Author Archives: Grischa Ekart

About Grischa Ekart

I am a DevOps consultant writing about Docker, Kubernetes, AWS, IT, strategy, management, mobility, business cases, apps, consumer electronics and MBA education. Talk to me on Twitter: @gekart.

Korg monologue Rechargable Battery Mod Prototype

My Behringer TD-3 mod worked nicely, so it was time to proceed to the monologue. It already is battery powered, but using 6 batteries and recharging done outside of the device. In my opinion a built-in single battery is more … Continue reading

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Behringer TD-3 Rechargable Battery Mod Prototype

I love Behringer’s approach to tech and synths. The TD-3 is super affordable and performs like a charm. The community has quickly started modding the TB303 clone and I also decided to give it a simple mod: if there is … Continue reading

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Korg Monologue and Minilogue XD Color-Coding Using Chroma Caps

Today I decided for a color scheme for the Korg Monologue and Minilogue XD. Tell me what you think @gekart. Update Final version on the monologue: Issues: The filter knob I purchased in the standard and fat version. The fat … Continue reading

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Värde Utrusta Wall Cupboard Hinge 30min Fix Ikea Pro Hack

Ikea offered a nice modular kitchen in their program from end of 1990s and 2000s. Unfortunately, they didn’t support it well. I assume it was too expensive to produce. Ikea also resorted to cheap technical solutions. For example, the 70cm … Continue reading

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Enter Docker VM on MacOS Catalina (SSH, xhyve)

As you might know, Docker containers need a Linux kernel in order to run (for Linux containers that is). So how does this work on a Mac, then, it doesn’t have a Linux kernel? Docker Desktop for MacOS will install … Continue reading

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Xcode 11 Unable to Boot Simulator Diehard

Xcode on my Macs had a persistent problem after updating to Xcode 10: the simulators wouldn’t work anymore. Lucky me, I was busy with AWS and Kubernetes projects… Updating to Xcode 11 didn’t fix anything. Searching the web didn’t help … Continue reading

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EBS Default Encryption Enables Launching Encrypted Instances From Unencrypted AMI Snapshots

Previously (before end of May 2019), you had to encrypt the snapshot backing an AMI if you wanted to launch an instance with encrypted root volumes. This had some consequences for sharing AMIs: not only had AMIs to be shared … Continue reading

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AWS IAM Version and SID traps

In a IAM policy JSON, if you omit the version string, you are heading for trouble: If you do not include a Version element, the value defaults to 2008-10-17, but newer features, such as policy variables, will not work with … Continue reading

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Mac: Make Your External Drive Read-Only

I have a ton of music software content (samples, sounds etc) that makes it impossible to take with me on my MacBook Pro directly. Therefore, I bought an external USB-C Samsung T5 mini SSD that is super-fast and has a … Continue reading

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Silencing your iMac: Decrease Minimum Fan Speed to 1000rpm

I finally replaced my hard drive in my 2015 iMac 5k with a Samsung 860 SSD. Not an easy decision since you need to cut the Mac open. However, apart from the HD being way to slow, it is also … Continue reading

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