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==================================
Basic working with docker registry
==================================
Install required packages
=========================
Ensure that the following packages are installed on your local machine::
docker.io >= v18.09
docker-compose >= v1.17
User and group
==============
Add your local user to the `docker` group, e.g. by::
sudo usermod -aG docker ${USER}
. After this step logout and login again, so that the change has been applied and the new group
is in effect.
Configuring docker daemon
=========================
Reconfigure by editing `/etc/docker/daemon.json` as *root*::
{
"debug": false
}
.
Then reboot the machine or simply restart the daemon as *root* with::
sudo systemctl restart docker.service
To check that the docker daemon was configured correctly, do a::
docker info
which should result in an output similar to::
Client:
Debug Mode: false
Server:
Containers: 0
Running: 0
Paused: 0
Stopped: 0
Images: 0
Server Version: 19.03.6
Storage Driver: overlay2
Backing Filesystem: extfs
Supports d_type: true
Native Overlay Diff: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Init Binary: docker-init
containerd version:
runc version:
init version:
Security Options:
apparmor
seccomp
Profile: default
Kernel Version: 4.15.0-88-generic
Operating System: Ubuntu 18.04.4 LTS
OSType: linux
Architecture: x86_64
CPUs: 4
Total Memory: 6.997GiB
Name: ubuntu
ID: H2N5:VOZ6:UO6V:B36O:MD6Q:7GXR:M4QY:7EBB:NC6R:HQCQ:7ARF:CZBH
Docker Root Dir: /var/lib/docker
Debug Mode: false
Registry: https://index.docker.io/v1/
Labels:
Experimental: false
Insecure Registries:
127.0.0.0/8
Live Restore Enabled: false
WARNING: No swap limit support
Setup resolv.conf if necessary
===============================
Docker uses `etc/resolv.conf` DNS information and passes that automatically to containers. If the file is not configured
properly or if entries are not valid, the server adds automatically public Google DNS nameservers
(8.8.8.8 and 8.8.4.4) to the container's DNS configuration.
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