摘要：
PHP Fatal error: Class 'mysqli' not found 网上很多都是源码编译安装，文章差不多类似，最后在 stack overflow 找到只需要yum 安装即可 Centos: sudo yum install php-mysqli sudo yum install p 阅读全文
摘要：
pip install supervisor pip install --trusted-host pypi.org --trusted-host files.pythonhosted.org --upgrade supervisor echo_supervisord_conf > /etc/sup 阅读全文
摘要：
Issue 1: Cannot connect to the database. Unsupported charset or collation for tables: acknowledges, actions, alerts, application_discovery, applicatio 阅读全文