DevOps VN

22/08/2026

Docker Series - Chapter 5: Docker Networking

Bridge networks, container DNS, port publishing, and how containers talk to each other and the outside world.

22/08/2026

Versus Incident can now connect to SigNoz for log monitoring. Simply point the agent to the logs already in SigNoz, and it can escalate automatically—no need for alert rules.

21/08/2026

The framework for evaluating an AI agent

Free book "Evaluating AI Agents" release chapter 3. This chapter presents the evaluation harness end to end. In a given scenario, the situation is replayed to the agent, while the answer key is provided only to the grader. The grade becomes a benchmark score and establishes a confidence-interval gate.

20/08/2026

The new version of Versus Incident can now function as an engineer who monitors our system. It integrates with logs, metrics, and traces to analyze these signals and automatically escalates issues when unexpected problems occur, eliminating the need to define any alert rules.

We will continue to develop this with new features, such as harassment incident evaluation, service insight analysis, automated dashboards, and additional tool integrations, to enhance the capabilities of the SRE Agent.

20/08/2026

Docker Series - Chapter 4 Managing Containers

Logs, exec, resource limits, restart policies, and everything you need to run containers in real environments.

19/08/2026

ArgoCD Series - Chapter 11: ArgoCD SSO with Keycloak

We’ve usually logged into ArgoCD with the built-in admin account. That’s fine for a demo, but on a real team you want everyone to sign in with their company identity and get permissions based on their group — no shared passwords.

In this final post, we’ll wire ArgoCD up to Keycloak using OpenID Connect (OIDC) for single sign-on.

19/08/2026

How to choose your AI model

How do you know which AI model is best for incident analysis in your system? The answer is: how are you evaluating this model?

The book below explains how to evaluate AI models and choose the best one for your system.

19/08/2026

Evaluating AI Agents - Grade Your Agent Against a Known Answer

The previous chapter ended with a confident answer and no way to judge it. Here
we close that gap in the smallest way possible: write down the truth,
compare the agent’s conclusion to it, and get a real pass or fail for the
first time.

18/08/2026

Docker Series - Chapter 3: Writing Dockerfiles

The full Dockerfile instruction set, multi-stage builds, and patterns for small, secure, production-ready images.

17/08/2026

Mastering Terraform - Chapter 13: Ansible with Terraform

Use Terraform provisioners (local-exec and remote-exec) to configure servers after provisioning, together with Ansible.