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November 28, 2014
This document describes how to install and configure Nagios in Ubuntu 14.04 Server.[he]nbsp[/he] Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.
Linux Mint 17.1 "Rebecca" Cinnamon has been released and is now available for download. The new version of the operating system features a major update for the desktop environment, along with a multitude of other upgrades.
In November 2014, the top six supercomputers all run Linux, but that's about the only thing they have in common.
Battle for Wesnoth is one of the flagship open-source games, with a huge, dedicated community and an almost unmatched feature-completeness among the open-source games.
You can interface a Raspberry Pi with Arduino components – now learn how to program them from the Pi and control robots like the Makeblock. Learning to code is one of the best things about owning a Raspberry Pi for a lot of people. Python and C are easy enough to start with on the Pi and you can get great results in a short time. When it comes to physical computing and making, though, not much beats using the Arduino IDE to control the open source controllers, servos and sensors associated with the system. Once set up, we can also use the Pi to program the Makeblock robot we reviewed in issue 142 of Linux User & Developer, using either the built-in commands or your own code.
The usage share of web browsers is dominated by a few mature applications. Chrome, Internet Explorer, Firefox, Safari and Opera account for around 95% of all desktop web browsing activity. However, there are a myriad of other web browsers that are worth investigating.
November 27, 2014
Canonical and Meizu have signed a partnership for the distribution of Ubuntu-powered phones that should arrive in the first months of 2015. The details are still sketchy, but the information about this collaboration has been confirmed.
Technologic released a fast-booting headless PC/104-expandable SBC, running Debian on a PXA16x SoC, and with a Lattice FPGA and wide temperature operation. The TS-7250-V2 SBC provides an upgrade path for customers using the circa-2004 TS-7250 or circa-2006 TS-7260 single board computers, says Technologic Systems. The PC/104 form-factor board offers a choice of the 1GHz, ARM9-based PXA-168 processor, which is also found on Technologic’s recent TS-4740 computer-on-module, or the similar, 800MHz PXA166, both part of Marvell’s Armada 100 series.
Cisco first got involved with the open-source OpenStack cloud platform in 2011 with the Bexar release and initially was focused mostly on networking. Over the last several years, Cisco's OpenStack involvement and product portfolio have grown beyond just networking. In a video interview with eWEEK, Lew Tucker, vice president and CTO of Cloud Computing at Cisco, detailed his firm's OpenStack platform efforts.
Google's Docs, Sheets, and Slides apps are a lot of things—they're fast, they're convenient, and they're available on both iOS and Android—but you couldn't call them "powerful." Even the Web versions of Google's productivity software are pretty basic compared with the feature-stuffed behemoth that is Microsoft Office, and the mobile apps are minimalist by comparison.
See how these groups are joining forces: Open Food Network, Farm Hack, Open Source Beehives, Open Source Seed Initiative, and Growstuff."He who receives ideas from me, receives instruction himself without lessening mine; as he who lights his taper at mine receives light without darkening me." —Thomas Jefferson We can't get around it, so we'll say it upfront. Food is essential to life. What's more, ensuring open access to the resources, knowledge, and land we need to feed ourselves is political. In opposition to corporate control and intellectual property, we need systems and processes which emphasize sharing and collaboration for food systems work.
Three months ago, the Electronic Frontier Foundation inaugurated a monthly tradition in which they wrote about a "Stupid Patent of the Month." The first patent they publicized was basically a description of a doctor's "computer-secretary." Since then, they've highlighted a vague software patent owned by a serial litigant, a patent on filming a yoga class, and a patent with a formula for curing cancer (a combination of "sesame seeds, green beans, coffee, meat, evening primrose seeds," among other things.)This month, EFF shines a light not on an off-the-wall lone inventor, but on a source that some may find surprising: a public research institution.
Prudence or experience by disaster can teach every sysadmin the importance of taking frequent system backups. You can do so by writing good old shell scripts, or using one (or more) of the many backup tools available for the job. Thus the more tools you become acquainted with, the better informed decisions you will make […]Continue reading...The post How to back up a Debian system using backupninja appeared first on Xmodulo.Related FAQs:How to synchronize files between two servers bidirectionally How to set up a mail server in Ubuntu or Debian How to use systemd for system administration on Debian How to create a cloud-based encrypted file system on Linux How to perform system backup with backup-manager on Linux
Jon Masters examines the latest features to land in Linux 3.17 and ongoing development toward features in Linux 3.18 and beyond. Linus Torvalds announced Linux 3.17, the Shuffling Zombie Juror, saying, “The past week was fairly calm, and so I have no qualms about releasing 3.17 on the normal schedule”. The latest kernel includes a number of nice headline features, such as the new getrandom() system call and sealed files APIs that we covered in previous issues of LU&D. Linux 3.17 also includes support for less highlighted new features, such as new signature checking of kexec()’d kernel images and sparse files on Samba file systems (which is significant for those mounting Windows and Mac shares).
One of my career iterations put me in charge of a Windows serverthat had Apache and PHP installed on it to serve as a Web server forthe corporate intranet. Although I was happy to see Apache used as theWeb server dæmon, the installation on the Windows server was the mostconfusing and horrifying mess I've ever seen.
A startup is pitching a $129-$199 “Imp” mini-PC on Indiegogo based on a quad-core Odroid-U3 SBC, with HDMI streaming and an Ubuntu/Cinnamon Linux desktop.
This guide explains how to configure an NFS server in Ubuntu 14.10 Network File System (NFS) is a popular distributed filesystem protocol that enables users to mount remote directories on their server. The system lets you leverage storage space in a different location and write onto the same space from multiple servers in an effortless manner. It, thus, works fairly well for directories that users need to access frequently.