Author: chrisdag

CryoSPARC v5 crashing daily?

Cryosparc V5 Nessus

This Post is 100% Google Search Bait This is one of those short-form posts I throw up, hoping that someone in the future using Google does not waste the time that I did debugging this issue. If you are dealing with an issue where the CryoSPARC v5 application from the fine folks at https://cryosparc.com is […]

PCS or ParallelCluster for Schrödinger Suite?

PCS Terraform

Everything you never wanted to know about PCS and PCluster for Schrödinger Workloads but have been forced to find out Why? It’s rare for me to simultaneously work on ParallelCluster and PCS for the same workload, and I learned some things, enough to justify writing some words about it. Hope someone finds it useful! Drivers […]

AWS Parallelcluster Monitoring

Stop finding out about HPC cluster problems from frustrated users. This post walks through some basic experiments with a Terraform-based approach to proactive AWS ParallelCluster monitoring, using CloudWatch Subscription Filters and Lambda functions to push real-time alerts—including Protected Mode warnings, capacity errors, and bootstrap failures—directly to Slack.

Integrating Elastic Cloud Kibana with Okta SAML SSO in 2021

Lines connected to represent networkingon top of clouds in the sky

Why this post? This post is 100% search engine bait designed to help others avoid the pitfalls I encountered while integrating our hosted ElasticSearch cluster with our Okta SSO environment. The specific issues encountered were that the Elastic Cloud post discussing Okta integration provides slightly incorrect guidance on the setting of a particular elasticsearch.yml parameter. […]

AWS ParallelCluster Private Deployment in Hardened VPCs

Bioteam Insights@2x

Image: Firing up a public cluster configured to deploy through a logging Squid proxy was the only way to discover all of the various Internet-based URls and endpoints that AWS Parallelcluster needs in order to successfully complete a full deployment.  AWS ParallelCluster Private Deployment in Hardened VPCs   Executive Summary If you are struggling like […]

2016 HPC Trends from the Trenches

Chris has been delivering his “trends from the trenches” presentation at the BioIT World Conference & Expo since 2010 and the talk has evolved into a fairly popular annual tradition. The intent of the talk is to deliver a candid (and occasionally blunt) assessment of the best, the worthwhile, and the most overhyped information technologies (IT) for […]

Using PIV smart cards with Mac OS X 10.10 Yosemite

Using PIV smart cards for HHS VPN login with Mac OS X 10.10 Yosemite Note: This entire post is basically google search bait designed to (hopefully) allow others struggling with the same issues to save a bit of time. Hope it helps! October 30, 2014 Update There is an active Citrix support thread on the […]