deathcult

#!/bin/sh

logfile=/tmp/httpd.log
Date=`date '+%Y-%m-%d %H:%M:%S'`

httpd_proc_num=`pgrep httpd | wc -l`

## httpd进程数少于3，说明有异常，重启服务：
if [ $httpd_proc_num -lt 3 ]; then
	echo "$Date httpd process count: $httpd_proc_num, restart it" >> $logfile

deathcult

netstat -tan| awk '{print $5}' | cut -d: -f4| sort| uniq -c|sort -nr  |awk '{if($1>10)print "iptables -I INPUT -s "$2" -j DROP"}' 

deathcult

netstat -tan| awk '{print $5}' | cut -d: -f1| sort| uniq -c| sort -nr

deathcult

Frontend Developer Skills (or Keywords)：

• Yslow
• pagespeed insights
• YUI
• purecss
• bootstrap
• html5
• CSS3
• CSS sprite
• Ext JS

deathcult

#!/bin/sh
## MySQL 5.1.61
## mysql_kill_locked.sh #调试
## mysql_kill_locked.sh | sh #执行

## ID != 1
mysqladmin -u* -p* processlist |grep Locked |awk '{if($2!=1)print "mysqladmin -u*  -p* kill " $2}' 

deathcult

## .htaccess
## redirect all php request:

RewriteEngine on

RewriteCond $1 php$ 
RewriteRule ^(.*)$ http://www.abc.com/construction.html [L,R=301]

deathcult

#!/bin/sh
## MySQL 5.1.61

## sleep时间大于等于10秒，kill掉：
mysqladmin -u*  -p*  processlist |grep -i sleep |awk '{if($12>=10) print $2}' |xargs -n1 mysqladmin -u* -p* kill

deathcult

#!/bin/sh 
## CentOS release 6.2

TODAY=`date '+%Y%m%d.%H'`
TOMORROW=`date -d'tomorrow'  '+%Y%m%d'`
YESTERDAY=`date -d'yesterday'  '+%Y%m%d'`
PREVIOUS_HOUR=`date -d'1 hour ago' '+%Y%m%d%H'`
NEXT_HOUR=`date -d'+1 hour' '+%Y%m%d%H'`

echo $NEXT_HOUR

deathcult

GET ifconfig.me/all.json
curl ifconfig.me/all.json

deathcult

fact = lambda x: x and x*fact(x-1) or 1
print fact(5)