运行docker pull ubuntulatest报错提示:latest Pulling from libraryubuntumediaType in manifest should be applicationvnddockerdistributionmanifestv2+json not applicationvndociimagemanifestv1+json
这个报错提示是因为在拉取ubuntu:latest镜像时,Docker Engine返回的manifest格式是OCI(Open Container Initiative)格式的,而不是Docker v2格式。解决这个问题的方法是更新Docker Engine的版本。
请按照以下步骤更新Docker Engine:
- 首先,卸载旧版本的Docker Engine:
 
sudo apt-get remove docker docker-engine docker.io containerd runc
- 安装Docker依赖包:
 
sudo apt-get update
sudo apt-get install apt-transport-https ca-certificates curl gnupg-agent software-properties-common
- 添加Docker的官方GPG密钥:
 
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
- 设置稳定版Docker存储库:
 
echo "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
- 安装Docker Engine:
 
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io
- 验证Docker Engine是否成功安装:
 
sudo docker run hello-world
现在,再次运行docker pull ubuntu:latest应该可以成功拉取镜像了
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