超经典 Linux 运维巡检脚本及示例

inux 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。

一、巡检脚本

#!/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: [email protected]
#!/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 < $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" [email protected]

END

二、巡检示例

系统巡检脚本：Version 2020-03-16


############################ 系统检查 ############################
 系统：GNU/Linux
 发行版本：CentOS Linux release 7.8.2003 (Core)
 内核：3.10.0-1127.el7.x86_64
 主机名：localhost.localdomain
 SELinux：enabled
语言/编码：zh_CN.UTF-8
 当前时间：2022-09-12 15:00:42
 最后启动：2022-09-08 11:59
 运行时间：4 days


############################ CPU检查 #############################
物理CPU个数:4
逻辑CPU个数:4
每CPU核心数:1
 CPU型号:Intel Xeon E3-12xx v2 (Ivy Bridge, IBRS)
 CPU架构:x86_64


############################ 内存检查 ############################
              total        used        free      shared  buff/cache   available
Mem:           3.7G        878M        961M         20M        1.9G        2.6G
Swap:          3.9G          0B        3.9G


############################ 磁盘检查 ############################
文件系统   类型      |  容量   已用  可用  已用%  |  Inode  已用(I)  可用(I)  已用(I)%  |  挂载点
devtmpfs   devtmpfs  |  1.9G   0     1.9G  0%     |  470K   400      470K     1%        |  /dev
tmpfs      tmpfs     |  1.9G   0     1.9G  0%     |  474K   1        474K     1%        |  /dev/shm
tmpfs      tmpfs     |  1.9G   0     1.9G  0%     |  474K   733      473K     1%        |  /run
tmpfs      tmpfs     |  1.9G   0     1.9G  0%     |  474K   16       474K     1%        |  /sys/fs/cgroup
tmpfs      tmpfs     |  1.9G   9.6M  1.9G  1%     |  474K   1        474K     1%        |  /dev/shm
tmpfs      tmpfs     |  1.9G   9.6M  1.9G  1%     |  474K   733      473K     1%        |  /run
tmpfs      tmpfs     |  1.9G   9.6M  1.9G  1%     |  474K   16       474K     1%        |  /sys/fs/cgroup
tmpfs      tmpfs     |  1.9G   0     1.9G  0%     |  474K   1        474K     1%        |  /dev/shm
tmpfs      tmpfs     |  1.9G   0     1.9G  0%     |  474K   733      473K     1%        |  /run
tmpfs      tmpfs     |  1.9G   0     1.9G  0%     |  474K   16       474K     1%        |  /sys/fs/cgroup
/dev/vda3  xfs       |  50G    8.6G  42G   18%    |  25M    154K     25M      1%        |  /
/dev/vda5  xfs       |  46G    37M   46G   1%     |  23M    174      23M      1%        |  /home
/dev/vda1  xfs       |  1014M  180M  835M  18%    |  512K   341      512K     1%        |  /boot
tmpfs      tmpfs     |  379M   4.0K  379M  1%     |  474K   6        474K     1%        |  /run/user/42
tmpfs      tmpfs     |  379M   4.0K  379M  1%     |  474K   20       474K     1%        |  /run/user/0
tmpfs      tmpfs     |  379M   32K   379M  1%     |  474K   6        474K     1%        |  /run/user/42
tmpfs      tmpfs     |  379M   32K   379M  1%     |  474K   20       474K     1%        |  /run/user/0


############################ 网络检查 ############################
eth0: 192.168.250.21/24 
virbr0: 192.168.122.1/24 
virbr0-nic: 

网关：192.168.250.1 
 DNS：222.222.222.222


############################ 监听检查 ############################
Netid  State   Recv-Q  Send-Q  Local             Address:Port  Peer  Address:Port
udp    UNCONN  0       0       192.168.122.1:53  *:*
udp    UNCONN  0       0       *%virbr0:67       *:*
udp    UNCONN  0       0       *:111             *:*
udp    UNCONN  0       0       127.0.0.1:323     *:*
udp    UNCONN  0       0       *:778             *:*
udp    UNCONN  0       0       *:5353            *:*
udp    UNCONN  0       0       *:58983           *:*
udp    UNCONN  0       0       [::]:111          [::]:*
udp    UNCONN  0       0       [::1]:323         [::]:*
udp    UNCONN  0       0       [::]:778          [::]:*
tcp    LISTEN  0       128     *:111             *:*
tcp    LISTEN  0       5       192.168.122.1:53  *:*
tcp    LISTEN  0       128     *:22              *:*
tcp    LISTEN  0       128     127.0.0.1:631     *:*
tcp    LISTEN  0       100     127.0.0.1:25      *:*
tcp    LISTEN  0       128     127.0.0.1:6010    *:*
tcp    LISTEN  0       128     [::]:111          [::]:*
tcp    LISTEN  0       128     [::]:22           [::]:*
tcp    LISTEN  0       128     [::1]:631         [::]:*
tcp    LISTEN  0       100     [::1]:25          [::]:*
tcp    LISTEN  0       128     [::1]:6010        [::]:*
tcp    LISTEN  0       80      [::]:3306         [::]:*


############################ 进程检查 ############################

内存占用TOP10
-------------
PID   %MEM  RSS     COMMAND
1529  5.0   194676  /usr/local/mysql/bin/mysqld
2463  5.0   194412  /usr/bin/gnome-shell
2740  1.4   57944   /usr/bin/gnome-software
1724  1.2   46724   /usr/bin/X
2703  0.8   33636   nautilus-desktop
2918  0.7   30040   /usr/libexec/gnome-terminal-server
2529  0.7   27260   /usr/libexec/goa-daemon
2829  0.6   24828   /usr/libexec/evolution-addressbook-factory-subprocess
2519  0.4   18640   /usr/libexec/evolution-source-registry
1075  0.4   18444   /usr/sbin/libvirtd

CPU占用TOP10
------------
  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND
27860 root      20   0  162124   2160   1520 R  11.8  0.1   0:00.04 top
    1 root      20   0  193992   7140   4200 S   0.0  0.2   0:28.67 systemd
    2 root      20   0       0      0      0 S   0.0  0.0   0:00.17 kthreadd
    4 root       0 -20       0      0      0 S   0.0  0.0   0:00.00 kworker/0:0H
    5 root      20   0       0      0      0 S   0.0  0.0   0:00.08 kworker/u8:0
    6 root      20   0       0      0      0 S   0.0  0.0   0:00.20 ksoftirqd/0
    7 root      rt   0       0      0      0 S   0.0  0.0   0:00.35 migration/0
    8 root      20   0       0      0      0 S   0.0  0.0   0:00.00 rcu_bh
    9 root      20   0       0      0      0 S   0.0  0.0   0:27.51 rcu_sched
   10 root       0 -20       0      0      0 S   0.0  0.0   0:00.00 lru-add-drain


############################ 服务检查 ############################

服务配置
--------
abrt-ccpp.service                           enabled
abrt-oops.service                           enabled
abrt-vmcore.service                         enabled
abrt-xorg.service                           enabled
abrtd.service                               enabled
accounts-daemon.service                     enabled
atd.service                                 enabled
auditd.service                              enabled
[email protected]                             enabled
avahi-daemon.service                        enabled
bluetooth.service                           enabled
chronyd.service                             enabled
crond.service                               enabled
cups.service                                enabled
dbus-org.bluez.service                      enabled
dbus-org.fedoraproject.FirewallD1.service   enabled
dbus-org.freedesktop.Avahi.service          enabled
dbus-org.freedesktop.ModemManager1.service  enabled
dbus-org.freedesktop.nm-dispatcher.service  enabled
display-manager.service                     enabled
dmraid-activation.service                   enabled
firewalld.service                           enabled
gdm.service                                 enabled
[email protected]                              enabled
initial-setup-reconfiguration.service       enabled
irqbalance.service                          enabled
iscsi-onboot.service                        enabled
iscsi.service                               enabled
kdump.service                               enabled
ksm.service                                 enabled
ksmtuned.service                            enabled
libstoragemgmt.service                      enabled
libvirtd.service                            enabled
lvm2-monitor.service                        enabled
mcelog.service                              enabled
mdmonitor.service                           enabled
microcode.service                           enabled
ModemManager.service                        enabled
multipathd.service                          enabled
NetworkManager-dispatcher.service           enabled
NetworkManager-wait-online.service          enabled
NetworkManager.service                      enabled
postfix.service                             enabled
qemu-guest-agent.service                    enabled
rhel-autorelabel-mark.service               enabled
rhel-autorelabel.service                    enabled
rhel-configure.service                      enabled
rhel-dmesg.service                          enabled
rhel-domainname.service                     enabled
rhel-import-state.service                   enabled
rhel-loadmodules.service                    enabled
rhel-readonly.service                       enabled
rngd.service                                enabled
rpcbind.service                             enabled
rsyslog.service                             enabled
rtkit-daemon.service                        enabled
smartd.service                              enabled
sshd.service                                enabled
sysstat.service                             enabled
systemd-readahead-collect.service           enabled
systemd-readahead-drop.service              enabled
systemd-readahead-replay.service            enabled
tuned.service                               enabled
udisks2.service                             enabled
vdo.service                                 enabled
vgauthd.service                             enabled
vmtoolsd-init.service                       enabled
vmtoolsd.service                            enabled

正在运行的服务
--------------
abrt-oops.service        loaded active running ABRT kernel log watcher
abrt-xorg.service        loaded active running ABRT Xorg log watcher
abrtd.service            loaded active running ABRT Automated Bug Reporting Tool
accounts-daemon.service  loaded active running Accounts Service
alsa-state.service       loaded active running Manage Sound Card State (restore and store)
atd.service              loaded active running Job spooling tools
auditd.service           loaded active running Security Auditing Service
avahi-daemon.service     loaded active running Avahi mDNS/DNS-SD Stack
bolt.service             loaded active running Thunderbolt system service
chronyd.service          loaded active running NTP client/server
colord.service           loaded active running Manage, Install and Generate Color Profiles
crond.service            loaded active running Command Scheduler
cups.service             loaded active running CUPS Printing Service
dbus.service             loaded active running D-Bus System Message Bus
fwupd.service            loaded active running Firmware update daemon
gdm.service              loaded active running GNOME Display Manager
geoclue.service          loaded active running Location Lookup Service
gssproxy.service         loaded active running GSSAPI Proxy Daemon
irqbalance.service       loaded active running irqbalance daemon
ksmtuned.service         loaded active running Kernel Samepage Merging (KSM) Tuning Daemon
libstoragemgmt.service   loaded active running libstoragemgmt plug-in server daemon
libvirtd.service         loaded active running Virtualization daemon
lvm2-lvmetad.service     loaded active running LVM2 metadata daemon
mcelog.service           loaded active running Machine Check Exception Logging Daemon
ModemManager.service     loaded active running Modem Manager
mysqld.service           loaded active running LSB: start and stop MySQL
NetworkManager.service   loaded active running Network Manager
packagekit.service       loaded active running PackageKit Daemon
polkit.service           loaded active running Authorization Manager
postfix.service          loaded active running Postfix Mail Transport Agent
qemu-guest-agent.service loaded active running QEMU Guest Agent
rngd.service             loaded active running Hardware RNG Entropy Gatherer Daemon
rpcbind.service          loaded active running RPC bind service
rsyslog.service          loaded active running System Logging Service
rtkit-daemon.service     loaded active running RealtimeKit Scheduling Policy Service
smartd.service           loaded active running Self Monitoring and Reporting Technology (SMART) Daemon
spice-vdagentd.service   loaded active running Agent daemon for Spice guests
sshd.service             loaded active running OpenSSH server daemon
systemd-journald.service loaded active running Journal Service
systemd-logind.service   loaded active running Login Service
systemd-udevd.service    loaded active running udev Kernel Device Manager
tuned.service            loaded active running Dynamic System Tuning Daemon
udisks2.service          loaded active running Disk Manager
upower.service           loaded active running Daemon for power management
wpa_supplicant.service   loaded active running WPA Supplicant daemon


############################ 自启动检查 ##########################
touch /var/lock/subsys/local


############################ 登录检查 ############################
root     pts/1        192.168.250.200   Mon Sep 12 14:54   still logged in   
root     pts/1        192.168.250.200   Fri Sep  9 09:06 - 15:09  (06:03)    
root     pts/4        192.168.250.200   Thu Sep  8 16:28 - 17:09  (00:41)    
root     pts/3        192.168.250.200   Thu Sep  8 15:50 - 17:09  (01:18)    
root     pts/1        192.168.250.200   Thu Sep  8 15:48 - 17:09  (01:20)    
root     pts/2        192.168.250.200   Thu Sep  8 12:12 - 16:58  (04:46)    
root     pts/1        192.168.250.221  Thu Sep  8 12:02 - 12:29  (00:26)    
root     pts/0        :0               Thu Sep  8 12:01   still logged in   
root     :0           :0               Thu Sep  8 12:01   still logged in   
reboot   system boot  3.10.0-1127.el7. Thu Sep  8 11:59 - 15:00 (4+03:01)   


############################ 计划任务检查 ########################
-rw-r--r--.  1  root  root  128  8月   9   2019  /etc/cron.d/0hourly
-rw-r--r--.  1  root  root  108  11月  28  2019  /etc/cron.d/raid-check
-rw-------.  1  root  root  235  4月   1   2020  /etc/cron.d/sysstat
-rwx------.  1  root  root  219  4月   1   2020  /etc/cron.daily/logrotate
-rwxr-xr-x.  1  root  root  618  10月  30  2018  /etc/cron.daily/man-db.cron
-rwx------.  1  root  root  208  4月   11  2018  /etc/cron.daily/mlocate
-rw-------.  1  root  root  0    8月   9   2019  /etc/cron.deny
-rwxr-xr-x.  1  root  root  392  8月   9   2019  /etc/cron.hourly/0anacron
-rwxr-xr-x.  1  root  root  191  8月   9   2019  /etc/cron.hourly/mcelog.cron
-rw-r--r--.  1  root  root  451  6月   10  2014  /etc/crontab


############################ 用户检查 ############################
/etc/passwd 最后修改时间： (错误的参数：getHowLongAgo() 
0 天 15 小时前)

特权用户
--------
root

用户列表
--------
用户名    UID   GID   HOME            SHELL      最后一次登录
root      0     0     /root           /bin/bash  2022-09-12_14:54:00
moonrong  1000  1000  /home/moonrong  /bin/bash  2022-08-30_13:38:00
mysql     1001  1001  /home/mysql     /bin/bash  从未登录过

空密码用户
----------
mysql

相同ID的用户
------------


############################ 密码检查 ############################

密码过期检查
------------
root            0天后过期
moonrong        0天后过期
mysql           0天后过期

密码策略检查
------------
PASS_MAX_DAYS 99999
PASS_MIN_DAYS 0
PASS_MIN_LEN 5
PASS_WARN_AGE 7


############################ Sudoers检查 #########################
root ALL=(ALL)  ALL
%wheel ALL=(ALL) ALL



############################ JDK检查 #############################
openjdk version "1.8.0_242"
OpenJDK Runtime Environment (build 1.8.0_242-b08)
OpenJDK 64-Bit Server VM (build 25.242-b08, mixed mode)
JAVA_HOME=""


############################ 防火墙检查 ##########################
iptables: inactive

/etc/sysconfig/iptables
-----------------------


############################ SSH检查 #############################
服务状态：active
SSH协议版本：

信任主机
--------

是否允许ROOT远程登录
--------------------
PermitRootLogin yes

/etc/ssh/sshd_config
--------------------
HostKey /etc/ssh/ssh_host_rsa_key
HostKey /etc/ssh/ssh_host_ecdsa_key
HostKey /etc/ssh/ssh_host_ed25519_key
SyslogFacility AUTHPRIV
AuthorizedKeysFile .ssh/authorized_keys
PasswordAuthentication yes
ChallengeResponseAuthentication no
GSSAPIAuthentication yes
GSSAPICleanupCredentials no
UsePAM yes
X11Forwarding yes
AcceptEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES
AcceptEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT
AcceptEnv LC_IDENTIFICATION LC_ALL LANGUAGE
AcceptEnv XMODIFIERS
Subsystem sftp /usr/libexec/openssh/sftp-server


############################ syslog检查 ##########################
服务状态：active

/etc/rsyslog.conf
-----------------
*.info;mail.none;authpriv.none;cron.none  /var/log/messages
authpriv.*                                /var/log/secure
mail.*                                    -/var/log/maillog
cron.*                                    /var/log/cron
*.emerg                                   :omusrmsg:*
uucp,news.crit                            /var/log/spooler
local7.*                                  /var/log/boot.log


############################ SNMP检查 ############################
服务状态：unknown



############################ NTP检查 #############################


############################ 软件检查 ############################
percona-xtrabackup-24-2.4.21-1.el7.x86_64     2022年09月08日  星期四  16时14分37秒
libev-4.04-2.el6.x86_64                       2022年09月08日  星期四  16时12分30秒
perl-Digest-MD5-2.52-3.el7.x86_64             2022年09月08日  星期四  12时47分08秒
perl-Digest-1.17-245.el7.noarch               2022年09月08日  星期四  12时47分07秒
perl-DBD-MySQL-4.023-6.el7.x86_64             2022年09月08日  星期四  12时47分07秒
gpg-pubkey-f4a80eb5-53a7ff4b                  2022年09月08日  星期四  12时46分52秒
iwl3160-firmware-25.30.13.0-76.el7.noarch     2022年08月30日  星期二  12时57分11秒
iwl6000g2b-firmware-18.168.6.1-76.el7.noarch  2022年08月30日  星期二  12时57分10秒
iwl2030-firmware-18.168.6.1-76.el7.noarch     2022年08月30日  星期二  12时57分10秒
iwl2000-firmware-18.168.6.1-76.el7.noarch     2022年08月30日  星期二  12时57分10秒
############################ 文件检查 #############################

############################查看所有被修改过的文件返回最近24小时内的############################
/root/test.sh








############################检查定时文件的完整性############################
SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root

# For details see man 4 crontabs

# Example of job definition:
# .---------------- minute (0 - 59)
# |  .------------- hour (0 - 23)
# |  |  .---------- day of month (1 - 31)
# |  |  |  .------- month (1 - 12) OR jan,feb,mar,apr ...
# |  |  |  |  .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# |  |  |  |  |
# *  *  *  *  * user-name  command to be executed


############################查看系统命令是否被替换############################
总用量 209588
dr-xr-xr-x.   2 root root       49152 9月   8 16:14 .
lrwxrwxrwx.   1 root root          10 9月   8 16:14 innobackupex -> xtrabackup
lrwxrwxrwx.   1 root root           4 8月  30 12:56 byacc -> yacc
lrwxrwxrwx.   1 root root          10 8月  30 12:56 traceroute6 -> traceroute
lrwxrwxrwx.   1 root root           4 8月  30 12:56 rnano -> nano
lrwxrwxrwx.   1 root root           4 8月  30 12:56 flex++ -> flex
lrwxrwxrwx.   1 root root           4 8月  30 12:56 lex -> flex
lrwxrwxrwx.   1 root root          18 8月  30 12:56 scsi-rescan -> rescan-scsi-bus.sh
lrwxrwxrwx.   1 root root          10 8月  30 12:56 lsdiff -> filterdiff