Similar error: /etc/resolvconf/update.d/libc: Warning: /etc/resolv.conf is not a symbolic link to /run/resolvconf/resolv.conf It may indicate that the symbolic link “/etc/resolv.conf” is missing, in order to fix this, you can create it manually: Alternatively, run a “resolvconf” reconfiguration using the following command:
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 1.1.1.1 Client – IP 2.2.2.2 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: 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"
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: