Docker Swarm: How to Fix “error creating vxlan interface: file exists”
Fix Docker Swarm overlay networks failing with 'error creating vxlan interface: file exists'.
Topic
Networking
SSH, tunnels, sockets, ports, TLS and the plumbing that connects machines.
13 articles
Articles tagged Networking
Fixing Docker Swarm Startup Failures on Debian 13 Due to Network Timing
Diagnose and fix Docker Swarm failing to start on Debian 13 when the network is not ready at boot.
How to Fix "The swarm does not have a leader" in Docker Swarm
Recover a Docker Swarm cluster that has lost quorum and reports that the swarm has no leader.
Traefik Healthcheck
Add a healthcheck to a Traefik service in Docker Compose.
Use RT3290 Bluetooth Adapter on Ubuntu 22.04
Get an RT3290 Bluetooth adapter working on Ubuntu 22.04 with the Xanmod kernel.
Generate random and available port
Find a free TCP port in Node.js by probing candidates with a temporary server.
Close a TCP port
Find and kill the process listening on a TCP port with fuser.
Create a fake TCP server
Open a throwaway TCP server with netcat and connect a client to it.
Generate SSL certificat for localhost
Generate a self-signed TLS certificate and key for local development with openssl.
Run SFTP commands using Docker
Run SFTP transfers from an Alpine container with sshpass, without installing an SSH client on the host.
SSH Tunnel
Create a local port forward with ssh -L to reach a service on a remote network.
Copy SSH Key to a Server
Install an SSH public key on a remote server by hand when ssh-copy-id is unavailable.
Installer un serveur de messagerie instantanée Jabber
Installer et configurer un serveur de messagerie instantanée Jabber (Ejabberd) sur un réseau local sous Debian.