SSH

18 Guides Available

How to Enable SSH on Ubuntu 20.04 LTS

On Linode’s Ubuntu 20.04 LTS instances, the installation of ssh (client) and sshd (server) takes place when the instance is first started.

Use ssh-agent to Manage Private Keys

ssh-agent manages private keys for SSH connections, facilitating smoother SSH experiences and allowing you to use SSH sessions across programs.

Verifying the Authenticity of a Remote Server through Its SSH Key Fingerprint

Warning: The Authenticity of Host Can’t Be EstablishedThe first time you connect to a remote server over SSH on a new machine, the SSH client warns you that the authenticity of a host can’t be established.

Connecting to a Remote Server Over SSH

A secure shell (SSH) is used for secure communication between devices. When most people refer to SSH, it is within the context of connecting from a local computer to a remote server, commonly for administration tasks related to website hosting.

Connecting to a Remote Server Over SSH on a Mac

Connecting to a Remote Server Over SSH on Chrome

SSH (secure shell) is used for secure communication between devices. When most people refer to SSH, it is within the context of connecting from a local computer to a remote server.

Connecting to a Remote Server Over SSH on Linux

Connecting to a Remote Server Over SSH on Windows

Connecting to a Remote Server Over SSH using PuTTY

Use 2FA with SSH

In this guide, you’ll learn how to use one-time passwords for two-factor authentication with SSH. No matter what kind of data you’re hosting, securing access to your Linode is a critical step in preventing your information from being compromised.

Use tmux (a Terminal Multiplexer)

What is tmux?Tmux is a terminal multiplexer. It creates a host server on your Linode and connects to it with a client window.

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Using a YubiKey for 2FA when Logging in over SSH

What is Yubikey?YubiKeys are small USB dongles that you can plug into your computer. They can simulate keyboard input, allowing you to enter One Time Passwords (OTPs) with the press of a button to authenticate with services like Google, Dropbox and GitHub.

How to use a GPG key for SSH authentication

You may be familiar with public key authentication for Secure Shell (SSH) on your Linode.

Setting up an SSH Tunnel with Your Linode for Safe Browsing

Often you may need to browse the web from a public WiFi access point, such as a coffee shop or library, where you do not know the security measures taken by the administrator.

Install a Mosh Server as SSH Alternative on Linux

Mosh is a free replacement for SSH that allows roaming and supports intermittent connectivity. Unlike regular SSH connections, Mosh continuously syncs your local and remote sessions to ensure that your client automatically reconnects to the server when you switch between wireless networks or wake your computer from sleep.

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