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Network Security Devices
Common Types of Network Attacks
OSPF Designated Routers
The OSPF Protocol
First steps to secure your Ubuntu Server
Installing MariaDB on an Ubuntu Server
Backing up data on an Ubuntu Server using rsync
Installing and configuring a Samba server
Configuring Ubuntu Server as a DHCP server
Setting a Netplan in Ubuntu Server 22.04
Setting an Ubuntu Server hostname
Connecting to an OpenSSH server
Command line file management tools
Authenticating to an OpenSSH server using keys instead of passwords
Auto-mounting a volume on Ubuntu Server
Scheduling tasks on an Ubuntu Server
Viewing and managing processes on Ubuntu Server
Working with background jobs in Ubuntu Server
Intro to BASH scripting
Viewing log files in Ubuntu Server
Managing software with snap
Managing file permissions and ownership in Ubuntu Server
Granting sudo access in Ubuntu Server
Default configurations and files with etcskel
Formatting custom columns in PowerShell
Sorting objects in PowerShell
Connecting PowerShell commands
Exporting data from PowerShell
Comparing data in PowerShell
Working with PowerShell aliases
PowerShell script execution policies
Installing PowerShell 7 on Windows
Installing PowerShell 7 on Ubuntu
Using constraints in MySQL
Querying the INFORMATION_SCHEMA in MySQL
Creating indexes in MySQL
Creating and granting permission to MySQL users
Creating and working with views in MySQL
Updating data in a MySQL database
Moving data from an existing table into a new table in MySQL
Changing a tables structure in MySQL
Changing a value in a column to null in MySQL
Explicit transactions in MySQL
Creating a table in MySQL
Adding new rows to a table in MySQL
Using JOINs in MySQL
Using the ANY and ALL operators in MySQL
Using set operations in MySQL
Creating a self-join in MySQL
Pulling data from more than two tables in MySQL