Amazon! Why? Security by Obscurity – AWS4 authentication method.
We look into how to sign a request against the "new" Amazon data centers. All centers deployed after 2014 need to use the new ...
Was debugging some code the other day and had some annoyance. I had to set a breakpoint in my code and then try to figure out where a problem happened by going into methods, and jump multiple steps before actually reaching the code I wanted to test. In this case the code to debug was…
We will talk about how to set up Let’s Encrypt, what is required, what commands to run and what to do with the result. Lastly, we add renew command to keep the cert up to date.
We look into the way SQRL stores keys on disk or paper in QR form. How to read the data and decrypt the different blocks.
We look into installing OpenStack using Kayobe. OpenStack is a compute cluster solution with a lot of different services that could handle many task such as storage, network, compute and orchestration.
I was looking into an performance issue the other day and came by some small interesting changes you could do to your Websphere Application Server to increase performance and remove locks. The first was located in the file Stores.war/WEB-INF/ibm-web-ext.xml a file that I’ve never looked at. Seems that the WAS developers enabled support for handling the…
In this video we setup rust jni to call a rust function from java using jni. Java native interface is a great way to enable quick calls to native code built in other languages like Rust. This approach can be used for other languages as well.