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Gah, so frustrating! Ten years ago I wrote a rather popular book called Wicked Cool Shell Scripts, and I'm working on a new edition—a Tenth Anniversary release. There are lots of new scripts, entirely new chapters and updates to the older stuff.

On-screen virtual keyboard is an alternative input method that can replace a real hardware keyboard. Virtual keyboard may be a necessity in various cases. For example, your hardware keyboard is broken; you do not have enough keyboards for extra machines; your hardware does not have an available port left to connect a keyboard; you are […]Continue reading... The post How to use on-screen virtual keyboard on Linux appeared first on Xmodulo. Related FAQs: How to disable touchpad on Debian or Ubuntu Desktop How to take a screenshot while desktop menu is open on Ubuntu How to enable Korean language input keyboard on Ubuntu How to simulate key press and mouse movement in Linux How to install and configure Nvidia Optimus driver on Ubuntu

How to install Tomcat on CentOS 7 This document describes how to install Tomcat in CentOS 7.0. Apache Tomcat (or simply Tomcat, formerly also Jakarta Tomcat) is an open source web server and servlet container developed by the Apache Software Foundation (ASF). Tomcat implements the Java Servlet and the JavaServer Pages (JSP) specifications from Sun Microsystems, and provides a "pure Java" HTTP web server environment for Java code to run in. Apache Tomcat powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations. Some of these users and their stories are listed on the PoweredBy wiki page.

Over on Gordon Haff's blog, Connections, the senior cloud evangelist for Red Hat talked with Simon Phipps, the president of the Open Source Initiative about U.S. software patent cases and the United Kingdom's decision to make ODF its official document format. Lucky for us, they recorded their chat. Download it here and listen later. Or, keep reading, we have the transcript. read more

The offer was too good to be true. Three whole weeks at the NASA Glenn Research Center and an invitation to come back. I could scarcely believe it when I read the email. I immediately forwarded it to my parents with an addition of around 200 exclamation points. They were all for it, so I responded to my contact, Herb Schilling, with a resounding “YES!” read more

It's back to school for many kids in the United States, and soon to be so for many others around the world. While open source software and hardware are used less often to teach kids in grade school about the world, open principles are. They are what you might think of as the most natural methods of teaching. And, they are what we call the open source way. read more

How to recover data from an encrypted harddisk on boot failure with Ubuntu 14.04 This document describes how to recover an encrypted harddisk in a failed boot device for Ubuntu 14.04 Server. This method will work for Ubuntu Desktop also. This is a very havoc situation when the distro fails to boot and we have our important data inside the distro. If the harddisk is not encrypted then we can easily retrieve our data with the help of live-cds or live-USB boot devices, but if the harddisk was encrypted then situation becomes little hectic. I will cover the topic for encrypted harddisk data retrieval from Ubuntu distros.

LAMP is a software stack composed of Linux (an operating system as a base layer), Apache (a web server that "sits on top" of the OS), MySQL (or MariaDB, as a relational database management system), and finally PHP (a server-side scripting language that is used to process and display information stored in the database). In […]Continue reading... The post How to secure a LAMP server on CentOS or RHEL appeared first on Xmodulo. Related FAQs: How to install LAMP server on Ubuntu How to install and configure Cacti on Linux How to set up MailScanner, Clam Antivirus and SpamAssassin in CentOS mail server How to set up a transparent HTTPS filtering proxy on CentOS How to monitor failed ssh login attempts on CentOS

Vibrations and wave motions describe many different physical systems. In fact, most systems that dissipate energy do so through waves of one form or another. In this article, I take a look at gvb (Good ViBrations, a Linux application you can use to visualize and model wave motion and vibrations.

A home-grown "China operating system" (COS) to challenge rivals such as Microsoft, Google and Apple could be available as soon as October 2014, the country’s state-run Xinhua News Agency has said.

A top US intelligence agency has built its own secret "Google-like" search engine for about two dozen government agencies to search information through more than 850 billion communications records, including phone calls, emails and internet chats, a media report has said.

LinuxCon 2014 Matthew Miller is a little concerned. As the new project leader for the Fedora Linux distribution, he thinks Fedora 20 is great and Fedora 21, when it ships, will be the best release ever. But he worries that to everyone else, Fedora – and Linux distros in general – are getting a little, well … boring.…

Interested in keeping track of what's happening in the open source cloud? Opensource.com is your source for what's happening right now in OpenStack, the open source cloud infrastructure project.

We are happy to announce that Intex Technologies just introduced the Cloud FX as the first Firefox OS smartphone available in India. Intex will offer the Cloud FX exclusively on Snapdeal.com to give their customers a powerful and customizable smartphone .

Doesn't much like Apple or Google, either The world's about to get a new operating system, if reports out of China are correct: the Middle Kingdom hopes to kick off its own operating system in October 2014.…

If it hasn't been made clear enough in recent months that China would love nothing more than to cut down on its reliance to American technology companies, its just-announced decision to create its own operating system should remedy that. It seems very likely that China's OS would use Linux as a base, since there's little point in reinventing the wheel, and because of its open-source nature, the country would have complete control over the code.

Discover Rust, the systems programming language developed by Mozilla that’s fast, and wants to be better than C and C++!

Despite the fact that Linux supplier Red Hat has got off to a slow start this year, things are going to improve for the organization. Red Hat as of late posted robust results, outperforming estimates in a sluggish quarter, and saw positive arrangement action. The organization has recovered its score, and is reporting solid development despite rivalry from Microsoft and Oracle.

Every week, I tally the numbers and listen to the buzz to bring you the best of last week's open source news and stories on Opensource.com. read more

It appears that might very well be the case following the European Telecommunications Standards Institute (ETSI) Network Functions Virtualization (NFV) Industry Specifications Group’s decision to move forward with an open source project designed to meet that end. The group hopes that open source solutions can be leveraged to provide businesses with the interoperability in their data centers that previously resulted from standardization.