How to install OpenSSH server on Alpine Linux (including Docker)

OpenSSH is a popular implementation of the SSH protocol that can be used to remotely access and manage an Alpine Linux server, including inside a Docker container. You can install OpenSSH server on Alpine Linux using the package manager apk.

Here’s an example of how to install OpenSSH server on Alpine Linux:

  1. Update package list: Before installing OpenSSH, you should first update your package list by running the command:
apk update
  1. Install OpenSSH server: Once your package list is up-to-date, you can install OpenSSH server by running the following command:
apk add openssh
  1. Configure OpenSSH server: To configure the OpenSSH server, you can edit the file /etc/ssh/sshd_config, by running the command:
nano /etc/ssh/sshd_config
  1. Start the OpenSSH service: To start the OpenSSH service, you can use the following command:
rc-service ssh start
  1. Enable OpenSSH service: To enable OpenSSH service, you can use the following command:
rc-update add ssh

Please note that these commands are for a basic setup, you should adapt them according to your specific requirements, such as adding a new user and configure the SSH port. Also, before making any changes, it’s recommended to have a backup plan in case something goes wrong, and also to test the changes before applying them to your production environment.

Additionally, it’s worth noting that when installing OpenSSH server inside a Docker container,

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