PSA: apt / gpg issue – The following signatures couldn’t be verified because the public key is not available

Not a key?! Context Bob from Root Access ran into this annoyance while installing pixiecore by Dave Anderson, a tool for making PXE (network) booting a cinch. Problem He grabbed the pubkey via curl -L https://packagecloud.io/danderson/pixiecore/gpgkey, saved the output to a file at /usr/share/keyrings/pixiecore-archive-keyring.gpg, and told apt about both the repo and the pubkey: deb […]

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“Unsupported sample-rate”: Logitech Media Server Won’t Play Some Files with SB Player

Muh musics! tl;dr: If you’ve got a music file that you (say) downloaded from YouTube via youtube-dl (for example) and it won’t play in Logitech Media Server, check the sample rate- you may need to convert it to 44.1kHz. This only happens with some players! (eg SB Player) Background I use Logitech Media Server (aka […]

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Transcribing A Video’s Audio Using Google Cloud Text-to-Speech

Navigating a series of pitfalls Background: I created a highlights video recently for the monthly subscriber crown that I run. I figured the highlights video itself was worth posting, but I like to have the speech captioned. I’ve previously written a small script to generate the appropriate transparent PNGs for overlaying, but that was for […]

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ffmpeg: error while loading shared libraries: libavdevice.so.59: cannot open shared object file: No such file or directory

tl;dr: read the compile guide, and set a PREFIX and / or LD_LIBRARY_PATH I did something I don’t normally do and compiled ffmpeg today, since the ffmpeg-user mailing list requires/strongly prefers/only supports current git head. I was doing this as I had some broken AVI files and wondered if they were salvageable: Since it’s been […]

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Proxmox snapshots: “The current guest configuration does not support taking new snapshots”

Let me snapshot tl;dr: This can happen if you use a storage mechanism that doesn’t support snapshots (see here for more information). However, it seems it can *also* happen if you use external mountpoints. I ran into the issue when trying out a script that backs up proxmox to a borg repository. I checked that […]

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Using Discourse Dev with Traefik (without ‘Bad Gateway’ + ‘blocked host’)

tl;dr: Traefik grabs the first port it sees, which on the dev image is 1080- we want port 9292. Use –label=traefik.http.routers.discourse-dev.port=9292 You need to set a dev host using en env var in the container: -e DISCOURSE_DEV_HOSTS=your_dev_hostname \ With the dev version of Discourse working, I wanted to let its connectivity be managed by the […]

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