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  • How to debug a kernel created using ubuntu-vm-builder?

    - by user265592
    Aim: Trying to perform a code walkthrough of what functions are getting called for sending and receiving packets over the network. I am building a kernel and using gdb for debugging/ tracing purposes. I have build a vm using the following command : time sudo ubuntu-vm-builder qemu precise --arch 'amd64' --mem '1024' --rootsize '4096' --swapsize '1024' --kernel-flavour 'generic' --hostname 'ubuntu' --components 'main' --name 'Bob' --user 'ubuntu' --pass 'ubuntu' --bridge 'br0' --libvirt 'qemu:///system' And I can run the VM successfully in qemu using the following command: qemu-system-x86_64 -smp 1 -drive file=tmpGgEOzK.qcow2 "$@" -net nic -net user -serial stdio -redir tcp:2222::22 Now, I want to debug the kernel using gdb. For this I need an executable with debug symbols(vmlinux), which apparently I don't have, as the vm-builder never asked for any such options and simply created a .qcow2 file. Question 1: Am I taking the correct approach to solve the problem and is there an easier way to do it? Question 2: Is there a way to debug this kernel using GDB? P.S: I don't have hardware support for KVM. Please correct me if I am wrong. Thanks.

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  • Outlook 2010 + Move IMAP PST file = Outlook data file cannot be accessed.

    - by GWB
    I set up a new IMAP account in Outlook 2010. It works but creates IMAP PST file in C:\Users\User\AppData\Local\Microsoft\Outlook. I want the file on my data drive in D:\Users\User\Documents\Outlook Files (the same folder where outlook automatically creates the local Outlook PST. I followed the instructions here to move the IMAP PST. Testing the account (send/receive) works fine, but if I try to manually send an email I get error 0x8004010F Outlook data file cannot be accessed. I've tried repairing the PST using SCANPST (it always finds errors), and deleting and recreating the account but I get the same error. If I move the PST file back, it works again, but this is not ideal. Note: I don't think this is a duplicate of this question as the cause is different and the solution does not help.

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  • Batch file to create many files with special characters

    - by MollyO
    Essential info: I have a file "DB_OUTPUT.TXT" with 304 lines that I need to turn into 304 files (one per line). Each line contains many special characters and may be up to tens of thousands of characters long. For these reasons, I'm having difficulty using a cmd.exe batch file (which limits the amount of input) and the echo command (which would try to execute each special character, short of me having to escape them all). I also have a file "DB_OUTPUT_FILENAMES.TXT" containing a distinct filename for each line-soon-to-be-file from "db_output.txt". So line 1 of DB_OUTPUT.TXT needs to be the body of a new file with a name equal to line 1 of DB_OUTPUT_FILENAMES.TXT. Extra info: As you may have guessed, DB_OUTPUT.TXT is output from a database; it contains 304 records with 6 or 7 columns at a fixed width with the last column being a SQL query. Each of these lines (db records) will be used as a script to create new database objects, which is why the special characters need to be preserved. Question: Is there a way to do this in a batch-like fashion? I'd be happy with either a Windows solution or a Linux one.

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  • Not able to delete file from server with permissions of 644 via PHP script

    - by letseatfood
    I am trying to delete JPEG files that were uploaded to the server via FTP. The files are uploaded and written with permissions of 644. The owner and group of the upload directory are mike and mike. I have tried changing the owner and group to www-data, but that does not seem to work. I am trying to delete the files with a PHP script using unlink(). This works on the production server (which is a hosting service), but not my development server, which is a LAMP setup. This leads me to believe it has something to do with permissions on my development server.

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  • manage a hosted file by email

    - by Toc
    I need a service which allows me to edit a hosted text file by email. For example: I write an email to [email protected] with subject "ADD LINE 10" and sending it the mail body is inserted into myfile which is hosted on a server of someservice.ext. Same for "DELETE LINE 12" or "SUBSTITUTE LINE 15". If I write "ECHO FILE" or something similar, the service should send me an email with the updated content of the text file. Does it exist?

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  • Forcing tar to create an empty archive

    - by snostorm
    I'm trying to use tar to tar files before transfer, so I can keep the entire file path rather than losing it along the way. However, when I try to tar an empty folder, it tells me that it is cowardly refusing to create an empty archive. I want to keep the empty folder on the other end, but don't want to put anything else into the archive to make it non-empty. Is there any way to do this?

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  • File ownership and permissions on web site PHP files

    - by columbo
    Hello, I am learning the basics of linux servers so I am green. I have an Ubuntu server upon which there are websites that I have inherited. In a fit of security worry I decided to check out the ownership of the web site files. They are all 2016:sites. If I run the command 'cat /etc/group | more' I can see that the group exists. But when I run 'lastlog' the user 2016 does not appear. I started to worry that 2016 might be the username of web users connecting from the web so I set the permissions on a testfile to chmod 600, giving read permissions to only the file owner. Sure enough I could still access the file from the web. Can anyone suggest what is going on here? I tried creating a new user and giving them file ownership but then when I access the file from the web it wants me to have all directories up stream owned by the same person. Thanks

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  • Optical Character Recognition software recommendations?

    - by Tim
    I have seen some ebooks/papers that were apparently scanned from their paper versions but the text in the ebooks/papers can amazingly be copied out. I suppose the directly-scanned versions must have been processed by some Optical Character Recognition software. So I would like to know what are the recommended Optical Character Recognition softwares? Especially those that are either for Ubuntu or free? If those for Windows are far more superior, please let me know as well. I am particularly interested in those OCRs that can accept a scanned pdf file as input and still produce as output another pdf file that looks the same as the input one but with its text copyable. Thanks and regards! Please limit one software per answer

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  • Ubuntu 14.04 VLC Subtitles - Will not attach (unable to drag/drop or upload while viewing)

    - by TheLizardKing
    I'm new to Ubuntu and a long time user of VLC with the Windows OS. In Windows, I was able to drag and drop the .sfv file onto the playing video and the subtitles would be enabled. In Ubuntu I try to drag and drop the .sfv file and it acts as though the .sfv file is a video and stops the actual video from playing. When I try to attach the .sfv file (view - subtitles - select text subtitles) I'm able to see the .sfv file I'd like to attach/open, although once I click open the file doesn't attach itself to the video. Does anyone know how to help me with this situation? I'm 2 seasons deep into Breaking Bad and attempting to read the body language of the characters during the Spanish parts has gone on way too long. Thank you, Greg

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  • Apple file sharing: bind to a specific interface

    - by Cesar
    My customer have an office small office with just a wifi router. He use this router for internet connectivity and file transfer operations between the desktops. Recently the file transfer activity between desktop (all osx based) is increased a lot so he bought a switch (no connected to the router, too far away) for transfer the file over the cable instead over the wifi. Problem: How to bind the file sharing service just to the Ethernet interface and exclude the wifi interface ? (actually the service binds to the wifi automatically and there are no options about the interface binding)

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  • IM and File Transfers Integrated With VoIP

    - by Ehtyar
    I have an Asterisk box serving an office of people. I'd like to provide instant messaging and file sharing capabilities alongside the voice and video capabilities provided by Asterisk (ala Windows Live Messenger, Skype etc). Asterisk does not seem to offer IM outside the context of a SIP call, nor am I aware that it provides file transferring capabilities whatsoever. The clients will be using Jitsi, so there are many protocols to choose from, but I'd like to provide as much integration as possible between the VoIP and IM/file transfer (ideally a single account that facilitates voice/video and IM/file transfer). Is this possible, and if not, what would be the most appropriate alternative? Thank you.

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  • Replacing a Windows File Server

    - by Keltari
    We have a Windows file server that needs to be replaced. Unfortunately, there are to many custom build applications, shares, and random things that rely on the existence of that file server to just stand up a new one, so we need to make the transition as seamless as possible. We decided to copy the contents of the old server to the new and then rename the new one with the same name. I have made a list of everything I need to do. Am I missing anything? The new file server is up and running I copied the directories of the old file server to the new one I set up all the shares/permissions for those directories in advance Copy the contents from oldserver to newserver robocopy \vash\d$\nasshare\ \vash2\l$\originalvash\nasshare\ /E /ZB /copyall /dcopy:T /FP /x /v /fp /np /mt:8 /eta /log:robocopy.log /tee Rename and reIP oldserver to something else (need it available if something is missing) Rename and reIP newserver to oldserver Obviously, I need to test if shares are working properly. Are there any steps im missing?

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  • 404 when doing safe-upgrade in lucid 64 box?

    - by Millisami
    Why I see 404 when doing sudo aptitude safe-upgrade in my lucid 64 box? deploy@li167-251:~$ sudo aptitude safe-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Reading extended state information Initializing package states... Done The following packages will be upgraded: apache2 apache2-mpm-prefork apache2-threaded-dev apache2-utils apache2.2-bin apache2.2-common apt apt-utils base-files binutils bzip2 dpkg dpkg-dev gzip ifupdown krb5-multidev language-pack-en language-pack-en-base language-selector-common libatk1.0-0 libatk1.0-dev libavahi-client3 libavahi-common-data libavahi-common3 libbz2-1.0 libc-bin libc-dev-bin libc6 libc6-dev libc6-i686 libcups2 libfreetype6 libfreetype6-dev libglib2.0-0 libglib2.0-dev libgssapi-krb5-2 libgssrpc4 libgtk2.0-0 libgtk2.0-common libgtk2.0-dev libk5crypto3 libkadm5clnt-mit7 libkadm5srv-mit7 libkdb5-4 libkrb5-3 libkrb5-dev libkrb5support0 libldap-2.4-2 libldap2-dev libmysqlclient-dev libmysqlclient16 libnotify-dev libnotify1 libpam-modules libpam-runtime libpam0g libparted0debian1 libpng12-0 libpng12-dev libpq-dev libpq5 libssl-dev libssl0.9.8 libtiff4 libudev0 libusb-0.1-4 linux-libc-dev mountall mysql-client mysql-client-5.1 mysql-client-core-5.1 mysql-common mysql-server mysql-server-5.1 mysql-server-core-5.1 openssh-client openssh-server openssl parted python-apt sudo tzdata udev upstart ureadahead wget xulrunner-1.9.2 xulrunner-1.9.2-dev The following packages are RECOMMENDED but will NOT be installed: colibri debhelper fakeroot hicolor-icon-theme libatk1.0-data libglib2.0-data libgtk2.0-bin libhtml-template-perl manpages-dev notification-daemon notify-osd ssl-cert xauth xfce4-notifyd 88 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Need to get 85.8MB of archives. After unpacking 1712kB will be used. Do you want to continue? [Y/n/?] y Writing extended state information... Done Get:1 http://security.ubuntu.com/ubuntu/ lucid-updates/main libpam-modules 1.1.1-2ubuntu5 [358kB] Get:2 http://security.ubuntu.com/ubuntu/ lucid-updates/main base-files 5.0.0ubuntu20.10.04.2 [70.2kB] Get:3 http://security.ubuntu.com/ubuntu/ lucid-updates/main gzip 1.3.12-9ubuntu1.1 [102kB] Err http://security.ubuntu.com/ubuntu/ lucid-updates/main libc-bin 2.11.1-0ubuntu7.2 404 Not Found [IP: 91.189.88.37 80] Err http://security.ubuntu.com/ubuntu/ lucid-updates/main libc6 2.11.1-0ubuntu7.2 404 Not Found [IP: 91.189.88.37 80] Err http://security.ubuntu.com/ubuntu/ lucid-updates/main libc6-i686 2.11.1-0ubuntu7.2 .........

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  • What is the easiest way to do a direct file transfer of an extremely large file over the Internet?

    - by Kenneth Cochran
    I would like to transfer a 20+ GB file to a friend. I would like it to: Be fast Ensure data integrity Not require opening ports in either end's firewall Be free Not broadcast the file's existence to everyone on the Internet I've looked a several technologies and nothing seems to fit: Gnutella, BitTorrent, et al. satisfies 1, 2 and 4 JetBytes... 1, 3, 4 and 5 Yahoo Messenger, AIM, etc. 3, 4 and 5 FTP, SFTP... 1?, 4 and 5 rsync... 1, 2, 4 and 5 For a file this size speed and data integrity are the most important. No one wants a 20 GB file to fail a MD5 check after spending two days downloading it. Is there anything that meets all these requirements?

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  • Convert a PPT File into an Image or HTML File in .NET

    Get the .NET code for programmatically converting PowerPoint presentation files into images or HTML files....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • File sometimes doesn't download from my website

    - by kylex
    When I attempt to download this file, sometimes it only downloads about 700KB (the file is 40MB) then I get the message that the download is complete. If I try to download the file again, it works properly. The problem seems prevalent in IE, although I've had it happen in Chrome sometimes too. I have the following code: <input type="button" value="Agree to Terms and Download" onClick="location.href='/downloads/setup.exe';" /> If it matters, this is over a secure connection. I also tried zipping the file, and had the same issues.

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  • Convert a PPT File into an Image or HTML File in .NET

    Get the .NET code for programmatically converting PowerPoint presentation files into images or HTML files....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Simple best file hosting service

    - by Germstorm
    I am searching for a file hosting service that has/supports: Up-to 100 files File sizes up-to 5 Mb No file expiration Direct download link to files Less than 5 $ or Euro/month fee Download stats, at least download count No download limit No bandwidth limit No ads if possible Is there a service like this? If not what is the next best thing you recommend? Checked out Box.net, Rapidshare and MediaFire. They are not good for me.

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  • Live Messenger SimilarityTable2 file

    - by adrianbanks
    I am trying to free up some space on my laptop's hard disk and am using a tool (SpaceMonger) that will show me a treemap of the whole disk. The problem I have comes from Live Messenger's SimilarityTable2 file. I have no idea what it is for, but I know that it is a sparse file, meaning that it shows as taking up 8GB of disk space, but actually only takes up 132KB of space on disk. The problem is that because SpaceMonger thinks this file is 8GB, it swamps the other files and takes up most of the treemap, making it hard to see the other files that really are large. Is this file safe to delete? If not, how do I make its actual size on disk match its reserved size? If that's not possible, how can I make SpaceMonger (or another treemap tool) use the real size of the file and not the reserved size? EDIT: I've just realised that I have some NTFS junctions set up, meaning that the same set of directories appear twice. Is there any way to stop this happening as well?

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