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ssh
2 posts6–Jul 12, 2026
Slack Replaces SSH with REST APIs in EMR Data Pipelines
Slack removed SSH dependency from EMR clusters, migrating 700+ data jobs to a REST-based architecture using YARN Distributed Shell and Quarry.
slackyarnemrrest-api100 Days of DevOps: Killing SSH Passwords and Resizing EC2
Day 7 of a 100-day DevOps series covers setting up passwordless SSH properly and the public IP pitfall that trips people up when resizing an EC2 instance.
awsdevopssshec2