Installing the ping tool in a container built by Docker

Because the Base images pulled by Docker, such as Centos and Ubuntu, are the simplest versions and do not contain the Ping tool. When performing Docker network and Docker link operations on Docker, the Ping tool is often used to test the network between two containers. At this time, the Ping tool is needed.

Below is the command to install the Ping tool in Ubuntu:

sudo apt-get update && apt-get install iputils-ping

Additional knowledge: standard_init_linux.go:211: exec user process caused "no such file or direct" problem

Summarizes some issues on the Internet

In Windows environment, because the file type is DOS, just convert it to Unix and then compile it.

Need to install dos2unix dos2unix file

This problem does not exist on Mac, you need to disable cgo

Add CGO_ENABLED=0 in dockerfile

RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build .

In the end, there is really no way

Changing the base image from alpine to from centos will solve the problem

But this image file is relatively large

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