Forrest logo
back to the ssh-keygen tool

ssh-keygen:tldr:0cfca

ssh-keygen: Generate an RSA 4096-bit key with email as a comment.
$ ssh-keygen -t ${select} -b ${4096} -C "${select1}"
try on your machine

This command is used to generate an SSH key. Here is an explanation of each part:

  • ssh-keygen: This is the command to generate an SSH key.
  • -t ${select}: Specifies the type of key to be generated. The ${select} variable is expected to be replaced with the desired key type, such as rsa, dsa, ecdsa, or ed25519.
  • -b ${4096}: Sets the number of bits in the key to be generated. The ${4096} variable is expected to be replaced with the desired bit size, such as 2048, 3072, or 4096. Typically, 4096 bits is recommended for stronger security.
  • -C "${select1}": Adds a comment to the key. The ${select1} variable is expected to be replaced with a description that helps to identify the key, such as an email address or a username.

As an example, if you wanted to generate an RSA key with a bit size of 4096 and a comment of your email address, you would replace the variables as follows:

ssh-keygen -t rsa -b 4096 -C "your-email@example.com"

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.
back to the ssh-keygen tool