Standard_init_linux. go: 211: exec 用户进程导致“ exec 格式错误”

我正在为 python 脚本构建 Dockerfile，它将在 minikube windows 10系统中运行，下面是我的 Dockerfile

使用以下命令构建停靠点 docker build -t python-helloworld .

然后装进 Minikube Docker Devil 里 docker save python-helloworld | (eval $(minikube docker-env) && docker load)

码头档案

FROM python:3.7-alpine
#add user group and ass user to that group
RUN addgroup -S appgroup && adduser -S appuser -G appgroup


#creates work dir
WORKDIR /app


#copy python script to the container folder app
COPY helloworld.py /app/helloworld.py


#user is appuser
USER appuser


ENTRYPOINT  ["python", "/app/helloworld.py"]

Yml 文件(cron 作业文件)

apiVersion: batch/v1beta1
kind: CronJob
metadata:
name: python-helloworld
spec:
schedule: "*/1 * * * *"
jobTemplate:
spec:
backoffLimit: 5
template:
spec:
containers:
- name: python-helloworld
image: python-helloworld
imagePullPolicy: IfNotPresent
command: [/app/helloworld.py]
restartPolicy: OnFailure

下面是运行这个 Kubernetes 作业的命令 kubectl create -f pythoncronjob.yml

但是获得下面的错误作业并不是运行不顺利，但是当您单独运行 Dockerfile 时，它的工作还不错

Standard _ init _ linux. go: 211: exec 用户进程导致“ exec 格式错误”

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最佳答案

I can see that you add the command command: [/app/helloworld.py] to yaml file.

so you need to (in Dockerfile):

RUN chmod +x /app/helloworld.py

set shebang to your py file:

#!/usr/bin/env python # whatever your defualt python to run the script

or setup the command the same as you did in Dockerfile

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I recently encountered the problem when running a logstash container

standard_init_linux.go:211: exec user process caused "exec format error"

Noticed that the shebang line (#!/bin/sh) on the entrypoint.sh was typed in the second line instead of the first line of the entrypoint.sh file.

When the shebang line is made as to the first line in the script, the error went away and "docker run -it logstashimage:latest sh" worked perfectly.

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Another two reasons could raise this issue if you run docker on Windows:

  • scripts line endings are not LF (linux)
  • scripts encoding should be utf-8 + BOM
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This can also happen when your host machine has a different architecture from your guest container image.

E.g. running an arm container on a host with x86-64 architecture

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I met exactly the same error message. It was fixed by install qemu on the host machine. No idea about the reason.

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I had this issue recently. Sharing my experience here. Basically I was trying to run a ARM docker image on X86_64 architecture.

Here is the steps I have followed

  1. Check host architecture

     uname -m # Display the host architecture
#x86_64


docker pull arm32v7/ubuntu # Get ARM docker image


docker run --rm -t arm32v7/ubuntu uname -m
standard_init_linux.go:211: exec user process caused "exec format error"

  2. Setting up ARM emulation on x86

Using QEMU allows us to to build ARM binaries on x86 machine without needing a cross compiler.

sudo apt-get install qemu binfmt-support qemu-user-static # Install the qemu packages
docker run --rm --privileged multiarch/qemu-user-static --reset -p yes # This step will execute the registering scripts

  1. Run the docker image

    $ docker run --rm -t arm32v7/ubuntu uname -m
armv7l

Reference : Building ARM container on x86

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Rufus is correct, I came across this issue when attempting to build a x86 server image on my M1 MacBook which is arm64.

I was able to build for the correct target architecture by adding the "platform" attribute to my docker-compose.yml.

services:
web:
image: myimage/web:latest
platform: linux/x86_64
build:
context: ./myfolder
dockerfile: Dockerfile.prod
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You probably compile your docker image for the wrong platform.

For instance, if you run on arm64 (Apple M1 or M2?) and want to compile to run on intel/amd, you shall use the --platform option of docker build.

docker build --platform linux/amd64 -t registry.gitlab.com/group/project:1.0-amd64 ./

If you use docker-compose.yml to build your image, use:

services:
app:
platform: linux/amd64
build:
context: ./myapp
...

For the docker platform naming list, and more info, you should read: https://docs.docker.com/build/building/multi-platform/

tip: to build for multiple platforms, use --platform linux/amd64,linux/arm64


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