1. 轮询检测Apache状态并启用钉钉报警
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 #!/bin/bash shell_user="root" shell_domain="apache" shell_list="/root/ip_list" shell_row=`cat $shell_list |wc -l` function trans_text(){ text=$1 curl 'https://oapi.dingtalk.com/robot/send?access_token=b4fcf5862088a1bc7f2bf66a' -H'Content-Type: application/json' -d'{ #指定钉钉机器人hook地址 "msgtype": "text", "text": { "content": "'"$text"'" }, }' } function apache_check_80(){ ip=$1 URL="http://$ip/index.html" HTTP_CODE=`curl -o /dev/null -s -w "%{http_code}" "${URL}"` if [ $HTTP_CODE != 200 ] then trans_text " ================================================================= \n $ip Apache 服务器状态异常，网页返回码: '"$HTTP_CODE"' 请及时处理 ! \n ================================================================= \n" fi } while true do shell_list="/root/ip_list" shell_row=`cat $shell_list |wc -l` for temp in `seq 1 $shell_row` do Ip_Addr=`cat $shell_list |head -n $temp |tail -n 1` apache_check_80 $Ip_Addr done sleep 10 done
2. 一台监控主机，一台被监控主机。被监控主机分区使用率大于80%，就发告警邮件。放到crontab里面，每10分钟执行一次
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 #！/bin/bash FSMAX="80" remote_user='root' remote_ip=(IP地址列表) ip_num='0' while [ "$ip_num" -le "$(expr ${#remote_ip[@]} -l)"] do read_num='1' ssh "$remote_user"@"${remote_ip[$ip_num]}" df -h > /tmp/diskcheck_tmp grep '^/dev/*' /tmp/diskcheck_tmp | awk '{print $5}'|sed 's/\%//g' > /tmp/diskcheck_num_tmp while [ "$read_num" -le $(wc -l < /tmp/diskcheck_num_tmp) ] do size=$(sed -n "$read_num" 'p' /tmp/diskcheck_num_tmp) if [ "size" -gt "$FSMAX" ] then $(grep '^/dev/*' /tmp/diskcheck_tmp |sed -n $read_num'p' > /tmp/disk_check_mail) $(echo ${remote_ip[$ip_num]}) >> /tmp/disk_check_mail) $(mail -s "diskcheck_alert" admin < /tmp/disk_check_mail) fi read_num=$(expr $read_num + 1) done ip_num=$(expr $ip_num + 1) done
3.监控主机的磁盘空间,当使用空间超过90％就通过发mail来发警告
1 2 3 4 5 6 7 8 9 10 11 #!/bin/bash #monitor available disk space #提取本服务器的IP地址信息 IP=`ifconfig eth0 | grep "inet addr" | cut -f 2 -d ":" | cut -f 1 -d " "` SPACE=` df -hP | awk '{print int($5)}'` if [ $SPACE -ge 90 ] then echo "$IP 服务器 磁盘空间 使用率已经超过90%，请及时处理。"|mail -s "$IP 服务器硬盘告警， 公众号：Geek安全" fty89@163.com fi
4. 自动ftp上传
1 2 3 4 5 6 7 8 9 10 11 12 #! /bin/bash ftp -n << END_FTP open 192.168.1.22 user test testing //用户名test 密码：testing binary prompt off //关闭提示 mput files //上传files文件 close bye END_FTP
5.mysqlbak.sh备份数据库目录脚本
1 2 3 4 5 6 7 8 9 10 11 12 13 >#!/bin/bash DAY=`date +%Y%m%d` SIZE=`du -sh /var/lib/mysql` echo "Date: $DAY" >> /tmp/dbinfo.txt echo "Data Size: $SIZE" >> /tmp/dbinfo.txt cd /opt/dbbak &> /dev/null || mkdir /opt/dbbak tar zcf /opt/dbbak/mysqlbak-${DAY}.tar.gz /var/lib/mysql /tmp/dbinfo.txt &> /dev/null rm -f /tmp/dbinfo.txt crontab-e 55 23 */3 * * /opt/dbbak/dbbak.sh
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6.打印彩虹
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 declare -a ary for i in `seq 40 49` do ary[$i]=" " echo -en "\e[$i;5m ${ary[@]}\e[;0m" done declare -a ary for s in `seq 1 10000` do for i in `seq 40 49` do ary[$i]=" " echo -en "\e[$i;5m ${ary[@]}\e[;0m" done done
7.打印菱形
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 #!/bin/bash for (( i = 1; i < 12; i++)) do if [[ $i -le 6 ]] then for ((j = $((12-i)); j > i; j--)) do echo -n " " done for ((m = 1; m <= $((2*i-1)); m++)) do echo -n "* " done echo "" #***************************************************************************** elif [[ $i -gt 6 ]] then n=$((12-i)) for ((j = $((12-n)); j > n; j--)) do echo -n " " done for ((m = 1; m <= $((2*n-1)); m++)) do echo -n "* " done echo "" fi done
8.expect实现远程登陆自动交互
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 #!/usr/bin/expect -f set ipaddress [lindex $argv 0] set passwd [lindex $argv 1] set timeout 30 spawn ssh-copy-id root@$ipaddress expect { "yes/no" { send "yes\r";exp_continue } "password:" { send "$passwd\r" } } #expect "*from*" #send "mkdir -p ./tmp/testfile\r" #send "exit\r" #expect "#" #i# 命令运行完, 你要期待一个结果, 结果就是返回shell提示符了(是# 或者$)
9.http心跳检测
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 #!/bin/bash function MyInstall { if ! rpm -qa |grep -q "^$1" then yum install $1 if [ $? -eq 0 ] then echo -e "$i install is ok\n" else echo -e "$1 install no\n" fi else echo -e "yi an zhuang ! \n" fi } for ins in mysql php httpd do MyInstall $ins done
12.shell实现插入排序
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 #!/bin/bash declare -a array for i in `seq 1 10` do array[$i]=$RANDOM done echo -e "Array_1: ${array[@]}" for (( x=1;x<=9;x++ )) do for(( y=1;y<=9;y++ )) do if [ ${array[$y]} -gt ${array[$y+1]} ] then temp=${array[$y]} array[$y]=${array[$y+1]} array[$y+1]=$temp fi done done echo -e "Array_2: ${array[@]}"
13.bash实现动态进度条
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 #!/bin/bash i=0 bar='' index=0 arr=( "|" "/" "-" "\\" ) while [ $i -le 100 ] do let index=index%4 printf "[%-100s][%d%%][\e[43;46;1m%c\e[0m]\r" "$bar" "$i" "${arr[$index]}" let i++ let index++ usleep 30000 bar+='#' clear done printf "\n"
14. 根据文件内容创建账号
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 #!/bin/bash for Uname in `cat /root/useradd.txt |gawk '{print $1}'` do id $Uname &> /dev/null if [ $? -eq 0 ] then echo -e "这个账号已存在!来源：微信公众号【网络技术干货圈】" continue fi for Upasswd in `cat /root/useradd.txt |gawk '{print $2}'` do useradd $Uname &> /dev/null echo "$Upasswd" |passwd --stdin $Uname &> /dev/null if [ $? -eq 0 ] then echo -e "账号创建成功!" else echo -e "创建失败!" fi done done
15. 红色进度条
1 2 3 4 5 6 7 8 9 10 11 12 13 #!/bin/bash declare -a ary for i in `seq 0 20` do ary[$i]=" " echo -en "\e[41;5m ${ary[@]}\e[;0m" sleep 1 done
16.监控服务器网卡流量
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 #!/bin/bash #network #Mike.Xu while : ; do speedtime='date +%m"-"%d" "%k":"%M' speedday='date +%m"-"%d' speedrx_before='ifconfig eth0|sed -n "8"p|awk '{print $2}'|cut -c7-' speedtx_before='ifconfig eth0|sed -n "8"p|awk '{print $6}'|cut -c7-' sleep 2 speedrx_after='ifconfig eth0|sed -n "8"p|awk '{print $2}'|cut -c7-' speedtx_after='ifconfig eth0|sed -n "8"p|awk '{print $6}'|cut -c7-' speedrx_result=$[(speedrx_after-speedrx_before)/256] speedtx_result=$[(speedtx_after-speedtx_before)/256] echo"$speedday$speedtime Now_In_Speed: "$speedrx_result"kbps Now_OUt_Speed: "$speedtx_result"kbps" sleep 2 done
17. 检测CPU剩余百分比
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 #!/bin/bash #Inspect CPU #Sun Jul 31 17:25:41 CST 2016 PATH=/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/wl/bin export PATH TERM=linux export TERM CpuResult=$(top -bn 1 | grep "Cpu" | awk '{print $5}' | sed 's/\..*$//g') if [[ $CpuResult < 20 ]];then echo "CPU WARNING : $CpuResult" > /service/script/.cpu_in.txt top -bn 1 >> /service/script./cpu_in.txt mail -s "Inspcet CPU" wl < /service/script/.cpu_in.txt fi
18.检测磁盘剩余空间
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 #!/bin/bash #Insepct Harddisk , If the remaining space is more than 80%, the message is sent to the wl #Tue Aug 2 09:45:56 CST 2016 PATH=/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/wl/bin export PATH for RemainingSpace in $(df -h | awk '{print $5}' | grep -v 'Use' | sed -e 's/[%]//g') do if [[ $RemainingSpace > 80 ]];then echo -e "$RemainingSpace" echo -e "$(df -h | grep $RemainingSpace)" > /service/script/.HarddiskWarning mail -s "disk Warning" wl < /service/script/.HarddiskWarning fi done
19. bash-实现检测apache状态并钉钉报警
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 #!/bin/bash function trans_text(){ text=$1 curl 'https://oapi.dingtalk.com/robot/send?access_token=b4fcf5862088a1bc7f2bf66aea051869e62ff5879fa0e0fddb0db9b1494781c2' -H'Content-Type: application/json' -d' { "msgtype": "text", "text": { "content": "'"$text"'" }, }' } function desk_check(){ dftype=$1 shell_row=`df |wc -l` for i in `seq 2 $shell_row` do temp=(`df -h |head -n $i |tail -n 1 |awk '{print $5 "\t" $6}'`) disk="`echo ${temp[0]} |cut -d "%" -f 1`" name="${temp[1]}" hostname=`hostname` IP=`ifconfig |grep -v "127.0.0.1" |grep "inet addr:" |sed 's/^.*inet addr://g'|sed 's/ Bcas..*$//g'` #echo -e "$disk $name" Dat=`date "+%F %T"` if [ $disk -ge $dftype ] then echo " ======================== \n >磁盘分区异常< \n 主机名: $hostname \n IP地址: $IP \n 分区名: $name \n 使用率: $disk %\n 发生时间: $Dat \n ========================= \n" fi done } function apache_check(){ url=$1 URL="http://$url/" HTTP_CODE=`curl -o /dev/null -s -w "%{http_code}" "${URL}"` if [ $HTTP_CODE != 200 ] then echo " ======================== \n >Apache服务异常< 主机名: $hostname \n IP地址: $IP \n 返回代码: $HTTP_CODE \n 发生时间: $Dat \n ========================= \n" fi } while true do desk_check 10 apache_check 127.0.0.1 sleep 10 done
20.内存检测
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 #!/bin/bash #Inspect Memory : If the memory is less than 500 , then send mail to wl #Tue Aug 2 09:13:43 CST 2016 PATH=/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/wl/bin export PATH MEM=$(free -m | grep "Mem" | awk '{print $4}') if [[ MEM < 500 ]];then echo -e "Memory Warning : Memory free $MEM" > /service/script/.MemoryWarning mail -s "Memory Warning" wl < /service/script/.MemoryWarning fi
21.剩余inode检测
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 #!/bin/bash #Inspcet Inode : If the free INODE is less than 200, the message is sent to the wl #Tue Aug 2 10:21:29 CST 2016 PATH=/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/wl/bin export PATH for FreeInode in $(df -i | grep -v "Filesystem" | awk '{print $4}') do if [[ $FreeInode < 200 ]];then echo -e "$(df -i | grep "$FreeInode")" > /service/script/.FreeInode mail -s "FreeInode Warning" wl < /service/script/.FreeInode fi done
22.判断哪些用户登陆了系统
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 #!/bin/bash declare -i count=0 while true;do if who |grep -q -E "^wang" then echo -e "用户wang 登陆了系统\n 这是第$count 次!威信公众浩：wljsghq" break else let count++ fi sleep 3 done ~ 示例：找出UID为偶数的所有用户，显示其用户名和ID号； #!/bin/bash while read line; do userid=$(echo $line | cut -d: -f3) if [ $[$userid%2] -eq 0 ]; then echo $line | cut -d: -f1,3 fi done < /etc/passwd
23.批量创建账号
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 #!/bin/bash sum=1 while [ $sum -le 30 ] do if [ $sum -le 9 ] then user="user_0$sum" else user="user_$sum" fi useradd $user echo "123456" |passwd --stdin $user chage -d 0 $user let sum=sum+1 done
24.批量扫面存活
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 #!/bin/bash #By:lyshark #nmap 192.168.22.0/24>ip MAC=`cat ip |awk '$1 == "MAC" && $NF == "(VMware)"{print $3}'` for i in `seq 1 20` do temp=`echo ${MAC[@]} |awk '{print $i}'` IP=`cat /ip |grep -B5 $temp |grep "Nmap scan"|awk '{print $5}'` echo $IP |awk '{print $1}' done
25.正则匹配IP
1 2 3 4 5 6 7 8 9 10 11 12 13 ^[0-9]{0,2}|^1[0-9]{0,2}|^2[0-5]{0,2} egrep "(^[0-9]{1,2}|^1[0-9]{0,2}|^2[0-5]{0,2})\.([0-9]{1,2}|1[0-9]{0,2}|2[0-5]{0,2})\.([0-9]{1,2}|1[0-9]{0,2}|2[0-5]{0,2})\.([0-9]{1,2}|1[0-9]{0,2}|2[0-5]{0,2})$" ([0-9]{1,2}|1[0-9]{0,2}|2[0-5]{0,2}) ([0-9]{1,2}|1[0-9]{0,2}|2[0-5]{0,2}) ([0-9]{1,2}|1[0-9]{0,2}|2[0-5]{0,2}) ([0-9]{1,2}|1[0-9]{0,2}|2[0-5]{0,2}) egrep "((25[0-5]|2[0-4][0-9]|((1[0-9]{2})|([1-9]?[0-9])))\.){3}(25[0-5]|2[0-4][0-9]|((1[0-9]{2})|([1-9]?[0-9])))" ls |egrep "((25[0-5]|2[0-4][0-9]|((1[0-9]{2})|([1-9]?[0-9])))\.){3}(25[0-5]|2[0-4][0-9]|((1[0-9]{2})|([1-9]?[0-9])$))"
26.正则匹配邮箱
1 2 3 4 egrep "^[0-9a-zA-Z][0-9a-zA-Z_]{1,16}[0-9a-zA-Z]\@[0-9a-zA-Z-]*([0-9a-zA-Z])?\.(com|com.cn|net|org|cn)$" rui ls |egrep "^(([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-4])$"
27.实现布片效果
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 #!/bin/bash function ary_go { $1 $2 for (( i=0;i<=$1;i++ )) do for (( s=0;s<=$2;s++ )) do if [ $[$i%2] == 0 ] then if [ $[$s%2] == 0 ] then echo -en " " else echo -en "\e[;44m \e[;m" fi else if [ $[$s%2] == 0 ] then echo -en "\e[;42m \e[;m" else echo -en " " fi fi done echo done } ary_go 25 50
28.剔除白名单以外的用户
1 2 3 4 5 6 7 8 9 10 11 #!/bin/bash w | awk 'NR>=3 {printf $1 "\t" $2 "\t" $3 "\n"}' > /tmp/who.txt for i in $(awk '{printf $1}' /tmp/bai.txt) do k=$(egrep -v "$i" /tmp/who.txt | awk '{printf $2} "\n"' | awk '{printf $2 "\n"}') for j in $k do pkill -9 -t "$j" done done
