- 删除none镜像:
docker rmi -f $(docker images -f "dangling=true" -q) - 删除已停止运行的容器:
docker rm $(docker ps -a | grep 'Exited' | awk '{ print $1 }') - 以命令行登陆容器:
docker exec -it 容器ID /bin/bash - 删除所有容器:
docker rm $(docker ps -aq) - 停止所有容器:
docker stop $(docker ps -a -q) - 清空构建缓存:
docker builder prune -a - 查看镜像启动错误:
docker run image:tag,然后看错误日志 - 进入镜像看信息:
docker run -it image:tag /bin/bash - 查看容器运行命令
- 安装runlike命令:
pip install runlike - 查看运行原始命令:
runlike -p <container_name>
- 安装runlike命令:
- docker-compose镜像整体导出和还原:
docker compose images | awk 'FNR > 1 {print $2":"$3}' | sort -u | xargs docker save -o images.tar- 列出当前docker-compose文件使用到的镜像信息:
docker compose images - 从1步骤中获取
Repository:Tag镜像列表:awk 'FNR > 1 {print $2":"$3}' - 去除重复镜像:
sort -u - 使用2步骤的镜像信息作为
docker save命令参数合并导出多个镜像到images.tar文件中:xargs docker save -o images.tar
- 列出当前docker-compose文件使用到的镜像信息:
- 通用Linux安装流程
- 下载静态包:
https://download.docker.com/linux/static/stable/x86_64/ - 将
docker-XX.X.X.tgz解压,并把解压后的文件移至/usr/bin文件夹下 - 新建文本文件
docker.service,填入如下内容后移至/etc/systemd/system[Unit] Description=Docker Application Container Engine Documentation=https://docs.docker.com After=network-online.target firewalld.service Wants=network-online.target [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 ExecReload=/bin/kill -s HUP $MAINPID # Having non-zero Limit\*s causes performance problems due to accounting overhead # in the kernel. We recommend using cgroups to do container-local accounting. LimitNOFILE=infinity LimitNPROC=infinity LimitCORE=infinity # Uncomment TasksMax if your systemd version supports it. # Only systemd 226 and above support this version. #TasksMax=infinity TimeoutStartSec=0 # set delegate yes so that systemd does not reset the cgroups of docker containers Delegate=yes # kill only the docker process, not all processes in the cgroup KillMode=process # restart the docker process if it exits prematurely Restart=on-failure StartLimitBurst=3 StartLimitInterval=60s [Install] WantedBy=multi-user.target - 执行命令
systemctl daemon-reload,移交管理权给系统 systemctl enable docker.service设置开启自启- 设置docker为rootless模式
不设需添加
sudo前缀sudo groupadd docker sudo gpasswd -a ${USER} docker sudo systemctl restart docker sudo chmod a+rw /var/run/docker.sock - 安装
compose- 下载插件放在指定文件夹中
sudo mkdir -p /usr/local/lib/docker/cli-plugins sudo curl -SL https://github.com/docker/compose/releases/download/v2.17.2/docker-compose-linux-x86_64 -o /usr/local/lib/docker/cli-plugins/docker-compose - 配置权限
sudo chmod +x /usr/local/lib/docker/cli-plugins/docker-compose
- 下载插件放在指定文件夹中
- 下载静态包: