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
END
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
autovt@.service 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
getty@.service 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
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