URL检查的脚本示例

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URL检查

#!/bin/bash
path=/home/scripts
MAIL_GROUP="12306@qq.com 123456@163.com"
PHOTO_GROUP="13502693568 18023569846"
. /etc/init.d/functions
check_count=0

url_list(
http://www.baidu.com
https://blog.51cto.com
http://www.qq.com
http://192.168.1.5
)

functions wait()
{
echo -n '3秒后开始执行检查UEL操作';
for ((i=0;i<3;i++))
  do
   echo -n "1...";sleep 1
  done
  echo
}

functions check_url()
{
wait
for ((i=0;i<`echo ${#url_list[*]}`;i++))
do
  wget -o /dev/null -T 3 --tries=1 --spider ${url_list[$i]} >/dev/null 2>&1
  if [ $? -eq 0 ]
   then
    action "${url_list[$i]}" /bin/true
  else
   action "${url_list[$i]}" /bin/false
  fi
done
((check_count++))
}

functions MAIL(){
for user in `echo $MAIL_GROUP`
  do
   mail -s "$content" $user <$logfile
  done
}

main()
{
while true
do
  check_url
  echo "----------check_count:$check_count----------"
  sleep
done
}

main

############################

跳板机

#!/bin/bash
trapper() {
trap ':' INT EXIT TSTP TERM HUP
}

main() {
while :
do
  trapper
  clear
  cat <   1)web01-192.168.1.5
   2)web02-192.168.1.6
   3)web03-192.168.1.7
   4)MySQL-192.168.1.8
  menu
  read -p "please input the num: " num
  case "$num" in
   1)
    echo 'login in 192.168.1.5 web01-nginx'
    ssh 192.168.1.5
    ;;
   2)
    echo 'login in 192.168.1.6 web02-nginx'
    ssh 192.168.1.6
    ;;
   3)
    echo 'login in 192.168.1.7 web03-nginx'
    ssh 192.168.1.7
    ;;
   4)
    echo 'login in 192.168.1.8 mysql-192'
    ssh 192.168.1.8
    ;;
   *)
    echo "the num you have input is error"
  esac
done
}
main

###############################

批量创建用户设置密码

#!/bin/bash
. /etc/init.d/functions
user="kaifa"
passdile="/tmp/user.log"
for num in `sed -w 1 20`
do
password="`openssl rand -base64 10`"
useradd $user$num &>/dev/null &&\
echo "$password"|passwd --stdin $user$num &>/dev/null &&\
echo -e "$user$num   ::   $password" >> $passdile
if [ #? -eq 0 ]
  then
   action "$user$num is ok" /bin/true
else
   action "$user$num is fail" /bin/false
fi
done
echo "###############创建完成###################"
echo "请到/tmp/user.log中查看账户和密码"

#########################

Nginx启动

#!/bin/bash
# chkconfig 2345 50 98
path=/usr/local/nginx/sbin
pid=/usr/local/nginx/logs/nginx.pid
RETVAL=0
. /etc/init.d/functions

start(){
if[ `netstat -lunpt|grep nginx |wc -l` -eq 0 ];then
  $pash/nginx
  RETVAL=$?
  if [ $RETVAL -eq 0 ];then
   action "nginx is started" /bin/true
   return $RETVAL
  else
   action "nginx is started" /bin/false
   return $RETVAL
  fi
else
  echo "nginx is running"
  return 0
fi
}

stop(){
if [ -f $pid ]
  $path/nginx -s stop
  RETVAL=$?
  if [ $RETVAL -eq 0 ];then
   action "nginx is stoped" /bin/true
   return $RETVAL
  else
   action "nginx is stoped" /bin/false
   return $RETVAL
  fi
else
  echo "nginx is not running"
  return $RETVAL
fi
}

case "$1" in
start)
  start
  RETVAL=$?
  ;;
stop)
  stop
  RETVAL=$?
  ;;
restart)
  stop
  sleep 1
  start
  RETVAL=$?
  ;;
*)
  echo $"Usage: $0 {start|stop|restart}"
  exit 1
esac
exit $RETVAL

#################

随机密码生产

随机密码生产的6种不同方法

################随机生成10位的密码

echo "helloboy$RANDOM"|md5sum|cut -c 3-13

openssl rand -base64 10

date +%s%N |md5sum|cut -c 2-12

head /dev/urandom|cksum|md5sum|cut -c 2-12

mkpasswd -l 9 -d 2 -c 3 -C 3 -s 1|md5sum|cut -c 3-13

echo "`openssl rand -base64 10`"|passwd --stdin username >> /tmp/1.log

关闭不需要的服务
chkconfig |egrep -vE "crond|sshd|network|rsyslog|sysstat" |awk '{print "chkconfig",$1,"off"}'|bash

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URL检查的脚本示例

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