Docker CE 开启远程访问

参考：https://www.cnblogs.com/a120608yby/p/9883175.html

# vim /usr/lib/systemd/system/docker.service
[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target docker.socket firewalld.service containerd.service time-set.target
Wants=network-online.target containerd.service
Requires=docker.socket

[Service]
Type=notify
# the default is not to use systemd for cgroups because the delegate issues still
# exists and systemd currently does not support the cgroup feature set required
# for containers run by docker
ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock -H tcp://0.0.0.0:2375    #修改第13行
ExecReload=/bin/kill -s HUP $MAINPID
TimeoutStartSec=0
RestartSec=2
Restart=always
...

systemctl daemon-reload
systemctl restart docker

# 查看版本
# curl http://localhost:2375/version
{"Platform":{"Name":"Docker Engine - Community"},"Components":[{"Name":"Engine","Version":"24.0.7","Details":{"ApiVersion":"1.43","Arch":"amd64","BuildTime":"2023-10-26T09:07:45.000000000+00:00","Experimental":"false","GitCommit":"311b9ff","GoVersion":"go1.20.10","KernelVersion":"5.14.0-362.13.1.el9_3.x86_64","MinAPIVersion":"1.12","Os":"linux"}},{"Name":"containerd","Version":"1.6.26","Details":{"GitCommit":"3dd1e886e55dd695541fdcd67420c2888645a495"}},{"Name":"runc","Version":"1.1.10","Details":{"GitCommit":"v1.1.10-0-g18a0cb0"}},{"Name":"docker-init","Version":"0.19.0","Details":{"GitCommit":"de40ad0"}}],"Version":"24.0.7","ApiVersion":"1.43","MinAPIVersion":"1.12","GitCommit":"311b9ff","GoVersion":"go1.20.10","Os":"linux","Arch":"amd64","KernelVersion":"5.14.0-362.13.1.el9_3.x86_64","BuildTime":"2023-10-26T09:07:45.000000000+00:00"}

# 从其他主机连接测试
# docker -H tcp://10.32.161.126:2375 images
REPOSITORY                      TAG             IMAGE ID       CREATED        SIZE
goharbor/harbor-exporter        v2.10.0         1d3fdd3d102d   2 weeks ago    106MB
goharbor/redis-photon           v2.10.0         5083850c5206   2 weeks ago    165MB
goharbor/trivy-adapter-photon   v2.10.0         5873942a56be   2 weeks ago    478MB
goharbor/harbor-registryctl     v2.10.0         7a3b7d7d972c   2 weeks ago    149MB
goharbor/registry-photon        v2.10.0         9baecb934ded   2 weeks ago    83.4MB
goharbor/nginx-photon           v2.10.0         d1010aed334c   2 weeks ago    154MB
goharbor/harbor-log             v2.10.0         518f000ddf00   2 weeks ago    164MB
goharbor/harbor-jobservice      v2.10.0         4960b98063d3   2 weeks ago    140MB
goharbor/harbor-core            v2.10.0         00c9a2f5729c   2 weeks ago    168MB
goharbor/harbor-portal          v2.10.0         f3d83a4e7733   2 weeks ago    163MB
goharbor/harbor-db              v2.10.0         8215768668f6   2 weeks ago    269MB
goharbor/prepare                v2.10.0         2ac2fd8f7595   2 weeks ago    208MB
nginx                           stable-alpine   0cd127114627   8 months ago   41.1MB