Bash/Shell-脚本整理(长期更新)
Posted LyShark
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轮询检测Apache状态并启用钉钉报警
#!/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 " ================================================================= $ip Apache 服务器状态异常，网页返回码: ‘"$HTTP_CODE"‘ 请及时处理 ! ================================================================= " 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 $Ip_Addr done sleep 10 done
打印彩虹
declare -a ary for i in `seq 40 49` do ary[$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
打印菱形
#!/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
expect实现远程登陆自动交互
#!/usr/bin/expect -f set ipaddress [lindex $argv 0] set passwd [lindex $argv 1] set timeout 30 spawn ssh-copy-id [email protected]$ipaddress expect { "yes/no" { send "yes ";exp_continue } "password:" { send "$passwd " } } #expect "*from*" #send "mkdir -p ./tmp/testfile " #send "exit " #expect "#" #i# 命令运行完, 你要期待一个结果, 结果就是返回shell提示符了(是# 或者$)
http心跳检测
URL="http://192.168.22.191/index.html" THHP_CODE=`curl -o /dev/null -s -w "%{http_code}" "${URL}"` if [ $HTTP_CODE != 200 ] then echo -e "apache code:"$HTTP_CODE"" fi
PV过量自动实现防火墙封IP
#!/bin/bash log=/tmp/tmp.log [ -f $log ] || touch $log function add_iptales() { while read line do ip=`echo $line |awk ‘{print $2}‘` count=`echo $line |awk ‘{print $1}‘` if [ $count -gt 100 ] && [ `iptables -L -n |grep "$ip" |wc -l` -lt 1 ] then iptables -I INPUT -s $ip -j DROP echo -e "$list isdropped">>/tmp/droplist.log fi done<$log } function main() { while true do netstat -an|grep "EST" |awk -F ‘[:]+‘ ‘{print $6}‘|sort |uniq -c >$log add_iptales sleep 180 done } main
shell实现自动安装
#!/bin/bash function MyInstall { if ! rpm -qa |grep -q "^$1" then yum install $1 if [ $? -eq 0 ] then echo -e "$i install is ok " else echo -e "$1 install no " fi else echo -e "yi an zhuang ! " fi } for ins in mysql php httpd do MyInstall $ins done
shell实现插入排序
#!/bin/bash declare -a array for i in `seq 1 10` do array[$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[@]}"
bash实现动态进度条
#!/bin/bash i=0 bar=‘‘ index=0 arr=( "|" "/" "-" "\" ) while [ $i -le 100 ] do let index=index%4 printf "[%-100s][%d%%][e[43;46;1m%ce[0m] " "$bar" "$i" "${arr[$index]}" let i++ let index++ usleep 30000 bar+=‘#‘ clear done printf " "
根据文件内容创建账号
#!/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!" 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 [ $? -eq 0 ] then echo -e "账号创建成功!" else echo -e "创建失败!" fi done done
红色进度条
#!/bin/bash declare -a ary for i in `seq 0 20` do ary[$i]=" " echo -en "e[41;5m ${ary[@]}e[;0m" sleep 1 done
监控服务器网卡流量
#!/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: "$speedtx_result"kbps" sleep 2 done
检测CPU剩余百分比
#!/bin/bash #Inspect CPU #Sun Jul 31 17:25:41 CST 2016 PATH=/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/wl/bin export PATH TERM=linux export TERM CpuResult=$(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
检测磁盘剩余空间
#!/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
bash-实现检测apache状态并钉钉报警
#!/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 " " $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 " ======================== >磁盘分区异常< 主机名: $hostname IP地址: $IP 分区名: $name 使用率: $disk % 发生时间: $Dat ========================= " 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 " ======================== >Apache服务异常< 主机名: $hostname IP地址: $IP 返回代码: $HTTP_CODE 发生时间: $Dat ========================= " fi } while true do desk_check 10 apache_check 127.0.0.1 sleep 10 done
内存检测
#!/bin/bash #Inspect Memory : If the memory is less than 500 , then send mail to wl #Tue Aug 2 09:13:43 CST 2016 PATH=/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/wl/bin export PATH MEM=$(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
剩余inode检测
#!/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 "$FreeInode")" > /service/script/.FreeInode mail -s "FreeInode Warning" wl < /service/script/.FreeInode fi done
判断哪些用户登陆了系统
#!/bin/bash declare -i count=0 while true;do if who |grep -q -E "^wang" then echo -e "用户wang 登陆了系统 这是第$count 次!" 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
批量创建账号
#!/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
批量扫面存活
#!/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 $1}‘ done
正则匹配IP
^[0-9]{0,2}|^1[0-9]{0,2}|^2[0-5]{0,2} egrep "(^[0-9]{1,2}|^1[0-9]{0,2}|^2[0-5]{0,2}).([0-9]{1,2}|1[0-9]{0,2}|2[0-5]{0,2}).([0-9]{1,2}|1[0-9]{0,2}|2[0-5]{0,2}).([0-9]{1,2}|1[0-9]{0,2}|2[0-5]{0,2})$" ([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])$))"
正则匹配邮箱
egrep "^[0-9a-zA-Z][0-9a-zA-Z_]{1,16}[0-9a-zA-Z]@[0-9a-zA-Z-]*([0-9a-zA-Z])?.(com|com.cn|net|org|cn)$" 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])$"
实现布片效果
#!/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
剔除白名单以外的用户
#!/bin/bash w | awk ‘NR>=3 {printf $1 " " $2 " " $3 " "}‘ > /tmp/who.txt for i in $(awk ‘{printf $1}‘ /tmp/bai.txt) do k=$(egrep -v "$i" /tmp/who.txt | awk ‘{printf $2} " "‘ | awk ‘{printf $2 " "}‘) for j in $k do pkill -9 -t "$j" done done
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