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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Install NGT on a Nutanix Linux VM and Verify Connectivity
Install Nutanix Guest Tools from an ISO on Linux. Use CentOS 7 and Rocky Linux records to check packages, Python, services, CVM communication, and GPG warnings.
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OpenJDK CVEs: Windows and Linux Checks and Remediation
Review the October 2026 OpenJDK CVEs and eMudhra certificate trust issue. Find Java installations and service JVMs on Windows and Linux, check affected builds and truststores, and verify remediation.
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Nutanix Move: Fix ESXi Host Unreachable Errors with DNS
Troubleshoot Nutanix Move host unreachable errors using KB-7519. Check container DNS and ESXi ports, apply extra_hosts when needed, and verify service restarts and rollback.
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Bitcoin this week: the October FOMC schedule and signals
The October 26 Bitcoin watch point is this week’s FOMC meeting. Check the statement and press conference times in ET, UTC and Korea time, and distinguish the rate decision from signals about…
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50 Autumn Foliage Destinations in South Korea: A Brief Regional Guide
Explore 50 autumn foliage destinations across South Korea, from city ginkgo avenues to temples and mountain valleys. Compare their settings, walking demands, and official visitor information.
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Crypto briefing, October 25, 2026: seven stories on Korea’s crypto tax, Bitcoin and wallet security
Seven crypto stories for October 25, 2026: Korea leans toward another crypto tax delay, Bitcoin dips below $80,000, Initia halts its chain and Electrum fixes a wallet flaw.
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PostgreSQL 18 on Rocky Linux 9: Native and Docker Installation, Roles, and App Access
Install PostgreSQL 18 on Rocky Linux 9 with PGDG packages or Docker Compose. Learn OS versus database identities, postgres access, password rotation, application roles, Python connections, and backup restoration.
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IT briefing, October 25, 2026: seven stories on security, AI and Windows
Seven IT developments to read on October 25, including the LiteLLM compromise, Brotli fixes and Kimi K3.1 Pro. Each story explains its announcement date, practical impact and availability.
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Bitcoin falls below $81,500 as the technology-stock selloff spreads
Place Bitcoin’s decline alongside technology weakness using aligned timestamps, leveraged-return arithmetic and distinctions between rolling returns and crypto-wide liquidations.
About these notes
Configuration
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