Linux Category - Page 599 of 604 - CNX Software

November 25, 2010November 25, 2010 by Jean-Luc Aufranc (CNXSoft) - No Comments

Sharing Thunderbird Emails between Windows and Linux

I’ve used Windows XP with Linux in a virtual machine (VirtualBox) for a while. But since this proved to be very slow, I’ve just installed Ubuntu (dual boot mode) in my PC. However, I wanted to be able to use the same Thunderbird profile in both OS. So here’s how to do: After installating Ubuntu, open a terminal window and: 1. Install Thunderbird: sudo apt-get install thunderbird 2. Start Thunderbird in Profile Manager mode: thunderbird -profilemanager Then create a new profile (any name) and click on “Change folder” and point it to your Thunderbird profile in Windows (Something like: Documents and Settings\username\Application Data\Thunderbird\Profiles\abcdef.default). You may delete the default profile and start Thunderbird. You should then see all your emails and RSS feeds in Thunderbird and receive and send emails in Linux as you used to in Windows XP. Jean-Luc Aufranc (CNXSoft)Jean-Luc started CNX Software in 2010 as a part-time endeavor, […]

November 25, 2010July 17, 2012 by Jean-Luc Aufranc (CNXSoft) - No Comments

Linux Scripts to find Public IP Address

In some cases, you may need to know your public IP or the public IP of a server behind a NAT (e.g. for remote SSH login) if the IP is assigned dynamically as is the case for PPPoE connections. Here are several ways to find your public IP in Linux using the shell. 1. Using curl (almost too simple) curl -s http://www.whatismyip.org 2. Using wget wget -q -O – checkip.dyndns.org|sed -e ‘s/.*Current IP Address: //’ -e ‘s/<.*$//’ 3. Using lynx lynx -dump checkip.dyndns.org If you have access to a web browser, you can simply use http://www.whatismyip.org, http://checkip.dyndns.org or http://www.moanmyip.com. Jean-Luc Aufranc (CNXSoft)Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011. www.cnx-software.com

November 23, 2010 by Jean-Luc Aufranc (CNXSoft) - No Comments

ARM Techcon 2010 Proceedings and Presentation Slides

A lot have been covered at ARM Techcon 2010. I’ve blogged a few articles about ARM Techcon 2010, but there is a lot more to discover. A full set of documents and presentation slides shown at Techcon 2010 are available at http://vault.eetimes.com/armconference/proceedings/ The documents are divided in 2 main parts: Day 1: Chip Design Conference Day 2-3: System & Software Design Conference which are then divided into sub-directories with really (hmm) good names such as ATC-100, ATC-101… to ATC-165 so that everybody can clearly see what the subjects are. You’ll also have the Keynote and Industry addresses. Since this blog is more related to “System & Software Design” I’ve been through the pain of downloading all documents of this section and checking the subjects. You may do it for “Chip Design Conference” if you wish, I’m sure you’ll enjoy it. You’ll have one or two documents in each folder. If […]

November 23, 2010July 17, 2012 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

ARM’s Next Generation Processor: Cortex A15 with Mali T-604

This year and next, many products will use processors based on ARM core cortex A8 and A9 tied-up with Mali 400 GPU. Those processors will run between 1 and 2 GHz. Earlier this month, ARM announced their new GPU Mali-T604 that will be used with Cortex A15 @ 1 to 2.5 GHz depending on the target application. The core design is ready, silicon foundries should be able to manufacture chips by the end of 2011 and products should be available for retail end of 2012 / beginning of 2013. ARM and their customer target the following applications for Cortex A15: Advanced Smartphones (1 to 1.5 GHz single or dual-core configurations) Mobile Computing (1 to 1.5 GHz single or dual-core configurations) High-end Digital Home Entertainment (1 to 2 GHz dual-core or quad-core configurations) Wireless Infrastructure (1.5 to 2.5 GHz quad-core, octo-core or larger configurations) Low-power Servers (1.5 to 2.5 GHz quad-core […]

November 17, 2010January 26, 2020 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Nufront 2GHz ARM Cortex-A9 for Desktop, Laptop and Netbook – NuSmart 2816

Nufront (新岸线) is a high tech company based in Beijing, dedicated to wireless broadband communication and broadcast, IC design, video search and digital imaging technologies. Nufront showed off their “low-power high performance” mini-PC based on their new NuSmart 2816 chipset at ARM Techcon 2010. NuSmart 2816 is based on a dual-core Cortex-A9 @ 2GHz with Mali-400 GPU. They plan to sell the chip for around 30 USD and expect ARM-based mini-PC to sell for around 200 USD retail. You can download NuSmart 2816 Product Brief for further details. As you can see from the diagram below, NS2816 can support all features (Ethernet, Wifi, GPS, USB, I2S Audio, SATA II, MMC/SD support, VGA, HDMI or LCD video output) that are now expected in modern desktops or laptops. Video playback currently uses around 2 Watts (chip samples) and they target 1.5 Watt for video playback in the final release of their chipset […]

November 16, 2010November 18, 2010 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

ARM Based Embedded Server – Marvell ARMADA XP

A few years ago, nobody would have considered using an embedded system to run a server. But now, with the advance of technology, more and more servers are running embedded systems from the lower end such as home-based NAS (Network Access Storage) to higher-end for data-centers, cloud computing, web 2.0… This is the higher-end that Marvell targets with its Quad Core ARM ARMADA XP MV78460 running at 1.6GHz with “16,600 DMIPS performance at less than 10 watts”. Please checkout Marvell ARMADA XP Product Brief for further details. The main selling point of such solution is the power consumption compared to traditional Intel x86 based servers. According to Marvell, 50% of the cost of running a data-center is the electricity bill to run the server and especially to cool the room with air-conditioners. So let’s do a little exercise. Let’s take the estimated power consumption of Google data-center in Oregon that […]

November 12, 2010October 7, 2019 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Linaro: Embedded Linux for ARM

Linaro is a Not For Profit (NFP) engineering organisation that works on Linux based open source software and tools. The organisation focuses on the ARM platform, mainly ARM v7A architecture, for example ARM Cortex-A8 or dual-core Cortex-A9 processors and is sponsored by ARM, Freescale, IBM, Samsung, ST-Ericsson, and Texas Instruments. The purpose of Linaro is to reduce the number of different Linux kernel for the ARM platform. They plan on releasing tools and Linux kernel every 6 months. And after about 6 months of existence, with around 80 engineering staff, they managed to release their first public version: Linaro-10.11 on the 10th of November for TI OMAP4 Panda Board, IGEPv2, Freescale iMX51 and ST-E U8500 platforms. This release is based on Linux 2.6.35 kernel, GCC 4.4 toolchain and uBoot 2010.09. They released Linux 10.11 source code and tools, the hardware packs and the build instructions. Linaro also planned several technical […]

November 10, 2010November 25, 2010 by Jean-Luc Aufranc (CNXSoft) - No Comments

USB Hotplug Parameters and A Simple Linux USB Hotplug Script

USB Hotplug allows your system to detect a USB device has been inserted or removed and perform certain actions upon the USB device detection. The article below is largely inspired by http://linux-hotplug.sourceforge.net/?selected=hotplug which does not seem to work anymore. USB hotplugging involves: MODULE_DEVICE_TABLE support in the USB Device Driver API, so that a driver’s probe() routine is called only when it’s very likely to want to bind to a particular interface. USB always uses this. Support for invoking the hotplug helper (/sbin/hotplug by default) when devices are added or removed. This functionality is enabled only by CONFIG_HOTPLUG. That hotplug helper usually contacts a policy agent which handles the USB-level configuration or activation tasks appropriate to this device and the current system configuration. Boot-time configuration (“cold-plugging”) can be managed by the /etc/rc.d/init.d/hotplug startup script, if the “usbmodules” command line utility is available. (There is also a “diet hotplug” tool for use […]