--- title: "Kunal Yadavaa (@kunalyadavaa) | Hashnode" description: "\"Cloud native. Terminal dweller. Automation addict.\". Read the latest articles by Kunal Yadavaa on Hashnode." url: "https://hashnode.com/@kunalyadavaa" --- @kunalyadavaa # Kunal Yadavaa @kunalyadavaa · Udaipur , India · Joined January 2025 "Cloud native. Terminal dweller. Automation addict." ### [Building an Isolated Second Subnet Using Proxmox, OpenWrt LXC, and Old Hardware](https://hash.kunalyadavaa.site/building-an-isolated-second-subnet-using-proxmox-openwrt-lxc-and-old-hardware?utm_source=hashnode&utm_medium=feed) Most homelab enthusiasts think you need a managed switch or expensive gear to run multiple subnets. In reality, with Proxmox, an OpenWrt LXC container, and 4 min read · [hash.kunalyadavaa.site](https://hash.kunalyadavaa.site/building-an-isolated-second-subnet-using-proxmox-openwrt-lxc-and-old-hardware?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/building-an-isolated-second-subnet-using-proxmox-openwrt-lxc-and-old-hardware/68cea07381a6c457ae0723c9) [Sep 20, 2025](https://hashnode.com/posts/building-an-isolated-second-subnet-using-proxmox-openwrt-lxc-and-old-hardware/68cea07381a6c457ae0723c9) ### [Setting Up OpenWrt with DMZ Host and Linux Bridge](https://hash.kunalyadavaa.site/setting-up-openwrt-with-dmz-host-and-linux-bridge?utm_source=hashnode&utm_medium=feed) Step 1: Configure the Main Router Log in to your main router’s admin panel. Enable DMZ Host or Bridge Mode for the device Assign the target IP for the DMZ host, for example: 192.168.29.8 This ensures that all incoming connections are forwar... 2 min read · [hash.kunalyadavaa.site](https://hash.kunalyadavaa.site/setting-up-openwrt-with-dmz-host-and-linux-bridge?utm_source=hashnode&utm_medium=feed) [Sep 7, 2025](https://hashnode.com/posts/setting-up-openwrt-with-dmz-host-and-linux-bridge/68bda1978f61433b067a1519) ### [Ubuntu Minimal 22.04 (Jammy) Cloud-Init Template on Proxmox VE: Download, Import, Templatize, and Clone](https://hash.kunalyadavaa.site/ubuntu-minimal-2204-jammy-cloud-init-template-on-proxmox-ve-download-import-templatize-and-clone?utm_source=hashnode&utm_medium=feed) Overview The Ubuntu Minimal 22.04 (Jammy) cloud image released on 2025-08-29 is a compact, cloud-init–ready image suitable for rapid VM provisioning in Proxmox VE by importing the disk, attaching it as SCSI, and adding a cloud-init drive before templ... 5 min read · [hash.kunalyadavaa.site](https://hash.kunalyadavaa.site/ubuntu-minimal-2204-jammy-cloud-init-template-on-proxmox-ve-download-import-templatize-and-clone?utm_source=hashnode&utm_medium=feed) [Sep 6, 2025](https://hashnode.com/posts/ubuntu-minimal-2204-jammy-cloud-init-template-on-proxmox-ve-download-import-templatize-and-clone/68bb8b913f5333a2110eb2e8) ### [QEMU: The Game Changer for Multi-Architecture Container Builds - How It Solved My Registry Nightmare](https://hash.kunalyadavaa.site/qemu-the-game-changer-for-multi-architecture-container-builds-how-it-solved-my-registry-nightmare?utm_source=hashnode&utm_medium=feed) In today's diverse computing landscape, where ARM-based processors power everything from Apple Silicon Macs to AWS Graviton instances, building containers that work across different architectures isn't just convenient—it's essential. After struggling... 5 min read · [hash.kunalyadavaa.site](https://hash.kunalyadavaa.site/qemu-the-game-changer-for-multi-architecture-container-builds-how-it-solved-my-registry-nightmare?utm_source=hashnode&utm_medium=feed) [Sep 3, 2025](https://hashnode.com/posts/qemu-the-game-changer-for-multi-architecture-container-builds-how-it-solved-my-registry-nightmare/68b7cb62fc1c8ec6c3eff491) ### [Expose Proxmox to the Internet Using Cloudflare Tunnel (Zero Trust)](https://hash.kunalyadavaa.site/expose-proxmox-to-the-internet-using-cloudflare-tunnel-zero-trust?utm_source=hashnode&utm_medium=feed) Accessing your Proxmox VE web interface securely over the internet can be challenging, especially if you want to avoid exposing open ports directly or dealing with complex firewall configurations. With Cloudflare Tunnel (Zero Trust), you can safely e... 3 min read · [hash.kunalyadavaa.site](https://hash.kunalyadavaa.site/expose-proxmox-to-the-internet-using-cloudflare-tunnel-zero-trust?utm_source=hashnode&utm_medium=feed) [Aug 6, 2025](https://hashnode.com/posts/expose-proxmox-to-the-internet-using-cloudflare-tunnel-zero-trust/689313cb15622d6b9a939987)