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This article is part of the 5-part series: “ESXi Packet Loss Troubleshooting with iPerf3 and pktcap-uw” Part 1: Baseline Testing and Setup Part 2: Capturing UDP Traffic Under Different CPU Loads Part 3: Analyzing Packet Loss with Wireshark Part 4: UDP Loss from Link Flapping and Network Instability Part 5: Inter-VLAN UDP Loss Caused by Bandwidth Limits ← You are here This scenario explores a more complex network configuration by
This article is part of the 5-part series: “ESXi Packet Loss Troubleshooting with iPerf3 and pktcap-uw” Part 1: Baseline Testing and Setup Part 2: Capturing UDP Traffic Under Different CPU Loads Part 3: Analyzing Packet Loss with Wireshark Part 4: UDP Loss from Link Flapping and Network Instability ← You are here Part 5: Inter-VLAN UDP Loss Caused by Bandwidth Limits While previous scenarios focused on CPU stress and normal
This article is part of the 5-part series: “ESXi Packet Loss Troubleshooting with iPerf3 and pktcap-uw” Part 1: Baseline Testing and Setup Part 2: Capturing UDP Traffic Under Different CPU Loads ← You are here Part 3: Analyzing Packet Loss with Wireshark Part 4: UDP Loss from Link Flapping and Network Instability Part 5: Inter-VLAN UDP Loss Caused by Bandwidth Limits Welcome back! In the previous post, we laid the
Let’s be honest — keeping a fleet of Ubuntu servers updated isn’t the most glamorous job, especially when they’re tucked away behind firewalls with no internet access. But what if we could turn this dusty chore into a clean, elegant, and even satisfying little automation adventure? That’s exactly what we did. This was actually my first real project using Ansible, and it turned out to be a fantastic way to
Managing server hardware remotely is essential in modern IT environments. HPE’s Integrated Lights-Out (iLO) provides remote management capabilities for HPE ProLiant servers. One of the tools to configure and manage iLO is HPONCFG. This utility allows administrators to configure iLO settings without having to reboot the server or restart services, making it a powerful tool for system management. In this post, we will cover how to use HPONCFG on both
Have you ever upgraded the ESXi software on HPE Servers and after reboot iLO did not come up anymore? Well, this is what happened to me after installation of ESXi software patches on a couple of HPE servers. Even the ESXi patches were installed successfully and the ESXi hypervisor started correctly, the iLO interface couldn’t be reached anymore. All the installation was done remotely, so there was no physical access
This will be the first post out of series of posts about creating a smart home system with Raspberry Pi, different kind of sensors and the powerful visual tool for wiring sensor data – Node-RED. Node-RED is a flow-based development tool for visual programming for wiring together hardware devices, APIs and online services in new and interesting ways. It provides a browser-based editor which can be used to wire together
In today’s post, I would like to show you the process of transforming a single NIC old laptop into an OPNsense firewall/router. I wanted for some time to install pfSense in my home network, but I didn’t want to buy an expensive already made firewall device. After spending a few days looking for a solution, I found at some point that Dell PowerEdge R210 II is quite used as hardware
Why I need to do this?! Because I’ve made a backup of a RPi’s SD Card to a Linux VM and now I would like to restore the created image file back to the SD Card. For the moment I’m doing this only to see how should be made, my RPi still works very good, but is always good to be prepared in case something goes wrong. Before starting the
I think Raspbbery Pi is a great device and I love how easy and fun is to create IoT projects using it. I am using Raspberry Pi at my vacation house and also at my parents summer house. It is monitoring remotely the temperature, the voltage of batteries connected to the wind-turbine and solar-panels and controlling the alarm system and some relays that are starting and stopping different appliances. These