In this tutorial, we’ll walk through one of theeasiest games to create on Scratch—a custom version of Pong, using variables to keep track of the player's score. The player will control a paddle with their mouse and hit a ball to earn points! Kids will need a few basic elements for...
I'm still very new to FastAPI, but I start with a tricky issue. I start a FastAPI server programmatically in a separate process and want to add a token value in the request header in some middleware. I have found various snippets that sh...
Use the steps in the Control Node Setup section of the Getting Started With Ansible - Basic Installation and Setup guide. Ensure you have Python version 2.7 or higher installed on your computer. Issue the following command to check your system’s Python version: python --version Install the ...
You can also executeAnsible modulesvia ad-hoc commands, similarly to what we’ve done before with thepingmodule for testing connection. For example, here’s how we can use theaptmodule to install the latest version ofvimon all the servers in your inventory: ansible all-mapt-a"name=vimstate...
You need to decide the number of both control plane and worker nodes for your cluster. In this post, we will use one control plane node and three worker nodes. To create the Kubernetes cluster, you need to make sure you have Terraform CLI installed on your system as well as the proper...
If you need to usepassword-based authenticationin order to connect to the nodes, you need to append the option--ask-passto your Ansible command. This will make Ansible prompt you for the password of the user on the remote server that you’re attempting to connect as: ...
Let's test to make sure that Ansible can connect to the server: ansible -i inventory.ini -m ping vpn This runs theping Ansible module, targeting the vpn Ansible's Built-in Variables and Facts There are other useful Ansible modules that we can use with the ...
# We do not want to do a port scan, only get the list of hosts dynamically---plugin:nmapaddress:192.168.1.0/24strict:Falseipv4:yesports:nogroups:appliance:"'Amazon' in hostname"regular:"'host' in hostname" Then test it: $ ansible-inventory-iExtendingAnsibleWithPython/Inventories/home_nmap...
tower-pc.lan|SUCCESS=>{"ansible_facts":{"discovered_interpreter_python":"/usr/bin/python"},"changed":false,"ping":"pong"}[WARNING]:sftptransfer mechanism failed on[diskstation.lan]. UseANSIBLE_DEBUG=1to see detailed information[WARNING]: Platform linux onhostdiskstation.lan is using the disco...
WebSockets makes it possible for a client to make a data request to a server, and then receive event-driven responses from that server in real time. Unlike many Web technologies, WebSockets doesn't use a request/response strategy where a connection is opened in the course of making the re...