Steps to install OpenSSH on Alpine
Step 1: Search the “OpenSSH” package
Search the “OpenSSH” package to check whether it exists for downloading by running the below command:
apk search openssh
Search openssh package
Step 2: Install the OpenSSH package
From step 1, you can see that the openssh package is available for installation. This will install the OpenSSH server and client for us. Installing it using `apk` package manager provided in Alpine Linux as below:
apk add openssh
Install OpenSSH using apk command
Step 3: Enable the sshd service to get started at boot time
Enable sshd service to start at boot time to avoid enabling the service again and again across restarts of the system. To enable it we can use rc-update command as follows:
rc-update add sshd
Enable sshd service for boot time
Step 4: Start the sshd service on Alpine Linux
To immediately start the sshd service on Alpine Linux, we will use the `service` command as follows:
service sshd start
Start sshd service immediately
Step 5: Check the IP address of for your Alpine Linux system
Get the IP address of your Alpine Linux system to be able to login into this system from any remote system.
ip addr show
Step 6: Login to this Alpine Linux system from remote system
Now you can SSH into this Alpine Linux system from any other system.
ssh <username>@<ip_address>
How To Install OpenSSH On Alpine?
OpenSSH, an SSH protocol implementation, is useful for securely transferring any file over the internet that can be over any trusted or untrusted network. It does strong encryption of any data that is transferred over the SSH connection, so no third party can see the data being transferred over the SSH connection. If the remote system has openssh installed on it and if you know the hostname and IP address of that remote system, then you can log in to any remote system using OpenSSH. Be it any
Alpine Linux is a lightweight Linux distro that is small, simple, fast, secure, and efficient. It is especially used in containerized environments like Docker to create small and lightweight containers and scale multiple Kubernetes clusters to do basic to medium-level operations easily.
Alpine Linux distro is becoming popular for the deployment of React and Angular Apps on a web server that uses Alpine Linux OS. Now, to do web server monitoring, install SSL certificates, or even perform troubleshooting, you need to SSH into this remote system. Adding OpenSSH to Alpine Linux is simple.
In this article, we will look at how to install and set up OpenSSH (sshd) on the Alpine Linux system.