OpenVPN – Site-to-Site

Goal: Link 2 remote nodes in between so that communication between them is "transparent". Channel stability, speed and, of course, safety are also important. Imagine that there are 2 nodes: Server - IP 1.1.1.1 Client - IP 2.2.2.2 Install OpenVPN on them CentOS: Ubuntu:

Docker Swarm over TLS

In this example, there are 3 servers with Docker installed on it. If docker is not installed, you can see the installation here. There will be one manager and two workers: Master - manager (IP: 1.1.1.1) Slave_1 - worker (IP: 1.1.2.1) Slave_2 - worker (IP: 1.1.2.2) Required ports for Docker Swarm to work: 2376 and … Continue reading "Docker Swarm over TLS"

 Docker – API over TCP

All steps are relevant for distributions with systemd (tested on CentOS 7 and Ubuntu 18.04) We look at the Docker launch command: Ubuntu 18.04 has a different path, "/lib/systemd/system/docker.service"   We get something similar: Now create the "override.conf" file, just enter: We insert the following there: