a) Strong Passwords, Not Reusing Passwords. Security Basicsīefore I begin showing the YubiKey 5C NFC device I would like to explain a bit about… 
I also used my YubiKeys to secure servers I setup ( protecting Command-line SSH Sessions). Now I have over 80 websites and servers protected with my YubiKeys.
Add two factor auth login protection to WordPress with YubiCo hardware YubiKeys and or 2FA Authenticator AppĪt first, I used my YubiKeys to secure Mac OSX, websites I used then services like 1Password, Dropbox, Twitter. Setup two factor authenticator protection at login on Ubuntu or Debian. Using the Yubico YubiKey NEO hardware-based two-factor authentication device to improve authentication and logins to OSX and software. Yubico YubiKey 5Ci with USB-C and Lightning connector for mobile devices. I have been using Yubico YubiKeys since 2018. Moving a CPanel domain with email to a self managed VPS and Gmail. Moving WordPress to a new self managed server away from CPanel. How to backup WordPress on a host that has CPanel. Installing and managing WordPress with WP-CLI from the command line on Ubuntu. Securing Google G Suite email by setting up SPF, DKIM and DMARC with Cloudflare. Setting strong SSL cryptographic protocols and ciphers on Ubuntu and NGINX. PHP implementation to check a password exposure level with Troy Hunt’s pwnedpasswords API. Enabling TLS 1.3 SSL on a NGINX Website (Ubuntu 16.04 server) that is using Cloudflare. Setting up the Debian Kali Linux distro to perform penetration testing of your systems. Using OWASP ZAP GUI to scan your Applications for security issues. Using the Qualys FreeScan Scanner to test your website for online vulnerabilities. Setting up a website to use Cloudflare on a VM hosted on Vultr and Namecheap. 
Speeding up WordPress with the ewww.io ExactDN CDN and Image Compression Plugin.Measuring VM performance (CPU, Disk, Latency, Concurrent Users etc) on Ubuntu and comparing Vultr, Digital Ocean and UpCloud – Part 1 of 4.PHP 7 code to send object oriented sanitised input data via bound parameters to a MYSQL database.Using the free Adminer GUI for MySQL on your website.Infographic: So you have an idea for an app.NodeJS code to handle App logins via API (using MySQL connection pools (1000 connections) and query parameters).How to setup pooled MySQL connections in Node JS that don’t disconnect.Setting up a Vultr VM and configuring it.
How to buy a new domain and SSL cert from NameCheap, a Server from Digital Ocean and configure it. I moved my domain to UpCloud (on the other side of the world) from Vultr (Sydney) and could not be happier with the performance.
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