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  • Upcoming speaking engagements – want to meet me?

    - by Hugo Kornelis
    I have a very busy time ahead of me, with lots of travel, lots of speaking engagements, and hence lots of opportunity to meet and catch up with what has become known as the SQL Family. (An excellent term, by the way – it describes exactly how it has always felt to me!) So, for everyone who want to know when and where they can meet me (as well as for everyone who wants to make sure to stay as far away from me as possible), here is my schedule for the rest of the year, in chronological order: · September...(read more)

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  • How do I mount my External HDD with filesystem type errors?

    - by Snuggie
    I am a relatively new Ubuntu user and I am having some difficulty mounting my external 2TB HDD. When I first installed Linux my external HDD was working just fine, however, it has stopped working and I have a lot of important files on there that I need. Before my HDD would automatically mount and no worries. Now, however, it doesn't automatically mount and when I try to manually mount it I keep running into filesystem type errors that I can't seem to get past. Below are images that depict my step by step process of how I am trying to mount my HDD along with the errors I am receiving. If anybody has any idea what I am doing wrong or how to correct the issue I would greatly appreciate it. Step 1) Ensure the computer recognizes my external HDD. pj@PJ:~$ dmesg ... [ 5790.367910] scsi 7:0:0:0: Direct-Access WD My Passport 0748 1022 PQ: 0 ANSI: 6 [ 5790.368278] scsi 7:0:0:1: Enclosure WD SES Device 1022 PQ: 0 ANSI: 6 [ 5790.370122] sd 7:0:0:0: Attached scsi generic sg2 type 0 [ 5790.370310] ses 7:0:0:1: Attached Enclosure device [ 5790.370462] ses 7:0:0:1: Attached scsi generic sg3 type 13 [ 5792.971601] sd 7:0:0:0: [sdb] 3906963456 512-byte logical blocks: (2.00 TB/1.81 TiB) [ 5792.972148] sd 7:0:0:0: [sdb] Write Protect is off [ 5792.972162] sd 7:0:0:0: [sdb] Mode Sense: 47 00 10 08 [ 5792.972591] sd 7:0:0:0: [sdb] No Caching mode page found [ 5792.972605] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 5792.975235] sd 7:0:0:0: [sdb] No Caching mode page found [ 5792.975249] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 5792.987504] sdb: sdb1 [ 5792.988900] sd 7:0:0:0: [sdb] No Caching mode page found [ 5792.988911] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 5792.988920] sd 7:0:0:0: [sdb] Attached SCSI disk Step 2) Check if it mounted properly (it does not) pj@PJ:~$ df -ah Filesystem Size Used Avail Use% Mounted on /dev/sda1 682G 3.9G 644G 1% / proc 0 0 0 - /proc sysfs 0 0 0 - /sys none 0 0 0 - /sys/fs/fuse/connections none 0 0 0 - /sys/kernel/debug none 0 0 0 - /sys/kernel/security udev 2.9G 4.0K 2.9G 1% /dev devpts 0 0 0 - /dev/pts tmpfs 1.2G 928K 1.2G 1% /run none 5.0M 0 5.0M 0% /run/lock none 2.9G 156K 2.9G 1% /run/shm gvfs-fuse-daemon 0 0 0 - /home/pj/.gvfs Step 3) Try mounting manually using NTFS and VFAT (both as SDB and SDB1) pj@PJ:~$ sudo mount /dev/sdb /media/Passport/ NTFS signature is missing. Failed to mount '/dev/sdb': Invalid argument The device '/dev/sdb' doesn't seem to have a valid NTFS. Maybe the wrong device is used? Or the whole disk instead of a partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around? pj@PJ:~$ sudo mount /dev/sdb1 /media/Passport/ NTFS signature is missing. Failed to mount '/dev/sdb1': Invalid argument The device '/dev/sdb1' doesn't seem to have a valid NTFS. Maybe the wrong device is used? Or the whole disk instead of a partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around? pj@PJ:~$ sudo mount -t ntfs /dev/sdb /media/Passport/ NTFS signature is missing. Failed to mount '/dev/sdb': Invalid argument The device '/dev/sdb' doesn't seem to have a valid NTFS. Maybe the wrong device is used? Or the whole disk instead of a partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around? pj@PJ:~$ sudo mount -t vfat /dev/sdb /media/Passport/ mount: wrong fs type, bad option, bad superblock on /dev/sdb, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so pj@PJ:~$ sudo mount -t ntfs /dev/sdb1 /media/Passport/ NTFS signature is missing. Failed to mount '/dev/sdb1': Invalid argument The device '/dev/sdb1' doesn't seem to have a valid NTFS. Maybe the wrong device is used? Or the whole disk instead of a partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around? pj@PJ:~$ sudo mount -t vfat /dev/sdb1 /media/Passport/ mount: wrong fs type, bad option, bad superblock on /dev/sdb1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so

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  • Rails - How to use modal form to add object in one model, then reflect that change on main page?

    - by Jim
    I'm working on a Rails app and I've come across a situation where I'm unsure of the cleanest way to proceed. I posted a question on SO with code samples and such - it has received no answers, and the more I think about the problem, the more I think I might be approaching this the wrong way. (See the SO question at http://stackoverflow.com/questions/9521319/how-to-reference-form-when-rendering-partial-from-js-erb-file) So, in more of a generic architecture type question: Right now I have a form where a user can add a new recipe. The form also allows the user to select ingredients (it uses a collection_select which contains Ingredient.all). The catch is - I'd like the user to be able to add a new ingredient on the fly, without leaving the recipe form. Using a hidden div and some jQuery/AJAX, I have a link the user can click to popup a modal form containing ingredients/new.html.erb which is a simple form. When that form is submitted, I call ingredients/create.js.erb to validate the ingredient was saved and hide the modal div. Now I am back to my recipe form, but my collection_select hasn't updated. It seems I have a few choices here: try and re-render the collection_select portion of the form so it grabs a new list of ingredients. This was the method I was attempting when I wrote the SO question. The problem I run into is the partial I use for the collection_select needs the parent form passed in, and when I try and render from the JS file I don't know how to pass it the form object. Reload the recipe form. This works (the collection_select now contains the new ingredient), but the user loses any progress they made on the recipe form. I would need a way to persist the form data - I thought about manually passing the values back and forth, but that is sloppy and there has to be a better way... Try and manually insert the tags using jQuery - this would be simple, but because I'm allowing for multiple ingredients to be added, I can't be certain what ID to target. Now, I can't be the only person to have this issue - so is there an easier way I'm missing? I like option 2 above, but I don't know if there's an easy way to grab the entire params hash as if I had submitted the main recipes form. Hopefully someone can point me in the right direction so I can find an answer to this... If this doesn't make any sense at all, let me know - I can post code samples if you want, but most of the pertinent code is up on the SO question. Thanks!

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  • Problems, connecting Android ICS to Ubuntu using MTP

    - by ubuntico
    I've followed this tutorial from this blog which very clearly explains how to connect Android phone with ICS to Ubuntu so that one can access phone's sdcard (MTP access). I passed all the procedure with no errors, I can event attach my mobile to ubuntu via mtpfs -o allow_other ~/Android/GalaxyS2 and disconnect via fusermount -u ~/Android/GalaxyS2 The problem comes when I try to access mounted directory. If I try to do it via Nautilus, the system tries to open the folder for a couple of minutes and then, I either see the error, or the folder disappears from Nautilus (it comes back when I disconnect the path). I also get a console error: fuse: bad mount point `~/Android/GalaxyS2': Transport endpoint is not connected I see many people on the net reporting this error, but noone offers any solution to it. I use Ubuntu 11.10 with Gnome Shell (Gnome 3) and the mobile is Samsung Galaxy S II. I am in the fuse list, I did all the steps in the tutorial for dozens of times, all in vain.

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  • Unable to mount hard disk

    - by user101522
    I am unable to mount hard disk and got this message: Unable to mount 158 GB Filesystem Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sda1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so From the terminal, I tried syslog - try: No command 'syslog' found, did you mean: Command 'dsyslog' from package 'dsyslog' (universe) Command 'syslogd' from package 'sysklogd' (universe) Command 'syslogd' from package 'inetutils-syslogd' (universe) Command 'syslogd' from package 'busybox-syslogd' (universe) syslog: command not found Also tried dmesg | tail: [ 971.390588] sd 0:0:0:0: [sda] CDB: Read(10): 28 00 12 62 30 80 00 00 40 00 [ 971.390600] end_request: I/O error, dev sda, sector 308424832 [ 971.390605] Read-error on swap-device (8:0:308424840) [ 971.390608] Read-error on swap-device (8:0:308424848) [ 971.390617] Read-error on swap-device (8:0:308424856) [ 971.390620] Read-error on swap-device (8:0:308424864) [ 971.390623] Read-error on swap-device (8:0:308424872) [ 971.390626] Read-error on swap-device (8:0:308424880) [ 971.390629] Read-error on swap-device (8:0:308424888) [ 971.390632] Read-error on swap-device (8:0:308424896) It was fine before I tried to re-install 12.04 from the live CD (which failed due to the disk problem).

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  • If the net is required to install an Atheros 8161 driver,how do I connect to the net without the driver?

    - by Paul
    If Ubuntu does not recognize hardware to connect to the net, and a net connection is necessary in order to install drivers for hardware that connects to the net, then how is such a system ever going to connect to the net? You can see the situation in this thread: How do I install drivers for the Atheros AR8161 Ethernet controller? and in this thread: build-essential and linux-headers-generic gives abort message Surely, surely, there is a way out of this catch-22.

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  • Play or Lift: which one is more explicit?

    - by Andrea
    I am going to investigate web development with Scala, and the choice is between learning Lift or Play: probably I will not have enough time to try both, at least at first. Now, many comparisons between the two are available on the internet, but I would like to know how do they compare with respect to being explicit and involving less magic. Let me explain what I mean by example. I have used, to various degrees, CakePHP, symfony2, Django and Grails. I feel a very clear distinction between Django and symfony2, which are very explicit about what you are doing, and Grails and CakePHP, which try to do their best to guess what you are trying to achieve and often feel "magical". Let me give some examples comparing Django and Grails. In Django, views are functions that take a request as input and return a response. You can instantiate explicitly an instance of HttpResponse and populate its body with a string, or you can use shortcut functions to leverage the template system. In any case the return value from your view always has the same type. In contrast, the render method from Grails is highly polymorphic. You can throw a context at it and it will try to render a template which is found by convention using that context. Or you can pass it a pair of a template path and a context and that will work too. Or a string. Or XML. Grails tries hard to make sense of whatever you return from your controller. In the Django ORM, each model class has a static attribute representing the manager for that class. That manager exposes a fluent interface to build querysets. In Grails, you can have a similar functionality by composing detached criteria. Still, the most common way to query objects seems to be the use of runtime-generated methods like FindUserByEmailNotNull or FindPostByDateGreaterThan. I will not go further, but my point is that in Django-like frameworks you have control over the whole flow of the request/response process, while in Grails-like ones I feel I only have to feel the blanks and the framework will manage the rest of the flow for me. This is not to criticize Grails or CakePHP; which type you prefer is mainly a matter of preference. In fact, I happen to like some aspects of Grails, but I feel more comfortable with a framework which does less for me. Back to the point of the question: which one among Play and Lift is more explicit about what you do and which one tries to simplify more what you have to do with a layer of "magic"?

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  • Ubuntu install and dual Boot with Windows 8 UEFI

    - by Jose Maria
    i have Ubuntu 12.04 x64 ISO, i load it on a Fat32 USB. My notebook has a hdd with GPT where i installed Official Win 8 Pro x64 (final versión), I partitioned the whole hdd, previously of win 8 install, and bios is set with UEFI boot. My BIOS notebook doesn't support SECURE UEFI BOOT. So I boot the notebook from USB and the Grub runs OK showing whether to run Ubuntu live or to install, but neither one neither two works, when I choose then the screen shows black and nothing happen, it doesn't start/loads the install program. I've try whether to prepare the usb with unetbootin, or just direct copy/paste the files onto the USB. I also have try WUBI, but neither with success, it launch an error when ending.

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  • partitioning in ubuntu with gparted cant resize

    - by user288830
    I opened gparted and as i can see i have 3 partitions(or i think so) first one sda1 (236 mb) its ext2 type file and its booting point, second one is sda2(rest of the hdd 1.36 tb) extended ntfs type file and i have third one that is within the sda2 called sda5 it takes the same space as sda 2 and its file type is crypt luks, so when i try to resize the sda2 i cant resize it not for even 1 mb, i dont know if that crypt luks file is causing the problem, so i dont know what to do, by the way i can format the crypt luks(sda5) file that in inside sda 2 but i dont know if i should.Can anyone help me please? here are the pictures when i open gparted when i try to resize sda 2 i think i did use encryption i mean while it is booting i type password and its says sda5/scrypt set up succefully or something like that and then it goes to my login screen where i type username and pass that is it

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  • Could not connect to wireless unitl reboot (nl80211)

    - by user107410
    I'm using Samsung NP900X3C. I have problem with occasionally connecting to WIFI, with Ubuntu 12.10. Sometimes my computer could not connect to WIFI "blab", neither after reboot computer. Only solution is to restart WIFI hotspot. It's public WIFI, used by many users, that don't have that problem. My /var/log/syslog: Nov 12 10:09:39 k15 wpa_supplicant[1308]: wlan0: SME: Trying to authenticate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz) Nov 12 10:09:39 k15 kernel: [ 8.908610] wlan0: authenticate with 64:70:02:89:7c:d7 Nov 12 10:09:39 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: scanning -> authenticating Nov 12 10:09:39 k15 kernel: [ 8.915032] wlan0: send auth to 64:70:02:89:7c:d7 (try 1/3) Nov 12 10:09:39 k15 wpa_supplicant[1308]: wlan0: Trying to associate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz) Nov 12 10:09:39 k15 kernel: [ 8.916753] wlan0: authenticated Nov 12 10:09:39 k15 kernel: [ 8.916839] wlan0: waiting for beacon from 64:70:02:89:7c:d7 Nov 12 10:09:39 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: authenticating -> associating Nov 12 10:09:39 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: associating -> disconnected Nov 12 10:09:39 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: disconnected -> scanning Nov 12 10:09:42 k15 wpa_supplicant[1308]: wlan0: SME: Trying to authenticate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz) Nov 12 10:09:42 k15 kernel: [ 12.386212] wlan0: authenticate with 64:70:02:89:7c:d7 Nov 12 10:09:42 k15 wpa_supplicant[1308]: wlan0: Trying to associate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz) Nov 12 10:09:42 k15 kernel: [ 12.389114] wlan0: send auth to 64:70:02:89:7c:d7 (try 1/3) Nov 12 10:09:42 k15 kernel: [ 12.391021] wlan0: authenticated Nov 12 10:09:42 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: scanning -> authenticating Nov 12 10:09:42 k15 kernel: [ 12.391332] wlan0: waiting for beacon from 64:70:02:89:7c:d7 Nov 12 10:09:42 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: authenticating -> associating Nov 12 10:09:43 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: associating -> disconnected Nov 12 10:09:43 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: disconnected -> scanning Nov 12 10:09:46 k15 wpa_supplicant[1308]: wlan0: SME: Trying to authenticate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz) and after restart WiFi, I could connect: Nov 12 10:11:51 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: inactive -> scanning Nov 12 10:11:55 k15 wpa_supplicant[1308]: wlan0: SME: Trying to authenticate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz) Nov 12 10:11:55 k15 kernel: [ 144.445154] wlan0: authenticate with 64:70:02:89:7c:d7 Nov 12 10:11:55 k15 kernel: [ 144.453994] wlan0: send auth to 64:70:02:89:7c:d7 (try 1/3) Nov 12 10:11:55 k15 wpa_supplicant[1308]: wlan0: Trying to associate with 64:70:02:89:7c:d7 (SSID='blab' freq=2427 MHz) Nov 12 10:11:55 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: scanning -> authenticating Nov 12 10:11:55 k15 kernel: [ 144.455860] wlan0: authenticated Nov 12 10:11:55 k15 kernel: [ 144.458681] wlan0: associate with 64:70:02:89:7c:d7 (try 1/3) Nov 12 10:11:55 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: authenticating -> associating Nov 12 10:11:55 k15 kernel: [ 144.462799] wlan0: RX AssocResp from 64:70:02:89:7c:d7 (capab=0x431 status=0 aid=9) Nov 12 10:11:55 k15 kernel: [ 144.486368] wlan0: associated Nov 12 10:11:55 k15 wpa_supplicant[1308]: wlan0: Associated with 64:70:02:89:7c:d7 Nov 12 10:11:55 k15 kernel: [ 144.487435] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready Nov 12 10:11:55 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: associating -> associated Nov 12 10:11:55 k15 NetworkManager[1004]: <info> (wlan0): supplicant interface state: associated -> 4-way handshake This problem is appearing regulary. My WiFi device control is nl80211. Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): using nl80211 for WiFi device control Nov 12 10:09:32 k15 NetworkManager[1004]: <warn> (wlan0): driver supports Access Point (AP) mode Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): new 802.11 WiFi device (driver: 'iwlwifi' ifindex: 3) Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): exported as /org/freedesktop/NetworkManager/Devices/0 Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): now managed Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2] Nov 12 10:09:32 k15 NetworkManager[1004]: <info> (wlan0): bringing up device.

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  • PHP API to trade products from eshop through REST/xml

    - by Donatas Veikutis
    I need algorithm, or PHP api example, or existing decision how to make system for trade big information for B2B xml with goods information. Now I try to use Slim framework to do that system. But for me need some documentation what architecture have to be in here. System requiments is simple: User have autentification username and password Then he can see which product groups assigned to it Then he can see all product with information (price, title, description, images, specifications etc.). Its will the easiest way to get a free php api for that I think, and try too edit some code. But I did not found anything.

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  • links for 2011-01-31

    - by Bob Rhubart
    Do (Software) Architects Architect? "The first question, is 'Why is architect being used as a verb?' Mirriam-Webster dictionary does not contain a definition of architect as a verb, nor do many other recognized dictionaries." -- TheCPUWizard (tags: softwarearchitecture) Oracle Business Intelligence Blog: Gartner Magic Quadrant for BI Platforms 2011 "Oracle customers indicate they deploy the Oracle Business Intelligence Suite Enterprise Edition (OBIEE) platform to support among the most complex deployments in our survey." - Gartner (tags: oracle businessintelligence gartner) Oracle BI Server Modeling, Part 1- Designing a Query Factory (Oracle BI Foundation) Bob Ertl lays the groundwork for Business Intelligence modeling concepts with a look at "the big picture of how the BI Server fits into the system, and how the CEIM controls the query processing." (tags: oracle otn businessintelligence) Tom Graves: Modelling people in enterprise-architecture Tom says: "One of the key characteristics of ‘crossing the chasm’ to a viable whole-of-enterprise architecture is the explicit inclusion of people. In short, we need to be able to model and map where people fit in relation to the architecture. But there’s a catch. A big catch." (tags: entarch) Java developer webcasts for customers and partners (SOA Partner Community Blog) Jurgen Kress shares info on several upcoming online events focused on WebLogic. (tags: weblogic oracle otn soa) Business SOA: Data Services are bogus, Information services are real Steve Jones says: "The other day when I was talking about MDM a bright spark pointed out that I hated data services but wasn't MDM just about data services?" (tags: SOA MDM) Andrejus Baranovskis's Blog: Configuring Missing Contribution Folders for Oracle UCM 11g and WebCenter 11g PS3 Andrejus says: "After doing some research on UCM, we found that Folders_g component must be configured in UCM, for Contribution Folders to be enabled." (tags: oracle otn oracleace UCM webcenter enterprise2.0) Wim Coekaerts: Converting an Oracle VM VirtualBox VM into an Oracle VM Server image Wim Coekaerts offers a few simple steps to convert an existing Oracle VM VirtualBox image.  (tags: oracle otn virtualization virtualbox) Stefan Hinker: Secure Deployment of Oracle VM Server for SPARC This new paper from Stefan Hinker will help you understand the general security concerns in virtualized environments as well as the specific additional threats that arise out of them. (tags: oracle otn SPARC virtualization enterprisearchitecture) The EA Roadmap to Rationalize, Standardize, and Consolidate the IT Portfolio Enterprise IT is in a state of constant evolution. As a result, business processes and technologies become increasingly more difficult to change and more costly to keep up-to-date. (tags: entarch oracle otn)

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  • How to retrieve data from a corruped volume

    - by explorex
    Hi, My Ubuntu 10.10 just crashed(probably due to hardware error and in the end I was getting error like Unknown filesystem ..... grub> .. GRUB console before i could take some action) and i reinstalled the same version form USB stick. I had ubuntu installed in ext4 file system and I am also having the same filesystem in the same hard disk on different drive. When I try to access my previous filesystem, i get error Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sda6, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so I had some important files in the previous volume, I don't know how to retrieve them. And what are the chances that I would get the same outcome (hardware error)? Please help me!

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  • OUYA and Unity set up problems

    - by Atkobeau
    I'm having trouble with the Unity / OUYA plugin. I'm using Unity 4 with the latest update on a Windows 7 machine. When I open the starter kit and try to compile the plugin I get the following error: Picked up _JAVA_OPTIONS: -Xmx512M And if I try to Build and Run I get this error: Error building Player: ArgumentException: Illegal characters in path. I'm stumped, I've gone through lots of forum posts here and on stackoverflow and I can't seem to resolve it. My environment variables look like this: PATH - C:\Users\dave\Documents\adt-bundle-windows-x86_64-20130219\sdk\tools; C:\Users\dave\Documents\adt-bundle-windows-x86_64-20130219\sdk\platform-tools\ JAVA_HOME - C:\Program Files (x86)\Java\jdk1.6.0_45\ Everything in the OUYA Panel is white Any ideas?

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  • Fresh Ubuntu Install - Grub not loading

    - by Ryan Sharp
    System Ubuntu 12.04 64-bit Windows 7 SP1 Samsung 64GB SSD - OS' Samsung 1TB HDD - Games, /Home, Swap WD 300'ishGB HDD - Backup Okay, so I'm very frustrated, so please excuse me if I miss anything out as my head is clouded by anger and impatience, etc. I'll try me best, though. First of all, I'll explain how I got to my predicament. I finally got my new SSD. I firstly installed Windows, which completed without a hitch. Afterwards, I tried to install Ubuntu, which failed several times due to problems irrelevant to this question, but I mention this to explain my frustrations, sorry. Anyway, I finally installed Ubuntu. However, I chose the 'bootloader' to be installed on the same partition as where I was installing the Ubuntu Root partition, as that was what I believed to be the best choice. It was of my thinking that it was supposed to go on the same partition and on the SSD, which is my OS drive, though with my problem, it apparently was wrong. So I tried to fix it by checking guides and following their directions, but seemed to have messed it up even more. Here is what I receive after I use the fdisk -l command: (I also added explanations for which I used each partition for) Disk /dev/sda: 64.0 GB, 64023257088 bytes 255 heads, 63 sectors/track, 7783 cylinders, total 125045424 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x324971d1 Device Boot Start End Blocks Id System /dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT /dev/sda2 208896 48957439 24374272 7 HPFS/NTFS/exFAT /dev/sda3 48959486 125044735 38042625 5 Extended /dev/sda5 48959488 125044735 38042624 83 Linux sda1 --/ Windows Recovery sda2 --/ Windows 7 sda3/5 --/ Ubuntu root [ / ] Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xc0ee6a69 Device Boot Start End Blocks Id System /dev/sdb1 1024208894 1953523711 464657409 5 Extended /dev/sdb3 * 2048 1024206847 512102400 7 HPFS/NTFS/exFAT /dev/sdb5 1024208896 1939851263 457821184 83 Linux /dev/sdb6 1939853312 1953523711 6835200 82 Linux swap / Solaris sdb3 --/ Partition for Steam games, etc. sdb5 --/ Ubuntu Home [ /home ] sdb6 --/ Ubuntu Swap Partition table entries are not in disk order Disk /dev/sdc: 320.1 GB, 320072933376 bytes 255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x292eee23 Device Boot Start End Blocks Id System /dev/sdc1 2048 625141759 312569856 7 HPFS/NTFS/exFAT sdc1 --/ Generic backup I also used a Boot Script that other users suggested, so that I can give more details on my partitions and also where Grub is located... ============================= Boot Info Summary: =============================== => Grub2 (v1.99) is installed in the MBR of /dev/sda and looks at sector 1 of the same hard drive for core.img. core.img is at this location and looks for (,msdos5)/boot/grub on this drive. => Grub2 (v1.99) is installed in the MBR of /dev/sdb and looks at sector 1 of the same hard drive for core.img. core.img is at this location and looks for (,msdos5)/boot/grub on this drive. => Windows is installed in the MBR of /dev/sdc. Now that is weird... Why would Grub2 be installed on both my SSD and HDD? Even weirder is why is Windows on the MBR of my backup hard drive? Nothing I did should have done that... Anyway, here is the entire Output from that script... PASTEBIN So, to summarize what I need: How can I fix my setup so grub loads on startup? How can I clean my partitions to remove unnecessary grubs? What did I do wrong so that I don't do something so daft again? Thank you so much for reading, and I hope you can help me. I've been trying to have a successful setup since Friday, and I'm almost at the point that I'm really tempted to throw my computer out the window due to my frustration.

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  • Talking JavaOne with Rock Star Kirk Pepperdine

    - by Janice J. Heiss
    Kirk Pepperdine is not only a JavaOne Rock Star but a Java Champion and a highly regarded expert in Java performance tuning who works as a consultant, educator, and author. He is the principal consultant at Kodewerk Ltd. He speaks frequently at conferences and co-authored the Ant Developer's Handbook. In the rapidly shifting world of information technology, Pepperdine, as much as anyone, keeps up with what's happening with Java performance tuning. Pepperdine will participate in the following sessions: CON5405 - Are Your Garbage Collection Logs Speaking to You? BOF6540 - Java Champions and JUG Leaders Meet Oracle Executives (with Jeff Genender, Mattias Karlsson, Henrik Stahl, Georges Saab) HOL6500 - Finding and Solving Java Deadlocks (with Heinz Kabutz, Ellen Kraffmiller Martijn Verburg, Jeff Genender, and Henri Tremblay) I asked him what technological changes need to be taken into account in performance tuning. “The volume of data we're dealing with just seems to be getting bigger and bigger all the time,” observed Pepperdine. “A couple of years ago you'd never think of needing a heap that was 64g, but today there are deployments where the heap has grown to 256g and tomorrow there are plans for heaps that are even larger. Dealing with all that data simply requires more horse power and some very specialized techniques. In some cases, teams are trying to push hardware to the breaking point. Under those conditions, you need to be very clever just to get things to work -- let alone to get them to be fast. We are very quickly moving from a world where everything happens in a transaction to one where if you were to even consider using a transaction, you've lost." When asked about the greatest misconceptions about performance tuning that he currently encounters, he said, “If you have a performance problem, you should start looking at code at the very least and for that extra step, whip out an execution profiler. I'm not going to say that I never use execution profilers or look at code. What I will say is that execution profilers are effective for a small subset of performance problems and code is literally the last thing you should look at.And what is the most exciting thing happening in the world of Java today? “Interesting question because so many people would say that nothing exciting is happening in Java. Some might be disappointed that a few features have slipped in terms of scheduling. But I'd disagree with the first group and I'm not so concerned about the slippage because I still see a lot of exciting things happening. First, lambda will finally be with us and with lambda will come better ways.” For JavaOne, he is proctoring for Heinz Kabutz's lab. “I'm actually looking forward to that more than I am to my own talk,” he remarked. “Heinz will be the third non-Sun/Oracle employee to present a lab and the first since Oracle began hosting JavaOne. He's got a great message. He's spent a ton of time making sure things are going to work, and we've got a great team of proctors to help out. After that, getting my talk done, the Java Champion's panel session and then kicking back and just meeting up and talking to some Java heads."Finally, what should Java developers know that they currently do not know? “’Write Once, Run Everywhere’ is a great slogan and Java has come closer to that dream than any other technology stack that I've used. That said, different hardware bits work differently and as hard as we try, the JVM can't hide all the differences. Plus, if we are to get good performance we need to work with our hardware and not against it. All this implies that Java developers need to know more about the hardware they are deploying to.”

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  • Is it possible to get a Proxy Authentication Dialog with Ubuntu Server?

    - by Johnny Bigoode
    I've got a VM Virtual Box with Ubuntu Server. I'set the http_proxy variable using export http_proxy="http://1234:linux@proxy:8080" The problem is that Ubuntu will constantly try to connect to the internet, even when I'm not logged in my company's account, so everyday I need to reset my password since Ubuntu will constantly try to access the internet. Also, it's always a problem when I need to authenticate the proxy with a different user/password. Can't I just set it to make a small prompt when it tries to connect to the proxy and fails? Like Firefox, Chrome and every app I have installed with Windows 7? I get this small dialog box that asks for a username and password when it can't access the internet. The Ubuntu Server doesn't need constant internet connection, specially since it's only online for tests over LAN.

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  • How do I make this rendering thread run together with the main one?

    - by funk
    I'm developing an Android game and need to show an animation of an exploding bomb. It's a spritesheet with 1 row and 13 different images. Each image should be displayed in sequence, 200 ms apart. There is one Thread running for the entire game: package com.android.testgame; import android.graphics.Canvas; public class GameLoopThread extends Thread { static final long FPS = 10; // 10 Frames per Second private final GameView view; private boolean running = false; public GameLoopThread(GameView view) { this.view = view; } public void setRunning(boolean run) { running = run; } @Override public void run() { long ticksPS = 1000 / FPS; long startTime; long sleepTime; while (running) { Canvas c = null; startTime = System.currentTimeMillis(); try { c = view.getHolder().lockCanvas(); synchronized (view.getHolder()) { view.onDraw(c); } } finally { if (c != null) { view.getHolder().unlockCanvasAndPost(c); } } sleepTime = ticksPS - (System.currentTimeMillis() - startTime); try { if (sleepTime > 0) { sleep(sleepTime); } else { sleep(10); } } catch (Exception e) {} } } } As far as I know I would have to create a second Thread for the bomb. package com.android.testgame; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Rect; public class Bomb { private final Bitmap bmp; private final int width; private final int height; private int currentFrame = 0; private static final int BMPROWS = 1; private static final int BMPCOLUMNS = 13; private int x = 0; private int y = 0; public Bomb(GameView gameView, Bitmap bmp) { this.width = bmp.getWidth() / BMPCOLUMNS; this.height = bmp.getHeight() / BMPROWS; this.bmp = bmp; x = 250; y = 250; } private void update() { currentFrame++; new BombThread().start(); } public void onDraw(Canvas canvas) { update(); int srcX = currentFrame * width; int srcY = height; Rect src = new Rect(srcX, srcY, srcX + width, srcY + height); Rect dst = new Rect(x, y, x + width, y + height); canvas.drawBitmap(bmp, src, dst, null); } class BombThread extends Thread { @Override public void run() { try { sleep(200); } catch(InterruptedException e){ } } } } The Threads would then have to run simultaneously. How do I do this?

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  • PASS summit 2013. We do not remember days. We remember moments.

    - by Maria Zakourdaev
      "Business or pleasure?" barked the security officer in the Charlotte International Airport. "I’m not sure, sir," I whimpered, immediately losing all courage. "I'm here for the database technologies summit called PASS”. "Sounds boring. Definitely a business trip." Boring?! He couldn’t have been more wrong. If he only knew about the countless meetings throughout the year where I waved my hands at my great boss and explained again and again how fantastic this summit is and how much I learned last year. One by one, the drops of water began eating away at the stone. He finally approved of my trip just to stop me from torturing him. Time moves as slow as a turtle when you are waiting for something. Time runs as fast as a cheetah when you are there. PASS has come...and passed. It’s been an amazing week. Enormous sqlenergy has filled the city, filled the convention center and the surrounding pubs and restaurants. There were awesome speakers, great content, and the chance to meet most inspiring database professionals from all over the world. Some sessions were unforgettable. Imagine a fully packed room with more than 500 people in awed silence, catching each and every one of Paul Randall's words. His tremendous energy and deep knowledge were truly thrilling. No words can describe Rob Farley's unique presentation style, captivating and engaging the audience. When the precious session minutes were over, I could tell that the many random puzzle pieces of information that his listeners knew had been suddenly combined into a clear, cohesive picture. I was amazed as always by Paul White's great sense of humor and his phenomenal ability to explain complicated concepts in a simple way. The keynote by the brilliant Dr. DeWitt from Microsoft in front of the full summit audience of 5000 deeply listening people was genuinely breathtaking. The entire conference throughout offered excellent speakers who inspired me to absorb the knowledge and use it when I got home. To my great surprise, I found that there are other people in this world who like replication as much I do. During the Birds of a Feather Luncheon, SQL Server MVP Ted Krueger was writing a script for replicating the food to other tables. I learned many things at PASS, and not all of them were about SQL. After three summits, this time I finally got the knack of networking. I actually went up and spoke to people, and believe me, that was not easy for an introvert. But this is what the summit is all about. Sqlpeople. They are the ones who make it such an exciting experience. I will be looking forward to the next year. Till then I have my notes and new ideas. How long was the summit? Thousands of unforgettable moments.

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  • Mobile phone detection (brand, model, browser etc)

    - by SyaZ
    What do you use to detect visitor's mobile phone, down to the model if possible? Currently we maintain our own database but it's really getting behind due to lack of manpower to maintain it, so we decided to give 3rd party solution a try. These are my candidates but I don't have time to really try them all: DeviceAtlas - 1 year personal evaluation, but basic license is affordable. Their database look solid with daily update and user-contributed tests / updates. I am favoring this one at the moment. DetectRight - I was recommended this by a colleague but really can't find much from their site. 20k devices -- really? WURFL - Open source, database collaboratively derived from UAProf. So basically if you're going with UAProf solution, you're better off with WURFL. DetectMoBileBrowsers - This looks like the simplest of all. Too bad it's language dependent (PHP). Please share your experience or suggestions!

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  • SQL Server v.Next (Denali) : Metadata enhancements

    - by AaronBertrand
    In my previous job, we had several cases where schema changes or incorrect developer assumptions in the middle tier or application logic would lead to type mismatches. We would have a stored procedure that returns a BIT column, but then change the procedure to have something like CASE WHEN <condition> THEN 1 ELSE 0 END. In this case SQL Server would return an INT as a catch-all, and if .NET was expecting a boolean, BOOM. Wouldn't it be nice if the application could check the result set of the...(read more)

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  • problem connecting to magento connect

    - by amir
    I'm using magento 1.4.0 and when I try to get to magento connect and download a plugin the page will say Error: Please check for sufficient write file permissions Your Magento folder does not have sufficient write permissions, which this web based downloader requires. If you wish to proceed downloading Magento packages online, please set all Magento folders to have writable permission for the web server user (example: apache) and press the "Refresh" button to try again. does anyone know how I can fix this problem, thanks Update: the plugin I'm trying to use is MagentoPycho light box so I unpacked the folder into the app/code/local but it still doesn't show in the admin area

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  • Instruct Ubuntu to boot TORAM from flash drive using unetbootin

    - by Goyuix
    I have used UNetbootin to create an installable / live bootable flash drive from Ubuntu 12.04. However that didn't preserve the normal Ubuntu boot menu which allows to me to enter advanced options. It has a custom menu that I can pick from predefined choices like "Install Ubuntu" and "Try Ubuntu without installing". What I would like is to be able to boot from the USB flash drive, but then be able to remove it from the computer once the desktop has loaded. The laptop I would like to use this on does not have a CD/DVD drive. What do I need to modify on the flash drive to add an option to "Try Ubuntu (RAM)" that passes the TORAM=yes parameter to the initrd options? Are their other things I need to touch/change as well? Bonus: I would guess the answer would also allow for other options like acpi=off as well, but if it is different I would appreciate having that answer too.

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  • Which Ecommerce Script Should I Use?

    - by Christofian
    This is a general, community wiki catch-all question to address "I need a eCommerce script that does x, y, and z..." questions. If your question was closed as a duplicate of this question and you feel that the information provided here does not provide a sufficient answer, please open a discussion on Pro Webmasters Meta. I have a list of features that I want for my website's eCommerce script - where can I find a script that includes all of them?

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  • Oracle Linux Friday Spotlight - November 1, 2013

    - by Chris Kawalek
    Happy Friday! I hope you were able to catch our webcast "Why Choose Oracle Linux for your Oracle Database 12c Deployments" earlier this week so you could ask questions of our experts in real-time. But if you didn't, or want to share the content with your colleagues, the on-demand version is our Friday Spotlight this week. Watch now: Why Choose Oracle Linux for your Oracle Database 12c Deployments We'll see you next week! -Chris

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