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Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.

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Linux Performance Troubleshooting: A Real Incident Walkthrough
••last week

Linux Performance Troubleshooting: A Real Incident Walkthrough

Step-by-step debugging of a production Linux server hitting 100% CPU. From top to perf to the actual fix.

KU
Kiril urbonas
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Systemd Drop-In Overrides for Vendor Services: The Supportable Linux Ops Pattern
••2 weeks ago

Systemd Drop-In Overrides for Vendor Services: The Supportable Linux Ops Pattern

A practical systemd drop-in guide built from a real operations problem: vendor unit files kept changing, but the team still needed consistent restart, environment, and logging behavior.

KU
Kiril urbonas
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Systemd Service Reliability Patterns: What We Changed After Repeated Restart Loops
••3 weeks ago

Systemd Service Reliability Patterns: What We Changed After Repeated Restart Loops

A practical systemd reliability guide for Linux services, built around repeated restart-loop incidents and the unit-file patterns that finally made those services boring.

KU
Kiril urbonas
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Linux Patch Management for Production Fleets: A Real-World Maintenance Workflow
••3 weeks ago

Linux Patch Management for Production Fleets: A Real-World Maintenance Workflow

A production-tested Linux patch management workflow for teams that need security fixes without turning every maintenance window into a gamble.

KU
Kiril urbonas
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Systemd Tricks We Use to Keep Services Boring
••last month

Systemd Tricks We Use to Keep Services Boring

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

KU
Kiril urbonas
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Systemd Tricks We Use to Keep Services Boring
••last month

Systemd Tricks We Use to Keep Services Boring

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

KU
Kiril urbonas
Read article
Systemd Tricks We Use to Keep Services Boring
••last month

Systemd Tricks We Use to Keep Services Boring

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

KU
Kiril urbonas
Read article
Systemd Tricks We Use to Keep Services Boring
••2 months ago

Systemd Tricks We Use to Keep Services Boring

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

KU
Kiril urbonas
Read article
Systemd Tricks We Use to Keep Services Boring
••2 months ago

Systemd Tricks We Use to Keep Services Boring

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

KU
Kiril urbonas
Read article
Systemd Tricks We Use to Keep Services Boring
••2 months ago

Systemd Tricks We Use to Keep Services Boring

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

KU
Kiril urbonas
Read article
Linux Container Internals: Understanding How Containers Work
••3 months ago

Linux Container Internals: Understanding How Containers Work

Learn how Linux containers work under the hood. Namespaces, cgroups, and container runtime internals.

KU
Kiril Urbonas
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Systemd Tricks We Use to Keep Services Boring
••3 months ago

Systemd Tricks We Use to Keep Services Boring

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

KU
Kiril urbonas
Read article
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