Security

Settings for hardening ssh on Ubuntu

Updated for Ubuntu 22.04

how to install tailscale in linux

Introduction

It is sometimes necessary to create a virtual network to enable computers across a …

A place to hold information about setting up, viewing, and controlling logging.

Auto-reconnecting reverse tunnel quickstart

sudo usermod -a -G …

To turn on UFW,

sudo ufw allow 22
sudo ufw enable
sudo ufw status
sudo systemctl enable ufw
sudo …

Derived from here:

sudo apt install -y fail2ban
sudo systemctl enable fail2ban
sudo systemctl start …