When I try to run a "docker login" on Ubuntu, the following error appears: Error saving credentials: error storing credentials - err: exit status 1, out: `Cannot autolaunch D-Bus without X11 $DISPLAY` Solution:
Faced with the fact that in Ubuntu there is no usual CentOS file with me "rc.local", the solution is the following. Create a service: with the following content: Create the file"rc.local" and add it to the execution bit:
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 220.127.116.11 Client – IP 18.104.22.168 Install OpenVPN on them CentOS: Ubuntu:
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: 22.214.171.124) Slave_1 – worker (IP: 126.96.36.199) Slave_2 – worker (IP: 188.8.131.52) Required ports for Docker Swarm to work: 2376 and … Continue reading "Docker Swarm over TLS"
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:
CentOS 7: Install the necessary utilities: Add the Docker repository to install the current version: Install Docker: