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The CAT command in Linux is not only helpful in creating text files, displaying their contents, but also in merging text from two or more text files. In this tutorial, you will learn the use of the CAT command to combine text from two or more files into a single one.

If you are into programming on Linux and your work revolves around compilers, there are a handful of command line utilities that you should be aware of. One such tool is objdump.

REST services are becoming an increasingly popular architectural style for connecting modern systems with the cloud and to each other as the need for flexible APIs and microservices grows. With Apache Camel, you can write REST services easier and quicker using the REST domain-specific language (DSL). During a poster session at the Grace Hopper Celebration of Women in Computing (September 26 - 28, 2018 in Houston), we will walk audiences through developing their first Camel route using the REST DSL. read more

TrueCrypt was known as a gold standard in filesystem encryption. It was known for providing excellent encryption options, including hidden encrypted volumes. That's something the LUKS can't do. TrueCrypt has been abandoned, but it's been forked into VeraCrypt.

RetroPie users can run into a myriad of problems. Here are some of the most common problems and fixes that will help to improve Retropie performance.

Video has long been an integral part of education—back in the day, movies shown on huge reel-to-reel projectors were wheeled into classrooms to supplement teaching. read more

This guide explains how to connect your WebDAV server to ONLYOFFICE and edit and collaborate on documents online. WebDAV stands for Web-based Distributed Authoring and Versioning and is a set of extensions to the HTTP protocol that allows users to directly edit files on the Apache server so that they do not need to be downloaded/uploaded via http://FTP.

SMB built in from ChromeOS 70. At its best without passwords. Oops Google’s Chrome OS tanks crept a little further along Microsoft’s manicured Enterprise lawns with hints that Windows file share support will arrive out-of-the-box in an upcoming version of Chrome OS.…

Depending on who you ask, it's either the silliest or the most important question when it comes to coding style: tabs or spaces? When we asked you, our readers, the question last summer, spaces came out on top. That said, it's a nuanced question where things like programming language, editor, and project style all should play a role. read more

Sometimes kernel developers find themselves competing with each other to get their version of a particular feature into the kernel. But sometimes developers discover they've been working along very similar lines, and the only reason they hadn't been working together was that they just didn't know each other existed.

When getting started with Vim, users face a steep learning curve. It’s true the software is simple. It’s simple in the sense that its minimal interface focuses the user on their main task. But Vim is very powerful. To learn how to use Vim and master that power, we recommend the following free books. Each book is released under an open source license, just like Vim.

News briefs for September 12, 2018.

In this tutorial we will show you two different methods on how to install MariaDB on your Debian 9 machine. The first method will walk you through the steps necessary to install MariaDB from the Debian repositories while the second one will teach you how to install the latest version of MariaDB from the official MariaDB repositories.

Vamrs has begun shipping the “Rock960” — the first 96Boards SBC based on the hexa-core Rockchip RK3399. The community-backed SBC sells for $99 (2GB/16GB) or $139 (4GB/32GB). Shortly before Shenzhen-based Vamrs Limited launched a Rockchip RK3399 Sapphire SBC in Nov. 2017, the company announced a similarly open-spec Rock960 SBC that uses the same Rockchip RK3399 […]

Character encoding is a big topic and this post isn't going to cover it all. In fact, I'm only going to deal with one particular problem — what to do when you're converting a file with the iconv utility and you get a error message .......How to get around the "illegal input sequence" roadblock.

The Ansible Tower IT automation platform is being extended by Red Hat with new scalability improvements and enhanced customization options.

We all have our preferences when it comes to the application we want to use for opening and working with a certain file type. In Ubuntu, you can change your default applications both through the command line and the graphical user interface through the simple steps described in this tutorial.

Prometheus is an open source monitoring and alerting toolkit for containers and microservices. The project is a hit with lots of different organizations regardless of their size or industrial sector. The toolkit is highly customizable and designed to deliver rich metrics without creating a drag on system performance. Based on the organizations that have adopted it, Prometheus has become the mainstream, open source monitoring tool of choice for those that lean heavily on containers and microservices. read more

Apache Subversion or SVN is open source versioning and revision control software. In this article, we show you how to set up Apache Subversion on the latest CentOS 7 server. We install and configure the svn software with Apache as web server, secure it with Let's encrypt and activate "Basic Authentication" for users.

Due to more and more network access needed in most of the distributed applications today, the restrictions which need to be applied for network access and monitoring has only increased. In this lesson, we will study the ten most popular Network Tools for Ubuntu OS which can be used to monitor network usage with visualization as well.