This part will introduce how to configure a Linux router to run with Dynamic BGP. BGP (Border Gateway Protocol) is a gateway protocol which is widely used to exchange routing information between routers.

Recently I need to test BGP settings of a router. However I do not have operate permission on the upstream router. Therefore I decided to add a Linux router between. This article introduces how to set up a linux router with dynamic BGP.

For linux server with multiple nics, it is a common issue that only one of the nic IP is reachable. The issue is due to missing routes of other nics. This article will show how to fix the issue.

Apache CloudStack provides the register/download/upload features via a System VM which is named Secondary Storage VM (aka SSVM). This article explains how to configure nginx for SSVM.

Apache CloudStack provides VM console via a System VM which is named Console Proxy VM (aka CPVM). This article explains how CPVM works, how to secure CPVM and configure nginx for CPVM.