Author: Piotr Tarnawski

Welcome to my blog! My name is Piotr Tarnawski and I am an experienced System Engineer with a demonstrated history of working in the information technology industry. Skilled in Linux, Windows, Virtualization (VMware), DNS, and Active Directory. I work for Salesforce however content is my own and does not represent Salesforce as a company Contact: Twitter @AngrySysOps Facebook: https://www.facebook.com/AngrySysOps Youtube: https://www.youtube.com/c/AngryAdmin
Posted in Uncategorized Virtualization

How to Install Apache CloudStack – Step-by-Step Guide

Apache CloudStack is a powerful open-source cloud management platform used to deploy and manage large networks of virtual machines. In this guide, we’ll walk through…

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Posted in Virtualization

How to get Home Lab Licenses to run either vSphere Standard Edition or VCF

VMUG Advantage is a membership program designed for VMware enthusiasts and IT professionals seeking cost-effective access to training, discounts on certifications, and extended license durations…

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Posted in Security Advisory

VMware Aria Operations 8.18 HF5: Enhancing Performance, Closing Security Gaps

VMware has recently released VMware Aria Operations 8.18 Patch 5, a crucial update aimed at enhancing stability, security, and functionality within Aria Operations environments. This…

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Posted in Security Advisory

VMware Releases Critical Security Updates for ESXi, Workstation, and Fusion (VMSA-2025-0004)

VMware has released critical and important security patches for VMware ESXi, VMware Workstation, and VMware Fusion to remediate multiple vulnerabilities (CVE-2025-22224, CVE-2025-22225, CVE-2025-22226). These issues…

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Posted in Virtualization

How to Configure Networking in Photon OS from the Command Line

Changing the Hostname To retrieve the current system hostname: netmgr hostname –get To set a new hostname: netmgr hostname –set –name <hostname> Configuring DNS Servers…

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Posted in Uncategorized

Chinese LLM DeepSeek’s Database Exposed Online – What Went Wrong?

Cybersecurity researchers recently discovered a serious misconfiguration in the infrastructure of DeepSeek, a Chinese AI startup known for its powerful language models. The issue? An…

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Posted in AI

Is DeepSeek the Next Big AI to Take on ChatGPT?

Everyone’s talking about it: there’s a new AI that took the tech world by storm—breaking records and dominating the app stores in just seven days….

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Posted in Virtualization

VMware Aria SaaS and Plus Services Shutdown: What You Need to Know

On December 6th, 2024, VMware, now part of Broadcom, will officially cease its VMware Aria SaaS Suite, standalone Aria SaaS services, and Plus SaaS services…

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Posted in VMware Explore

VMware Explore 2024 Barcelona: A Deep Dive into Day-by-Day Highlights

Barcelona was abuzz this November as VMware Explore 2024 transformed the Fira Gran Via into a dynamic center of technology, innovation, and collaboration. Spanning four…

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Posted in vExpert Virtualization

Master Photon OS Networking: The Ultimate Guide to Using netmgr CLI Like a Pro!

Photon OS, developed by VMware, is a lightweight Linux distribution optimized for cloud-native applications. A key feature of Photon OS is its netmgr utility—a command-line…

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