How do you modify the kernel parameters within a Docker image?

To modify the kernel parameters inside a Docker image, you can achieve this by using the CMD command in the Dockerfile or by using the sysctl command inside the container.

1. Use the CMD command in the Dockerfile.

FROM ubuntu:latest

# 在CMD命令中添加设置内核参数的命令
CMD sysctl -w kernel.param=value

1. To use the sysctl command in a container:
   Firstly, access the Docker container.

docker exec -it <container_id> /bin/bash

Next, modify the kernel parameters using the sysctl command.

sysctl -w kernel.param=value

It’s important to note that modifying kernel parameters may impact the stability and performance of the system. It is recommended to thoroughly understand the function and impact of each parameter before making any changes.