1.卸载 Podman
使用 dnf
(适用于 RHEL 8+/CentOS 8+/Rocky Linux)或 yum
(适用于 RHEL 7/CentOS 7):
sudo dnf remove podman # 或者 sudo yum remove podman
2.删除podman残留文件
sudo rm -rf /etc/containers /etc/registries.conf /etc/containers/policy.json /etc/containers/storage.conf ~/.config/containers ~/.local/share/containers
3.卸载旧版docker
sudo dnf remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-engine
4.编写docker软件源仓库
[docker-ce-stable]
name=Docker CE Stable - $basearch
baseurl=https://mirror.nju.edu.cn/docker-ce/linux/rhel/$releasever/$basearch/stable
enabled=1
gpgcheck=1
gpgkey=https://mirror.nju.edu.cn/docker-ce/linux/rhel/gpg
[docker-ce-stable-debuginfo]
name=Docker CE Stable - Debuginfo $basearch
baseurl=https://mirror.nju.edu.cn/docker-ce/linux/rhel/$releasever/debug-$basearch/stable
enabled=0
gpgcheck=1
gpgkey=https://mirror.nju.edu.cn/docker-ce/linux/rhel/gpg
[docker-ce-stable-source]
name=Docker CE Stable - Sources
baseurl=https://mirror.nju.edu.cn/docker-ce/linux/rhel/$releasever/source/stable
enabled=0
gpgcheck=1
gpgkey=https://mirror.nju.edu.cn/docker-ce/linux/rhel/gpg
[docker-ce-test]
name=Docker CE Test - $basearch
baseurl=https://mirror.nju.edu.cn/docker-ce/linux/rhel/$releasever/$basearch/test
enabled=0
gpgcheck=1
gpgkey=https://mirror.nju.edu.cn/docker-ce/linux/rhel/gpg
[docker-ce-test-debuginfo]
name=Docker CE Test - Debuginfo $basearch
baseurl=https://mirror.nju.edu.cn/docker-ce/linux/rhel/$releasever/debug-$basearch/test
enabled=0
gpgcheck=1
gpgkey=https://mirror.nju.edu.cn/docker-ce/linux/rhel/gpg
[docker-ce-test-source]
name=Docker CE Test - Sources
baseurl=https://mirror.nju.edu.cn/docker-ce/linux/rhel/$releasever/source/test
enabled=0
gpgcheck=1
gpgkey=https://mirror.nju.edu.cn/docker-ce/linux/rhel/gpg
[docker-ce-nightly]
name=Docker CE Nightly - $basearch
baseurl=https://mirror.nju.edu.cn/docker-ce/linux/rhel/$releasever/$basearch/nightly
enabled=0
gpgcheck=1
gpgkey=https://mirror.nju.edu.cn/docker-ce/linux/rhel/gpg
[docker-ce-nightly-debuginfo]
name=Docker CE Nightly - Debuginfo $basearch
baseurl=https://mirror.nju.edu.cn/docker-ce/linux/rhel/$releasever/debug-$basearch/nightly
enabled=0
gpgcheck=1
gpgkey=https://mirror.nju.edu.cn/docker-ce/linux/rhel/gpg
[docker-ce-nightly-source]
name=Docker CE Nightly - Sources
baseurl=https://mirror.nju.edu.cn/docker-ce/linux/rhel/$releasever/source/nightly
enabled=0
gpgcheck=1
gpgkey=https://mirror.nju.edu.cn/docker-ce/linux/rhel/gpg
5.安装docker
sudo dnf install -y docker-ce docker-ce-cli containerd.io