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Creating and Using SSH Keys in Windows

On remote Unix, Linux, or MacOS machines the public key needs to be placed into a file called ~/.ssh/authorized_keys file using your favorite text editor. There can be multiple public keys in the ... read more

Creating keys for use with SSH in MacOS and in Linux

This will prompt you for your password and then copy the public key into your ~/.ssh/authorized_keys file on the remote host. It will show you succeeded with a message similar to this: Number of key(s ... read more

Widely-Used PuTTY SSH Client Found Vulnerable to Key Recovery Attack

A critical vulnerability in PuTTY, affecting versions 0.68 through 0.80, compromises the security of NIST P-521 private keys. read more

PuTTY SSH client flaw allows recovery of cryptographic private keys

A vulnerability tracked as CVE-2024-31497 in PuTTY 0.68 through 0.80 could potentially allow attackers with access to 60 cryptographic signatures to recover the private key used for their generation. read more

How to Generate an SSH Key on Linux

Copy your SSH public key to the remote server using either ssh-copy-id or by manually pasting the key into the authorized_keys file. An SSH key lets you keep your remote server accounts safe while ... read more

authorized keys

We had been using SSH for years before stumbling on that ... and add it temporarily to your authorized_keys file. When you hit ctrl-C to quit the script, it removes the keys. read more

How to generate an SSH key in Windows 11/10

In this guide, we will see an easy method to generate an SSH key in Windows 11 or Windows 10. SSH or Secure Shell is a cryptographic network protocol that makes a secure tunnel over the unsecured ... read more

What is an ssh tunnel and how does it work?

ssh tunnel.encs.concordia.ca -L 4040:remote_host1.encs.concordia.ca:5050 Where: 4040 is the local or Source port; remote_host1.encs.concordia.ca is the remote hostname; and 5050 is the remote port If ... read more

How to Automate Virtual Machine Creation in Azure Using cloud-init

In addition, add the user's SSH key to authorized keys. This allows you to disable SSH password logins later for better security. These are just some of the modules you can use from cloud-init ... read more

Creating and Using SSH Keys

Use PuTTY to SSH into the remote machine. If the .ssh file has not been created: Copy the public key from the PuTTYgen window and paste it to the end of the authorized_file. The way PuTTYgen saves ... read more