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• Round-up: Embedded Java posts and videos

  - by terrencebarr

  I’ve been collecting links to some interesting blog posts and videos related to embedded Java over the last couple of weeks. Passing  these on here: Freescale blog – The Embedded Beat: “Let’s make it real – Internet of Things” Simon Ritter’s blog: “Mind Reading with Raspberry Pi” NightHacking with Steve Chin and Terrence Barr: “Java in the Internet of Things” NightHacking with Steve Chin and Alderan Robotics: “The NAO Robot” Java Magazine: “Getting Started with Java SE for embedded devices on Raspberry Pi” OTN video interview: “Java at ARM TechCon” OPN Techtalk with MX Entertainment: “Using Java and MX’s GrinXML Framework to build Blu-ray Disc and media applications” Oracle PartnerNetwork Blog: “M2M Architecture: Machine to Machine – The Internet of Things – It’s all about the Data” YouTube Java Channel: “Understanding the JVM and Low Latency Applications” Cheers, – Terrence Filed under: Mobile & Embedded Tagged: blog, iot, Java, Java Embedded, Raspberry Pi, video

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• Round-up: Embedded Java posts and videos

  - by terrencebarr

  I’ve been collecting links to some interesting blog posts and videos related to embedded Java over the last couple of weeks. Passing  these on here: Freescale blog – The Embedded Beat: “Let’s make it real – Internet of Things” Simon Ritter’s blog: “Mind Reading with Raspberry Pi” NightHacking with Steve Chin and Terrence Barr: “Java in the Internet of Things” NightHacking with Steve Chin and Alderan Robotics: “The NAO Robot” Java Magazine: “Getting Started with Java SE for embedded devices on Raspberry Pi” OTN video interview: “Java at ARM TechCon” OPN Techtalk with MX Entertainment: “Using Java and MX’s GrinXML Framework to build Blu-ray Disc and media applications” Oracle PartnerNetwork Blog: “M2M Architecture: Machine to Machine – The Internet of Things – It’s all about the Data” YouTube Java Channel: “Understanding the JVM and Low Latency Applications” Cheers, – Terrence Filed under: Mobile & Embedded Tagged: blog, iot, Java, Java Embedded, Raspberry Pi, video

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• Why are my videos playing speeded up with no audio, but work fine if I log in as a guest?

  - by Martins Kruze

  Since the start of this week I have been experiencing a glitch in the multimedia on my Samsung R518 laptop. I have 2 problems: Videos in every player are speeded up around 2 or 4 times (including youtube.com (both HTML5 and flash variants), any other video on the web and videos on my laptop played by Totem Media Player), exception is VLC player, but 2nd problem does concern even that. There is no sound - simple as that (with or without headphones plugged in). These all problems are now, and has not seen before, I upgraded to Ubuntu 10.10 after it was possible, and from start I didn't have anything from this - it just started in this week. I haven't even putted new software in. I have more or less solved the question (kind of) - I just logged in as a guest - and it all works, but when I make a new user - it does not. Please help me. Some stats below: sudo lshw -c sound *-multimedia description: Audio device product: RV710/730 vendor: ATI Technologies Inc physical id: 0.1 bus info: pci@0000:01:00.1 version: 00 width: 32 bits clock: 33MHz capabilities: pm pciexpress msi bus_master cap_list configuration: driver=HDA Intel latency=0 resources: irq:48 memory:cfeec000-cfeeffff *-multimedia description: Audio device product: 82801I (ICH9 Family) HD Audio Controller vendor: Intel Corporation physical id: 1b bus info: pci@0000:00:1b.0 version: 03 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=HDA Intel latency=0 resources: irq:47 memory:fc200000-fc203fff sudo lshw -c video *-display description: VGA compatible controller product: M92 LP [Mobility Radeon HD 4300 Series] vendor: ATI Technologies Inc physical id: 0 bus info: pci@0000:01:00.0 version: 00 width: 32 bits clock: 33MHz capabilities: pm pciexpress msi vga_controller bus_master cap_list rom configuration: driver=radeon latency=0 resources: irq:46 memory:d0000000-dfffffff ioport:2000(size=256) memory:cfef0000-cfefffff memory:cfe00000-cfe1ffff

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• Display Problems running Ubuntu 12.04 in Windows VMware Player

  - by Alex Reynolds

  I am posting this again because I have changed to VMWare Player and I discovered something new. I am running Ubuntu 12.04 LTS (Guest) in VMWare Player 6.0.2 on Windows 7 64-bit Host. I have VMWare Tools installed properly. I am running MATE but the problem persists when I change (to and from) xfce, gnome, mate a-- and back again I had been using this for a couple of years without any graphics issues. After an Ubuntu update (typical) -- my video is corrupt and will not refresh correctly. My desktop icons are "mirrored" and when I open a terminal window (for instance) -- sometimes -- the window appears multiple times. Of course, only one is the real image. It seems to be a refresh problem. When I move an active window around the screen the "older" images "erase" and my icons (for instance) are in the correct location. For instance, I can move the terminal around a pretty corrupted window and the screen behind it is repainted correctly. NEW: Next, I got the idea to try and Remote Desktop in to the Ubuntu 12.04 LTS Guest OS from my Windows 7 64-bit Host. Once working, and connected via Win RDC -- using MATE as default in my /etc/xrdp/startws.sh -- my video is not corrupted and works fine (as in the past). Any ideas about what is going on ? or how to fix this ?

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• Can't log in to GNOME after upgrade (raring -> saucy)

  - by x-yuri

  I've just upgraded my ubuntu (raring to saucy) and I now can't log in to GNOME. As opposed to virtual consoles (Ctrl-Alt-F1, for example). I set it up to log in automatically. But it asks for password now. I type in the password, press Enter, the screen blinks and here I am again at the login screen. Then I looked into /var/log/Xorg.0.log: [ 33.956] Initializing built-in extension DRI2 [ 33.956] (II) LoadModule: "glx" [ 33.956] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so [ 33.956] (II) Module glx: vendor="X.Org Foundation" [ 33.956] compiled for 1.14.3, module version = 1.0.0 [ 33.956] ABI class: X.Org Server Extension, version 7.0 [ 33.956] (==) AIGLX enabled [ 33.956] Loading extension GLX [ 33.956] (==) Matched fglrx as autoconfigured driver 0 [ 33.956] (==) Matched ati as autoconfigured driver 1 [ 33.956] (==) Matched fglrx as autoconfigured driver 2 [ 33.956] (==) Matched ati as autoconfigured driver 3 [ 33.956] (==) Matched vesa as autoconfigured driver 4 [ 33.956] (==) Matched modesetting as autoconfigured driver 5 [ 33.956] (==) Matched fbdev as autoconfigured driver 6 [ 33.956] (==) Assigned the driver to the xf86ConfigLayout [ 33.956] (II) LoadModule: "fglrx" [ 33.957] (WW) Warning, couldn't open module fglrx [ 33.957] (II) UnloadModule: "fglrx" [ 33.957] (II) Unloading fglrx [ 33.957] (EE) Failed to load module "fglrx" (module does not exist, 0) [ 33.957] (II) LoadModule: "ati" [ 33.957] (WW) Warning, couldn't open module ati [ 33.957] (II) UnloadModule: "ati" [ 33.957] (II) Unloading ati [ 33.957] (EE) Failed to load module "ati" (module does not exist, 0) [ 33.957] (II) LoadModule: "vesa" [ 33.957] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so [ 33.957] (II) Module vesa: vendor="X.Org Foundation" [ 33.957] compiled for 1.14.1, module version = 2.3.2 [ 33.957] Module class: X.Org Video Driver [ 33.957] ABI class: X.Org Video Driver, version 14.1 [ 33.957] (II) LoadModule: "modesetting" [ 33.957] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so [ 33.957] (II) Module modesetting: vendor="X.Org Foundation" [ 33.957] compiled for 1.14.1, module version = 0.8.0 [ 33.957] Module class: X.Org Video Driver [ 33.957] ABI class: X.Org Video Driver, version 14.1 [ 33.957] (II) LoadModule: "fbdev" [ 33.957] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so [ 33.958] (II) Module fbdev: vendor="X.Org Foundation" [ 33.958] compiled for 1.14.1, module version = 0.4.3 [ 33.958] Module class: X.Org Video Driver [ 33.958] ABI class: X.Org Video Driver, version 14.1 [ 33.958] (==) Matched fglrx as autoconfigured driver 0 [ 33.958] (==) Matched ati as autoconfigured driver 1 [ 33.958] (==) Matched fglrx as autoconfigured driver 2 [ 33.958] (==) Matched ati as autoconfigured driver 3 [ 33.958] (==) Matched vesa as autoconfigured driver 4 [ 33.958] (==) Matched modesetting as autoconfigured driver 5 [ 33.958] (==) Matched fbdev as autoconfigured driver 6 [ 33.958] (==) Assigned the driver to the xf86ConfigLayout [ 33.958] (II) LoadModule: "fglrx" [ 33.958] (WW) Warning, couldn't open module fglrx [ 33.958] (II) UnloadModule: "fglrx" [ 33.958] (II) Unloading fglrx [ 33.958] (EE) Failed to load module "fglrx" (module does not exist, 0) [ 33.958] (II) LoadModule: "ati" [ 33.958] (WW) Warning, couldn't open module ati [ 33.958] (II) UnloadModule: "ati" [ 33.958] (II) Unloading ati [ 33.958] (EE) Failed to load module "ati" (module does not exist, 0) [ 33.958] (II) LoadModule: "vesa" [ 33.958] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so [ 33.958] (II) Module vesa: vendor="X.Org Foundation" [ 33.958] compiled for 1.14.1, module version = 2.3.2 [ 33.958] Module class: X.Org Video Driver [ 33.958] ABI class: X.Org Video Driver, version 14.1 [ 33.958] (II) UnloadModule: "vesa" [ 33.958] (II) Unloading vesa [ 33.958] (II) Failed to load module "vesa" (already loaded, 0) [ 33.958] (II) LoadModule: "modesetting" [ 33.959] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so [ 33.959] (II) Module modesetting: vendor="X.Org Foundation" [ 33.959] compiled for 1.14.1, module version = 0.8.0 [ 33.959] Module class: X.Org Video Driver [ 33.959] ABI class: X.Org Video Driver, version 14.1 [ 33.959] (II) UnloadModule: "modesetting" [ 33.959] (II) Unloading modesetting [ 33.959] (II) Failed to load module "modesetting" (already loaded, 0) [ 33.959] (II) LoadModule: "fbdev" [ 33.959] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so [ 33.959] (II) Module fbdev: vendor="X.Org Foundation" [ 33.959] compiled for 1.14.1, module version = 0.4.3 [ 33.959] Module class: X.Org Video Driver [ 33.959] ABI class: X.Org Video Driver, version 14.1 [ 33.959] (II) UnloadModule: "fbdev" [ 33.959] (II) Unloading fbdev [ 33.959] (II) Failed to load module "fbdev" (already loaded, 0) [ 33.959] (II) VESA: driver for VESA chipsets: vesa [ 33.959] (II) modesetting: Driver for Modesetting Kernel Drivers: kms [ 33.959] (II) FBDEV: driver for framebuffer: fbdev [ 33.959] (++) using VT number 7 If I install fglrx, it reads: [ 37.152] Initializing built-in extension DRI2 [ 37.152] (II) LoadModule: "glx" [ 37.152] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/extensions/libglx.so [ 37.152] (II) Module glx: vendor="Advanced Micro Devices, Inc." [ 37.152] compiled for 6.9.0, module version = 1.0.0 [ 37.152] Loading extension GLX [ 37.153] (==) Matched fglrx as autoconfigured driver 0 [ 37.153] (==) Matched ati as autoconfigured driver 1 [ 37.153] (==) Matched vesa as autoconfigured driver 2 [ 37.153] (==) Matched modesetting as autoconfigured driver 3 [ 37.153] (==) Matched fbdev as autoconfigured driver 4 [ 37.153] (==) Assigned the driver to the xf86ConfigLayout [ 37.153] (II) LoadModule: "fglrx" [ 37.153] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/drivers/fglrx_drv.so [ 37.168] (II) Module fglrx: vendor="FireGL - AMD Technologies Inc." [ 37.168] compiled for 1.4.99.906, module version = 13.10.10 [ 37.168] Module class: X.Org Video Driver [ 37.168] (II) Loading sub module "fglrxdrm" [ 37.168] (II) LoadModule: "fglrxdrm" [ 37.168] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/linux/libfglrxdrm.so [ 37.169] (II) Module fglrxdrm: vendor="FireGL - AMD Technologies Inc." [ 37.169] compiled for 1.4.99.906, module version = 13.10.10 [ 37.169] (II) LoadModule: "ati" [ 37.169] (WW) Warning, couldn't open module ati [ 37.169] (II) UnloadModule: "ati" [ 37.169] (II) Unloading ati [ 37.169] (EE) Failed to load module "ati" (module does not exist, 0) [ 37.169] (II) LoadModule: "vesa" [ 37.169] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so [ 37.169] (II) Module vesa: vendor="X.Org Foundation" [ 37.169] compiled for 1.14.1, module version = 2.3.2 [ 37.169] Module class: X.Org Video Driver [ 37.169] ABI class: X.Org Video Driver, version 14.1 [ 37.169] (II) LoadModule: "modesetting" [ 37.170] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so [ 37.170] (II) Module modesetting: vendor="X.Org Foundation" [ 37.170] compiled for 1.14.1, module version = 0.8.0 [ 37.170] Module class: X.Org Video Driver [ 37.170] ABI class: X.Org Video Driver, version 14.1 [ 37.170] (II) LoadModule: "fbdev" [ 37.170] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so [ 37.170] (II) Module fbdev: vendor="X.Org Foundation" [ 37.170] compiled for 1.14.1, module version = 0.4.3 [ 37.170] Module class: X.Org Video Driver [ 37.170] ABI class: X.Org Video Driver, version 14.1 [ 37.170] (==) Matched fglrx as autoconfigured driver 0 [ 37.170] (==) Matched ati as autoconfigured driver 1 [ 37.170] (==) Matched vesa as autoconfigured driver 2 [ 37.170] (==) Matched modesetting as autoconfigured driver 3 [ 37.170] (==) Matched fbdev as autoconfigured driver 4 [ 37.170] (==) Assigned the driver to the xf86ConfigLayout [ 37.170] (II) LoadModule: "fglrx" [ 37.170] (II) Loading /usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/drivers/fglrx_drv.so [ 37.170] (II) Module fglrx: vendor="FireGL - AMD Technologies Inc." [ 37.170] compiled for 1.4.99.906, module version = 13.10.10 [ 37.170] Module class: X.Org Video Driver [ 37.170] (II) LoadModule: "ati" [ 37.170] (WW) Warning, couldn't open module ati [ 37.170] (II) UnloadModule: "ati" [ 37.171] (II) Unloading ati [ 37.171] (EE) Failed to load module "ati" (module does not exist, 0) [ 37.171] (II) LoadModule: "vesa" [ 37.171] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so [ 37.171] (II) Module vesa: vendor="X.Org Foundation" [ 37.171] compiled for 1.14.1, module version = 2.3.2 [ 37.171] Module class: X.Org Video Driver [ 37.171] ABI class: X.Org Video Driver, version 14.1 [ 37.171] (II) UnloadModule: "vesa" [ 37.171] (II) Unloading vesa [ 37.171] (II) Failed to load module "vesa" (already loaded, 0) [ 37.171] (II) LoadModule: "modesetting" [ 37.171] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so [ 37.171] (II) Module modesetting: vendor="X.Org Foundation" [ 37.171] compiled for 1.14.1, module version = 0.8.0 [ 37.171] Module class: X.Org Video Driver [ 37.171] ABI class: X.Org Video Driver, version 14.1 [ 37.171] (II) UnloadModule: "modesetting" [ 37.171] (II) Unloading modesetting [ 37.171] (II) Failed to load module "modesetting" (already loaded, 0) [ 37.171] (II) LoadModule: "fbdev" [ 37.171] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so [ 37.171] (II) Module fbdev: vendor="X.Org Foundation" [ 37.171] compiled for 1.14.1, module version = 0.4.3 [ 37.171] Module class: X.Org Video Driver [ 37.171] ABI class: X.Org Video Driver, version 14.1 [ 37.171] (II) UnloadModule: "fbdev" [ 37.171] (II) Unloading fbdev [ 37.171] (II) Failed to load module "fbdev" (already loaded, 0) [ 37.171] (II) AMD Proprietary Linux Driver Version Identifier:13.10.10 [ 37.171] (II) AMD Proprietary Linux Driver Release Identifier: UNSUPPORTED-13.101 [ 37.171] (II) AMD Proprietary Linux Driver Build Date: May 23 2013 15:49:35 [ 37.171] (II) VESA: driver for VESA chipsets: vesa [ 37.171] (II) modesetting: Driver for Modesetting Kernel Drivers: kms [ 37.171] (II) FBDEV: driver for framebuffer: fbdev [ 37.171] (++) using VT number 7 I did more installing/removing packages than that. There were a moment when it said: (EE) Failed to load /usr/lib64/xorg/modules/libglamoregl.so: /usr/lib64/xorg/modules/libglamoregl.so: undefined symbol: _glapi_tls_Context Also there is init: not found in ~/.xsession-errors: /usr/sbin/lightdm-session: 5: exec: init: not found Actually, I'm out of ideas. What about you? :)

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• SQL SERVER – SQL in Sixty Seconds – 5 Videos from Joes 2 Pros Series – SQL Exam Prep Series 70-433

  - by pinaldave

  Joes 2 Pros SQL Server Learning series is indeed fun. Joes 2 Pros series is written for beginners and who wants to build expertise for SQL Server programming and development from fundamental. In the beginning of the series author Rick Morelan is not shy to explain the simplest concept of how to open SQL Server Management Studio. Honestly the book starts with that much basic but as it progresses further Rick discussing about various advanced concepts from query tuning to Core Architecture. This five part series is written with keeping SQL Server Exam 70-433. Instead of just focusing on what will be there in exam, this series is focusing on learning the important concepts thoroughly. This book no way take short cut to explain any concepts and at times, will go beyond the topic at length. The best part is that all the books has many companion videos explaining the concepts and videos. Every Wednesday I like to post a video which explains something in quick few seconds. Today we will go over five videos which I posted in my earlier posts related to Joes 2 Pros series. Introduction to XML Data Type Methods – SQL in Sixty Seconds #015 The XML data type was first introduced with SQL Server 2005. This data type continues with SQL Server 2008 where expanded XML features are available, most notably is the power of the XQuery language to analyze and query the values contained in your XML instance. There are five XML data type methods available in SQL Server 2008: query() – Used to extract XML fragments from an XML data type. value() – Used to extract a single value from an XML document. exist() – Used to determine if a specified node exists. Returns 1 if yes and 0 if no. modify() – Updates XML data in an XML data type. node() – Shreds XML data into multiple rows (not covered in this blog post). [Detailed Blog Post] | [Quiz with Answer] Introduction to SQL Error Actions – SQL in Sixty Seconds #014 Most people believe that when SQL Server encounters an error severity level 11 or higher the remaining SQL statements will not get executed. In addition, people also believe that if any error severity level of 11 or higher is hit inside an explicit transaction, then the whole statement will fail as a unit. While both of these beliefs are true 99% of the time, they are not true in all cases. It is these outlying cases that frequently cause unexpected results in your SQL code. To understand how to achieve consistent results you need to know the four ways SQL Error Actions can react to error severity levels 11-16: Statement Termination – The statement with the procedure fails but the code keeps on running to the next statement. Transactions are not affected. Scope Abortion – The current procedure, function or batch is aborted and the next calling scope keeps running. That is, if Stored Procedure A calls B and C, and B fails, then nothing in B runs but A continues to call C. @@Error is set but the procedure does not have a return value. Batch Termination – The entire client call is terminated. XACT_ABORT – (ON = The entire client call is terminated.) or (OFF = SQL Server will choose how to handle all errors.) [Detailed Blog Post] | [Quiz with Answer] Introduction to Basics of a Query Hint – SQL in Sixty Seconds #013 Query hints specify that the indicated hints should be used throughout the query. Query hints affect all operators in the statement and are implemented using the OPTION clause. Cautionary Note: Because the SQL Server Query Optimizer typically selects the best execution plan for a query, it is highly recommended that hints be used as a last resort for experienced developers and database administrators to achieve the desired results. [Detailed Blog Post] | [Quiz with Answer] Introduction to Hierarchical Query – SQL in Sixty Seconds #012 A CTE can be thought of as a temporary result set and are similar to a derived table in that it is not stored as an object and lasts only for the duration of the query. A CTE is generally considered to be more readable than a derived table and does not require the extra effort of declaring a Temp Table while providing the same benefits to the user. However; a CTE is more powerful than a derived table as it can also be self-referencing, or even referenced multiple times in the same query. A recursive CTE requires four elements in order to work properly: Anchor query (runs once and the results ‘seed’ the Recursive query) Recursive query (runs multiple times and is the criteria for the remaining results) UNION ALL statement to bind the Anchor and Recursive queries together. INNER JOIN statement to bind the Recursive query to the results of the CTE. [Detailed Blog Post] | [Quiz with Answer] Introduction to SQL Server Security – SQL in Sixty Seconds #011 Let’s get some basic definitions down first. Take the workplace example where “Tom” needs “Read” access to the “Financial Folder”. What are the Securable, Principal, and Permissions from that last sentence? A Securable is a resource that someone might want to access (like the Financial Folder). A Principal is anything that might want to gain access to the securable (like Tom). A Permission is the level of access a principal has to a securable (like Read). [Detailed Blog Post] | [Quiz with Answer] Please leave a comment explain which one was your favorite video as that will help me understand what works and what needs improvement. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology, Video

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• Hosting Ventrilo - license question

  - by Matthew Iselin

  I have access to a dedicated server, and I would like to set up a Ventrilo server on it. I don't plan to profit from this Ventrilo server, but their website is quite vague about the legality of hosting a Ventrilo server (< 1000 slot, mind you) without paying for a license. Licensing looks fairly expensive considering I will never have more than a couple hundred slots in use. In summary: if I am hosting a Ventrilo server with less than a thousand slots, do I need to pay for a license?

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• enable curl in cPanel control panel of a shared hosting for my account

  - by Jayapal Chandran

  I have hosted my site in a shared environment. Recently for security reasons the hosting company has disabled socket functions. When i enquired them they said that they will enable to people who personally request for that option. And they said it is a matter of 2 minutes work and asked for my control panel username and password. They said that it is just updating the php.ini for my account. So i want to know how to do it myself. If that could be done by them in 2 minutes then why cant a developer. I asked them but they mumbled... saying not to give trouble to me. so i want to know how to edit php.ini or something like stated above my hosting is using cPanel control panel. suggestions please.

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• search solution to integrate community mailing-lists into a website on shared hosting

  - by Thomas Traub

  The community (300 members), cocktailnetwork, has a website, cocktailnetwork.eu and about ten mailing lists. We want to manage the mailing lists from inside the website (lists and subscribers) and link the list's informations with the member profiles on the site. We are on shared hosting. The community members use the lists to send mails to all other members / groups of members. They can subscribe / unsubscribe from a list. The administrators can in addition create / delete / modify lists. Right now I use ezmlm with QmailAdmin, the lists are completly seperated from the website. I could link the data via remote administration commands, but that's not very satisfactory, does not allow the creation of new lists and it's an deprecated feature of our hosting package, sooner or later we'll need to switch anyway. Do You know of an elegant solution for us ? Any web service with a good, stable API ? Thanks.

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• University Assignment: Datacenter/Networking Infrastructure for Hosting Company [closed]

  - by TCB13

  My university assigned me to theorizing a data center for an Web Hosting company. The company should provide the following services: Shared WebHosting; Dedicated Servers; VPS (Virtual Private Server); The bandwith (as resquested) is limited to 10 Gbps. Is there any good book / other info I can read (max 100 pages) about how to design a good data center for hosting, what are the best practices and what should be done from a (logical) network perspective, what security policies should be implemented and how the data center should be built (physically)? Thank you ;)

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• Linux web server shared hosting file errors

  - by dfilkovi

  I'm using a shared hosting to host my website and have some problems with files from time to time. First, one of my file (php) was missing a part of code (nothing to do with hackers just a random piece of code was missing), then after some time a value inside a mysql table was also missing a part, then a whole table column disappeared, after that a whole file on my site disappeared and lastly again some code from a file disappeared, my hosting service says it has nothing to do with them, but this is stupid, how can this happen, no hacker attack could do such a thing, I believe it's some kind of a disk corruption or bad backup. Anyone have any ideas?

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• [linux] preventing access in shared hosting

  - by jack

  Hi Linux Admins I set up a small shared hosting that contains some sites. For each site, there is a user. I mean, for abcd.com, I created abcd.com user and put htdocs for web hosting. I have no idea on how to prevent abcd.com from accessing xyzd.com's data. I have chmoded by changing 0 to others permission, which makes access defined by Apache when I view it with browser. How can I secure access? Thanks.

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• Cloud hosting and single hardware point of failure?

  - by PeterB

  From talking to sales I thought Rackspace Cloud was running on a SAN and compute nodes (as VMWare's offerings do), only to find out it doesn't, so when the host server goes down for maintenance all cloud servers on the server go down (in our case for 2.5 hours). I understand Amazon EC2 also has this single-server point of failure. Which cloud hosting solutions don't rely on a single server? I've yet to find a list by architecture Is there a term that distinguishes between these types of 'cloud'? Is one of these 'grid computing' and the other 'virtualisation'? Can a SAN backed solution provide the same reliability as 2 mirrored cloud servers on (say) Rackspace Cloud? I am more familiar with the VMWare architecture and would like to understand the advantages and disadvantages of each approach. I understand the standard architecture is to have multiple cloud servers and mirrored data between them; until we need multiple database servers I'm wondering if a SAN/node hosting solution would provide the lack of downtime we need without the added complexity.

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• Are Rackspace's Cloud Servers really cloud hosting?

  - by sopppas

  I may be confused about what cloud hosting really is... I asked Rackspace how its Cloud Server (CS) 256MB/10GB compares to Slicehost's 256slice VPS, and they said it's exactly the same (only different billing and BW). I know they are the same company. So, why do they call it Cloud Server? Isn't it just a collection of VPS (virtual private servers)? For me, cloud hosting would be: if I need any additional horsepower at any given time, the cloud would automatically stack more VPS and then charge me at the end of the month for the surplus of resources. Reading Rackspace's info, it looks like it's for me to decide when to stack more CS and that its Cloud Servers don't AUTOMATICLY scale up. Am I confusing things?

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• Domain Hosting, DNS/NS Management [closed]

  - by ledy

  What criteria do you have for choosing the right provider for registering a domain? (not hosting, only the domain) So far, I can only see the different pricing and features of the DNS manager but have no idea what I have to pay attention in addition to this. How to know about the quality of the provider's nameserver and could there be differences in speed concerns. Background: The hosting itself incl. webspace, server etc. is separate from the domain and I am not going to book the domain with the same hoster as the webspace/server hoster.

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• Pumpktris: The Tetris-Enabled Jack-o’-Lantern [Video]

  - by Jason Fitzpatrick

  You can carve a pumpkin, you might even go high-tech and wire it up with a few LEDs, but can you play Tetris on it? Check out this fully functional Tetris clone built into a jack-o’-lantern. The build comes to us courtesy of tinker Nathan at HaHaBird, who writes: One of my habits is to write down all the crazy, fleeting ideas I have, then go back to review later rather than judging right off the bat, or even worse, forgetting them. Earlier in the month I was looking through that idea notepad and found “Make Tetris Pumpkins” from sometime last year. My original plan had been to make forms to shape pumpkins into Tetris pieces as they grew, then stack them together for Halloween. Since Halloween was only a few weeks away and it was too late to start growing pumpkins, I thought “Why not make a pumpkin you can play Tetris on instead?” Watch the Pumpktris in action via the video above or hit up the link below to see exactly how he went about building it. Pumpktris [via Geek News Central] 6 Start Menu Replacements for Windows 8 What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8

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• SQLAuthority News – Guest Post – FAULT Contract in WCF with Learning Video

  - by pinaldave

  This is guest post by one of my very good friends and .NET MVP, Dhananjay Kumar. The very first impression one gets when they meet him is his politeness. He is an extremely nice person, but has superlative knowledge in .NET and is truly helpful to all of us. Objective: This article will give a basic introduction on: How to handle Exception at service side? How to use Fault contract at Service side? How to handle Service Exception at client side? A Few Points about Exception at Service Exception is technology-specific. Exception should not be shared beyond service boundary. Since Exception is technology-specific, it cannot be propagated to other clients. Exception is of many types. CLR Exception Windows32 Exception Runtime Exception at service C++ Exception Exception is very much native to the technology in which service is made. Exception must be converted from technology-specific information to natural information that can be communicated to the client. SOAP Fault FaultException<T> Service should throw FaultException<T>, instead of the usual CLR exception. FaultException<T> is a specialization of Fault Exception. Any client that programs against FaultException can handle the Exception thrown by FaultException<T>. The type parameter T conveys the error detail. T can be of any type like Exception, CLR Type or any type that can be serialized. T can be of type Data contract. T is a generic parameter that conveys the error details. You can read complete article http://dhananjaykumar.net/2010/05/23/fault-contract-in-wcf-with-learning-video/ Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, SQLAuthority News, T SQL, Technology

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• I want to make video games, but I hate coding

  - by hoper

  I know this sounds eally crazy. However, I just want to ask. Now, I am studying C++ code in my school (My major is computer programming). Honestly, my grade is not so good, and assignments are really hard. Sometimes, I feel sad that I will spend 8~10 hours per day for coding (which is stressful) at the future for my job. But, I still want to make video games. Maybe this is the only one reason why I am taking all of stressful courses. I always write down plots, stories, characters, fictional gaming worlds. Once, I thought I should study artistic technology such as game design program not computer technology such as C++, C#, etc. However, most of popular game designers(or directors) such as Kojima, Miyamoto Shigeru, etc used to be good programmers. And, companies actaully assign programmers to directors because they understand how to make a game. I try to find other colleges or universities where teach game design program. However, one article that lists rank 10 game design schools in North America seems untrustful because the survey company only scores it from intervews of students. (Once, I tried to attend Art Institute of Vancouver which is rank 7 according to that article. However, one programmer who used to be an instructor in there told me the truth. That is the employement rate of graduated students is low) Do you guys have any advice for me?

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• Electric Dreams: Picking Out a Vintage 1980s Computer [Video]

  - by Jason Fitzpatrick

  What if you had to pick out a 1980s era computer for use in your home today? BBC show Electric Dreams walks us through the history with a “time traveling” family. Electric Dreams is a show based on the novel premise that an average British family is starting, technologically speaking, in the 1970s and progressing over a month to the year 2000–restricted each step of the way to using technology available only in the era they are emulating. In the above video clip they’ve reached 1982 and visit the National Museum of Computing to pick out a vintage computer. It’s interesting to see the kids interact with the computer and experience programming for, presumably, the first time. Have a vintage computer memory (mine is programming on a Timex Sinclair); let’s hear about it in the comments. Electric Dreams – The 1980s ‘The Micro Home Computer Of 1982′ [via O'Reilly Radar] How To Encrypt Your Cloud-Based Drive with BoxcryptorHTG Explains: Photography with Film-Based CamerasHow to Clean Your Dirty Smartphone (Without Breaking Something)

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• Special 48-Hour Offer: Free ASP.NET MVC 3 Video Training

  - by ScottGu

  The Virtual ASP.NET MVC Conference (MVCConf) happened earlier today.  Several thousand developers attended the event online, and had the opportunity to watch 27 great talks presented by the community. All of the live presentations were recorded, and videos of them will be posted shortly so that everyone can watch them (for free).  I’ll do a blog post with links to them once they are available. Special Pluralsight Training Available for Next 48 Hours In my MVCConf keynote this morning, I also mentioned a special offer that Pluralsight (a great .NET training partner) is offering – which is the opportunity to watch their excellent ASP.NET MVC 3 Fundamentals course free of charge for the next 48 hours.  This training is 3 hours and 17 minutes long and covers the new features introduced with ASP.NET MVC 3 including: Razor, Unobtrusive JavaScript, Richer Validation, ViewBag, Output Caching, Global Action Filters, NuGet, Dependency Injection, and much more. Scott Allen is the presenter, and the format, video player, and cadence of the course is really great.  It provides an excellent way to quickly come up to speed with all of the new features introduced with the new ASP.NET MVC 3 release. Click here to watch the Pluralsight training - available free of charge for the next 48 hours (until Thursday at 9pm PST). Other Beginning ASP.NET MVC Tutorials We will be publishing a bunch of new ASP.NET MVC 3 content, training and samples on the http://asp.net/mvc web-site in the weeks ahead.  We’ll include content that is tailored to developers brand-new to ASP.NET MVC, as well as content for advanced ASP.NET MVC developers looking to get the most out of it. Below are two tutorials available today that provide nice introductory step-by-step ASP.NET MVC 3 tutorials: Build your First ASP.NET MVC 3 Application ASP.NET MVC Music Store Tutorial I recommend reviewing both of the above tutorials if you are looking to get started with ASP.NET MVC 3 and want to learn the core concepts and features behind it. Hope this helps, Scott

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• Oracle IRM video demonstration of seperating duties of document security

  - by Simon Thorpe

  One thing an Information Rights Management technology should do well is separate out three main areas of responsibility.The business process of defining and controlling the classifications to which content is secured and the definition of the roles employees, customers, partners and contractors have when accessing secured content. Allow IT to manage the server and perform the role of authorizing the creation of new classifications to meet business needs but yet once the classification has been created and handed off to the business, IT no longer plays a role on the ongoing management. Empower the business to take ownership of classifications to which their own content is secured. For example an employee who is leading an acquisition project should be responsible for defining who has access to confidential project documents. This person should be able to manage the rights users have in the classification and also be the point of contact for those wishing to gain rights. Oracle IRM has since it's creation in the late 1990's had this core model at the heart of its design. Due in part to the important seperation of rights from the documents themselves, Oracle IRM places the right functionality within the right parts of the business. For example some IRM technologies allow the end user to make decisions about what users can print, edit or save a secured document. This in practice results in a wide variety of content secured with a plethora of options that don't conform to any policy. With Oracle IRM users choose from a list of classifications to which they have been given the ability to secure information against. Their role in the classification was given to them by the business owner of the classification, yet the definition of the role resides within the realm of corporate security who own the overall business classification policies. It is this type of design and philosophy in Oracle IRM that makes it an enterprise solution that works beyond a few users and a few secured documents to hundreds of thousands of users and millions of documents. This following video shows how Oracle IRM 11g, the market leading document security solution, lets the security organization manage and create classifications whilst the business owns and manages them. If you want to experience using Oracle IRM secured content and the effects of different roles users have, why not sign up for our free demonstration.

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• Oracle Certification at OpenWorld + JavaOne 2012 [VIDEO]

  - by Harold Green

  Oracle Certification will again be at this year's Oracle OpenWorld and JavaOne conferences in San Francisco. We'll have two locations - the Oracle Certification Lounge at OpenWorld, and the Java Certification Zone at JavaOne. Watch this quick video (1:46) to learn more about these, Oracle University pre-conference training, some mini-sessions on several certification topics, and previews of our new Exam Preparation Seminars. ORACLE CERTIFICATION PROGRAM LOUNGE Location: Moscone South, Mezzanine, Room 250 Hours: Monday, 9:00 a.m.–5:00 p.m. Tuesday, 9:00 a.m.–5:00 p.m. Wednesday, 9:00 a.m.–5:00 p.m. Thursday, 9:00 a.m.–1:00 p.m. JAVA CERTIFICATION ZONE Location: The Zone/Taylor Street Café Hours: Sunday, 7:00 p.m.–9:00 p.m. Monday, 11:00 a.m.–6:00 p.m. Tuesday, 11:00 a.m.–6:This i00 p.m. Wednesday, 11:00 a.m.–6:00 p.m. Thursday, 11:00 a.m.–2:00 p.m. CERTIFICATION SESSIONS Monday, 1:00 p.m - JavaOne (Java Certification Zone) Monday, 3:00 p.m - Oracle OpenWorld (Oracle Certification Lounge) QUICK LINKS: Oracle OpenWorld Certification Lounge Details Oracle University at Oracle OpenWorld 2012 (Pre-Conference Training) Java University at JavaOne 2012 (Pre-Conference Training) Self Test Software Oracle Press Oracle Certification on Twitter: https://twitter.com/oraclecert Oracle Certification on Facebook: facebook.com/OracleCertification

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• Installing 10.10+ with Radeon HD 6970 Video Card

  - by Ben Lacy

  I built a new PC that has a Diamond Radeon HD 6970 graphics card, and no on-board graphics. When I boot from the Ubuntu disc, it runs through some initial booting stuff, and then gets to a loading screen that just has the Ubuntu logo and some progress bar/dot thingies. After this screen is finished, it goes black and says it cannot display video mode. I've seen many people that say to simply install the ati drivers. However, I don't believe this is an option, because I can't even get to the boot screen that asks me if I want to run the system off of the LiveCD, boot to hard disk, etc... Is there a way to somehow boot to a CLI before getting to the screen that would normally let me choose that? I'm at a loss as far as what to do. Also: Yes, the CD boots fine on other machines. (I've also burnt a couple discs just to be sure) Yes, the graphics card is fine. I normally dual-boot with Windows 7, and it runs on Windows just fine. Thanks for any help!

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• Geek Chess: Nixie Tubes as Board Pieces [Video]

  - by Jason Fitzpatrick

  We’ve seen some geeky chessboards in our day, but this board is a masterpiece of geekiness. Check out the video to see the Nixie tubes in action. Courtesy of a tinker named Tony, we find this delightfully analog and geeky chess set. He writes: This developed as a spinoff from the hardware and controllers I’m designing for a range of nixie clocks and watches as a ‘simple’ project that wouldn’t need much software to complete it. All visible parts are made from materials contemporary with Nixie technology and no modern plastics or resins are used anywhere in its’ consruction (other than the electronic components and PCBs). The board and pieces are machined from phenolic resin laminate and assembled using brass fittings. The brown base pieces have been filled and wiped with gold and silver engravers wax, giving a ‘worn gilding’ appearance. The displays are ex-Soviet Nixie gas display tubes, manufactured in the early 1980s. No Chinese LEDs here… How to Banish Duplicate Photos with VisiPic How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

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• 10 Tech Products Ahead of Their Time [Video]

  - by Jason Fitzpatrick

  Sometimes a product just can’t help but be too far ahead of it’s time to be adopted. Check out these 10 products that had their moment of glory a moment (or a decade) too soon. At Mashable they’ve gathered up 10 products that hit the market too soon for people to really appreciate them. Among them, as seen in the video above, a super simple internet-focused computer. At the time it hit the market people simply didn’t get the value of having a cheap, easy to use internet terminal. It probably didn’t help much that the 1990s internet didn’t have the plethora of powerful and useful web-based applications we have now. None the less we now have tons of lightweight and “underpowered” devices focused on the internet experience (like netbooks, iPads, smart phones, chromebooks, and more). Hit up the link below to see the 9 other gems from their collection of products ahead of their times. 10 Tech Products Ahead of Their Time [Mashable] How to Make and Install an Electric Outlet in a Cabinet or DeskHow To Recover After Your Email Password Is CompromisedHow to Clean Your Filthy Keyboard in the Dishwasher (Without Ruining it)

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