News & Tutorials

GPT disk partitioning guide for Chakra 2011.4

GPT disk partitioning guide for Chakra 2011.4

GPT is an alternate disk partition table scheme that solves two issues associated with the MBR partition table scheme. It allows the configuration of more than four primary partitions, the maximum supported by MBR, and it also supports disk partitions of more than 2 TB. Chakra, an Arch Linux-based distribution, is the only Linux distribution reviewed on this site that […]

Guest session and user management in kubuntu 11.04

Guest session and user management in kubuntu 11.04

Managing users on Linux is one of the very first tasks that new users want to know how to accomplish. In Kubuntu 11.04, the graphical user management tool has all the features expected on such an application. For those new to Kubuntu, and who might need some hand-holding in creating and managing users, this article presents a step-by-guide. The User […]

Install Ubuntu 11.04 on external hard disk

Install Ubuntu 11.04 on external hard disk

Installing Ubuntu 11.04 or any other distribution on an external hard drive connected to a computer via USB is about the same as the method used to install it on an internal hard disk. Your choice of external disk to use are many, but the one I used for this tutorial is a 2.5′ hard disk that I put in […]

How to dual-boot Windows 7 and Ubuntu 11.04

How to dual-boot Windows 7 and Ubuntu 11.04

For those Windows users who have discovered what Linux has to offer, but for one reason or another are not ready to completely abandon Windows, dual-booting between the two operating systems is one method of keeping a foot in both worlds. And to help those users, this article presents a step-by-step guide on how to configure dual-booting between Windows 7 […]

Android Open Accessories

Android’s USB port has in the past been curiously inaccessible to programmers. Last week at Google I/O we announced the Android Open Accessory APIs for Android. These APIs allow USB accessories to connect to Android devices running Android 3.1 or Android 2.3.4 without special licensing or fees. The new “accessory mode” does not require the Android device to support USB […]

Yum in Redhat Enterprise Linux 6.1

Editor: This post is by James Antill. It looks at yum, the command line tool for managing applications on certain RPM-based Linux distributions like Redhat Enterprise Linux and Fedora. Time to look at a few features of yum in RHEL-6.1 now that it’s released: Search is more user-friendly – As we maintain yum we are always looking for the “minor” […]

Systemd for Developers

Systemd not only brings improvements for administrators and users, it also brings a (small) number of new APIs with it. In this blog story (which might become the first of a series) I hope to shed some light on one of the most important new APIs in systemd: Socket Activation – In the original blog story about systemd I tried […]

Hardware Encryption Developed for New Computer Memory Technology

Security concerns are one of the key obstacles to the adoption of new non-volatile main memory (NVMM) technology in next-generation computers, which would improve computer start times and boost memory capacity. But now researchers from North Carolina State University have developed new encryption hardware for use with NVMM to protect personal information and other data. NVMM technologies, such as phase-change […]

Android Vulnerability: Use Precaution on Public WiFi

Yesterday, researchers from Germany’s University of Ulm reported that some Android applications transmit sensitive authentication data without properly securing it, making people vulnerable to having their private data (e.g. Calendar Contacts, Pictures) accessed by an attacker. When a vulnerable device transmits its authentication data, an attacker can eavesdrop and view transmitted data if you are connected to a public WiFi […]

Top 10 upcoming Android tablets

Contrary to popular belief, the iPad 2 isn’t the only tablet computer in the world. Yes, it is rather wonderful, and the game support is staggering, but there are still some niggling issues that take the shine off the supremely shiny device. Consider the bizarre lack of Flash support, which creates a distinctly web 1.0 browsing experience, or the upscaled […]

Manual disk partitioning guide for Kubuntu 11.04

Manual disk partitioning guide for Kubuntu 11.04

Like the Ubuntu 11.04 installer, the Kubuntu 11.04 installation program configures just two partitions by default. These are for /, the root directory, and Swap, disk space for use as virtual memory. To make upgrades less tasking, it is recommended that a separate partition be created for /home, the directory where your home folder will be located. This article presents […]

Astaro has been acquired by Sophos

Astaro, the German company behind the suite of Linux-based network and host-based security applications and devices, has been acquired by Sophos, a UK-based provider of enterprise network and endpoint security solutions. An email to that effect was sent to Astaro’s users and partners today. Excerpts from the email reads: Dear Astaro Customers and Users, In 2009 we began to expand […]

10 Reasons for Developers to Love HP webOS

There comes a time in a Linux-loving geek’s life when he or she needs a new challenge. Making desktop apps isn’t hacking it anymore and building yet-another-website seems passe. If you want to jump into the world of mobile, here are a few reasons why HP webOS is the platform for you. 1: It’s free – There’s no cost to […]

U.S. To Introduce Draconian Anti-Piracy Censorship Bill

The U.S. Government is determined to put an end to online piracy. In an attempt to give copyright holders and the authorities all the tools required to disable access to so-called rogue sites, lawmakers will soon introduce the PROTECT IP Act. Through domain seizures, ISP blockades, search engine censorship, and cutting funding of allegedly copyright infringing websites, the bill takes […]

How to install Ubuntu 11.04 on an encrypted LVM file system

How to install Ubuntu 11.04 on an encrypted LVM file system

Ubuntu is one of many Linux distributions with support for LVM, the Linux Logical Volume Manager. LVM is a disk partitioning scheme that brings a level of flexibility to disk management that is not possible with the traditional method. With LVM, you can, if necessary, increase the size of a partition online, that is, while the system is running, without […]

Why security standards are Critical for the Cloud

Everyone loves standards, right? When is the last time you heard a vendor proudly say that their product or service was closed and proprietary? However, it also seems that every time a new IT architecture sweeps through the market, this time one based on cloud models, the lessons of the critical value of standards needs to be relearned. While it […]

Home directory and full disk encryption in Ubuntu 11.04

Home directory and full disk encryption in Ubuntu 11.04

Disk encryption is one of several security features built into the Linux kernel that you may use to enhance the physical security rating and posture of a Linux installation. Disk encryption used to be widely recommended for notebook computers, and the reason is such mobile computers are more likely to be stolen than a desktop or server in a home […]

Why We Need An Open Wireless Movement

If you sometimes find yourself needing an open wireless network in order to check your email from a car, a street corner, or a park, you may have noticed that they’re getting harder to find. Stories like the one over the weekend about a bunch of police breaking down an innocent man’s door because he happened to leave his network […]

How to install Ubuntu 11.04 on a btrfs file system

How to install Ubuntu 11.04 on a btrfs file system

The default journaling file system on non-boot partitions on Ubuntu 11.04 is ext4. Other journaling file systems supported are ext3, xfs, jfs, reiserfs, and btrfs. The journaling file system of interest in this article is btrfs, the B-Tree File System. Btrfs is an ongoing attempt to create a ZFS-like file system for Linux. It is still a long way from […]

Manual disk partitioning guide for Ubuntu 11.04

Manual disk partitioning guide for Ubuntu 11.04

Advanced or manual disk partitioning is available for those that want to create a custom set of partitions for installing Ubuntu 11.04. For whatever reason or reasons you choose to use the advanced disk partitioning tool, this article gives a step by step guide, with detailed explanations, on how to do it. This tutorial assumes that you are going to […]