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• How to chroot Ubuntu+1?

  - by jrg

  What is the recommended way to use chroot from Ubuntu Stable (in my case 11.04) with Ubuntu+1 (11.10)? Linked (but probably separate) is "Is there anything special that I need to do in order to get Xorg working?" Reason I ask is because I'd like to test a few GTK3 programs without losing my current (stable) Ubuntu, or having to get my data synced. I thought about maybe running a SSH server from 11.10 and then using SSH's X forwarding, but that seems rather cumbersome.

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• Batch normalize audio volume on .ogg-files

  - by Embridioum

  Are there any simple tools to normalize an .ogg-library of 10'000+ songs so that the volume is the same throughout all songs? Terminal or GUI doesn't matter, it only need to be simple. One caveat though, I don't want soft interludes/intermissions and ballads blown out of proportion. Preferably the process should find the overall gain of the album (I have all my CD's ripped into separate folders) and normalize the level thereafter.

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• On Page SEO - What You May Be Missing

  If you have been doing Search Engine Optimization for sometime, you must know there are two separate kinds of SEO. They are On-page SEO and Off-page SEO. Many people put too much weight on Off-page SEO and they forgot On page SEO is equally important.

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• UPMC Picks Oracle Identity Management

  - by Naresh Persaud

  UPMC, a $10-billion integrated global health enterprise, has selected Oracle as a key technology partner in UPMC’s $100-million analytics initiative designed to help “unlock the secrets of human health and disease” by consolidating and analyzing data from 200 separate sources across UPMC’s far-flung network.As part of the project UPMC also selected Oracle Identity Management to secure the interaction and insure regulatory compliance. Read complete article here. As healthcare organizations create new services on-line to provide better care Identity Management can provide a foundation for collaboration.

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• How To SSH Hop With Key Forwarding from Windows

  - by Aviad

  Do you have the need to work with SSH keys from Windows and you find that this becomes a hassle very quickly? HTG goes into how to make the process as transparent as possible, using The PuTTY package suite. Image by kaneda99. HTG Explains: Does Your Android Phone Need an Antivirus? How To Use USB Drives With the Nexus 7 and Other Android Devices Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder?

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• The Frustrating Life of Zelda Universe Henchmen [Video]

  - by Jason Fitzpatrick

  Life as the Ganon’s henchmen in the Legend of Zelda universe is mostly hard work, vague instructions, and no glamour if this insider’s video is to be believed. [via Cracked] HTG Explains: Does Your Android Phone Need an Antivirus? How To Use USB Drives With the Nexus 7 and Other Android Devices Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder?

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• What is UEFI and Secure Boot? How do they affect Ubuntu?

  - by Oxwivi

  Discussions and reports about UEFI and Secure Boot has cropped up in many Linux circles, but can anyone summarize it's impacts on Ubuntu and how it affects the general users? I know that UEFI and Secure Boot are separate (not interchangeable), with Secure Boot being a part of the Unified Extensible Firmware Interface BIOS specification. PS I do know how it affects Ubuntu, this question is for the benefit of public knowledge.

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• What to do with a site that has multiple languages in Google Analytics...

  - by stephmoreland

  We have a site that has four "streams" for language and each language has different content based on that language and location (US English, Spanish, Canadian English and Canadian French). I'm wondering if I have to set up accounts for each stream so that we can see the stats from each stream only, or do I use one account and somehow tell GA to separate the different streams based on language. For example, the US English site starts at (/en/) while the Canadian English site starts at (/ca_en/), etc.

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• How can I make a webmail URL available from any hosted domain?

  - by James

  I run Roundcube webmail on my VPS. At the moment, it is only accessible from one virtual server hosted on the server, unless a separate Roundcube installation is created for other virtual servers. I would like to be able to make webmail available from any domain/ virtual server that I host, just by adding /webmail to the end. I'm sure Apache must allow me to do this - only problem is, I don't know how! Any ideas?

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• T-SQL Tuesday #016:Check Your Service Accounts with PowerShell

  - by AllenMWhite

  T-SQL Tuesday #016:Check Your Service Accounts with PowerShell This T-SQL Tuesday is about Aggregate Functions. It may be a bit of a stretch, but a security best practice to use separate service accounts for all your SQL Server services, so I've written some PowerShell code to check to see if any account is used more than once on a given machine. I take advantage of the SQLWmiManagement DLL to find the SQL Server services, which is a safer bet than filtering on a service name. First I load the SQLWmiManagement...(read more)

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• What is the architectural name for the set of data that enables UI choices?

  - by Richard Collette

  I have separate service methods that fetch business object data and the data for UI selection input such as radio buttons, check-boxes, combo-boxes, etc. I want to name my service methods that fetch the selection data appropriately. I am assuming that Model and ViewModel would not be part of the name because the selection data is but a portion of the Model or ViewModel. What might this set of data be named such that I can name my service method?

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• HP Photosmart Plus Review

  HP's new $150 inkjet puts the emphasis on convenience with an extra-friendly touch-screen interface and separate letter and photo paper trays, plus output quality good enough to satisfy business users.

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• Different domain for dirrenet thing or just one?

  - by Mahdi

  Suppose I'm starting my business my major is computer services like: graphic , programming, computer repair , networking and.... now the question is, what do you recommend for a better ranking? should i have a separate domain for each of these field or i can have them all in different pages/categories in one website? my preferred CMS system is Wordpress. and...do you recommend me using keywords in domain name even if it becomes hard to remember, meaningless and long? Thanks

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• The changing shape of the Business Intelligence marketplace: Applications vs. Platforms

  - by GavinPayneUK

  I recently read the latest Gartner Magic Quadrant for Business Intelligence ( link ) which put Microsoft as a leader.  However, what was more interesting for me than Microsoft’s success was how as an industry we see BI as a single marketplace, business requirement and vision, despite in my view it now being two separate areas: BI applications and BI platforms . As this article will discuss in more depth we now have two communities with differing requirements, our IT departments and our business...(read more)

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• The Little Server that Could [Humorous Image]

  - by Asian Angel

  Anyone up for a bit of miniaturized water-skiing fun? Note: Make sure to visit the Reddit link below for some enjoyable comment reading. Would not want to go to work and find this [via Reddit - Tech Support Gore] HTG Explains: Does Your Android Phone Need an Antivirus? How To Use USB Drives With the Nexus 7 and Other Android Devices Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder?

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• What You Said: Staying Productive While Working from home

  - by Jason Fitzpatrick

  Earlier this week we asked you to share your telecommuting/work-from-home productivity tips. Now we’re back with a tips and tricks roundup; read on to see how your fellow readers stay focused at home. By far and away the most common technique deployed as carefully isolating work from home life. Carol writes: I love working from home and have done so for 6 years now. I have a routine just as if I was going to an office, except my commute is 12 steps. I get ready for work, grab my purse and smart phone and go to up the steps to my office. I maintain a separate phone line and voice mail for work that I cannot answer from anywhere but my work desk. I use call forwarding when I travel so only my office phone number is published. I have VOIP phone service so I can forward calls from the internet if I forget, or need to change where the phone is forwarded. I do have a wired and wireless head set so I can go get a cold drink if on one of those long boring conference calls. I plan my ‘get off from work’ time and try to stick to it, as with any job some days I am late getting off, but it all works out. I make sure my office is for work only, any other computer play time is in a different part of the house on different computer. My office has laptop, dock, couple of monitors, multipurpose printer, fax, scanner, file cabinets – just like the office at a company. I just also happen to have a couple of golden retrievers that come to work with me and usually lay quietly until 5, and yes they know it is 5pm sometimes before I do. For me, one of the biggest concerns when working from home is not being unproductive, but the danger of never stopping work. You could keep going and going because let’s face it – the company will let you do it, so I set myself up to prevent that and maintain a separateness. HTG Explains: Does Your Android Phone Need an Antivirus? How To Use USB Drives With the Nexus 7 and Other Android Devices Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder?

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• I want to be able to load Ubuntu from the Windows Boot Loader using EasyBCD, but Ubuntu won't show up

  - by user1604288

  I am trying to create a dual-boot environment between Windows 8.1 and Ubuntu 14.04. I installed Ubuntu on a separate partition successfully, and I am following these instructions: Is it possible to boot Ubuntu using the Windows bootloader? However, when I restart my computer, Windows Bootloader still won't recognize Ubuntu. Does anyone know what could be wrong? EDIT: I can add an Ubuntu entry successfully using EasyBCD, but as soon as I restart my computer, the entry disappears.

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• Separating logic and data in browser game

  - by Tesserex

  I've been thinking this over for days and I'm still not sure what to do. I'm trying to refactor a combat system in PHP (...sorry.) Here's what exists so far: There are two (so far) types of entities that can participate in combat. Let's just call them players and NPCs. Their data is already written pretty well. When involved in combat, these entities are wrapped with another object in the DB called a Combatant, which gives them information about the particular fight. They can be involved in multiple combats at once. I'm trying to write the logic engine for combat by having combatants injected into it. I want to be able to mock everything for testing. In order to separate logic and data, I want to have two interfaces / base classes, one being ICombatantData and the other ICombatantLogic. The two implementers of data will be one for the real objects stored in the database, and the other for my mock objects. I'm now running into uncertainties with designing the logic side of things. I can have one implementer for each of players and NPCs, but then I have an issue. A combatant needs to be able to return the entity that it wraps. Should this getter method be part of logic or data? I feel strongly that it should be in data, because the logic part is used for executing combat, and won't be available if someone is just looking up information about an upcoming fight. But the data classes only separate mock from DB, not player from NPC. If I try having two child classes of the DB data implementer, one for each entity type, then how do I architect that while keeping my mocks in the loop? Do I need some third interface like IEntityProvider that I inject into the data classes? Also with some of the ideas I've been considering, I feel like I'll have to put checks in place to make sure you don't mismatch things, like making the logic for an NPC accidentally wrap the data for a player. Does that make any sense? Is that a situation that would even be possible if the architecture is correct, or would the right design prohibit that completely so I don't need to check for it? If someone could help me just layout a class diagram or something for this it would help me a lot. Thanks. edit Also useful to note, the mock data class doesn't really need the Entity, since I'll just be specifying all the parameters like combat stats directly instead. So maybe that will affect the correct design.

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• is installed application for all user or for the account who installed?

  - by Eng.amr19

  I want to make many account in * Ubuntu 12.04* to separate some application from the other accounts my brother want some application i don't want so, can i install application like "Wine" or "Webapps" in my account but this application doesn't appear or effect in other account ?? and other reason that if i install Wine it effect on the Arabic fonts and make it totally bad so if i install Wine in an account , is it effect on all account

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• Any advice for dynamic music control?

  - by Assembler

  I would like to be able to dynamically progress the score, and affect the volume levels of separate channels within the music. How could I do this? From my experience with mod music (olden days Amiga music, Mod Tracker, Scream Tracker, Fast Tracker II, Impulse Tracker etc etc), I believe this is the best way to tackle the problem, to allow the music to move from one loop to another, without anything mixed down. I want to do this in AS3, and am considering pulling apart Flod to make this happen

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• Why I lose my page rank after 301 redirect?

  - by rajesh.magar

  As we all know Google treats sub-domains as completely separate domains so we have to fight for both, to get ranked in search results. One of my client website was like they having example.com and blog.example.com. So in mind to keep all stuff in one place we redirect blog.example.com to example.com/blog/ But in this case we lost our pagerank and are still wondering where we went wrong or it just takes few more time to showoff. So what is the reason behind this?

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• Entity Framework 5, separating business logic from model - Repository?

  - by bnice7

  I am working on my first public-facing web application and I’m using MVC 4 for the presentation layer and EF 5 for the DAL. The database structure is locked, and there are moderate differences between how the user inputs data and how the database itself gets populated. I have done a ton of reading on the repository pattern (which I have never used) but most of my research is pushing me away from using it since it supposedly creates an unnecessary level of abstraction for the latest versions of EF since repositories and unit-of-work are already built-in. My initial approach is to simply create a separate set of classes for my business objects in the BLL that can act as an intermediary between my Controllers and the DAL. Here’s an example class: public class MyBuilding { public int Id { get; private set; } public string Name { get; set; } public string Notes { get; set; } private readonly Entities _context = new Entities(); // Is this thread safe? private static readonly int UserId = WebSecurity.GetCurrentUser().UserId; public IEnumerable<MyBuilding> GetList() { IEnumerable<MyBuilding> buildingList = from p in _context.BuildingInfo where p.Building.UserProfile.UserId == UserId select new MyBuilding {Id = p.BuildingId, Name = p.BuildingName, Notes = p.Building.Notes}; return buildingList; } public void Create() { var b = new Building {UserId = UserId, Notes = this.Notes}; _context.Building.Add(b); _context.SaveChanges(); // Set the building ID this.Id = b.BuildingId; // Seed 1-to-1 tables with reference the new building _context.BuildingInfo.Add(new BuildingInfo {Building = b}); _context.GeneralInfo.Add(new GeneralInfo {Building = b}); _context.LocationInfo.Add(new LocationInfo {Building = b}); _context.SaveChanges(); } public static MyBuilding Find(int id) { using (var context = new Entities()) // Is this OK to do in a static method? { var b = context.Building.FirstOrDefault(p => p.BuildingId == id && p.UserId == UserId); if (b == null) throw new Exception("Error: Building not found or user does not have access."); return new MyBuilding {Id = b.BuildingId, Name = b.BuildingInfo.BuildingName, Notes = b.Notes}; } } } My primary concern: Is the way I am instantiating my DbContext as a private property thread-safe, and is it safe to have a static method that instantiates a separate DbContext? Or am I approaching this all wrong? I am not opposed to learning up on the repository pattern if I am taking the total wrong approach here.

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• Logitech Performance Mouse MX (and More) Review

  The glass-topped desk -- which has stymied optical and laser mice for years -- has been conquered at last by Logitech's ultimate tracking technology. The annoyance of needing separate USB receivers for your cordless mouse and keyboard is history, too.

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• Weird Ubuntu Desktop Boot Partition On External Hard Drive

  - by Magnitus

  I have a Thinkpad with Windows 7. Last time I installed an Ubuntu/Windows dual boot, Windows was never same after and regularly got corrupted so this time, I installed Ubuntu on a separate external hard drive. I took a 500 GB external hard drive and used Windows to shrink the partition on it to 400 GB, freeing 100 GB to install Ubuntu. Then I modified the booting priority of my computer to boot from the external hard drive if present. Then, I installed Ubuntu desktop on the external hard drive using a DVD, picked the most simplistic partitioning scheme I could get away with (didn't go auto as it didn't include the external hard drive as a choice) and voilà. Fast forward some time and I'm trying to refresh my understanding of Linux partitions to install a bunch of servers, so I'm looking at the current partitioning scheme on my external hard drive and find the boot partition puzzling... sda is my integrated hard drive with Windows 7. sdb is my Ubuntu desktop external hard drive. Running parted on sdb, I get this: (parted) print Model: WD My Passport 0740 (scsi) Disk /dev/sdb: 500GB Sector size (logical/physical): 512B/512B Partition Table: msdos Number Start End Size Type File system Flags 1 1049kB 393GB 393GB primary ntfs boot 2 393GB 500GB 107GB extended 5 393GB 425GB 32.8GB logical linux-swap(v1) 6 425GB 500GB 74.6GB logical ext4 At this point, I'm wondering why the ntfs partition is flagged as "boot" and not my ext4 partition which is the partition that contains / (and by extension, /boot since it's not on its own separate partition). Looking at mtab only confirms what I already know: eric@eric-ThinkPad-W530:~$ sudo cat /etc/mtab /dev/sdb6 / ext4 rw,errors=remount-ro 0 0 proc /proc proc rw,noexec,nosuid,nodev 0 0 sysfs /sys sysfs rw,noexec,nosuid,nodev 0 0 none /sys/fs/cgroup tmpfs rw 0 0 none /sys/fs/fuse/connections fusectl rw 0 0 none /sys/kernel/debug debugfs rw 0 0 none /sys/kernel/security securityfs rw 0 0 udev /dev devtmpfs rw,mode=0755 0 0 devpts /dev/pts devpts rw,noexec,nosuid,gid=5,mode=0620 0 0 tmpfs /run tmpfs rw,noexec,nosuid,size=10%,mode=0755 0 0 none /run/lock tmpfs rw,noexec,nosuid,nodev,size=5242880 0 0 none /run/shm tmpfs rw,nosuid,nodev 0 0 none /run/user tmpfs rw,noexec,nosuid,nodev,size=104857600,mode=0755 0 0 none /sys/fs/pstore pstore rw 0 0 systemd /sys/fs/cgroup/systemd cgroup rw,noexec,nosuid,nodev,none,name=systemd 0 0 gvfsd-fuse /run/user/1000/gvfs fuse.gvfsd-fuse rw,nosuid,nodev,user=eric 0 0 /dev/sdb1 /media/eric/My\040Passport fuseblk rw,nosuid,nodev,allow_other,default_permissions,blksize=4096 0 0 My lack of understanding concerning this is not vital to anything (this is only my development desktop partition), but somehow annoys me. Any insight that could shed some light on this would be welcome.

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• WUBI restore using Windows system repair disc?

  - by davidp21747

  Can I use a Windows 7 system restore disc and system image disc (of Windows drive C) to restore WUBI if my computer crashes? I use Deja Dup for backups, and have a CD of the WUBI .iso installation file? I don't want to run Ubuntu in a separate partition because I find it convenient to run Ubuntu as a WUBI because I can use Windows drivers etc. Thanks for any advice. I have looked for an answer, but can't find one that answers this particular question.

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