
MaruOps · Infrastructure and AI notes
Linux, Kubernetes
and local AI.
Linux, networking, Kubernetes and local LLMs.
Configuration choices and troubleshooting, explained step by step.
Series guides
Kubernetes Lab
Prepare three VMs, build a cluster, then work through deployment, networking and recovery.
Local LLM
Run a first model, then explore APIs, document retrieval, tools and operations.
Git and GitOps
Follow repositories and commits through CI, deployment and GitOps recovery.
Latest articles
Browse the topics to find the guide you need.
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[Jenkins 03] From a First Job to a Jenkinsfile: Git, Agents and Pipelines
Create a first Jenkins job, connect source control and an agent, then move repeatable build steps into a Jenkinsfile.
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[Jenkins 02] Install Jenkins on Rocky Linux 9: DNF, SELinux and Firewall
Install Jenkins on Rocky Linux 9 and inspect the Java, service, firewall and SELinux requirements for web access.
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[Jenkins 01] Install Jenkins LTS on Ubuntu: Java, Setup and Access
Prepare Java and the Jenkins repository on Ubuntu, install Jenkins LTS, and check the service and initial web setup.
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OSI and TCP/IP Layers: Follow Data from an Application to the Wire
Map the OSI and TCP/IP models, follow encapsulation, and distinguish the roles of IP addresses, MAC addresses and ports.
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SAN and NAS Explained: Protocols, Performance, Redundancy and Backups
Compare block and file storage, SAN and NAS protocols, capacity and performance measures, and recovery and redundancy requirements.
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Eight Enterprise Virtualization Platforms and How to Compare Them
Compare the architecture and operating requirements of eight virtualization options, including storage, availability and migration planning.
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Virtual Machines and Containers: Architecture, Security, Deployment and Recovery
Compare VM and container boundaries, images, persistent data and recovery, and see how VMs and Kubernetes can be used together.
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[Local LLM 01] What to Check Before Running a Local LLM
Identify the hardware, model files, runtime and data boundaries involved before choosing a local LLM setup.
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[Local LLM 02] Install Ollama on Windows 11 and Run a Model
Install Ollama on Windows 11, download a model and verify the first response before adding other applications.

About these notes
Configuration
and troubleshooting.
From first configuration to operational issues.
Find what to inspect, why it matters, and how to proceed.