Direct Download O'Reilly - Learning Path Securing Your Ubuntu Server

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O'Reilly - Learning Path  Securing Your Ubuntu Server
O'Reilly - Learning Path: Securing Your Ubuntu Server
English | Size: 2.15 GB
Genre: eLearning


What is this learning path about, and why is it important?
Since its inception, the Linux operating system has enjoyed tremendous popularity and an ever increasing installed base. One of the reasons for its success is because, out of the box, most Linux servers offer a fairly stable and secure environment. Ubuntu, which was released in 2004, has demonstrated itself to be among one of the more secure of the Linux distributions, owing to its built-in enterprise-grade security structure. But today, attackers are becoming ever more sophisticated in their attempts to penetrate your digital assets and steal valuable data, so it's always a good idea to take whatever steps you can to further secure that data residing on your Ubuntu servers.
In this learning path, host and prolific technology writer Jack Wallen introduces you to some of the basic and necessary steps for hardening an Ubuntu server. You'll see how to set up secure shared memory, use and enforce strong passwords, enable automatic security updates, configure two-factor authentication, and encrypt directories by using ecryptfs. You'll also learn why you should adopt the philosophy of installing only what you need on your Ubuntu server, limiting the applications and daemons running in the background and thus reducing your attack surface. If you're an entry- to intermediate-level system administrator or engineer, by following the steps explained in this tutorial, you can make your Ubuntu server considerably more secure.
What you'll learn-and how you can apply it
How to enable secure shared memory to prevent an attack against a running service on your Ubuntu Server
Enable SSH login for specific users to prevent unauthorized access via secure shell
Add a security login banner to serve as a warning to unwanted users
Use and enforce strong passwords to prevent users from making use of weak passwords
How to encrypt directories with ecryptfs to aid in the protection of your data
How to enable automatic security updates, to keep you from missing crucial patches
How to install only what you want, so there aren't extraneous daemons and applications running in the background that can be exploited
How to enable two-factor authentication for your Ubuntu server to prevent unwanted users from logging in
This learning path is for you because.
You're a security engineer or a system administrator who needs to roll out an Ubuntu-based server and want to make it as secure as possible
You're debating whether a Linux server is the right fit for you and your company and want to learn if there are steps you can take to better secure it
You're a new administrator or security professional (or a student) and you want to see how easy it is to manage the security of an Ubuntu server
Prerequisites:
You should have a basic understanding of Linux and general security principles
You should know how to use the command line
You should have access to a user with root privileges



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