- add .DS_Store and Berksfile.lock into git's ignores.
- initial commit for squid
- clone the squid3 chef from github (https://github.com/opscode-cookbooks/squid) for future modifications
Forget to commit Berksfile to specify the source location of
- Modify the `squid.conf.erb` by adding following 2 external configuration files
  # allowed_srcs.txt
  # denied_domains.txt
- Configure squid with following rules
  # deny the domain names: xxx.baidu.com and xxx.facebook.com
  # only allow the source IP addresses:
      * 192.168.88.xx
      * 192.168.87.xx
      * 192.168.0.xx
Add 10.0.2.xx as allowed sources for development environment
Remove facebook.com from denied_domains.txt for normal access
Setup mysql server with default passwords, and forward host's 9090 port to guest's 3306 port
Initial commit for my_cookbook
In my_server cookbook, initialize the database  in mysql