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Landing from Clouds: Why On-Premise Will Eventually Win

“The computer industry is the only industry that is more fashion-driven than women’s fashion.” Larry Ellison In our era, the cloud is the haute couture of infrastructure. Everyone wants it. Eve...
05.05.2025 0 Read More

Fixing NO_PUBKEY GPG Errors on Ubuntu – The Cleanest Way

While updating my Ubuntu server, I encountered this annoying error:⛶bash NO_PUBKEY [KEY_ID] The following signatures couldn't be verified... After trying a few things, I found a clean and reliable ...
24.03.2025 0 Read More

QEMU: Lightweight Virtualization for the Command Line Enthusiast

These days, virtualization has never been easier. Whether you're using enterprise-grade solutions like Proxmox or VMware ESXi, or desktop-friendly platforms like VirtualBox or Hyper-V, spinning up vir...
31.03.2025 0 Read More

How to Use QEMU to Run Linux VMs in Minutes

How to Use QEMU to Run Linux VMs in Minutes If you read my last post, you’ll remember we explored QEMU from a high-level perspective. Today, let’s roll up our sleeves and dive into how yo...
01.04.2025 0 Read More

BackupSync: A Comprehensive Linux Backup Solution for Developers and SysAdmins

Introduction As developers and system administrators, we all know the pain of data loss. Whether it's a server crash, a botched deployment, or an accidental deletion, the consequences can be...
01.04.2025 0 Read More

Running Linux in QEMU: How to Build a VM from an ISO

Running Linux in QEMU for Testing on IBM PowerPC (or x86) I recently had the chance to work on an IBM Power 6 system running Linux—a first for me. While I’ve spent years working with x86 ...
05.04.2025 0 Read More

Understanding Networking Commands - Why They Matter

It’s not about being perfect. It’s about understanding what you’re doing. It’s been a minute since I took a break from writing, but now I’m back, ready to dive into something I’ve been le...
10.04.2025 0 Read More

Podman on debian How to fix podman no services after restart

I noticed that with static build of podman, services didn’t start after I restarted my server, even though they had Restart=Always policy.This is an issue that can popup when installing podman from ...
12.04.2025 0 Read More

Citrix MCS Full Clone Disk Moves in XenServer: What the Docs Won’t Tell You

If you're running Citrix Virtual Apps and Desktops 7 2411 or later, there's a powerful new feature that lets you migrate persistent and non-persistent VMs across storage repositories in XenServer.The ...
16.04.2025 0 Read More

Automate Linux User Account Inventory with Ansible

I needed a quick way to get user account info from multiple Linux servers — without logging into each one.So I put together a small shell script + Ansible playbook that:Collects usernames, shells, U...
19.04.2025 0 Read More
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