When managing virtual machines in VMware vSphere, it’s common to run out of disk space over time. Fortunately, expanding a virtual disk is straightforward, but it involves both changes in vSphere and inside the guest operating system. In this guide, I’ll walk you through the steps to increase the disk size of an Ubuntu Linux […]
How to Increase Disk Size of an Ubuntu Linux VM in vSphere Read Post »
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
ESXi Packet Loss Troubleshooting with iPerf3 & pktcap-uw – Part 5 Read Post »
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
ESXi Packet Loss Troubleshooting with iPerf3 & pktcap-uw – Part 4 Read Post »
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
ESXi Packet Loss Troubleshooting with iPerf3 & pktcap-uw – Part 2 Read Post »
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
Secure and Centralized Ubuntu Patching with Ansible Read Post »
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
Using HPONCFG to Manage iLO Settings on HPE Servers in Windows and Linux Read Post »
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
Reset or Configure HPE iLO directly from ESXi Host Read Post »
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
Create a Smart Home System with a Raspberry Pi, a few sensors and Node-RED – Part 1 Read Post »
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,
Convert an old laptop single NIC into an OPNsense Firewall/Router Read Post »
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,
Add a SD Card in VMWorkstation Read Post »