Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 515
Alerts This Week
Warning Icon 1 515

Explore Advanced OpenSSH Features For Secure Remote Access

General Esm H446
We've covered SSH before in CLI Magic, but this week let's look at some additional SSH features that new users might not be aware of. For the purpose of this article, we'll be looking specifically at OpenSSH, but many of these features apply to other SSH variants as well. SSH is the best way to establish a secure connection to a remote networked machine. Whether you want to transfer files, encrypt traffic, or just log in to a remote machine, SSH is the way to go.

Let's start with one of the basics. If you log into a remote machine frequently, you might be tired of typing your password over and over again. You can set up SSH so that you can authenticate without typing a password.

First, you'll need to create an authentication key for SSH. This will actually consist of a key pair: a private key and a public key. To create your keys, run the command:

ssh-keygen -t dsa

The link for this article located at Linux.com is no longer available.