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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