When you're working at the Linux command line, you don't have to give up the multitasking flexibility you're accustomed to in a graphical user interface. Have a long-running copy operation preventing you from editing a configuration file? Send it to the background and reclaim your time! In this short course, author Scott Simpson shows you how to switch tasks to the background and bring them back to the foreground. He also demonstrates screen and tmux, two very popular utilities for creating working environments that persist between connections.

This course takes you through the basics of firewalls on Linux. Sean Colins shows you how to configure Firewalld for local protection, work with SELinux, and troubleshoot firewalls. He also covers iptables, default policies, port blocking, and port forwarding. Learn how to install GUI controls and utilities, manage zones and services, enable servers, set access controls, change ports, move files, and more.

Bash scripting can help you automate routine tasks and save valuable time, whether you're a Linux user, sys admin, or software developer. Kevin Dankwardt has written thousands of bash scripts, short and long. Here he teaches you how to read and write scripts, and provides a series of scripting challenges to help you test your new skills.

Learn the essential commands involved in Linux administration, using Ubuntu. This course starts by exploring common filesystems and installing Linux. Next, working with the files in the terminal is covered. Then, important security steps are demonstrated. After covering these basics, you'll be ready to take on the Essential Commands section of the LFCS exam.

Firewalls are integral for IT professionals who need to secure and monitor network traffic. In this course, learn how to plan for, deploy, administer, and maintain a network firewall. Sean Colins provides an overview of the role of a firewall, and how it's used to secure traffic on an organization's network. He explains how to assess and plan for your organization's needs—including planning an IPv4 scheme.

Whether you want to set up a media server, a file sharing server, remote access, or you just want to hone your Linux skills and create something useful along the way, this course has the steps you need to be able to set up and use Ubuntu Server as your solution. Ubuntu Server is a platform that can be leveraged for business or home use. This course covers hardware needs, installation steps, setting up local services, and accessing resources remotely.

Review of all the essentials you need to know about candlesticks so you are up to speed when Steve refers to them in the option strategy sections. In this module, the focus is the power of single candlestick lines.
Why Nison candlesticks and options are the perfect fit

Your online security and privacy are important, and when you don't trust the network you're using, you need to know how to protect yourself. This course examines two options you may not have considered yet: setting up a virtual private network (VPN) and using anonymous browsing software.

Capture One Pro is a powerful photo-management and raw-format conversion program. In this course, photographer Derrick Story—who uses Capture One Pro to manage his own photography business—zooms in on the photo management features of the program.

This course is designed for those who are seeking a career in DevOps by preparing you for the System Administration Using Puppet certification exam. You will learn how to manage infrastructure using Puppet Enterprise with common best practices.