Techie

[2023-10-14 03:14:22] ERROR: Could not bind to port 8080. Address already in use. [2023-10-14 03:14:22] DEBUG: Attempting to kill existing container ‘api_v2_final_FINAL’… [2023-10-14 03:14:23] Error response from daemon: No such container: api_v2_final_FINAL [2023-10-14 03:14:23] CRITICAL: Bash script ‘deploy_magic.sh’ exited with code 127. [2023-10-14 03:14:23] CRITICAL: Database connection string ‘localhost:5432’ failed. [2023-10-14 03:14:23] FATAL: Production is … Read more

Threat Model Assessment: The Infrastructure as a Suicide Note The industry’s current obsession with “GitOps” and the “kubernetes github” integration is not a step forward in engineering; it is a collective surrender to convenience at the expense of fundamental security principles. By tethering a production Kubernetes v1.30.1 cluster to a third-party, cloud-hosted version control system … Read more

Machine Learning: Stop Building Science Projects and Start Shipping Code Three years ago, I got paged at 3:14 AM because our “state-of-the-art” churn prediction model decided that every single customer at a major fintech client was about to quit. The marketing automation engine, doing exactly what it was programmed to do, fired off $50,000 worth … Read more

INCIDENT REPORT #9902-B: THE DEATH OF OUR REGISTRY Date: October 14, 2023 Duration: 48 Hours (and my sanity) Status: Post-Mortem / Educational Intervention Lead SRE: [REDACTED] 1. Summary of the Carnage At 03:14 UTC, the monitoring stack for our production cluster started screaming. Node prod-worker-04, running Docker Engine v25.0.3, reported a total disk exhaustion event … Read more

03:14 AM – The silence was the first sign. The Zabbix alerts didn’t trigger because the monitoring VM was the first to have its vmdk headers shredded. I only noticed because the hum of the drive arrays in Rack 4 changed pitch—a frantic, high-frequency seeking sound that tells you the heads are working overtime to … Read more

03:14 AM – The silence was the first sign. The Zabbix alerts didn’t trigger because the monitoring VM was the first to have its vmdk headers shredded. I only noticed because the hum of the drive arrays in Rack 4 changed pitch—a frantic, high-frequency seeking sound that tells you the heads are working overtime to … Read more

POST-INCIDENT AUDIT: REPORT #88-B (CRITICAL SYSTEM COMPROMISE) DATE: 2024-10-14 AUDITOR: Senior Infrastructure Architect (Security/Hardening) SUBJECT: The systematic failure of docker compose deployments in the “Alpha-Omega” staging environment. 1. The Incident Log The following is a raw dump from the host prod-srv-01 during the initial breach detection. The developer responsible claimed the setup was “standard.” I … Read more

…and another thing, Tyler, if I see one more “Cloud-Native Architect” certification on your LinkedIn while you still can’t tell me the difference between a hard link and a symbolic link, I’m going to lose what’s left of my graying hair. You think you’re “orchestrating” something? You’re just piling blankets on a fire and wondering … Read more

INCIDENT REPORT: #882-B-FATAL STATUS: UNRESOLVED (MITIGATED BY HARD REBOOT) AUTHOR: Senior SRE (Employee #402, On-call Rotation 4) SUBJECT: The Total Collapse of the “Smart” Inference Pipeline Traceback (most recent call last): File "/usr/local/lib/python3.11/site-packages/torch/nn/modules/module.py", line 1501, in _call_impl return forward_call(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/inference/model_wrapper.py", line 84, in forward output = self.backbone(input_ids, attention_mask=mask) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/local/lib/python3.11/site-packages/torch/nn/modules/module.py", line … Read more

Stop Searching for “Cybersecurity Near Me” and Start Fixing Your Local Loopback I once took down an entire staging cluster because I thought I was being “secure.” I had just finished a marathon session of hardening our SSH configs and decided to implement a strict IP allowlist on our internal load balancer. I was tired. … Read more