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While the bzip2 command line utility can be used to compress files, there are many other tools that let you perform basic tasks - like comparing such files - without the need to uncompress them. Here, in this tutorial, we will discuss the basics of bzcmp, bzdiff, bzmore, bzless, and bzgrep commands using some easy to understand examples.

At the base of the testing pyramid are unit tests. Unit tests test one unit of code at a time—usually one function or method. Often, a single unit test is designed to test one particular flow through a function, or a specific branch choice. This enables easy mapping of a unit test that fails and the bug that made it fail. Ideally, unit tests use few or no external resources, isolating them and making them faster. read more

Microservices are gaining in popularity and providing new ways for tech companies to improve their services for end users. But what impact does the shift to microservices have on team culture and morale? What issues should CTOs, developers, and project managers consider when the best technological choice is a move to microservices? Below you’ll find key advice and insight from CTOs and project leads as they reflect on their experiences with team culture and microservices. read more

News briefs for August 8, 2018.

These work for anyone else who wants a top-notch laptop. Some people still think you need a Windows PC or an Apple device for school. That's so not true. But you don't have to take my word for it. By FutureSource's count, 59.6 percent of K-12 schools bought Chromebooks in 2017. You should too.

Effective management of your to-do list can do wonders for your productivity. Some prefer just keeping a to-do list in a text file, or even just using a notepad and pen. For users that want more out of their to-do list, they often turn to an application. In this article we highlight 4 graphical applications […]

InvoicePlane is a free, open source and self-hosted application for managing your invoices, clients and payments. In this tutorial, we will explain how to install InvoicePlane on Ubuntu 18.04 LTS (Bionic Beaver).

In an earlier article, the crew from French non-profit Framasoft discussed their mission to help people slip the bonds of internet giants and take control of their own data. While promoting free and open source software is at the core of Framasoft's mission, the group is also dedicated to educating people about both free software and free culture. What's refreshing is that the group's approach isn't steeped in ideology. read more

Strongswan is an open source multiplatform IPSec implementation. It's an IPSec-based VPN solution that focuses on strong authentication mechanisms. In this tutorial, I will show you how to install an IPSec VPN server using Strongswan. We will create an IKEv2 VPN server with the 'EAP-MSCHAPv2' authentication and be using Letsencrypt certificates on CentOS 7 server.

Gaming has traditionally been one of Linux's weak points. That has changed somewhat in recent years thanks to Steam, GOG, and other efforts to bring commercial games to multiple operating systems, but those games are often not open source. Sure, the games can be played on an open source operating system, but that is not good enough for an open source purist. read more

There's an ongoing series of skirmishes between corporations who want to sell products that users don't fully control and the kernel developers who want users to be the highest authority. Sometimes these skirmishes manifest in the form of security patches intended to lock down the kernel. Do they lock down the kernel against outside attackers? Or do they lock down the kernel against change from anyone at all, including the user who owns the device?

Despite year-round schools and education of all types and stripes—from open courses and textbooks to online learning—this is a good time of year to consider new, innovative learning solutions. From software to hardware, we've got you covered with a list of books recommended by our writer community at Opensource.com.  read more

July was a hot month for certification on Linux.com. In case you missed it, we covered the open source certification process in a series of articles examining why certification is important, general tips for success, specific advice for exam prep, and answers to some commonly asked questions. Learn more and check out this year's LiFT scholarship opportunities as well.

The internet today is often like being on a guided tour bus in an unfamiliar city. You end up getting off at the same places that everyone else does. With the latest Firefox experiment, Advance, you can explore more of the web efficiently, with real-time recommendations based on your current page and your most recent web history.

Will a cellular booster help me stay connected on my epic working road trip? I'm a Linux geek, and I think I safely can assume everyone reading an article in Linux Journal identifies themselves as Linux geeks as well.

News briefs for August 7, 2018.

Suricata is an IDS / IPS capable of using Emerging Threats and VRT rule sets like Snort and Sagan. This tutorial shows the installation and configuration on an Ubuntu 18.04 (Bionic Beaver) server.

Ntopng is a free and open source software for monitoring network traffic that provides a web interface for real-time network monitoring. In this tutorial, we will learn how to install Ntopng on Ubuntu 18.04 LTS server.

Robin Dreeke's The Code of Trust is a helpful guide to developing trustful relationships, and it's particularly useful to people working in open organizations (where trust is fundamental to any kind of work). As its title implies, Dreeke's book presents a "code" or set of principles people can follow when attempting to establish trust. I explained those in the first installment of this review. read more

Akademy 2018 is less than a week away. Apart from meeting up again with friends and colleagues, the KDE community has another reason to be joyful...