Install Docker offline on Linux system
In Linux systems, offline installation of Docker usually occurs in the following situations:
In some deployment environments, network restrictions or firewall settings may affect the ability to install Docker online directly through Docker's official warehouse.
For security reasons, some environments do not allow direct connection to external networks, so offline methods are required to install and update software.
Stability requirements: For systems with higher stability requirements, offline installation can ensure that Docker is compatible with other system components and avoid potential risks that may be caused by online updates.
Let’s take a look at the specific operation methods.
1. Download the installation package
Docker all offline package paths
http://get.daocloud.io/docker/builds/
linux stable version:
https://download.docker.com/linux/static/stable/
2. Unzip
Take tar -zxvf docker-20.10.20.tgz as an example
Copy docker-20.10.20.tgz to the server and decompress:
tar -zxvf docker-20.10.20.tgz
3. Copy to the specified directory
Copy all the files in the unzipped docker directory to the /usr/bin directory. The destination /user/bin is the environment variable directory
mv docker/* /usr/bin/
4. Edit configuration file
vim /etc/systemd/system/docker.service
Add file content:
[Unit] Description=Docker Application Container Engine Documentation=https://docs.docker.com After=network-online.target firewalld.service Wants=network-online.target [Service] Type=notify ExecStart=/usr/bin/dockerd ExecReload=/bin/kill -s HUP $MAINPID LimitNOFILE=infinity LimitNPROC=infinity TimeoutStartSec=0 Delegate=yes KillMode=process Restart=on-failure StartLimitBurst=3 StartLimitInterval=60s [Install] WantedBy=multi-user.target
5. Modify execution permissions
chmod +x /etc/systemd/system/docker.service systemctl daemon-reload
6. Set startup
systemctl enable docker.service
7.Start docker
systemctl start docker
8.Verification
docker -v Docker version 20.10.20, build 370c289
In addition, the specific installation steps may vary depending on the Linux distribution and version. Therefore, before proceeding with offline installation, it is recommended to consult the documentation or community support of the target Linux system for more detailed installation guides and system-specific guidance.
Online installation: Automatically install using the official installation script
The installation command is as follows:
curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun
You can also use the domestic daocloud one-click installation command:
curl -sSL https://get.daocloud.io/docker | sh
The above is the detailed content of Install Docker offline on Linux system. For more information, please follow other related articles on the PHP Chinese website!
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