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• cant boot ubuntu after install (first time)

  - by user1683645

  Trying to install ubuntu for the first time. I use an usb stick. At partition I use one of the hdd's I have and create a partition of 50gb for ubuntu @ /dev/sda and the partitions name is dev/sda1 with type ext4. All is well and the installation is completed without any errors and I get a dialogue asking me to restart but ubuntu does not boot. I only have one device as boot in my bios and I think its the devide with ubuntu on it since I've not partitioned the other discs. When I create the partition I yse primary type and localtion for the new partition is att the beginning of the space. And I use Ext4 file system. Mount point is / What am I doing wrong?

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• Installing multi-boot Linux system

  - by user94924

  I have a dual (XP/Linux) boot Compaq Presario S4500UK with a couple of spare partitions on the boot drive which I want to use for testing different Linux distros/configs before installing them on "live" machines. I tried this with Oneiric which worked fine until I came to uninstalling the test system. Fortunately Oneiric uses Grub2 and so redirecting the bootloader to work from the original Linux partition was a piece of cake - if a bit annoying. I now need to do some tests on Hardy and DSL (Damned Small Linux), neither of which use Grub2. Question: Is it possible to install a test operating system without adding/replacing the bootloader (ie so I can still use Grub2 from the original partition with its nice interface and recovery facilities)? Is there another way of uninstalling/decommisioning a test OS which doesn't trash the boot loader? (The only way I know to do this is by deleting/reformatting the partition which takes with it the bootloader which is in that partition). Any help would be much appreciated. Tks jg1

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• Instalar o Ubuntu / Install Ubuntu

  - by Joaquim Venâncio

  10:10 I installed Ubuntu alongside Windows 7, after the installation was able to upgrade to version 4.11. Now I'm trying to update to version 11.10 but I get an error message saying it is not possible to upgrade, I decided to install a partition that I created the part, but when I start the PC directly opens Windows 7 does not appear to me the option to choose which want to start the operating system. I formatted the partition where you had installed ubuntu, I've been looking for tutorials where you learn how to install ubuntu on a partition part to try to understand what my problem. I wonder if I can explain how to install ubuntu on a partition that part so that when I connect the PC to show me the option to choose which system I want to start.

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• Unable to mount Windows (NTFS) filesystem due to hibernation

  - by yotamoo

  Whenever I boot Ubuntu, I get a message that it cannot mount my windows partition, and I can choose to either wait, skip or manually mount. When I try to enter my Windows partition through Nautilus I get a message saying that this partition is hibernated and that I need to enter the file system and properly close it, something I have done with no problem so I don't know why this happens. Here's my partition table, if any more data is needed please let me know. Device Boot Start End Blocks Id System /dev/sda1 2048 20000767 9999360 83 Linux /dev/sda2 20002814 478001151 228999169 5 Extended /dev/sda3 * 478001152 622532607 72265728 7 HPFS/NTFS/exFAT /dev/sda4 622532608 625141759 1304576 82 Linux swap / Solaris /dev/sda5 20002816 478001151 228999168 83 Linux

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• How to access both partitions on a bootable USB flash drive in Windows

  - by Maccyjam

  I have a 16GB USB Flash Drive that is partitioned into two different sizes. The first partition contains a bootable version of Ubuntu, the second partition is for general saving of files. Windows will only recognise the first partition. I have tried using Bootice but this breaks the bootable partition. Disk Management recognises the second partition but does not allow me to do anything with it. Is there a way to make both partitions accessible by Windows and keep the USB disk bootable?

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• Question regarding drives

  - by user205934

  I am a new Ubuntu user who has spent a lot of time on Windows. A very common practice for me on Windows was making two drives, C: and D: , storing installs/files in C:, and I used D: for backup or if I downloaded something that I wanted to save, I saved in D: When installing Ubuntu, it asked me if I wanted to replace Windows 7. I thought it would install Ubuntu on C: but instead it used the whole partition, nevertheless I recovered my backup using testdisk. What I wanted to do was to create a similar backup drive on Linux too. My current partition table: sda 8:0 0 232.9G 0 disk +-sda1 8:1 0 230.9G 0 part / +-sda2 8:2 0 1K 0 part +-sda5 8:5 0 2G 0 part [SWAP] sr0 11:0 1 1024M 0 rom So should I use Gparted to create another sda3 and store my important data on that? Also my current sda2 is listed as an extended partition, should I delete it? It's a very small partition, just 1K.

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• How to convert OpenVZ OS templte to bootable to image file?

  - by Medi

  My question is how to convert a pre-created OpenVZ OS template which are in tar.gz format (such as these) to an image file in order to be able boot it with other virtualization solutions such as QEMU or VirtualBox. In order to achieve this, I made an empty image file, I partitioned it, and made two partition, a primary partition and a extended partition for swap. I made the first partition ext3 (0x83) and the other one swap (0x82). Then I made the first one bootable, and copied the content of tar.gz to the first partition. But when I try to boot, it hangs at the first stage of booting.

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• Fusion Product Hub for Supply Chain Management

  Oracle Fusion Product Hub is a key component of Oracle's Supply Chain and Master Data Management strategy. Using a revolutionary approach to managing product master data management processes, Product Hub delivers: 1) A unified and accurate product definition that is harmonized within and across the enterprise value chain 2) Flexible and robust Data Governance workflows and policies to govern product master data 3) Product Dashboard and Embedded Analytics to enable informed and quick decisions

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• Cannot boot Windows 7 after installing Ubuntu 13.04

  - by whowantsakookie

  So I boot up my computer after installing Ubuntu 13.04. Grub correctly shows me all available boot options and I am able to boot to Ubuntu. However, when I try to boot into Windows 7, grub hangs at a purple screen. I have an HP laptop. It came with all four primary partitions taken up by the Windows bootloader, the actual Windows partition, one called HP_TOOLS, and another for HP Restore. I was able to back up and delete HP_TOOLS and the recovery partition, and change my disk type from Dynamic to Basic (GParted doesn't recognize Dynamic drives). I then booted into a live session of Ubuntu and made two partitions with GParted: one large partition for storage space that I could use between the two operating systems (sda4), and another extended partition (sda3) which contained Ubuntu (sda6) and it's swap space (sda5). It currently looks like this: I'm not sure if the second paragraph is actually relevant, I just want you to know all the variables in the equation. Thank you in advance for helping this poor noob.

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• I'm a PHP programmer, how easy will it be to "master" c++?

  - by ThinkingInBits

  I've been a PHP programmer for 8 or so years, I'm familiar with OOP and try to consider best practices whenever programming. I would like to pick up C++ to possibly enter the 'game development' field, where now I'm doing web dev. I'm not a school person, but was wondering what people think about self-taught math to complement learning c++ for game dev. The last math course I took was algebra 2. Should I start delving myself into pre-calculus? Are there any other suggestions you may have to ease the process?

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• Where do you earn more money (Autonomous Systems vs Distributed Systems)? [closed]

  - by Puckl

  I am interested in both topics and I can choose between them for my computer science master. I think the distributed systems master focuses more on software technologies and the autononmous systems master is focused on robotics and machine learning. Do you get good jobs in the fild of machine learning without a Ph.D.? I guess there are more jobs available in the Software-Tech world, is this right? Where do you earn more money? (It is not the only criteria, but it matters)

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• c# How to make linq master detail query for 0..n relationship?

  - by JK

  Given a classic DB structure of Orders has zero or more OrderLines and OrderLine has exactly one Product, how do I write a linq query to express this? The output would be OrderNumber - OrderLine - Product Name Order-1 null null // (this order has no lines) Order-2 1 Red widget I tried this query but is not getting the orders with no lines var model = (from po in Orders from line in po.OrderLines select new { OrderNumber = po.Id, OrderLine = line.LineNumber, ProductName = line.Product.ProductDescription, } ) I think that the 2nd from is limiting the query to only those that have OrderLines, but I dont know another way to express it. LINQ is very non-obvious if you ask me!

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• Oracle: How to update master with newest row from detail table?

  - by LukLed

  We have two tables: Vehicle: Id, RegistrationNumber, LastAllocationUserName, LastAllocationDate, LastAllocationId Allocations: Id, VehicleId, UserName, Date What is the most efficient (easiest) way to update every row in Vehicle table with newest allocation? In SQL Server I would use UPDATE FROM and join every Vehicle with newest Allocation. Oracle doesn't have UPDATE FROM. How do you do it in Oracle?

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• Can't boot Windows after installing Linux

  - by user4035

  I have a partition /dev/sdb1, where my old Windows XP resides. All the files are there intact and I can see them, mounting the disk from Linux. Linux is on /dev/sdb2. But when I choose Windows in LILO prompt, it doesn't load. I have the following lilo.conf: boot = /dev/sdb # Linux bootable partition config begins image = /boot/vmlinuz root = /dev/sdb2 label = Linux read-only # Partitions should be mounted read-only for checking # Linux bootable partition config ends # Windows bootable partition config begins other = /dev/sdb1 label = Windows table = /dev/sdb # Windows bootable partition config ends What can be wrong?

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• Change master table PK and update related table FK (changing PK from Autoincrement to UUID on Mysql)

  - by eleonzx

  I have two related tables: Groups and Clients. Clients belongs to Groups so I have a foreign key "group_id" that references the group a client belongs to. I'm changing the Group id from an autoincrement to a UUID. So what I need is to generate a UUID for each Group and update the Clients table at once to reflect the changes and keep the records related. Is there a way to do this with multiple-table update on MySQL? Adding tables definitions for clarification. CREATE TABLE `groups` ( `id` char(36) NOT NULL, `name` varchar(255) DEFAULT NULL, `created` datetime DEFAULT NULL, `modified` datetime DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8$$ CREATE TABLE `clients` ( `id` char(36) NOT NULL, `name` varchar(255) NOT NULL, `group_id` char(36) DEFAULT NULL, `active` tinyint(1) DEFAULT '1' PRIMARY KEY (`id`), KEY `fkgp` (`group_id`), CONSTRAINT `fkgp` FOREIGN KEY (`group_id`) REFERENCES `groups` (`id`) ON DELETE NO ACTION ON UPDATE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=utf8$$

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• Can't boot to Windows 7 after installing Ubuntu 11.10

  - by les02jen17

  Here's what happened: I have 2 HDDs. 1st HDD is partitioned like this: C - Windows 7 D* - Empty drive where I installed Ubuntu E - Personal Files F - Personal Files 2nd HDD is partitioned like this: G - Personal Files *the D partition is originally part of the C partition. I resized it (using Easus Partition Master in Windows) and defragged it prior to installing Ubuntu. I installed Ubuntu by booting to the Ubuntu Secure Remix CD, and chose the D partition to install Ubuntu. I did not create a swap drive, and I mounted the / to the D partition. I didnt know where to mount the others, so I just thought by mounting the / to D, it would be okay. After the long installation, upon rebooting, I can't access Windows AND Ubuntu. I get an infinite bootloop and eventually the choices to boot to Safe Modes, Last Known Good Configuration and Start Windows normally. After failing in all of them, I placed the CD back and ran the Boot Repair. I chose the MBR 1st, it didn't work. I then chose the GRUB 2nd and now I was able to boot to the Ubuntu I installed, but not to my Windows 7! I'm using my newly installed Ubuntu while writing this. I hope you can help me. I did the best I could! Here's the link to the boot repair log: http://paste.ubuntu.com/919354/ Thanks in advance!

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• Black Screen after installing recommended Nvidia drivers. What to do?

  - by former_Windows_user

  New to Ubuntu. Problem description: Until recently I had Windows on my computer. My hard disk is divided into two partitions. On the first one (app. 10 GB) I had my Windows XP On the second one (app. 30 GB) I have some data I tried to install Ubuntu 12.04 on the first partition (the smaller one). Since I wanted to keep the data on my second partition, I chose the third install option. During the installation process I deleted the data on partition one, created a new partition with the same size, formatted it as ext4 and mounted / on it. The installation continued fine and at the end I restarted and took the CD out when it ejected automatically (it could have been also before the restart). Ubuntu started but I noticed that my computer was slow. Then a prompt appeared telling me that I did not have the optimal NVidia drivers and recommended to install a specific one. I clicked on the recommended driver, installation went apparently just fine and at the end I had to restart the system again. I did it, Ubuntu started, asked for my password, I typed it, pressed Enter, the screen turned black and remained like that (only the cursor was there and I could move it). I restarted and the same thing happened again. Has anyone had such a problem before and was able to solve it? With Windows I always installed drivers from CDs after installing Windows. Are the same CDs going to work for Ubuntu too or I should find special drivers? P.S. During the installation I was connected to the internet and I agreed on installing updates and the third party software. In the time before I installed that problematic but recommended NVidia driver I checked that there was between 6 and 7 GB free space on the first partition where I installed Ubuntu.

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• windows 8 stops working after gparted

  - by Xavier T

  My laptop (windows 8.1) has a big partition so i would like to spit it into two smaller partitions. I tried hirens boot and jumped into gparted (something i have never used before) I resized windows partition (c:) and created a new partition, reboot, and my laptop cant boot I am seeing in gparted - sda1 ntfs recovery 300MB - sda2 fat32 100MB - sda3 unknown 128MB msftres - sda4 is my original C partition - sda5 is the new partition I tried with Windows 8 DVD there are options to automatically fix but it did not work. I also tried with make PC fresh or something like that and windows told me it cant fix because the drive is locked. Any help would be greatly appreciate. I stop playing with the tool now. GParted 0.7.0 of Hirens 13

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• Git dont sync files untill committed even if checkout different branch

  - by DertWaiter

  Ok i have git 1.7.11.1 on windows and i have local test reposotory with 2 branches one is master with index.php help.php then i create another branch called slave :) I run from git bash rm help.php and it dissapears from the folder, but i dont stage anything. I switch to checkout master branch and it supposed to restore file help.php because its not modified in master branch isnt it? And it does not do it. When i back to slave branch and commit and then switch to checkout master then help.php appears. is that the way it supposed to be why?

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• Unable to get my master & details gridview to work.

  - by Javier

  I'm unable to get this to work. I'm very new at programming and would appreciate any help on this. <%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> protected void Page_Load(object sender, EventArgs e) { } protected void DataGridSqlDataSource_Selecting(object sender, SqlDataSourceSelectingEventArgs e) { } </script> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> <asp:SqlDataSource ID="DataGrid2SqlDataSource" runat="server" ConnectionString="<%$ ConnectionStrings:JobPostings1ConnectionString %>" SelectCommand="SELECT [Jobs_PK], [Position_Title], [Educ_Level], [Grade], [JP_Description], [Job_Status], [Position_ID] FROM [Jobs]" FilterExpression="Jobs_PK='@Jobs_PK'"> <filterparameters> <asp:ControlParameter Name="Jobs_PK" ControlId="GridView1" PropertyName="SelectedValue" /> </filterparameters> </asp:SqlDataSource> <asp:SqlDataSource ID="DataGridSqlDataSource" runat="server" ConnectionString="<%$ ConnectionStrings:JobPostings1ConnectionString %>" SelectCommand="SELECT [Position_Title], [Jobs_PK] FROM [Jobs]" onselecting="DataGridSqlDataSource_Selecting"> </asp:SqlDataSource> <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="Jobs_PK" DataSourceID="DataGridSqlDataSource" AllowPaging="True" AutoGenerateSelectButton="True" SelectedIndex="0" Width="100px"> <Columns> <asp:BoundField DataField="Position_Title" HeaderText="Position_Title" SortExpression="Position_Title" /> <asp:BoundField DataField="Jobs_PK" HeaderText="Jobs_PK" InsertVisible="False" ReadOnly="True" SortExpression="Jobs_PK" /> </Columns> </asp:GridView> <br /> <asp:DetailsView ID="DetailsView1" runat="server" AutoGenerateRows="False" DataKeyNames="Jobs_PK" DataSourceID="DataGrid2SqlDataSource" Height="50px" Width="125px"> <Fields> <asp:BoundField DataField="Jobs_PK" HeaderText="Jobs_PK" InsertVisible="False" ReadOnly="True" SortExpression="Jobs_PK" /> <asp:BoundField DataField="Position_Title" HeaderText="Position_Title" SortExpression="Position_Title" /> <asp:BoundField DataField="Educ_Level" HeaderText="Educ_Level" SortExpression="Educ_Level" /> <asp:BoundField DataField="Grade" HeaderText="Grade" SortExpression="Grade" /> <asp:BoundField DataField="JP_Description" HeaderText="JP_Description" SortExpression="JP_Description" /> <asp:BoundField DataField="Job_Status" HeaderText="Job_Status" SortExpression="Job_Status" /> <asp:BoundField DataField="Position_ID" HeaderText="Position_ID" SortExpression="Position_ID" /> </Fields> </asp:DetailsView> </div> </form> </body> error message: Cannot perform '=' operation on System.Int32 and System.String. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Data.EvaluateException: Cannot perform '=' operation on System.Int32 and System.String.

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• Safely resizing partitions in CentOS 6

  - by Fariborz Navidan

  I have deployed two VMs on VMware with CentOS 6.3 Net Install. It has automatically created some partitions. It has created two major partition for root and home. root partition has size of 50GB and home 168GB. root partition has 35GB of free space. I want to resize partitions safely without data loose. server is running CPanel and home partition has important user data. I want to reduce root size and increase to home. home partition has only 7GB used. Please advise the safest way

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• Why I am getting following error when trying to start SDK manager?

  - by rishiag

  I have a 64 bit- 20 GB Ubuntu partition which has very less usable space. So I have put Eclipse in my Ubuntu and downloaded sdks to a folder in my another partition. So when I try to start sdk manager, I am getting the following error in my console: Unexpected exception 'Cannot run program "/media/Data/android-sdks/platform-tools/adb": error=13, Permission denied' while attempting to get adb version from '/media/Data/android-sdks/platform-tools/adb' I have run chmod recursively on android-sdks directory. If I change the address for sdks to Ubuntu partition, sdk manager starts successfully. Is there anything I can do other than increasing the partition size? Thanks

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• ubuntu 12.10 grub doesn't appear efi mode

  - by user100604

  After a number of failed attempts on installing Ubuntu and Linux in the hybrid-gpt of Windows, in which I wanted different partitions by gparted, I ended up creating againg a conventional partitions table within the conventional system. This photo is not mine because as creating the partition I did not think in taking photos, but I am showing you it so that you can see the format “MS-DOS”, the standard format of gparted. My neetbook is a k55MV Asus 500GB (the page don't allow me to put 3 hiperlink I will put it at the end in a new coment 1) I installed Windows by creating a partition just for it. Windows created two partitions else for starting the system up. However creating it on ms-dos appear now in gpt view fotos 2) With the rest of the space, I created a 90-gigabyte partition for Ubuntu and the “swap” of 4 gb. The other partitions are for data. 3) I assured myself about installing Ubuntu in the partition whose format was ext4, for using that partition as base and to install the “grub” on the base of 500gb. I have boot the system up, Ubuntu is loaded but the grub does not appear. I have tried by pressing “beginning” “UPPER CASE LETTER”, but no way! I have checked the flies up, and partitions are there. http://www.subirimagenes.com/imagen-capturadepantalla-8080960.html By pressing fdisk-1, this picture comes up: http://www.subirimagenes.com/imagen-capturadepantalla-8080965.html I am spanish updated: at the beginning of the system, pressing f12 appears a grub without windows

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• resizing partitions

  - by venetin

  I have the following configuration: sda1 1 GB maybe fat32 (windows recovery partition) sda2 40 GB ntfs(windows drive c) with boot flag sda3 around 100GB ntfs(storage partition) sda4 extended partition:sda5 10 GB ext4 partition sda6 1 GB linux swap I want to make this changes: sda2 30 GB resize(decrease size with 10 GB) sda3 around 100GB(move and maybe decrease size with 4-5 GB) sda4 around 20-22 GB (move and increase size with 10-15GB) sda5 around 20 GB (move and increase size with 10-12 GB) sda6 2 GB (move and increase size with 1 GB) Is it safe to do this operations?Will i lose grub? I will do the changes with gparted on puppy linux live usb. Thanks

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• Large recovery partitions

  - by Unsigned

  Is there any good reason as to why factory restore partitions are generally much larger than they need to be? Examples I have found in my own experience: Dell XPS laptop Partition: 13.67 GB Used: 6.68 GB Dell Inspiron laptop Partition: 14.7 GB Used: 7.2 GB Toshiba laptop Partition: 15.3 GB Used: 9 GB In all cases, shrinking the partition to only slightly more than the Used space had no ill effects on future factory restorations. Why the exorbitant amount of extra space, given that neither of the three computers ever writes any data to the recovery partition? Is there a good reason I'm overlooking?

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