<ul data-eligibleForWebStory="true">Nixopus uses QEMU to streamline VPS/server workflow, overcoming bottlenecks in deployment.Challenges included testing installation script changes across Linux distributions and various parameters.Traditional solutions like unit tests and manual testing on a VPS proved insufficient.Using tools like HashiCorp Vagrant for virtualization posed resource and complexity issues.Containers couldn't effectively simulate systemd and networking scenarios, leading to full system emulation with QEMU.QEMU's GitHub Action provided a reliable and clean solution for testing installations.The process highlighted the importance of solving real-world problems with intent and evaluating complexity vs. scalability.The journey emphasized the iterative nature of engineering problem-solving.Joining Nixopus's community may offer insights into innovative engineering solutions.