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为了跑通那个HelloWorld。
接上篇：http://blog.csdn.net/littlekid/archive/2009/10/26/4727443.aspx
上次一直不能通过帐号验证，所以今天继续注册一个帐号进行验证过程。
{
题外话：
注册过程中发现PlanetLab的全球站点中，我比较熟悉的高校中，台湾的高校都已经注册了，国内的话北京大学、华中科技大学等都还是Panding Registration，而清华大学和西安交通大学都已经激活了节点。
}
注册时选择清华大学这个节点，然后帐号被通知已经创建：
xxx <xxx@xxx.com> has signed up for a new
PlanetLab account at Tsinghua University and has requested the following
roles: user.
To deny the request or enable the account,visit:
https://www.planet-lab.org:443/db/persons/index.php?id=xxxx
然后我就去Login，但是不断地提示：
Sorry. Unrecognized username or password.
没办法，我坚持不懈地登录，终于给出了不同的结果：
Unable to connect to database
This either means that the database information in your settings.php file is incorrect or we can't contact the PostgreSQL database server. This could mean your hosting provider's database server is down.
The PostgreSQL error was: pg_connect() [<a href='function.pg-connect'>function.pg-connect</a>]: Unable to connect to PostgreSQL server: FATAL: connection limit exceeded for non-superusers < is db.planet-lab.org .
- Are you sure you have the correct username and password?
- Are you sure that you have typed the correct hostname?
- Are you sure you have the correct database name?
- Are you sure that the database server is running?
For more help,see the Installation and upgrading handbook . If you are unsure what these terms mean you should probably contact your hosting provider.
上面提示说站点可能down掉了，或者我的用户名和密码不对吧？
无语阿，所以直接跑到PlanetLab欧洲网站上去出重新弄一遍，发现还是同样的问题，难道我rp有问题？
我还是再试试重置密码：
PLCAPI error: Fault Code 102: person_id 1: ResetPassword: Invalid argument:
Account must be enabled in /var/www/html/planetlab/persons/reset_password.php on line 33.
没办法，再去PlanetLab Japan去弄一下：
注册University of Tokyo然后发现：
PLCAPI error: Fault Code 1: :{u'xxx@xxx.com': (550,'5.7.1 ...
Relaying denied. IP name lookup failed [192.168.32.4]')} in /var/www/html/planetlab/persons/register.php on line 139
看来是因为我的IP不在他们的节点范围内？
再换成NICT节点，结果：
PLCAPI error: Fault Code 102: person_id 1: AddPerson: Invalid argument:
E-mail address already in use in /var/www/html/planetlab/persons/register.php on line 109
已经在用了？不会吧……那为什么一登录还是：
Sorry. Unrecognized username or password.
恩，还是不能激活，杯具了。
好吧，我还是慢慢看文档：
FAQ的第一条：
I want to use PlanetLab. How do I join?
Individuals are not allowed to directly join PlanetLab. Your home institution must be a member of the PlanetLab Consortium. To see if your institution is already on PlanetLab,click here . This page also identifies your site's Principal Investigator (PI),who is the person that approves PlanetLab accounts at your institution.
只能证明，我是SB。
××××××××××××××××××××××××××总结××××××××××××××××××××××××××
这次的事情说明我典型的做事方法有问题 ——太急于实现了。
本来应该把网站上的文档好好看一遍的，结果我就直接拿来Hello World tutorial一边看一边实现，结果浪费时间和精力。
下次一定要好好读文档。
（编辑：李大同）
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