Life science informatics, Research IT & HPC infrastructure geek, #AWS cloud nerd & accidental entrepreneur @ http://bioteam.net. He/him. Find me in Boston or Western Maine (Bethel area), where I'm transitioning from nerd to Tractor Guy / meadow planterhttps://bsky.app/profile/dagdigian.comhttps://bsky.app/profile/dagdigian.com/post/3mo3ryeq3ws2mBeen telling #AWS #HPC people for a while that old parallelcluster stacks are gonna start breaking soon and have spent weeks upgrading client systems only to discover that AWS pushed the break-date into 2027 thanfully. Blog writeup at https://bioteam.net/blog/tech/cloud/your-old-aws-parallelcluster-stacks-will-not-break-in-2026/12 Jun 2026 12:55 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3mo3ryeq3ws2mhttps://bsky.app/profile/dagdigian.com/post/3mh26wyx4e22yI get outside, sometimes. Bethel Woodbank going strong. #maine14 Mar 2026 19:45 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3mh26wyx4e22yhttps://bsky.app/profile/dagdigian.com/post/3mguzmgftbk2wIf you do #HPC on #AWS via #ParallelCluster then check your versions. A ton of old HPC clusters are gonna fall over in June 2026 when AWS deprecates an old python runtime in Lamda. I've done 3 client upgrades this month and expect more to come ...12 Mar 2026 18:26 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3mguzmgftbk2whttps://bsky.app/profile/dagdigian.com/post/3mfx4wqcq5c2n#meshcore repeater and #meshtastic router_late role solar fixed nodes up and running in west bethel #maine — trying to grow the LORa mesh in western Maine. Also picked up a pair of Thinknode M5 portable units to use as my Bluetooth tethered clients28 Feb 2026 21:06 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3mfx4wqcq5c2nhttps://bsky.app/profile/dagdigian.com/post/3mddzyr4ap22hBlog post covering some recent experimentation with AWS ParallelCluster monitoring/alerting via Cloudwatch Subscription Filters wired up to a Slack channel via webhook https://bioteam.net/blog/tech/cloud/aws-parallelcluster-monitoring/26 Jan 2026 20:02 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3mddzyr4ap22hhttps://bsky.app/profile/dagdigian.com/post/3mczoq4xi3c2fClaude code is surprisingly good at sanity checking AWS ParallelCluster HPC config files. When paired with the MCP that queries instances.vantage.sh it can validate ec2 server config and even provide summarized cost updates on what each compute node config change will cost.22 Jan 2026 17:14 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3mczoq4xi3c2fhttps://bsky.app/profile/dagdigian.com/post/3mcptuquzbs2fTimelapse from the volunteer wood bank splitting session. 24 cords cut and split. Goal is to get to 80 cords this year. Lots more trees on the way so clearing the current pile of rounds was a huge milestone.18 Jan 2026 19:19 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3mcptuquzbs2fhttps://bsky.app/profile/dagdigian.com/post/3mcfk2wf4ek2mCory with another banger. Coding a rude agentic AI responder to the marketers overusing mail campaign automation. His AI Platypus named Billie can reply rudely in his place https://www.lastweekinaws.com/blog/i-hope-this-email-finds-you-before-i-do/?ck_subscriber_id=512841121&utm_source=convertkit&utm_medium=email&utm_campaign=I%20Hope%20This%20Email%20Finds%20You%20Before%20I%20Do%20-%202036764414 Jan 2026 16:57 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3mcfk2wf4ek2mhttps://bsky.app/profile/dagdigian.com/post/3mar3amuzsk27TImelapse Art: Idiot on Tractor, 202524 Dec 2025 20:14 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3mar3amuzsk27https://bsky.app/profile/dagdigian.com/post/3ma245dr2xs2wDamn! Nvidia and SchedMD! https://blogs.nvidia.com/blog/nvidia-acquires-schedmd/15 Dec 2025 16:58 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3ma245dr2xs2whttps://bsky.app/profile/dagdigian.com/post/3m7v4z5tefs2pBeen volunteering at a new local firewood bank in Bethel, ME that is just gettting off the ground. Drove our tractor there 6mi over main roads which was a first. This is a Timelapse of the “rounds crew” who saw full length trees into rounds. The wood splitter teams than process the rounds.13 Dec 2025 17:31 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3m7v4z5tefs2phttps://bsky.app/profile/dagdigian.com/post/3m5obyimyfs25Someome awesome is feeding our little free library box with these handouts15 Nov 2025 13:21 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3m5obyimyfs25https://bsky.app/profile/dagdigian.com/post/3m35ud3bluk2bUsed the US long holiday weekend to run #AWS #ParallelCluster build-pipeline and cluster deploy through a logging squid HTTP proxy to document internet destinations used -- this helps set firewall rules for orgs that block egress by default in research VPCs https://bioteam.net/blog/tech/hpc/parallelcluster-external-destinations-firewall-rules/14 Oct 2025 13:43 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3m35ud3bluk2bhttps://bsky.app/profile/dagdigian.com/post/3lxn4q3vuoc2lWestern Maine chores30 Aug 2025 17:43 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3lxn4q3vuoc2lhttps://bsky.app/profile/dagdigian.com/post/3lvszvndi3k2pany #AWS #HPC folks familiar with the managed PCS service who can confirm that when using AWS PCS you can't configure Slurm to be aware of software licenses? Adding license at CLI does not persist & API guide seems to confirm that "SlurmCustomSetting" does not support the "License" param ...07 Aug 2025 15:18 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3lvszvndi3k2phttps://bsky.app/profile/dagdigian.com/post/3lvoqtxwsak25Mural progress. West Bethel, Maine05 Aug 2025 22:25 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3lvoqtxwsak25https://bsky.app/profile/dagdigian.com/post/3lsouvbfehs2nsome cryoEM validation runs via cryosparc.com software integrated with #AWS parallelcluster HPC and using an FSX/Lustre parallel filesystem built from S3 input cryodata bucket via Lustre/S3 data repository associations. Can't do that on-prem!28 Jun 2025 19:22 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3lsouvbfehs2nhttps://bsky.app/profile/dagdigian.com/post/3lslvr7w6pk2wtodays remote office27 Jun 2025 14:59 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3lslvr7w6pk2whttps://bsky.app/profile/dagdigian.com/post/3lsef6kjows2fdemo pics; former weed grow. all the drywall and insulation was wet, moldy and full of animal droppings. rented scissor lift goes poof this week so we gotta finish up24 Jun 2025 15:14 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3lsef6kjows2fhttps://bsky.app/profile/dagdigian.com/post/3lrqamloxqk23indoor & outdoor chores this weekend16 Jun 2025 14:59 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3lrqamloxqk23https://bsky.app/profile/dagdigian.com/post/3lpfenlptws2kDirtwork when weather allowed, indoor demo when rain got too heavy17 May 2025 20:22 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3lpfenlptws2khttps://bsky.app/profile/dagdigian.com/post/3lodzmxui4c2sThe maverick hybrid truck was just to be for high MPG errand running and dump runs …. But I needed a rock bucket for the tractor and saw a sweet hydraulic dump trailer on dealer lot…. guess I tow stuff now. Swore I’d never own anything that could tow, hah!04 May 2025 14:07 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3lodzmxui4c2shttps://bsky.app/profile/dagdigian.com/post/3lnw2zpbc622dTractor and mini excavator stuff today29 Apr 2025 00:54 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3lnw2zpbc622dhttps://bsky.app/profile/dagdigian.com/post/3ln667okpbs2cStill the coolest critter thing we’ve found at the Maine spot this year19 Apr 2025 12:47 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3ln667okpbs2chttps://bsky.app/profile/dagdigian.com/post/3ln3nf34icc27@techaro.lol users of spack just became collateral damage in the anti AI-scraping wars. All I'm trying to do is use spack.io to compile https://relion.readthedocs.io/en/release-5.0/ for CryoEM analysis on an HPC cluster. I know this is not your fault of course but wanted to point out an edge case18 Apr 2025 12:41 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3ln3nf34icc27https://bsky.app/profile/dagdigian.com/post/3ln3knqpcr22lFound one other #meshtastic node while out on a coffee run today. Three are mine hah18 Apr 2025 11:52 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3ln3knqpcr22lhttps://bsky.app/profile/dagdigian.com/post/3lmvavza2c22sNYT gift link, no paywall https://www.nytimes.com/2025/04/15/arts/television/lazarus-shinichiro-watanabe-anime.html?unlocked_article_code=1._04.rv-4.z37ahPBYt53m&smid=bs-share15 Apr 2025 23:42 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3lmvavza2c22shttps://bsky.app/profile/dagdigian.com/post/3lmn77epyg22eIndoor chores on this rainy and snowy day12 Apr 2025 18:50 +0000at://did:plc:idddck7oa3fdd55twtcdcndf/app.bsky.feed.post/3lmn77epyg22e