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FREE SysAdmin books with the SCG Newsletter

Here at System Code Geeks we know how much you love books about system administration; we are geeks ourselves. After all, a geek that respects himself should always have his face in a book, he has to keep up with the latest technologies and developments. For this reason, we have decided to distribute 6 of our books for free. You ...

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Intelligent data as a service (iDaaS) – Common architectural elements

In the previous article from this series we introduced an architecture around intelligent data as a service (iDaaS) for the healthcare industry. The process was laid out how we approached the use case and how portfolio solutions are the base for researching a generic architecture.  Part 2 – Common architectural elements The only thing left to cover was the order in which ...

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Intelligent data as a service (iDaaS) – Architectural introduction

The last few months we have been digging deeply into the world of healthcare architectures with a focus on presenting access to ways of mapping successful implementations for specific use cases. It’s an interesting challenge in that we have the mission of creating architectural content based on common customer adoption patterns.  That’s very different from most of the traditional marketing ...

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Installing Fedora 35 on Macbook Pro 13 inch (late 2011)

This weekend I decided to update my old Macbook Pro 13 inch from late 2011, with 125GB SSD and 8GB RAM. It’s a machine I’ve taken on trips around the world and back in the day ran many a session, workshop, or demo on sharing all that AppDev goodness you know from JBoss technologies. Last time we checked, this was ...

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Add mTLS to Nginx

Previously we added ssl to an Nginx server. On this example we shall enhance our security by adding mTLS to Nginx. Apart from encrypting the traffic between client and server, SSL is also a way for the client to make sure that the server connecting to, is a trusted source. On the other hand mTLS is a way for the ...

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Add SSL to Nginx

Nginx is a versatile tool that has many usages, can be used as a reverse proxy, load balancer etc. A common usage is to handle the SSL traffic in front of applications. Thus instead of handling SSL from your application layer you can have nginx in front. In our example we shall generate the certificates and make Nginx do the ...

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Getting started with Red Hat Business Automation version 7.11

This last week the new release of the Red Hat Business Automation products went live, spanningRed Hat Process Automation Manage and Red Hat Decision Manager with a new version 7.11. These two products provide a lot over versatility to your developer toolbox and there are some getting started documentation and examples to be found in the above linked pages. Over ...

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Effective Bash scripting for software developers

I’ve been asked many times about my shell scripts and things I’ve automated, as I’ve recently shown in a video about things I’ve automated on my system. I’ve created another video on how to effectively write Bash scripts for regular developers, who aren’t experienced on the sysadmin side of things. First and foremost, I wouldn’t consider myself a shell scripting ...

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Add Another Entry to the UNIX Haters’ Handbook

I was using the command line to quickly build out a file hierarchy. I wrote something that looked basically like: 1 mkdir -p "~/dir/a b/c d" I meant for dir to be in my home directory. I should have put the ~/ outside the doublequotes. Hence, it actually ended up creating a directory called ~. I thought, “Well that was ...

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