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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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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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Installing Fedora 33 on Macbook Pro 13 inch (late 2011)

This weekend I stumbled on an old Macbook Pro 13 inch from late 2014, 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. Well, after verifying that it’s battery works, ...

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Creating a CentOS Startup Screen

When distributing bundled software, you have multiple options, but if we exclude fancy newcomers like Docker and Kubernetes, you’re left with the following options: an installer (for Windows), a package (rpm or deb) for the corresponding distro, tarball with a setup shell script that creates the necessary configurations, and a virtual machine (or virtual appliance). All of these options are ...

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