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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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Deploying Che 7 with custom images (air gap environment)

Number 5: deploying Che 7 behind a firewall (air gap environment) using chectl –che-operator-cr-yaml=… Deploying Che 7 with custom images Unlike  Deploying Che 7 to Minishift 1.34+, this doc will explain how to do an Eclipse Che 7 deployment with a custom resource yaml file to override the images used in the deployment. This process can be used for many things, ...

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Changing Mac’s Default Location for Screenshots

For pedantic people like myself, who like to keep their Desktop tidy, I came across this tip to save screenshots to a different location automatically. Create a folder (mine is called Screenshots)Open a Terminal windowType the following: defaults write com.apple.screencapture locationDrag and drop the folder into terminal. You’ll end up something like the following: defaults write com.apple.screencapture location /Users/pkua/Desktop/ScreenshotsHit enter! ...

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wget on Windows

Overview This is to document my steps to download all image (JPG) files along with PDF and regular HTML files instead of using the web browser, using only 1 command (wget). Installation Use Choco (https://chocolatey.org/). Follow installation instructions @ https://chocolatey.org/install Then open a command prompt with administrative rights to install wget:choco install wget Usage My target website (say abc.com) is protected ...

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Protecting your AWS from EKS with kube2iam

I really like Kubernetes; I’ve been following almost since its inception 5 years ago and used it successfully in the past 3+ years in several projects. It isn’t without challenges (esp. around managing state) but it definitely getting better with each release. Moving to a new company, it is no wonder I introduced Kubernetes into our architecture from the get-go. ...

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Installing Minishift on Windows 10 Home

Minishift is a tool to run OpenShift Origin locally as a single node cluster inside a Virtual Machine. It is a good choice for development or doing PoCs locally before deploying things in a real OpenShift cluster. In this post I am going to explain how to install and run it on a Windows 10 Home machine, where no Hyper-V ...

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Annotate – simple yet productive screenshots tool for macOS

After switching from Windows to macOS I was looking for a simple screenshots taking tool to support my daily workflow. The built-in tools offered by macOS are not sufficient for me, mainly because of the image annotating tools and limited keyboard shortcuts support. For couple of days I used Skitch, but then I found Annotate, a light-weight and simple app ...

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OpenVINO Ubuntu Xenial, Virtualbox and Vagrant Install, Intel NCS2 (Neural Compute Stick 2)

#OpenVINO Ubuntu Xenial, Virtualbox and Vagrant Install, Intel NCS2 (Neural Compute Stick 2) Prerequsites Download Latest VirtualBox from [https://www.virtualbox.org/wiki/Downloads] https://www.virtualbox.org/wiki/Downloads Make sure to download extension pack Oracle VM VirtualBox Extension Pack Download and Install Vagrant from[https://www.vagrantup.com/downloads.html]https://www.vagrantup.com/downloads.html First step is to setup VM. 1 vagrant up Vagrant is configured to apply all usb filters required to access Neural Compute Stick 1 ...

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Command-line SQL Client for IBM i 7.x (AS/400)

In the category of “niche blogposts”, this is probably the “nichest”. But it might be useful, so I’ll share it. Recently I had to interface an IBM i system (think “mainframe”, though not exactly) from a command-line-only Linux environment. The interesting part is that you can access the IBM i files through SQL syntax, as they are tabular in nature. ...

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