Mssql/SQL备份、恢复多个数据库
发布时间:April 20, 2012 // 分类:数据库 // No Comments
如果有多个数据库同时备份在Mysql下可在shell下备份,SQL可在数据库查询分析器下执行多个backup database语句备份,用restore database语句恢复数据库。
首先打开SQL查询分析器,备份命令如下:
backup database dbname
to disk= 'c:\back\back.bak'
恢复命令如下:
restore database dbname
from disk= 'c:\back\back.bak'
OpenWrt路由器iptables防火墙设置
发布时间:April 18, 2012 // 分类:OpenWrt // No Comments
OpenWrt自带防火墙有点复杂,自己根据需要重新配置了下iptables,可满足一般用户需求。
#/bin/bash
#OpenWrt防火墙,适用于RG100AA
#Cretaed by www.haiyun.me
iptables -F
iptables -X
iptables -Z
iptables -P INPUT DROP
iptables -P OUTPUT ACCEPT
iptables -P FORWARD DROP
iptables -A INPUT -i lo -j ACCEPT
iptables -A INPUT -i br-lan -j ACCEPT
#iptables -A INPUT -m string --algo bm --string "sex" -j DROP
iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
#iptables -A FORWARD -m string --algo bm --string "sex" -j DROP
iptables -A FORWARD -i br-lan -o pppoe-wan -j ACCEPT
iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
#iptables -A FORWARD -p tcp --dport 12488 -j ACCEPT
#iptables -A FORWARD -p udp --dport 12488 -j ACCEPT
iptables -t nat -F
iptables -t nat -X
iptables -t nat -Z
iptables -t nat -P PREROUTING ACCEPT
iptables -t nat -P POSTROUTING ACCEPT
iptables -t nat -P OUTPUT ACCEPT
iptables -t nat -A POSTROUTING -i br-lan -o pppoe-wan -j MASQUERADE
#iptables -t nat -A PREROUTING -p tcp --dport 12488 -j DNAT --to-destination 192.168.1.6
#iptables -t nat -A PREROUTING -p udp --dport 12488 -j DNAT --to-destination 192.168.1.6
#iptables -t mangle -F
#iptables -t mangle -X
#iptables -t mangle -Z
#iptables -t mangle -A PREROUTING -i pppoe-wan -j TTL --ttl-inc 1
#iptables -t mangle -A POSTROUTING -o pppoe-wan -j TTL --ttl-set 128
#iptables -t mangle -A POSTROUTING -o pppoe-wan -j IPID --ipid-pace 1
#iptables -I FORWARD -p tcp --tcp-flags RST RST -j DROP
Dedecms更新栏目时DedeTag Engine Create File False错误解决
发布时间:April 18, 2012 // 分类:网站程序 // No Comments
出现这个问题一般是权限的问题,请检查相应的目录是否有写入权限。
修改程序文件,获取详细的错误信息。
include/dedetag.class.php
找到这行:
$fp = @fopen($filename,"w") or die("DedeTag Engine Create File False");
修改为:
$fp = @fopen($filename,"w") or die("DedeTag Engine Create File False:$filename");
再次更新栏目会提示出错的具体文件各目录,修改相应目录有写入权限,恢复修改的程序文件。
Shell监控kloxo面板Could not open database connection自动修复
发布时间:April 16, 2012 // 分类:Shell,控制面板 // No Comments
kloxo经常出现Could not open database connection真是个让人头痛的问题,按照官方提供的方法修复后有客户反应以后还是出现此问题,不得已写个脚本放后台定时监控网站,反正也不占用多少资源,如遇到Could not open database connection问题自动修复。
#!/bin/bash
#set -x
#Created by https://www.haiyun.me
website=0.0.0.0:7778 #kloxo面板地址
while true
do
if
curl $website|grep Could
then
sh /script/fix-program-mysql
/etc/init.d/mysqld restart
fi
sleep 120
done
执行:
nohup sh /path/file.sh & #以nohup方式后台运行
echo "nohup sh /path/file.sh &" >> /etc/rc.local #开机启动
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