Linux 服务器日常巡检脚本分享

三水之间 發表於 2021-10-27 11:38:00

Linux 服务器日常巡检脚本分享
 
https://mp.weixin.qq.com/s/zWB4AMqGnytY7y61mom2vw 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。
<div class="cnblogs_code">
<pre>#!/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</pre>
</div>
 
 
结果示例
<div class="cnblogs_code">
<pre>cat log/HostDailyCheck--20211027.txt

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 7.5.1804 (Core)
内核：3.10.0-514.el7.x86_64
主机名：mongo_mongo_16
SELinux：disabled
语言/编码：en_US.UTF-8
当前时间：2021-10-27 09:39:27
最后启动：2021-07-13 10:10
运行时间：105 days

############################ CPU检查 #############################
物理CPU个数:1
逻辑CPU个数:2
每CPU核心数:2
CPU型号:Intel(R) Xeon(R) CPU E5-2680 0 @ 2.70GHz
CPU架构:x86_64

############################ 内存检查 ############################
 total used free sharedbuff/cache available
Mem: 3.7G 780M 1.5G 174M 1.4G 2.5G
Swap: 1.6G 0B 1.6G

############################ 磁盘检查 ############################
Filesystem Type |Size UsedAvailUse%|InodesIUsedIFreeIUse%|Mounted
/dev/mapper/cl-rootxfs |14G 4.9G8.6G 37% |6.7M 74K 6.7M 2% |/
devtmpfs devtmpfs|1.9G 0 1.9G 0% |472K 353 471K 1% |/dev
tmpfs tmpfs |1.9G 216K1.9G 1% |474K 55 474K 1% |/dev/shm
tmpfs tmpfs |1.9G 216K1.9G 1% |474K 545 474K 1% |/run
tmpfs tmpfs |1.9G 216K1.9G 1% |474K 16 474K 1% |/sys/fs/cgroup
tmpfs tmpfs |1.9G 175M1.7G 10% |474K 55 474K 1% |/dev/shm
tmpfs tmpfs |1.9G 175M1.7G 10% |474K 545 474K 1% |/run
tmpfs tmpfs |1.9G 175M1.7G 10% |474K 16 474K 1% |/sys/fs/cgroup
tmpfs tmpfs |1.9G 0 1.9G 0% |474K 55 474K 1% |/dev/shm
tmpfs tmpfs |1.9G 0 1.9G 0% |474K 545 474K 1% |/run
tmpfs tmpfs |1.9G 0 1.9G 0% |474K 16 474K 1% |/sys/fs/cgroup
/dev/sdb1 xfs |100G 3.9G97G 4% |50M 18K 50M 1% |/data
/dev/sda1 xfs |1014M135M880M 14% |512K 332 512K 1% |/boot
tmpfs tmpfs |380M 0 380M 0% |474K 1 474K 1% |/run/user/0

############################ 网络检查 ############################
ens160: 192.168.15.16/24

网关：192.168.15.1
DNS：202.96.134.133

############################ 监听检查 ############################
NetidState Recv-QSend-QLocal Address:PortPeerAddress:Port
udp UNCONN0 0 127.0.0.1:323*:*
udp UNCONN0 0 *:123 *:*
udp UNCONN0 0 ::1:323 :::*
tcp LISTEN0 128 *:22 *:*
tcp LISTEN0 1000 *:4505 *:*
tcp LISTEN0 1000 *:4506 *:*
tcp LISTEN0 128 *:3717 *:*
tcp LISTEN0 128 :::22 :::*

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

内存占用TOP10
-------------
PID %MEMRSS COMMAND
36628.1 315484/usr/local/mongodb/bin/mongod
12141.9 77076 /usr/bin/python
12181.4 55604 /usr/bin/python
12171.4 55588 /usr/bin/python
12291.4 55504 /usr/bin/python
12191.4 55500 /usr/bin/python
12281.4 55460 /usr/bin/python
982 1.3 52048 /usr/bin/python
984 1.1 45928 /usr/bin/python
12161.0 40388 /usr/bin/python

CPU占用TOP10
------------
PID USER PRNI VIRT RES SHR S%CPU %MEM TIME+ COMMAND
7338 root 20 0161852 2120 1540 R 6.20.1 0:00.04 top
1 root 20 0125324 3752 2512 S 0.00.1 1:07.85 systemd
2 root 20 0 0 0 0 S 0.00.0 0:02.44 kthreadd
3 root 20 0 0 0 0 S 0.00.0 0:07.84 ksoftirqd/0
7 root rt 0 0 0 0 S 0.00.0 0:33.33 migration/0
8 root 20 0 0 0 0 S 0.00.0 0:00.00 rcu_bh
9 root 20 0 0 0 0 S 0.00.033:59.52 rcu_sched
10 root rt 0 0 0 0 S 0.00.0 0:47.50 watchdog/0
11 root rt 0 0 0 0 S 0.00.0 0:50.74 watchdog/1
12 root rt 0 0 0 0 S 0.00.0 1:18.91 migration/1

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

服务配置
--------
auditd.service enabled
autovt@.service enabled
chronyd.service enabled
crond.service enabled
dbus-org.freedesktop.NetworkManager.serviceenabled
dbus-org.freedesktop.nm-dispatcher.service enabled
getty@.service enabled
irqbalance.service enabled
kdump.service enabled
lvm2-monitor.service enabled
microcode.service enabled
NetworkManager-dispatcher.service enabled
NetworkManager-wait-online.service enabled
NetworkManager.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
rsyslog.service enabled
salt-master.service enabled
salt-syndic.service enabled
sshd.service enabled
systemd-readahead-collect.service enabled
systemd-readahead-drop.service enabled
systemd-readahead-replay.service enabled
tuned.service enabled
vmtoolsd.service enabled

正在运行的服务
--------------
auditd.service loaded active running Security Auditing Service
chronyd.service loaded active running NTP client/server
crond.service loaded active running Command Scheduler
dbus.service loaded active running D-Bus System Message Bus
getty@tty1.service loaded active running Getty on tty1
irqbalance.service loaded active running irqbalance daemon
lvm2-lvmetad.service loaded active running LVM2 metadata daemon
NetworkManager.service loaded active running Network Manager
polkit.service loaded active running Authorization Manager
rsyslog.service loaded active running System Logging Service
salt-master.service loaded active running The Salt Master Server
salt-syndic.service loaded active running The Salt Master Server
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
vgauthd.service loaded active running VGAuth Service for open-vm-tools
vmtoolsd.service loaded active running Service for virtual machines hosted on VMware

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

############################ 登录检查 ############################
root pts/0 192.168.10.18 Mon Oct 25 09:30 still logged in
root pts/0 192.168.10.18 Fri Oct8 09:54 - 04:34 (15+18:39)
root pts/0 192.168.10.18 Fri Aug6 18:03 - 00:19 (55+06:16)
root pts/0 192.168.10.18 Tue Jul 13 10:14 - 18:03 (24+07:49)
reboot system boot3.10.0-514.el7.x Tue Jul 13 10:10 - 09:39 (105+23:29)
root pts/0 192.168.10.18 Fri Jul9 16:54 - crash (3+17:16)
root pts/0 192.168.10.18 Fri Jul9 15:22 - 15:35(00:13)
root pts/1 192.168.10.18 Wed Jul7 17:13 - 17:56(00:43)
root pts/0 192.168.10.18 Mon Jul5 22:37 - 15:15 (3+16:38)
reboot system boot3.10.0-514.el7.x Mon Jul5 22:36 - 09:39 (113+11:02)

############################ 计划任务检查 ########################
root
--------
*/20 * * * * /usr/sbin/ntpdate-btime1.aliyun.com > /dev/null 2>&1

-rw-r--r--.1rootroot128Apr112018/etc/cron.d/0hourly
-rw-r--r-- 1rootroot224Dec6 2018/etc/cron.d/mongodb-consistent-backup
-rwx------.1rootroot219Apr112018/etc/cron.daily/logrotate
-rwxr-xr-x.1rootroot618Mar182014/etc/cron.daily/man-db.cron
-rw-------.1rootroot0 Apr112018/etc/cron.deny
-rwxr-xr-x.1rootroot392Apr112018/etc/cron.hourly/0anacron
-rw-r--r--.1rootroot451Jun102014/etc/crontab

############################ 用户检查 ############################
/etc/passwd 最后修改时间：2021-07-13 10:34:27 (105 天 23 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/bash2021-10-25_09:30:00
25QPSZUser10001000/home/25QPSZUser/bin/bash从未登录过
postgres 10021002/home/postgres /bin/bash从未登录过

空密码用户
----------
postgres

相同ID的用户
------------

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

密码过期检查
------------
root 永不过期
25QPSZUser 永不过期
postgres 永不过期

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
25QPSZUser ALL=(root) ALL
%wheel ALL=(ALL) ALL

############################ JDK检查 #############################
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 ############################
libgcc-4.8.5-44.el7.i686 Wed13Oct202111:41:41AMCST
gcc-4.8.5-44.el7.x86_64 Wed13Oct202111:41:39AMCST
cpp-4.8.5-44.el7.x86_64 Wed13Oct202111:41:37AMCST
libgcc-4.8.5-44.el7.x86_64 Wed13Oct202111:41:35AMCST
libgomp-4.8.5-44.el7.x86_64 Wed13Oct202111:41:34AMCST
psmisc-22.20-17.el7.x86_64 Thu01Jul202110:03:22PMCST
irqbalance-1.0.7-12.el7.x86_64 Wed30Jun202103:54:44PMCST
percona-xtrabackup-80-8.0.25-17.1.el7.x86_64Wed23Jun202105:52:32PMCST
gpg-pubkey-8507efa5-5b02c2fb Wed23Jun202105:52:07PMCST
gpg-pubkey-cd2efd2a-4b26dda1 Wed23Jun202105:51:57PMCST
############################ 文件检查 #############################

############################查看所有被修改过的文件返回最近24小时内的############################
/tmp/a.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-namecommand to be executed

############################查看系统命令是否被替换############################
total 482908
dr-xr-xr-x. 2 root root 28672 Oct 13 11:41 .
lrwxrwxrwx 1 root root 3 Oct 13 11:41 cc -> gcc
lrwxrwxrwx 1 root root 6 Jul1 22:03 pstree.x11 -> pstree
-rwxr-xr-x 1 root root 75684 Jun 23 17:52 qpress
-rwxr-xr-x 1 root root 467824 May 31 18:49 xbcloud
-rwxr-xr-x 1 root root 222456 May 31 18:49 xbcrypt
-rwxr-xr-x 1 root root 252224 May 31 18:49 xbstream
-rwxr-xr-x 1 root root 58267600 May 31 18:48 xtrabackup
-rwxr-xr-x 1 root root 3020 May 31 18:25 xbcloud_osenv</pre>
</div>
 
f

</div>
<div id="MySignature" role="contentinfo">
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来源：https://www.cnblogs.com/MYSQLZOUQI/p/15469851.html

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