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• How to make a disk image and restore from it later?

  - by torbengb

  I'm a new Linux user. I've reinstalled my Wubi from scratch at least ten times the last few weeks because while getting the system up and running (drivers, resolution, etc.) I've broken something (X, grub, unknowns) and I can't get it back to work. Especially for a newbie like me, it's easier (and much faster) to just reinstall the whole shebang than try to troubleshoot several layers of failed "fixing" attempts. Coming from Windows, I expect that there is some "disk image" utility that I can run to make a snapshot of my Linux install (and of the boot partition!!) before I meddle with stuff. Then, after I've foobar'ed my machine, I would somehow restore my machine back to that working snapshot. What's the Linux equivalent of Windows disk imagers like Acronis True Image or Norton Ghost?

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• Wordpress html email plugin that doesn't merge with your users?

  - by christian

  I just launched a wordpress site as a redesign of my strictly html site and added my blogger blog to Wordpress to keep it all in one place. I am trying to send an html email from my Wordpress site to all of my blogger subscribers encouraging them to subscribe to my new blog and join my newly created membership program, but every html email plugin (that I have found) imports your your users with you Wordpress users before you can send them an email. Is there a plugin that allows me to send an html email to a list of email address without adding them as users? otherwise I will have to go through and delete all of my users (after importing the list and sending the email) and try to pick out my legitimate users who have already signed up all the while watching for new ones to make sure I don't delete them.

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• Awesome Integration Of Office In Windows Phone 7[Videos]

  - by Gopinath

  Who else understand Office applications better than Microsoft? Well, not many out there. With the next generation of their mobile OS, Windows Phone 7,  Microsoft seems to be well determined to impress all of us with the awesome integration of Office. Microsoft recently published two demo videos of Office Integration in Windows Phone 7 OS. These videos shows off one of the nice things that we dream to do in a mobile: open a PowerPoint file inline from the email client, edit it, and send it back to the original sender. Other video demonstrates One Note, Word & Outlook with a clean and very intuitive user interface.  Check these two videos   Emails, Events and Schedule Office Hub Join us on Facebook to read all our stories right inside your Facebook news feed.

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• How can you become a competent web application security expert without breaking the law?

  - by hal10001

  I find this to be equivalent to undercover police officers who join a gang, do drugs and break the law as a last resort in order to enforce it. To be a competent security expert, I feel hacking has to be a constant hands-on effort. Yet, that requires finding exploits, testing them on live applications, and being able to demonstrate those exploits with confidence. For those that consider themselves "experts" in Web application security, what did you do to learn the art without actually breaking the law? Or, is this the gray area that nobody likes to talk about because you have to bend the law to its limits?

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• How to remove mount point not selected error?

  - by Karan H. Joshi

  I've free dos laptop with i3 processor 4gb ram nd 500gb hdd. I've installed windows 8 manually and created all partitions. My partitions are: C: Windows8 90GB NTFS D: Blank 25GB FAT32 E: Entertainment 117GB NTFS F: Other 117GB NTFS G: Software 117GB NTFS Now, I've made flash drive for Ubuntu 13.04 and want to install on D: I've tried a lot to install on that partition but every time I got error of No mount point selected. But actually I've selected / as mount point. So please help me to solve this problem. and also suggest me what to do for /home. Note: I want to access windows 8 as my main operating system.

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• Reminder - Mobile World Congress - 4 Industry Workshops

  - by michael.seback

  Got 4G? Paving the Road to Profitable and Efficient LTE Network Planning and Monetization, Register by emailing your details here. Achieving Management Excellence through Enterprise Performance Management, Register by emailing your details here. Offer Deliver and Monetize: Mobile Operator Strategies Consumer and Enterprise Services featuring Telenor and Vodafone Groups, Register by emailing your details here. Is Your Head in the Cloud? How to Get it Right the First Time, Register by emailing your details here. With more than 49,000 communications industry attendees, Mobile World Congress is where the industry comes together and you won't want to miss Oracle at this year's show. The 2011 conference agenda will feature speakers representing the leaders of the world's most innovative companies, both from within the Communications industry and from the growing number of adjacent market sectors joining our expanding mobile ecosystem. Join us to learn how Oracle enables innovative services while reducing the cost and complexity of infrastructure software and hardware.

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• A New Experience

  - by Calum

  So a couple of weeks ago, after a fraction over 12 years, I bade farewell to the Solaris Desktop team to join the team whose blog you're reading now: Oracle's Systems Experience Design team, known internally as sxDesign, which has a wider but still largely Solaris-focused usability remit.1 There's been a good deal of overlap and collaboration between the two teams over the years anyway, so it's not exactly a step into the unknown. The elders among you might remember a GNOME 1.4 usability study I presented at GUADEC in 2001, for example, which was primarily the handiwork of a previous incarnation of sxDesign… I pretty much just turned up at the end to steal the glory for the Desktop team. In your face, people I'm going to be working with now!2 1 A move I was first approached about making in about 2003, I think… who says I'm rubbish at making snap decisions? 2 I'm not really. They all left years ago.

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• A New Experience

  - by Calum

  So a couple of weeks ago, after a fraction over 12 years, I bade farewell to the Solaris Desktop team to join Oracle's Systems Experience Design team, known internally as sxDesign, which has a wider but still largely Solaris-focused usability remit.1 There's been a good deal of overlap and collaboration between the two teams over the years anyway, so it's not exactly a step into the unknown. The elders among you might remember a GNOME 1.4 usability study I presented at GUADEC in 2001, for example, which was primarily the handiwork of a previous incarnation of sxDesign… I pretty much just turned up at the end to steal the glory for the Desktop team. In your face, people I'm going to be working with now!2 1 A move I was first approached about making in about 2003, I think… who says I'm rubbish at making snap decisions? 2 I'm not really. They all left years ago.

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• Triple boot Windows XP, Ubuntu, & Mac on Acer z5g notebook

  - by Yadnesh

  I'm planning to install Mac OS X using these instructions http://basshead.wordpress.com/2010/04/04/snow-leopard-on-acer-aspire-one-aoa150zg5/ on my Acer z5g notebook I have Windows XP & Ubuntu 11.04 dual booting on it perfectly fine. My question is how do I make triple boot system? What exactly do I need to do for this? Do I need to tweak grub for that? I'm going to create 30GB partition for MAC OS X. Is it correct thing to do?

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• Identity R2 in London Oct 24th with Amit Jasuja

  - by Naresh Persaud

  Join Amit Jasuja, Senior Vice President Identity Management and Security, Oracle, and Peter Boyle, Head of Identity Services, BT in London on 24th October 2012 for the UK launch of Oracle Identity Management 11gR2. You’ll learn more about the evolution of this exceptional business solution and get the unique opportunity to network with existing Oracle customers and speak directly with Oracle product experts The agenda includes: An overview of capabilities Product demonstrations Customer presentations An interactive panel discussion Amit Jasuja will also be available for 1:1 meetings. Please email [email protected] to request a meeting with Amit. Click here to Register. 

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• android game performance regarding timers

  - by iQue

  Im new to the game-dev world and I have a tendancy to over-simplify my code, and sometimes this costs me alot fo memory. Im using a custom TimerTask that looks like this: public class Task extends TimerTask { private MainGamePanel panel; public Task(MainGamePanel panel) { this.panel=panel; } /** * When the timer executes, this code is run. */ public void run() { panel.createEnemies(); } } this task calls this method from my view: public void createEnemies() { Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.female); if(enemyCounter < 24){ enemies.add(new Enemy(bmp, this)); } enemyCounter++; } Since I call this in the onCreate-method instead of in my views contructor (because My enemies need to get width and height of view). Im wondering if this will work when I have multiple levels in game (start a new intent). And if this kind of timer really is the best way to add a delay between the spawning-time of my enemies performance-wise. adding code for my timer if any1 came here cus they dont understand timers: private Timer timer1 = new Timer(); private long delay1 = 5*1000; // 5 sec delay public void surfaceCreated(SurfaceHolder holder) { timer1.schedule(new Task(this), 0, delay1); //I call my timer and add the delay thread.setRunning(true); thread.start(); }

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• PHP security regarding login

  - by piers

  I have read a lot about PHP login security recently, but many questions on Stack Overflow regarding security are outdated. I understand bcrypt is one of the best ways of hashing passwords today. However, for my site, I believe sha512 will do very well, at least to begin with. (I mean bcrypt is for bigger sites, sites that require high security, right?) I´m also wonder about salting. Is it necessary for every password to have its own unique salt? Should I have one field for the salt and one for the password in my database table? What would be a decent salt today? Should I join the username together with the password and add a random word/letter/special character combination to it? Thanks for your help!

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• OOW2012 Session: Identity Management and the Cloud

  - by Darin Pendergraft

  Cloud architecture and the agility and cost savings it provides are compelling reasons for companies to consider this alternative deployment option.  However, concerns about security keep customers from making the investment. If you are at Oracle Openworld 2012, please join us for a discussion about IDM and the Cloud - Wednesday,  October 3 @ 1:15 pm - 2:15 pm in Moscone West 3008. Mike Neuenschwander and Melody Liu from Oracle will host special guests John Houston from UPMC, Tim Patterson from CONAGRA Foods Inc., and John Hill from SaskTel as they discuss how customers are addressing security and identity issues in the cloud. Click the link for a full session description: session description

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• Thunderbird/Firefox with shared profiles (Lubuntu+WinXP)

  - by Ray

  I use Thunderbird and Firefox both on WinXP and Lubuntu 11.10. The profile folders are on the NTFS-partition of Windows and I'm sure that I've edited the profile paths correctly. Windows doesn't show any problems but Lubuntu shows the error dialog saying that another instance of Thunderbird/Firefox is already running..." The funny thing is, that as soon as I've opened the profile folders in my explorer, firefox and thunderbird can be started. I don't have to change any files or something (Have made some experiments with .parentlock) Do you have an idea how I could solve this problem, as I don't want to open the profile folders after every reboot. Thanks in advance!

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• ING: Scaling Role Management and Access Certification to Thousands of Applications

  - by Tanu Sood

  Organizations deal with employee and user access certifications in different ways.  There’s collation of multiple spreadsheets, an intense two-week exercise by managers or use of access certification tools to do so across a handful of applications. But for most organizations compliance is about certifying user access for thousands of employees across hundreds of systems. Managing and auditing millions of entitlement combinations on a periodic basis poses a huge scale challenge. ING solved the compliance scale challenge using an Identity Platform approach. Join the live webcast featuring ING’s enterprise architect, Mark Robison, as he discusses how a platform approach offers value that is greater than the sum of its parts and enables ING to successfully meet their security and compliance goals. Mark will also share his implementation experiences and discuss the key requirements to manage the complexity and scale of access certification efforts at ING. Mark will be joined by Neil Gandhi, Principal Product Manager for Oracle Identity Analytics. Live WebcastING: Scaling Role Management and Access Certification to Thousands of ApplicationsWednesday, April 11th at 10 am Pacific/ 1 pm EasternRegister Today

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• Using GParted to rescue data and format hard drive to NTFS

  - by Ishan

  I'm having problems booting to Windows XP due to bad sectors on the hard drive. I've tried fixboot and fixmbr from the recovery console. That only made matters worse. Now I want to use GParted to attempt data rescue and format the hard drive to NTFS. Unfortunately, I get an error (Picture 2) when trying to recover my files, and the option to format the hard drive is grayed out. The only thing I can do is create a new partition. When I click "view" I get the "Unable to open the default file manager" error

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• Managing multiple Adwords accounts from one Google account

  - by CJM

  I have a Gmail account linked to numerous Analytics accounts, and a couple of Adwords accounts - that is, I can track stats from a dozen or so sites, and have administration rights for a couple of Adwords campaigns. However, a client has already set-up their Adwords account and has invited me help administer their campaign. However, when I try to accept, I get the folowing error: The Google Account xxx already has access to an AdWords account (Customer ID: ). As many have discovered, for some reason Google won't let an account that already owns an Adwords campaign, to join another account. However, I wondering if there is any workaround for this? Temporarily, I'm using a separate Gmail account for this, but what is the longer term solution. Going forwards, sometimes clients will be happy from me to 'host' their campaigns (but providing them with access), but I'm equally sure that many will want to retain greater control. Surely there must be a better way than creating an additional Gmail account for each client? How do web/SEO agencies handle this?

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• Webinar: Meeting Customer Expectations in the New Age of Retail

  - by Sanjeev Sharma

  Webcast Date: Thursday, November 8, 2012 Time: 10am PT/ 1pm ET The retail market has expanded into the online, mobile, and social worlds. But the key to success hasn’t changed since the days of traditional, brick-and-mortar business. It’s still about service. A successful retailer today in omni-channel customer engagement must be able to deliver quality service that meets customer expectations. For many retailers, Oracle Web commerce applications help them achieve that success, allowing them to market, interact, and transact across multiple channels in a predictable, consistent, and personalized manner. Join us for this Webcast, and learn what Oracle applications can do for your business. In this session, we will discuss: The significance and dimensions of modern omni-channel customer experience The Oracle Commerce platform Real-world examples of business value derived by running customer-facing applications on Oracle Engineered Systems Register today Speakers: Sanjeev Sharma Principal Product Director, Oracle Exalogic, Oracle Kelly Goetsch Senior Principal Product Manager, Oracle Commerce, Oracle Dan Conway Senior Product Manager, Oracle Retail, Oracle

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• Password-free logins using your email address only?

  - by Mario

  The state of logins is horrendous. With each site having it's own rules for passwords, it can be very hard to remember what variation you used on any given site. Logins are pure pain. One thing I love about Craigslist is that it did away with logins altogether. I know this design may not suit every site, but there's something to their design that beckons to be repeated. OpenID is great on sites that have adopted it, but it's still not standard. Would it be feasible/wise to use an email address as a login and provide no password? The site would send a short-term key directly to your email address. You click on the link and you're in. When you're done, you "logout" and your key is terminated. I've toyed with this idea before. What concerns (i.e. spammers, bots, etc.) would make this impractical or unsafe and could they be overcome?

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• Parallelism implies concurrency but not the other way round right?

  - by Cedric Martin

  I often read that parallelism and concurrency are different things. Very often the answerers/commenters go as far as writing that they're two entirely different things. Yet in my view they're related but I'd like some clarification on that. For example if I'm on a multi-core CPU and manage to divide the computation into x smaller computation (say using fork/join) each running in its own thread, I'll have a program that is both doing parallel computation (because supposedly at any point in time several threads are going to run on several cores) and being concurrent right? While if I'm simply using, say, Java and dealing with UI events and repaints on the Event Dispatch Thread plus running the only thread I created myself, I'll have a program that is concurrent (EDT + GC thread + my main thread etc.) but not parallel. I'd like to know if I'm getting this right and if parallelism (on a "single but multi-cores" system) always implies concurrency or not? Also, are multi-threaded programs running on multi-cores CPU but where the different threads are doing totally different computation considered to be using "parallelism"?

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• How do I mount this HDD?

  - by Casval Deikun

  I have a Windows HDD attached to an external docking bay on my Ubuntu System, but the HDD brings up an error message: Mounting exited with exit code 14:windows is hibernated, refused to mount. Failed to mount '/dev/sde2':Operation not permitted. The NTFS partition is hibernated. Please resume and shutdown windows properly or mount the volume read-only with the 'ro' mount option, or mount the volume read-write with the 'remove_hiberfile' mount option. For example type in command line: mount -t ntfs-3g-o remove_hiberfile/dev/sde2/media/FE46D60C46D5C615 I am at a loss for exactly how to remove the hiberfile, or even mount it as read-only or read-write. I tried directly copy and pasting that exact command into my terminal, but it said: mount:only root can do that I do not know what to do at this point. I do need to get the information off of this drive, but I do not have a computer to put it in. Does anyone know what I should do from here?

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• Cannot install ubuntu on Asus UX51VZ

  - by Andrey Frunt

  I removed Win8, changed partition table from GPT to MBR and installed Win7. The problem is that I don't see the grub after I installed ubuntu and only win7 boots. Any ideas? I tried to reinstall all of listed above about 5 times but with no success :( I tried both 13.04 and 13.10 UPD: I also tried Boot-Repair and it installed the grub2 for me but unfortunately only with options to run ubuntu, so I repaired bootrecord using windows tools to have an ability to run to windows. Anyway I still cannot configure the dual boot. Please help :)

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• How to Setup Network Link aggregation (802.3ad) on Ubuntu

  - by Sysadmin Geek

  Do you need to pump large amounts of data to a multitude of clients simultaneously, while only using a single IP address? By using “link aggregation” we can join several separate network cards on the system into one humongous NIC. Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Super-Charge GIMP’s Image Editing Capabilities with G’MIC [Cross-Platform] Access and Manage Your Ubuntu One Account in Chrome and Iron Mouse Over YouTube Previews YouTube Videos in Chrome Watch a Machine Get Upgraded from MS-DOS to Windows 7 [Video] Bring the Whole Ubuntu Gang Home to Your Desktop with this Mascots Wallpaper Hack Apart a Highlighter to Create UV-Reactive Flowers [Science]

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• Hot Java Content

  - by Tori Wieldt

  It's August, summertime in the United States, and time for many of us to go on vacation. (You'll have to find my personal account to see more photos of the Monterey Bay Aquarium.) Here's some great Java content that you may have missed while I was gone: Blogs  Project Jigsaw: Late for the train: The Q&A JSR 355 Final Release, and moves JCP to version 2.9Oracle releases JDK for Linux ARM, JRE for Mac OS XArchitects and Architecture at JavaOne 2012Java Champions at JavaOne 2012 Podcasts & Videos Java Spotlight Episode 96: Johan Vos on Glassfish and JavaFXJava Spotlight Episode 94: Kirk Pepperdine on Java Performance TuningJava Spotlight Episode 93: Jonathan Giles on JavaFX 2.2 UI ControlsVideo: JavaFX Canvas Node July/August Java Magazine (free subscription) Developer Power: Web-based Development ToolsFork/Join Framework for Client Java ApplicationsIntro to Web Service SecurityHow to Modify javacOracle's Berkeley DB Java Edition's Java API and more. Java Magazine is available on the App Store and the Android Market. Get all this great Java content while it's as hot as a North American (non-San Franciscian) summer. 

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• NoSQL as file meta database

  - by fga

  I am trying to implement a virtual file system structure in front of an object storage (Openstack). For availability reasons we initially chose Cassandra, however while designing file system data model, it looked like a tree structure similar to a relational model. Here is the dilemma for availability and partition tolerance we need NoSQL, but our data model is relational. The intended file system must be able to handle filtered search based on date, name etc. as fast as possible. So what path should i take? Stick to relational with some indexing mechanism backed by 3 rd tools like Apache Solr or dig deeper into NoSQL and find a suitable model and database satisfying the model? P.S: Currently from NoSQL Cassandra or MongoDB are choices proposed by my colleagues.

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