System Code Geeks Operating System Developers Resource Center

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Are you looking to develop a few projects on your local machine and push them on to a real OpenShift Container Platform without having to worry about cloud hosting of your container platform? Would you like to do that on one of the newer versions of OpenShift Container Platform such as version 4.7? Look no further as CodeReady Containers puts ...

Now I know that this should be really straight forward as it’s just a normal disk in a desktop machine, but it really seems to be a tricky problem due to the lack of clear error messages you get when it fails to start the installation. The basis is getting a valid copy of Windows 10 in an ISO download, ...

Are you looking to develop a few projects on your local machine and push them on to a real OpenShift Container Platform without having to worry about cloud hosting of your container platform? Would you like to do that on one of the newer versions of OpenShift Container Platform such as version 4.6? Look no further as CodeReady Containers puts ...

This is a continuation of Creating Windows 10 Boot Media for a Lenovo Thinkpad T410 Using Only a Mac and a Linux Machine. I figured out that Windows 10 isn’t supported on the Lenovo Thinkpad T410, so I decided to focus on getting Windows 7 running on it, which is what it came with. I know it’s a security risk, ...