Security, software development and devops in a cloud world

Category Ubuntu

Ubuntu 20.04 Desktop – Installing and Configuring SSH

Introduction Ubuntu 20.04 Desktop does not include an SSH server preinstalled. In this article, I show how I install OpenSSH, create an SSH keypair, install the keypair Ubuntu for a user and disable password-based SSH logins. I also include a… Continue Reading →

Azure – Recovering from UFW firewall lockout – Ubuntu

Introduction You have a Ubuntu instance running in an Azure Virtual Machine. You connect to this instance via SSH. One day you decide to enable the UFW firewall and your SSH connection drops. You cannot reconnect. Problem Enabling the UFW… Continue Reading →

© 2022 John Hanley — Powered by WordPress

Theme by Anders NorenUp ↑