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Weekly news | 2024-03-06

news

tooling

  • LLRT : lightweight JavaScript runtime intended to Serverless environments.
  • testcontainers: open source framework for providing throwaway containers for just about anything.
  • Icons for GitHub Action branding.
  • Microsoft's symphony: CI/CD for IaC on multiple orchestrators.

blog

  • Hacking Terraform state for privilege escalation.
  • A post on Platform Engineering and Gartner’s model of platform engineering.
  • A series of troubleshooting writeups from SREs:
    • Part 1: Golang and HTTP/2 issue; no Sentry for old Symfony; RabbitMQ and a third-party proxy; the power of a GIN index in PgSQL; caching S3 with NGINX; analyzing Google User Content during DDoS.
    • Part 2: Kafka and Docker variables in Kubernetes; 100 bytes that led ClickHouse to a disaster; one overheated K8s; ode to PostgreSQL’s pg_repack.
    • Part 3: Linux server migration; getting to know the ClickHouse Kubernetes operator; accelerating the data recovery in a broken PgSQL replica; a CockroachDB upgrade that went wrong.
    • Part 4: Package troubles in CentOS 6; sudden DNS modification and Ingress; Elasticsearch shards charade; restoring a PostgreSQL table; story of one missing pod.
    • Part 5: ceph, systemd and containerd.
  • Good alert design: problem with workflows acknowledging alerts and the impact on alert fatigue.
  • Building a Slack bot help with handoff for ongoing incidents.
  • Testing in microservices environments.
  • Checklists for security focused code review, for both server and frontend applications.