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Funky Penguin

Funky Penguin

Upgrading the world through the skilled application of technology

Workaround blocked attempt to grant extra privileges on GKE due to RBAC

While attempting to deploy an awesome set-it-and-forget-it volume snapshot solution for my GKE cryptocurrency mining pool empire, I stumbled across the following error when trying to create the necessary RBAC ClusterRoleBinding:

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1 min read December 7, 2018

How I removed a file from my git repo history

While making my most recent commit to my blog, I discovered (after the fact) that I’d accidentally committed a screenshot from a customer project, into my /images/ subdirectory.

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1 min read September 19, 2018

In appreciation of bare (naked) double-D(ashes)

Today I was trying to grep through a directory structure full of PHP code, looking for a function which, inexplicably, returned -6.

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1 min read September 17, 2018

Bookmarks of note / August 16, 2018

  • Automatically install build dependencies prior to building an RPM package → A handy tip re quickly installing all the dependencies for a .SPEC file
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~1 min read August 16, 2018

Bookmarks of note / July 23, 2018

  • How do I figure out my Google OpenID URL? → Useful if you have an old app (hello, crofflr) which still has your account tied to your Google account via OpenID
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1 min read July 23, 2018

OpenStack LBAASv2 failed connection debugging

I deployed Load-Balancer-As-A-Service (LBAAS) in my lab OpenStack deployment early on, and it worked (setup in Horizon) as advertised (load-balancing inbound HTTP connections to multiple docker swarm nodes), until I broke the stack by fiddling with MTU settings.

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1 min read July 10, 2018

GPU transcoding with Emby / Plex using docker-nvidia

How to use nvidia-docker to transcode with Emby / Plex using your GPU

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3 min read June 19, 2018

Should you do microcode updates?

A colleague and I were discussing my recent rant re a RedHat-issued kernel update breaking VMs on all my AMD systems. Notwithstanding the fact that my RedHat bug report about the issue is set to “private” and Bugzilla (1990 called wants its UI back, to hang out with Miranda IM) won’t let me change it, he asked me “we’ve applied the latest microcode, right?”

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1 min read June 15, 2018

Wife-friendly script to transfer media to USB from linux server

My home media is on a Plex installation running on a headless server in my (detached) home office, and my wife recently arranged to copy some content onto a USB drive for a friend.

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~1 min read May 29, 2018

KVM VMs on kernel-2.6.32-696.30.1.el6.x86_64 on AMD-based hypervisor fail to boot

At DayJob(tm), we run several older AMD-based KVM VM hosting platforms, running AMD FX 8150 CPUs on Gigabyte 990FXA-D3 motherboards.

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~1 min read May 28, 2018
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