Network Security Devices

Common Types of Network Attacks

OSPF Operational States

OSPF Designated Routers

OSPF Communication Packets

The OSPF Protocol

Securing the OpenSSH daemon on Ubuntu

Configuring UFW on Ubuntu Server

First steps to secure your Ubuntu Server

Installing Apache2 mods in Ubuntu Server

Using Ubuntu Server as a VM host

Installing the NGINX web server

Configuring SSL on an Apache Server

Installing the Apache2 web server on Ubuntu Server

Installing MariaDB on an Ubuntu Server

Temporarily sharing files using SSHFS

Backing up data on an Ubuntu Server using 'rsync'

Sharing files with NFS on an Ubuntu Server

Connecting to an SMB share from an Ubuntu Server

Installing and configuring a Samba server

Configuring Ubuntu Server as a DHCP server

Configure Ubuntu Server as a DNS server

Setting a Netplan in Ubuntu Server 22.04

Using an OpenSSH config file

Setting an Ubuntu Server hostname

Connecting to an OpenSSH server

Configuring IP address on Ubuntu Server 20

Command line file management tools

Authenticating to an OpenSSH server using keys instead of passwords

Creating an LVM volume on Ubuntu Server