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Tag: UNIX/Linux

Open up firewalld port on Linux

May 29, 2020 Koen Leave a comment

It seems to be a task that I often perform when setting up new Linux VMs or servers; opening up…

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Posted in: Scripting, UNIX/Linux Filed under: Scripting, UNIX/Linux

Run simple HTTP server on localhost

March 25, 2020 Koen Leave a comment

Sometimes you need to quickly run a simple HTTP server on your localhost to test or try something. If you…

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Posted in: HTML, Python, UNIX/Linux Filed under: HTML, Python, UNIX/Linux

Installing VICE (Commodore Emulator) on MacOS

October 25, 2019 Koen Leave a comment

Before doing anything else, make sure that you have Xcode installed. Install the xa (xa65) open-source 6502 cross compiler. Download…

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Posted in: Scripting, UNIX/Linux, Virtualization Filed under: Scripting, UNIX/Linux, Virtualization

Create bootable USB from ISO image on MacOS

October 16, 2019 Koen Leave a comment

The following steps is an example of how you can use your Mac to put a Linux ISO image on…

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Posted in: Scripting, UNIX/Linux Filed under: Scripting, UNIX/Linux

Running Google Datalab Locally

March 11, 2019 Koen Leave a comment

Google’s Datalab is a convenient tool to experiment with data and to build out machine learning models. As long as…

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Posted in: Cloud, Machine Learning, Python, UNIX/Linux Filed under: Cloud, Machine Learning, Python, UNIX/Linux

OpenShift PVC Mount failure: already contains mpath_member

September 14, 2018 Koen Leave a comment

A while ago, the VMs that hosted my OpenShift platform were rebooted. For most of it, all nodes and containers…

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Posted in: Scripting, UNIX/Linux, Virtualization Filed under: Container, Errors, OpenShift, Scripting, UNIX/Linux

OpenShift system:admin requires credentials

April 26, 2018 Koen Leave a comment

As outlined in this issue, you may run into a problem where you want to log into the OpenShift cluster…

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Posted in: Scripting, UNIX/Linux, Virtualization Filed under: Errors, OpenShift, Scripting, UNIX/Linux, Virtualization

Run an OpenShift pod on a specific node by hostname

Koen Leave a comment

In your pod or buildconfig yaml you can specify which nodes the pod should run on, generally by specifying one…

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Posted in: UNIX/Linux, Virtualization Filed under: OpenShift, UNIX/Linux, Virtualization

Docker image pull timeout in OpenShift during build or deploy

April 25, 2018 Koen Leave a comment

The default time that OpenShift waits to pull an image during a build or deploy may not be long enough,…

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Posted in: UNIX/Linux, Virtualization Filed under: Errors, OpenShift, UNIX/Linux, Virtualization

Encrypting DNS

April 10, 2018 Koen Leave a comment

A way to make it a lot harder for your ISP to track and collect content from your browsing activities…

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Posted in: HTML, UNIX/Linux, Windows Filed under: HTML, Security, UNIX/Linux, Windows

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