Dev Net Tun Qnap, VPN client in a thin Docker container for multiple VPN providers, written in Go, and using OpenVPN or Wireguard, DNS over TLS, with a few proxy servers built-in. I have wireguard running in userspace via docker container. I have tested several solution from internet but all fails. To do this inside a Docker container requires a few elevated permissions and access to the /dev/net/tun device. which is weird I finally solved the issue considering https://memoryleak. Universal TUN/TAP device driver Frequently Asked Question. Wireguard also uses the tun device. You must log in or register to reply here. Once you install QVPN you do not need to open it or configure it: App Center -> Search "QVPN" -> Install. conf and restart libvirtd service could solve the problem perfect. ko模块 ‍ If your /dev/net/tun does not look like that, run the following to recreate that special file: I am running podman on arch linux and I manage podman with cockpit. Install QVPN service $ docker run --rm -it --net = qnet-static-eth0 --ip =192. Please add the following setting to your container: --cap-add NET_ADMIN 原因 docker中创建tun设备，创建tun需要/dev/tun，但docker里面/dev目录下没有设备 方案 挂载本机的设备到docker里面，并且添加相关的cap即可，为了简单这里cap_add添加了所有的权限 version: "2. /dev/net/tun is presented by QVPN. If it's not existing, there is nothing to pass-in. com/a/35735842/6655884 where it opens /dev/net/tun as if Try something like mkdir some_dir; ln -s /dev/tun some_dir; mount -B some_dir /dev/net inside the Centos guest (untested, and assuming you don't need the other files from /dev/net, mount -B creates a bind mount). Suppose that I want to send and receive data through a tun device. If you opt not to install QVPN you will need to find a way to re-create the /dev/net/tun on each reboot. temporary fix (lost after reboot): > rmmod tun > rmdir /dev/net/tun Learn how to set up the Gluetun Docker container. Setting OpenVPN credentials Jun 24, 2018 · Setting up a QNAP NAS as a VPN client is easy, but setting its containers up for VPNs is harder. OpenVPN can not start critical error: Cannot open TUN/TAP dev /dev/net/tun: No such file or directory (errno=2) NET_ADMIN has been provided. A network device will appear as tunXX or tapXX, depending on the options chosen. Never found a solution. Sorry for my english. ko 如果一切顺利，继续进行下一个测试。 测试tun. I found the answer https://stackoverflow. mkdir /dev/net mknod /dev/net/tun c 10 200 chmod 600 /dev/net/tun cat /dev/net/tun 如果 cat 命令的返回结果是 File descriptor in bad state，则表示模块已正确安装。 使tun. 7 What is the difference between BPF and TUN/TAP driver? 1. insmod /lib/modules/tun. Fortunately this is easy: One of the features is enabled openvpn. 1 What is the TUN ? 1. Jul 16, 2025 · QVPN provides your NAS with a permanent /dev/net/tun device used by ZeroTier. The application supports both Docker and LXD containers, providing a lightweight, isolated environment for running applications and services with optimal resource efficiency. The problem is that on the first boot there is no /dev/net/tun file despite the fact I have created in while creating rootfs with: mkdir -p /dev/net chroot rootfs/ mknod /dev/net/tun c 10 200 chmod 600 /dev/net/tun If I create it the same way being logged in beaglbone system file persists and openvpn works. 168. How to run Wireguard on your Qnap NAS as a docker container using Container Station. We we getting through this issue by creating a VPN profile and connecting and disconnecting once after a NAS reboot. 2 What is the TAP ? 1. 6 What is the difference between TUN driver and TAP driver? 1. Here is my compose file in Container Station: version: '3' services: zerotier: image: zerotier/zero based on this, which is accurate - and now closed - Hans writes - hi this is simpler and better and works (only x64 cant test others) use docker first install QVPN for the tun driver docker run -d --name zerotier-on… QVPN provides your NAS with a permanent /dev/net/tun device used by ZeroTier. Hi! I need to enable the tun device to run a tinc VPN but I can't create the tun device. The second step is open the QNAP web-ui, open the Container Station application and enter the console of your container. Have the same issue "Can not open TUN/TAP dev /dev/net/tun: No such file or directory" I saw the reference the "Privilege" check in advanced setting in Container Station. So I just installed transmission-openvpn in container station and I think I configured it to correctly work with PIA, but it keeps failing with this message on startup: "ERROR: Cannot open TUN/TAP dev /dev/net/tun: No such file or directory (errno=2) " Any advice? Problem: when starting the VM get error messsage: "Could not configure /dev/net/tun (tap0) Operation Not Permitted" Question: What is the correct way to allow a qemu virtual machine to access tun without running virt-manager as root. zruq, 6dg0nz, lsfon, mocyq, uyjto, dh4kxi, c5ms, b5j0t, 5uj7i, 5otkdp,