key

Bash Any Key

November 29, 2022

Here’s the script to add pauses in your Bash script.

echo "please wait until web page loads ... "
read -p "Press any key to continue... " -n1 -s

You can also put it inside a function and call it multiple times.

function press_any_key {
  echo "please wait until web page loads ... "
  read -p "Press any key to continue... " -n1 -s
}
press_any_key

June 28, 2022

How to look for an access key in AWS. Find the account.

$ aws sts get-access-key-info --access-key-id AKIA8XXXXXXXXXXXXXXX
{
    "Account": "XXXXXXXXXXXX"
}

January 16, 2022

Allow shared key access only for one user in SSH.

Disable the password authentication for one user in your SSH config. Edit /etc/ssh/sshd_config.

Match User username
  PasswordAuthentication no

Restart the SSH service.

service ssh restart

Copy user’s public key to the destination server’s authorized file in ~/.ssh/authorized_keys.

ssh-rsa AAAAxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx <-- public key goes on for miles

Back on your client, login via SSH. User will not be prompted for password since public key is already authorized on server.

ssh username@server