Alpine linux install bash

How to Install and Use Bash Shell in Docker, Ubuntu, and Alpine Linux

Learn how to install and use Bash shell in Docker, Ubuntu, and Alpine Linux with this step-by-step guide. Improve your containerization skills today!

• Installing Bash in Alpine Linux Docker Image
• Running Ubuntu 16.04 Bash Shell in Docker
• Installing Bash in Ubuntu
• Adding Bash to a Docker Image
• Using Bash in Docker Container
• Other simple code examples for installing shell, bash, Ubuntu, and Docker
• Conclusion
• How to install bash in Docker image?
• How to install bash shell in Ubuntu?
• Does Ubuntu Docker image have bash?
• How do I open bash shell in Docker container?

Bash is an interactive command line shell used in various operating systems, including Ubuntu and Alpine Linux. Docker is a popular containerization tool used for deploying applications in isolated environments. This guide will provide information on how to install and use bash shell in Docker, Ubuntu, and Alpine Linux.

Installing Bash in Alpine Linux Docker Image

Alpine Docker image doesn’t have bash installed by default, so additional commands are required to install it. To install bash in Alpine Linux Docker image, use the following commands:

RUN apk update && apk add bash 

To use bash in an alpine based docker image , log in to the container with a basic command line interpreter (/bin/sh) and install using Alpine Package Keeper (apk).

Running Ubuntu 16.04 Bash Shell in Docker

To run Ubuntu 16.04 bash shell in a Docker image, use the following command:

docker run --rm -ti ubuntu:16.04 

Ubuntu Docker image may or may not have bash installed by default, so check before running the command.

Installing Bash in Ubuntu

To install bash shell in Ubuntu, refresh package database, install the bash-completion package, and log out and log in to verify that bash auto-completion is working properly. To install docker on ubuntu , add Docker’s GPG key, install Docker repository, and install Docker using “sudo apt install docker.io”.

Adding Bash to a Docker Image

To add shell or bash to a docker image (Distroless based on Debian), copy the statically compiled shell from the official busybox image in a multi-stage build in your Dockerfile. To start a shell in the Alpine Docker container, modify a config file or install an additional package.

Using Bash in Docker Container

To get bash or ssh into a running container in background mode, use the following command:

docker exec -it CONTAINER /bin/sh 

To open bash shell in Docker container, list all running Docker containers , locate the name of the target container, and start a bash shell by running the following command:

To run bash in Ubuntu in Docker with a single command, use the following command:

docker run -it ubuntu bash 

Other simple code examples for installing shell, bash, Ubuntu, and Docker

In Shell , for instance, install docker ubuntu via sh

curl -fsSL https://get.docker.com -o get-docker.sh DRY_RUN=1 sh ./get-docker.sh

Conclusion

Bash shell can be installed and used in Docker, Ubuntu, and Alpine Linux. Docker provides a portable and scalable environment for running applications. Best practices for using Docker include using minimal images, minimizing the number of layers, and limiting container privileges. By following these steps, users can effectively install and use bash shell in their Docker, Ubuntu, and Alpine Linux environments.

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Как установить оболочку bash в Alpine Linux

Alpine Linux поставляется с BusyBox. Он описан как «Швейцарский армейский нож встроенной Linux»(«The Swiss Army Knife of Embedded Linux.»). BusyBox объединяет крошечные версии многих распространенных утилит UNIX в один небольшой исполняемый файл, включая /bin/sh . По умолчанию bash не включается в BusyBox и Alpine Linux.

Как установить bash в Alpine Linux

Сам bash установить легко, но это не означает, что символические ссылки на busybox сразу исчезнут. Синтаксис выглядит следующим образом:

# apk update # apk upgrade # apk add bash

(1/5) Installing ncurses-terminfo-base (6.0-r7) (2/5) Installing ncurses-terminfo (6.0-r7) (3/5) Installing ncurses-libs (6.0-r7) (4/5) Installing readline (6.3.008-r5) (5/5) Installing bash (4.3.48-r1) Executing bash-4.3.48-r1.post-install Executing busybox-1.26.2-r5.trigger OK: 14 MiB in 21 packages

Чтобы установить документацию bash, введите:

Для того, чтобы установить автоматическое завершение установки командной строки bash, запустите:

Чтобы использовать bash как оболочку, просто введите bash :

Чтобы войти в alpine Linux LXD vm с хоста, введите:

$ lxc exec alpine-lxd-vm-name-here bash

Чтобы изменить корневую оболочку на bash, введите:

Найдите имя пользователя и оболочку по умолчанию, например /bin/ash :

Настройте оболочку bash

Вот приведен пример файла:

Примеры возможных выводов данных:

alias update='apk update && apk upgrade' export HISTTIMEFORMAT="%d/%m/%y %T " export PS1='\u@\h:\W $ ' alias l='ls -CF' alias la='ls -A' alias ll='ls -alF' alias ls='ls --color=auto' source /etc/profile.d/bash_completion.sh

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How to Install and Use Bash Shell in Alpine Linux

This post will guide you how to install Bash Shell in your Alpine Linux Docker Virtual Machine. How do I Use Bash Shell in Alpine Linux.

Insatlling Bash Shell in Alpine Linux

When you run a alpine Linux through docker in your Linux system, and the bash shell is not installed by default. So if you want to use bash shell in your Alpine Linux Virtual machine, you need to installed it in the Alpine Linux. just run the following commands:

$ apk update $ apk upgrade $ apk add bash

/ # apk update fetch http://dl-cdn.alpinelinux.org/alpine/v3.10/main/x86_64/APKINDEX.tar.gz fetch http://dl-cdn.alpinelinux.org/alpine/v3.10/community/x86_64/APKINDEX.tar.gz v3.10.2-46-gbb3e7ac09b [http://dl-cdn.alpinelinux.org/alpine/v3.10/main] v3.10.2-42-g95d37f7648 [http://dl-cdn.alpinelinux.org/alpine/v3.10/community] OK: 10336 distinct packages available / # apk upgrade (1/2) Upgrading libcrypto1.1 (1.1.1c-r0 -> 1.1.1d-r0) (2/2) Upgrading libssl1.1 (1.1.1c-r0 -> 1.1.1d-r0) OK: 6 MiB in 14 packages / # apk add bash (1/5) Installing ncurses-terminfo-base (6.1_p20190518-r0) (2/5) Installing ncurses-terminfo (6.1_p20190518-r0) (3/5) Installing ncurses-libs (6.1_p20190518-r0) (4/5) Installing readline (8.0.0-r0) (5/5) Installing bash (5.0.0-r0) Executing bash-5.0.0-r0.post-install Executing busybox-1.30.1-r2.trigger OK: 14 MiB in 19 packages

Then you can type bash command in your current Alpine Linux to enter into bash shell program, type:

/ # bash bash-5.0# ls bin dev etc home lib media mnt opt proc root run sbin srv sys tmp usr var bash-5.0#

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Install Bash on Alpine Linux — Docker

The Alpine Linux Image is ~5MB in size, so it will not contain most of the non-essential packages. To have the size limited you will not get the bash shell either, if you try to run a bash script or command, you will get an error: sh: bash: not found

# apk add bash (1/1) Installing bash (5.1.16-r2) Executing bash-5.1.16-r2.post-install Executing busybox-1.35.0-r17.trigger OK: 58 MiB in 28 packages

Install bash on Dockerfile with Alpine Linux base Image

FROM alpine:latest RUN apk add bash CMD bash

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