安装 #
Ubuntu #
依赖 #
apt update
apt install ca-certificates curl gnupg -y
仓库 #
install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
chmod a+r /etc/apt/keyrings/docker.gpg
echo \
"deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
"$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
tee /etc/apt/sources.list.d/docker.list > /dev/null
主体 #
apt update
apt install docker-ce docker-ce-cli containerd.io -y
卸载 #
apt purge docker-ce
apt autoremove
CentOS #
依赖 #
yum install -y yum-utils \
device-mapper-persistent-data \
lvm2
仓库 #
yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo
主体 #
yum install docker-ce docker-ce-cli containerd.io -y
卸载 #
yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-selinux \
docker-engine-selinux \
docker-engine
rm -rf /etc/systemd/system/docker.service.d
rm -rf /var/lib/docker
rm -rf /var/run/docker
启动及开机启动 #
systemctl start docker
systemctl enable docker
以非 Root 用户身份执行 #
sudo usermod -aG docker $USER
验证 #
Docker Compose 安装 #
下载 #
sudo curl -L https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m) -o /usr/local/bin/docker-compose
赋权 #
chmod +x /usr/local/bin/docker-compose
版本 #
常用命令 #
容器 #
# 启动容器
docker start Name/ID
# 停止容器
docker stop Name/ID
# 杀死容器
docker kill Name/ID
# 删除容器
docker rm Name/ID
# 显示正在运行的容器:
docker ps
# 显示全部容器:
docker ps -a
# 进入容器
docker exec -it NAME /bin/sh
or
docker exec -it ID /bin/sh
镜像 #
# 检索 image
docker search image-name
# 下载 image
docker pull image-name
# 显示全部镜像:
docker images
# 删除镜像
docker rmi ID
保存和加载镜像 #
# 保存镜像到一个 tar 包
docker save image-name -o file-path
# 加载一个 tar 包格式的镜像
docker load -i file-path
清理 #
# 空间占用
docker system df
# 清理未使用image
docker image prune
# 清理已经停止的容器
docker container prune
# 清理不再使用的数据卷
docker volume prune
# 清理Build Cache
docker builder prune
# 清理所有
docker system prune