centos 7 install docker


yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
yum install docker-ce docker-ce-cli containerd.io
systemctl start docker

● docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled)
Active: active (running) since Tue 2020-02-18 12:33:55 EET; 12s ago
Docs: https://docs.docker.com
Main PID: 1708 (dockerd)
Tasks: 8
Memory: 44.2M
CGroup: /system.slice/docker.service
└─1708 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock

Feb 18 12:33:53 centos7.test.local dockerd[1708]: time="2020-02-18T12:33:53.665525062+02:00" level=info msg="scheme \"unix\" not registered, fallback to default scheme" module=grpc
Feb 18 12:33:53 centos7.test.local dockerd[1708]: time="2020-02-18T12:33:53.665553382+02:00" level=info msg="ccResolverWrapper: sending update to cc: {[{unix:///run/containerd/containerd.sock 0 }] }" module=grpc
Feb 18 12:33:53 centos7.test.local dockerd[1708]: time="2020-02-18T12:33:53.665569778+02:00" level=info msg="ClientConn switching balancer to \"pick_first\"" module=grpc
Feb 18 12:33:54 centos7.test.local dockerd[1708]: time="2020-02-18T12:33:54.249825464+02:00" level=info msg="Loading containers: start."
Feb 18 12:33:54 centos7.test.local dockerd[1708]: time="2020-02-18T12:33:54.891677093+02:00" level=info msg="Default bridge (docker0) is assigned with an IP address 172.17.0.0/16. Daemon option --bip can be used to set...rred IP address"
Feb 18 12:33:55 centos7.test.local dockerd[1708]: time="2020-02-18T12:33:55.220309512+02:00" level=info msg="Loading containers: done."
Feb 18 12:33:55 centos7.test.local dockerd[1708]: time="2020-02-18T12:33:55.249438236+02:00" level=info msg="Docker daemon" commit=369ce74a3c graphdriver(s)=overlay2 version=19.03.6
Feb 18 12:33:55 centos7.test.local dockerd[1708]: time="2020-02-18T12:33:55.249967901+02:00" level=info msg="Daemon has completed initialization"
Feb 18 12:33:55 centos7.test.local dockerd[1708]: time="2020-02-18T12:33:55.311906207+02:00" level=info msg="API listen on /var/run/docker.sock"
Feb 18 12:33:55 centos7.test.local systemd[1]: Started Docker Application Container Engine.
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