Authorization for a Multi-Cloud System

This is a project design I am currently working on to consume SPIFFE(Secure Production Identity Framework For Everyone) bootstrapped trust and identification to provide authorization in a dynamically scaling, heterogeneous system, inspired by Mr. Prabath Siriwardena from WSO2 and under the supervision of Prof. Gihan Dias from University of Moratuwa. An enterprise system running across multiple clouds, as in the hybrid cloud, is an obvious example that will be benefitted from this. The objective is to open doors for the SPIFFE standard based systems to co-exist with rest of the systems with minimal effort, without compromising on security aspects while having an authorization solution based on SPIFFE.
What is SPIFFE? In brief, it is a trust bootstrapping and identification framework, submitted as a standard and accepted by CNCF(Cloud Native Computing Foundation)[1]. As of now, this standard has two main implementations as SPIRE and Istio[2], a platform that supports service mesh archit…

Useful Commands to Deal with SVN

The commands I came across with, while working with svn in Linux.
  • Find and remove all the .svn folders inside a folder - This is useful when we have checkout the code from a svn repo and want to remove it from version control.
find . -name .svn | xargs rm -rf
  • Add a new folder to version control - When we have a folder that is already under version control and want to add a new one inside it.
svn add
  • Commit the made changes
svn ci -m "a useful message about the commit"
  • Remove some specific folders like target and IDE specific data from version control, but keep the data in our local machine.
svn delete --keep-local <file name> 
  • Check out a particular revision of from SVN when we know the revision number 
svn co -r <revision no.> <path for the checking out folder or file>
  • Save the difference of code to a file
svn diff > <filepath> 


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