Home Operation and Maintenance Docker What should I do if I cannot connect to the Internet after installing docker in win10?

What should I do if I cannot connect to the Internet after installing docker in win10?

Apr 19, 2023 pm 03:20 PM

With the rapid development of cloud computing and containerization technology, Docker has become one of the most important development and operation and maintenance tools today. However, when using Docker, you sometimes encounter some problems. Among them, it is a very common problem that Win10 cannot connect to the Internet after installing docker. Today, we will take a look at the solution to this problem.

  1. Confirm network settings

First, we need to confirm the network settings of Windows 10. Click the Start menu in the lower left corner of Windows, search for network settings, and then enter the network settings page. In the lower right corner of the network settings page, click "Network and Internet Settings", and then in the page that opens, click "Network Adapter Options." Find the currently used network adapter in the new window, right-click it, select "Properties", then select "Internet Protocol Version 4 (TCP/IPv4)" in the pop-up dialog box, and finally ensure that the IP address and DNS server address are included The settings are correct.

  1. Check the Docker configuration file

If the network settings are correct, then you need to check the Docker configuration file. In the directory C:\ProgramData\Docker\config\daemon.json, check whether there are the following two lines:

"bip":"192.168.0.1/24"
"dns":[" 8.8.8.8","8.8.4.4"]

Where, bip represents the subnet to be assigned to the Docker container. The IP address here should be different from the IP address of the local machine, but must be in the same subnet (That is, the first three parts of the IP address must be the same). dns represents the DNS server address to be used by the Docker container. Here is Google's public DNS server. If these two parameters are set incorrectly, it may cause the Docker container to be unable to connect to the Internet.

  1. Check the network security settings

If the previous two steps fail to solve the problem, then you need to check the network security settings. Search for "Manage Windows Firewall" in the Windows search bar and enter the firewall management program. In the left menu bar, select "Advanced Settings" and then find "Inbound Rules" and "Outbound Rules." In the Inbound Rules and Outbound Rules, find the rules about Docker and make sure they are allowed.

  1. Restart the docker service

If the above methods fail to solve the problem, the last resort is to restart the docker service. Press the Win R key in Windows and enter "services.msc" to enter the service management program. Find the Docker service in the service manager, right-click it and select Restart.

Summary

Docker is one of the most important development and operation and maintenance tools today, but in the process of using Docker, you sometimes encounter some problems. Among them, win10 cannot connect to the Internet after installing docker. is a common question. In the process of solving this problem, we need to confirm the network settings, check the Docker configuration file, check the network security settings and restart the docker service. Just follow these steps and you'll basically be able to fix this problem.

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