Docker is an open source application container engine that allows developers to easily create and deploy applications and run them in any environment. One of the benefits of Docker containerized applications is that they run within independent containers, isolated from the host system and avoiding conflicts. However, the number of Docker containers created may be large, and it is easy to produce some unused or abandoned containers. The status of these containers may be "
In this article, we will introduce how to clear the
- View
containers
Before performing the cleanup operation, we need to first determine which containers are marked as "
docker ps -a | grep "<none>"</none>
The output may look like this:
862746adc245 ubuntu:latest "/bin/bash" 5 days ago Up 5 days one-missing-container 9ac7da8db12f centos:7 "/bin/bash" 5 days ago Exited (0) 5 days ago lucid_curie 99e099c008a0 centos:7 "/bin/bash" 5 days ago Exited (0) 5 days ago youthful_elion
In the above output, the first column is the ID of the container, and the second column is the image name of the container. , the third column represents the command of the container, the fourth column represents the creation time of the container, the fifth column represents the running status of the container, and the sixth column represents the name of the container.
It can be seen from the above results that the status of three containers is "
- Clear
containers
Clearing containers with
docker rm $(docker ps -aq --filter "status=dead" --filter "status=exited" --filter "status=created")
The above command The following actions will be performed:
- Select stopped, exited, and created containers from the container list.
- Use the -docker RM command to delete these containers.
Please note that if you only want to remove specific stopped containers, you can use docker ps -a | grep "Exited" command to find the IDs of all stopped containers and use docker rm command Delete them.
- Clear
images
Once the
docker rmi $(docker images -f "dangling=true" -q)
The above command will select all tagged images from the list and delete them.
- Use less Docker's
Finally, it is recommended that you avoid the
Summary
This article introduces how to clear the
The above is the detailed content of How to clear

This article explains how to use the docker exec command to run commands within a running Docker container. It covers basic syntax, options (like -it for interactive use and -d for detached mode), shell access, common use cases (debugging, administr

This article explains Docker, a containerization platform simplifying application building, shipping, and running. It addresses the "it works on my machine" problem by packaging apps and dependencies into isolated containers, improving con

This article explains Docker, contrasting it with virtual machines. Docker uses containerization, sharing the host OS kernel for lightweight, resource-efficient application isolation. Key advantages include speed, portability, ease of deployment, a

The article details deploying applications to Docker Swarm, covering preparation, deployment steps, and security measures during the process.

Docker simplifies application building, shipping, and running via containerization. It offers consistent development environments, faster cycles, improved collaboration, and streamlined CI/CD, resulting in portable, scalable, and resource-efficient

This article explains Docker, a containerization platform simplifying application creation, deployment, and execution. It highlights Docker's benefits: improved efficiency, consistency, resource utilization, and streamlined deployment. Various use

The article explains Kubernetes' pods, deployments, and services, detailing their roles in managing containerized applications. It discusses how these components enhance scalability, stability, and communication within applications.(159 characters)

The article discusses scaling applications in Kubernetes using manual scaling, HPA, VPA, and Cluster Autoscaler, and provides best practices and tools for monitoring and automating scaling.


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool

SublimeText3 Mac version
God-level code editing software (SublimeText3)

mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

Notepad++7.3.1
Easy-to-use and free code editor

Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.
