Open-Source Use

To test if you can connect to a host using password authentication and explicitly deny public key authentication: ssh -o PreferredAuthentications=password -o PubkeyAuthentication=no user@host This also works for Secure Copy: scp -o PreferredAuthentications=password -o PubkeyAuthentication=no local.file user@host:/path/to/remote.file use old ssh ssh -o PreferredAuthentications=password -o PubkeyAuthentication=no -o HostKeyAlgorithms=+ssh-dss user@host

You can use arithmetic calculations in Ansible using the Jinja syntax. This is helpful in many situations where you have stored the output of an operation, and you need to manipulate that value. All usual operation like addition, subtraction, multiplication, division, and modulo are possible. Let us start with an example. We will be using the  debug module  to print the out the result. The following tasks show all the basic arithmetic operations. The output is given in comments. Ansible arithmetic operation example - hosts: loc tasks: - debug: msg: "addition{{ 4 +3 }}" #Ansible addition 7 - debug: msg: "substraction {{ 4 - 3 }}" #Ansible arithmetic substraction 1 - debug: msg: "multiplication {{ 4 * 3 }}" #multiplication 12 - debug: msg: "Modulo operation {{ 7 % 4}}" #ansible Modulo operation - find remainder 3 - debug: msg: "floating division {{ 4 / 3}}" #ansible floating divisio...