McGarrah Technical Blog

Life Enhancing Home Office Items

· 2 min read
Two surprisingly impactful home office upgrades: rollerblade-style chair wheels that glide on carpet and hard floors, and replacement arm rests that make an old chair feel new.

Running Github Pages locally

· 2 min read
Getting Jekyll and GitHub Pages running locally in WSL2 Ubuntu, including the missing webrick fix for Ruby 3.0+ and using VS Code for markdown editing.

HP ProCurve 2800 initial setup

· 7 min read
Getting into an HP ProCurve 2810-24 via serial console, clearing the password with the Reset+Clear button combo, and doing initial configuration including IP, SNTP, and SSH setup.

Ceph Cluster rebalance issue

· 5 min read
Fixing a severely imbalanced Ceph cluster where OSDs added in batches left the first three drives at 75-85% while newer ones sat nearly empty — by tuning backfill and recovery parallelism.

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