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Handling Vulnerabilities in Production — What We Actually Do

You always have known vulnerabilities. The question is how you triage, patch, and respond. The discipline we run after a few real incidents and a lot of routine work.

DevOps Security Vulnerabilities Cve

A

AdminDevOps Engineer

|May 16, 2026

Handling Vulnerabilities in Production — What We Actually Do

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Terraform185 Monitoring171 AWS143 Kubernetes96 CI/CD83 LLM83 Python81 Linux73 GPT70 Ansible65

Latest Articles

Linux Container Internals: Understanding How Containers Work

••4 months ago

Linux Container Internals: Understanding How Containers Work

A container is a process with extra kernel features applied. Walking through namespaces, cgroups, and the actual mechanics — the level of detail that makes "container weirdness" debuggable.

Kiril Urbonas·9 min read

Systemd Tricks We Use to Keep Services Boring

••4 months ago

Systemd Tricks We Use to Keep Services Boring

Concrete systemd unit patterns that reduced flakiness: restart policies, resource limits, and structured logs.

Kiril urbonas·1 min read

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A Pragmatic Multi-Region Strategy for Small Teams

••4 months ago

A Pragmatic Multi-Region Strategy for Small Teams

How a small team moved from single-region risk to a simple active/passive multi-region setup without doubling complexity.

Kiril urbonas·2 min read

Shell Scripting Best Practices: Writing Maintainable Scripts

••4 months ago

Shell Scripting Best Practices: Writing Maintainable Scripts

We have a few hundred shell scripts in production. The patterns that make them survive contact with reality, and the ones we've stopped writing.

Kiril Urbonas·8 min read

Prompt Engineering for DevOps: Consistency and Safety

••4 months ago

Prompt Engineering for DevOps: Consistency and Safety

Use prompts to get reliable, safe outputs from LLMs for runbooks, code, and ops tasks.

Kiril urbonas·1 min read

What We Learned Running Weekly Game Days on Our CI/CD Pipeline

••4 months ago

What We Learned Running Weekly Game Days on Our CI/CD Pipeline

Practical game day scenarios for CI/CD: broken rollbacks, permission issues, and slow feedback loops—and how we fixed them.

Kiril urbonas·2 min read

Real-World RAG Incidents: Lessons from a Production Rollout

••4 months ago

Real-World RAG Incidents: Lessons from a Production Rollout

A field report from rolling out retrieval-augmented generation in production, including cache bugs, bad embeddings, and how we fixed them.

Kiril urbonas·2 min read

File System Optimization: Improving Disk Performance

••4 months ago

File System Optimization: Improving Disk Performance

Filesystem choice, mount options, IO schedulers — the per-host tweaks that actually moved disk performance for our database and storage workloads.

Kiril Urbonas·8 min read

How We Stopped Terraform Drift from Surprising On-Call

••4 months ago

How We Stopped Terraform Drift from Surprising On-Call

A real story of removing console-only changes, adding drift detection, and getting Terraform back in charge.

Kiril urbonas·1 min read

Systemd Tricks We Use to Keep Services Boring

••4 months ago

Systemd Tricks We Use to Keep Services Boring

Concrete systemd unit patterns that reduced flakiness: restart policies, resource limits, and structured logs.

Kiril urbonas·1 min read

A Pragmatic Multi-Region Strategy for Small Teams

••4 months ago

A Pragmatic Multi-Region Strategy for Small Teams

How a small team moved from single-region risk to a simple active/passive multi-region setup without doubling complexity.

Kiril urbonas·2 min read

Process Management and Monitoring in Linux

••4 months ago

Process Management and Monitoring in Linux

How processes actually live and die on Linux, the tools that show what's happening, and the patterns we use for monitoring service health.

Kiril Urbonas·8 min read

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