密码过期检查"
    echo "------------"
    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 "密码策略检查"
    echo "------------"
    grep -v "#" /etc/login.defs | grep -E "PASS_MAX_DAYS|PASS_MIN_DAYS|PASS_MIN_LEN|PASS_WARN_AGE"
     
     
    }
     
    function getSudoersStatus(){
    echo ""
    echo ""
    echo "############################ Sudoers检查 #########################"
    conf=$(grep -v "^#" /etc/sudoers| grep -v "^Defaults" | sed '/^$/d')
    echo "$conf"
    echo ""
    #报表信息
    report_Sudoers="$(echo $conf | wc -l)"
    }
     
    function getInstalledStatus(){
    echo ""
    echo ""
    echo "############################ 软件检查 ############################"
    rpm -qa --last | head | column -t 
    }
     
    function getProcessStatus(){
    echo ""
    echo ""
    echo "############################ 进程检查 ############################"
    if [ $(ps -ef | grep defunct | grep -v grep | wc -l) -ge 1 ];then
    echo ""
    echo "僵尸进程";
    echo "--------"
    ps -ef | head -n1
    ps -ef | grep defunct | grep -v grep
    fi
    echo ""
    echo "内存占用TOP10"
    echo "-------------"
    echo -e "PID %MEM RSS COMMAND
    $(ps aux | awk '{print $2, $4, $6, $11}' | sort -k3rn | head -n 10 )"| column -t 
    echo ""
    echo "CPU占用TOP10"
    echo "------------"
    top b -n1 | head -17 | tail -11
    #报表信息
    report_DefunctProsess="$(ps -ef | grep defunct | grep -v grep|wc -l)"
    }
     
    function getJDKStatus(){
    echo ""
    echo ""
    echo "############################ JDK检查 #############################"
    java -version 2>/dev/null
    if [ $? -eq 0 ];then
    java -version 2>&1
    fi
    echo "JAVA_HOME=\"$JAVA_HOME\""
    #报表信息
    report_JDK="$(java -version 2>&1 | grep version | awk '{print $1,$3}' | tr -d '"')"
    }
    function getSyslogStatus(){
    echo ""
    echo ""
    echo "############################ syslog检查 ##########################"
    echo "服务状态：$(getState rsyslog)"
    echo ""
    echo "/etc/rsyslog.conf"
    echo "-----------------"
    cat /etc/rsyslog.conf 2>/dev/null | grep -v "^#" | grep -v "^\\$" | sed '/^$/d' | column -t
    #报表信息
    report_Syslog="$(getState rsyslog)"
    }
    function getFirewallStatus(){
    echo ""
    echo ""
    echo "############################ 防火墙检查 ##########################"
    #防火墙状态，策略等
    if [[ $centosVersion < 7 ]];then
    /etc/init.d/iptables status >/dev/null 2>&1
    status=$?
    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 "iptables: $s"
    echo ""
    echo "/etc/sysconfig/iptables"
    echo "-----------------------"
    cat /etc/sysconfig/iptables 2>/dev/null
    #报表信息
    report_Firewall="$s"
    }
     
    function getSNMPStatus(){
    #SNMP服务状态，配置等
    echo ""
    echo ""
    echo "############################ SNMP检查 ############################"
    status="$(getState snmpd)"
    echo "服务状态：$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 '/^$/d'
    fi
    #报表信息
    report_SNMP="$(getState snmpd)"
    }
     
     
     
    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 ""
    echo "############################ SSH检查 #############################"
    #检查受信任主机
    pwdfile="$(cat /etc/passwd)"
    echo "服务状态：$(getState sshd)"
    Protocol_Version=$(cat /etc/ssh/sshd_config | grep Protocol | awk '{print $2}')
    echo "SSH协议版本：$Protocol_Version"
    echo ""
    echo "信任主机"
    echo "--------"
    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 "是否允许ROOT远程登录"
    echo "--------------------"
    config=$(cat /etc/ssh/sshd_config | grep PermitRootLogin)
    firstChar=${config:0:1}
    if [ $firstChar == "#" ];then
    PermitRootLogin="yes" #默认是允许ROOT远程登录的
    else
    PermitRootLogin=$(echo $config | awk '{print $2}')
    fi
    echo "PermitRootLogin $PermitRootLogin"
     
    echo ""
    echo "/etc/ssh/sshd_config"
    echo "--------------------"
    cat /etc/ssh/sshd_config | grep -v "^#" | sed '/^$/d'
     
    #报表信息
    report_SSHAuthorized="$authorized" #SSH信任主机
    report_SSHDProtocolVersion="$Protocol_Version" #SSH协议版本
    report_SSHDPermitRootLogin="$PermitRootLogin" #允许root远程登录
    }
    function getNTPStatus(){
    #NTP服务状态，当前时间，配置等
    echo ""
    echo ""
    echo "############################ NTP检查 #############################"
    if [ -e /etc/ntp.conf ];then
    echo "服务状态：$(getState ntpd)"
    echo ""
    echo "/etc/ntp.conf"
    echo "-------------"
    cat /etc/ntp.conf 2>/dev/null | grep -v "^#" | sed '/^$/d'
    fi
    #报表信息
    report_NTP="$(getState ntpd)"
    }
     
     
    function uploadHostDailyCheckReport(){
        
    json="{
    \"DateTime\":\"$report_DateTime\",
    \"Hostname\":\"$report_Hostname\",
    \"OSRelease\":\"$report_OSRelease\",
    \"Kernel\":\"$report_Kernel\",
    \"Language\":\"$report_Language\",
    \"LastReboot\":\"$report_LastReboot\",
    \"Uptime\":\"$report_Uptime\",
    \"CPUs\":\"$report_CPUs\",
    \"CPUType\":\"$report_CPUType\",
    \"Arch\":\"$report_Arch\",
    \"MemTotal\":\"$report_MemTotal\",
    \"MemFree\":\"$report_MemFree\",
    \"MemUsedPercent\":\"$report_MemUsedPercent\",
    \"DiskTotal\":\"$report_DiskTotal\",
    \"DiskFree\":\"$report_DiskFree\",
    \"DiskUsedPercent\":\"$report_DiskUsedPercent\",
    \"InodeTotal\":\"$report_InodeTotal\",
    \"InodeFree\":\"$report_InodeFree\",
    \"InodeUsedPercent\":\"$report_InodeUsedPercent\",
    \"IP\":\"$report_IP\",
    \"MAC\":\"$report_MAC\",
    \"Gateway\":\"$report_Gateway\",
    \"DNS\":\"$report_DNS\",
    \"Listen\":\"$report_Listen\",
    \"Selinux\":\"$report_Selinux\",
    \"Firewall\":\"$report_Firewall\",
    \"USERs\":\"$report_USERs\",
    \"USEREmptyPassword\":\"$report_USEREmptyPassword\",
    \"USERTheSameUID\":\"$report_USERTheSameUID\",
    \"PasswordExpiry\":\"$report_PasswordExpiry\",
    \"RootUser\":\"$report_RootUser\",
    \"Sudoers\":\"$report_Sudoers\",
    \"SSHAuthorized\":\"$report_SSHAuthorized\",
    \"SSHDProtocolVersion\":\"$report_SSHDProtocolVersion\",
    \"SSHDPermitRootLogin\":\"$report_SSHDPermitRootLogin\",
    \"DefunctProsess\":\"$report_DefunctProsess\",
    \"SelfInitiatedService\":\"$report_SelfInitiatedService\",
    \"SelfInitiatedProgram\":\"$report_SelfInitiatedProgram\",
    \"RuningService\":\"$report_RuningService\",
    \"Crontab\":\"$report_Crontab\",
    \"Syslog\":\"$report_Syslog\",
    \"SNMP\":\"$report_SNMP\",
    \"NTP\":\"$report_NTP\",
    \"JDK\":\"$report_JDK\"
    }"
    #echo "$json" 
    curl -l -H "Content-type: application/json" -X POST -d "$json" "$uploadHostDailyCheckReportApi" 2>/dev/null
    }
    
    function getchage_file_24h()
    {
        
    echo "############################ 文件检查 #############################"
        check2=$(find / -name '*.sh' -mtime -1)
    check21=$(find / -name '*.asp' -mtime -1)
    check22=$(find / -name '*.php' -mtime -1)
    check23=$(find / -name '*.aspx' -mtime -1)
    check24=$(find / -name '*.jsp' -mtime -1)
    check25=$(find / -name '*.html' -mtime -1)
    check26=$(find / -name '*.htm' -mtime -1)
    check9=$(find / -name core -exec ls -l {
         } \;)
    check10=$(cat /etc/crontab)
    check12=$(ls -alt /usr/bin | head -10)
    cat <<EOF
    
    ############################查看所有被修改过的文件返回最近24小时内的############################
    ${check2}
    ${check21}
    ${check22}
    ${check23}
    ${check24}
    ${check25}
    ${check26}
    ${line}
     
    ############################检查定时文件的完整性############################
    ${check10}
    ${line}
    
    ############################查看系统命令是否被替换############################
    ${check12}
    ${line}
    EOF
    }
     
    function check(){
        
    version
    getSystemStatus
    getCpuStatus
    getMemStatus
    getDiskStatus
    getNetworkStatus
    getListenStatus
    getProcessStatus
    getServiceStatus
    getAutoStartStatus
    getLoginStatus
    getCronStatus
    getUserStatus
    getPasswordStatus
    getSudoersStatus
    getJDKStatus
    getFirewallStatus
    getSSHStatus
    getSyslogStatus
    getSNMPStatus
    getNTPStatus
    getInstalledStatus
    getchage_file_24h
    }
     
     
    #执行检查并保存检查结果
    check > $RESULTFILE
     
    echo "检查结果：$RESULTFILE"
    echo -e "`date "+%Y-%m-%d %H:%M:%S"` 阿里云PHP企业平台巡检报告"  | mail -a $RESULTFILE -s "阿里云PHP企业平台巡检报告" h@163.com

参考：https://www.pythondesign.cn/994.html