Tag: Troubleshooting
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Install, Update, and Remove Software With apt and dnf (Linux for Beginners, Part 8)
A hands-on guide to Linux package management with apt and dnf: the six everyday commands, where packages come from, and how to fix the errors that stop an install.
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Linux Processes Explained: ps, top, and kill (Linux for Beginners, Part 7)
A process is a running program with a number. Learn to find it with ps and top, and stop it with the right signal, using real commands and output.
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Linux File Permissions and chmod, From rwx to Octal (Linux for Beginners, Part 6)
Read a Linux permission line, turn rwx into octal, and use chmod and umask with confidence, including the directory execute bit and the recursive chmod that breaks sites.
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Copy, Move, and Delete Files From the Linux Command Line (Linux for Beginners, Part 4)
The five commands that do almost all file work in Linux: cp, mv, rm, mkdir and ln. Learn the quiet defaults that catch everyone, plus hard versus symbolic links.
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How the Shell Turns Your Words Into Commands (Linux for Beginners, Part 3)
What bash actually does between you pressing Enter and a program running: expansions, quoting, PATH lookup, and pipes, shown with real commands you can follow on any Linux box.
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The Linux Filesystem Hierarchy, Directory by Directory (Linux for Beginners, Part 2)
Linux has one directory tree, not drive letters. A practical tour of the top-level directories, absolute versus relative paths, the /usr merge, and how to spot inode exhaustion.
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An Operations Maturity Model for VCF Operations (VCF 9 Operations Series, Part 18)
The four levels of operations maturity for VCF Operations, how to measure where you are, and why you climb in order rather than buying your way to the top.
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Operations Anti-Patterns in VCF Operations (VCF 9 Operations Series, Part 17)
The self-inflicted wounds that turn VCF Operations into noise: forward-everything, policy sprawl, defaults as truth, and the cheap fixes for each.
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Build a Day-2 Operations Runbook for VCF Operations (VCF 9 Operations Series, Part 16)
A daily, weekly, monthly and quarterly runbook for VCF Operations, tied to real thresholds like the 90 percent disk health check and verified SFTP backups.
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Multi-Cluster and Multi-Site Operations at Scale in VCF Operations (VCF 9 Operations Series, Part 15)
Running VCF Operations across many clusters and sites: cloud proxies, collector groups for high availability, sharding the load, and sizing the analytics tier.
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Automate Remediation From Alerts in VCF Operations (VCF 9 Operations Series, Part 14)
How to close the loop from alert to action in VCF Operations with orchestrator actions and workflows, what to automate, and the guardrails that keep it safe.
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When Do You Need a Super Metric in VCF Operations? (VCF 9 Operations Series, Part 13)
When a super metric earns its place in VCF Operations, how looping functions and dynamic custom groups build self-maintaining rollups, and what they cost.
Architect’s Toolkit
PJ’s Tools
VMware Cloud Foundation
- VCF Documentation
- VCF 9 Planning & Preparation Workbook
- VCF Bill of Materials (BoM)
- VMware Compatibility Guide
- VMware Interoperability Matrix
- VMware Configuration Maximums
- VMware Ports & Protocols
- VMware Hands-on Labs
- RVTools Download
Nutanix
AI & Cloud-Native Platform
- NVIDIA Build (Model Catalog)
- NVIDIA AI Enterprise Reference Architecture
- NVIDIA NIM Performance Benchmarking
- NVIDIA NGC Catalog
- NeMo Microservices Helm Chart
- Helm Charts Repository
- Hugging Face Models
Architecture & Design
About the Author
Dr Pranay Jha
Dr. Pranay Jha is a Cloud and AI Consultant with 18+ years of experience in hybrid cloud, virtualization, and enterprise infrastructure transformation. He specializes in VMware technologies, multi-cloud strategy, and Generative AI solutions. He holds a PhD in Computer Applications with research focused on Cloud and AI, has published multiple research papers, and has been a VMware vExpert since 2016 and a VMUG Community Leader.
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