环境：Ubuntu 13.10bitnami-redmine-2.5.1-1-linux-x64-installer.run用bitnami安装完redmine以后，有是否忘记了用户名和密码。但是又没有配置邮件服务器，无法找回密码。只能去服务器更改了。更改步骤如下：1. 修改 安装目录/redmin/apps/redmine/htdocs/conf

1. click ‘help’-》‘about eclipse platform’2. click 'Installtation Details'3. select the plugin you want to uninstall4. click 'Next' until it is uninstalled