Configuring a hybrid cloud may have its own challenges, and sometimes troubleshooting problems can be very daunting. In this chapter, we will focus on basic troubleshooting skills that can be very handy when handling hybrid cloud issues. Since we have been focusing on OpenStack and AWS in the hybrid cloud environment, we will discuss the troubleshooting techniques for various OpenStack services. Later, we will also shed some light on how we can approach fixing AWS problems. The issues discussed here could be the causes of the cloud APIs failing and hence developers should be aware of these issues. 

The following topics will be covered in this chapter:

• Linux monitoring and troubleshooting tools
• Troubleshooting the OpenStack KeyStone service
• Troubleshooting the OpenStack Identity service
• Troubleshooting the OpenStack Image service
• Troubleshooting the OpenStack Network service
• Troubleshooting the OpenStack Compute service
• Troubleshooting the OpenStack Block Storage service
• Troubleshooting the OpenStack Object Storage service
• Troubleshooting the OpenStack Orchestration service
• Troubleshooting Amazon Web Services
• Troubleshooting OpenVPN issues