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  • Can't install any Linux distro

    - by rstreeter78
    I have been trying to install Ubuntu on my step-son's netbook and I checked and his hard disk seems to be failing and i keep getting an error message that Ubuntu is unable to install due to hard disk failure. I was wondering how and if it is possible to install Ubuntu on this hard disk without it giving me an error message. I have tried the alternate install disk image and the regular desktop image and get basically the same error message. Is there a way to somehow override this and get it installed

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  • java profiler in java

    - by Sunil
    Hello I want to run a java program on linux server in profiling mode means I want to profile a java program on linux server.Is there any java profiling software that can profile java program on linux server. please suggest me what can I do for profiling. Thanks in advance.

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  • Tips on how to notify a user of new features in your game

    - by brent777
    I have noticed a problem when releasing new features for a game that I wrote for Android and published on Google Play Store. Because my game is "stage-based" - and not a game like Hay Day, for example, where users will just go into the game every day since it can't really be finished - my users are not aware of new features that I release for the game. For example, if I publish a new version of my game and it contains a couple new stages, most of their devices will just auto-update the game and they don't even notice this and think to check out what's new. So this is why an approach like popping open a dialog that showcases the new feature(s) when they open the game for the first time after the update was done is not really sufficient. I am looking for some tips on an approach that will draw my users back into the game and then they could read more detail about new features on such a dialog. I was thinking of something like a notification that tells them to check out the new features after an update is done but I am not sure if this is a good idea. Any suggestions to help me solve this problem would be awesome.

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  • Software Raid 10 corrupted superblock after dual disk failure, how do I recover it?

    - by Shoshomiga
    I have a software raid 10 with 6 x 2tb hard drives (raid 1 for /boot), ubuntu 10.04 is the os. I had a raid controller failure that put 2 drives out of sync, crashed the system and initially the os didnt boot up and went into initramfs instead, saying that drives were busy but I eventually managed to bring the raid up by stopping and assembling the drives. The os booted up and said that there were filesystem errors, I chose to ignore because it would remount the fs in read-only mode if there was a problem. Everything seemed to be working fine and the 2 drives started to rebuild, I was sure that it was a sata controller failure because I had dma errors in my log files. The os crashed soon after that with ext errors. Now its not bringing up the raid, it says that there is no superblock on /dev/sda2, even if I assemble manually with all the device names. I also did a memtest and changed the motherboard in addition to everything else. EDIT: This is my partition layout Disk /dev/sdb: 2000.4 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x0009c34a Device Boot Start End Blocks Id System /dev/sdb1 * 2048 511999 254976 83 Linux /dev/sdb2 512000 3904980991 1952234496 83 Linux /dev/sdb3 3904980992 3907028991 1024000 82 Linux swap / Solaris All 6 disks have the same layout, partition #1 is for raid 1 /boot, partition #2 is for raid 10 far plan, partition #3 is swap, but sda did not have swap enabled EDIT2: This is the output of mdadm --detail /dev/md1 Layout : near=1, far=2 Chunk Size : 64k UUID : a0feff55:2018f8ff:e368bf24:bd0fce41 Events : 0.3112126 Number Major Minor RaidDevice State 0 8 34 0 spare rebuilding /dev/sdc2 1 0 0 1 removed 2 8 18 2 active sync /dev/sdb2 3 8 50 3 active sync /dev/sdd2 4 0 0 4 removed 5 8 82 5 active sync /dev/sdf2 6 8 66 - spare /dev/sde2 EDIT3: I ran ddrescue and it has copied everything from sda except a single 4096 byte sector that I suspect is the raid superblock EDIT4: Here is some more info too long to fit here lshw: http://pastebin.com/2eKrh7nF mdadm --detail /dev/sd[abcdef]1 (raid1): http://pastebin.com/cgMQWerS mdadm --detail /dev/sd[abcdef]2 (raid10): http://pastebin.com/V5dtcGPF dumpe2fs of /dev/sda2 (from the ddrescue cloned drive): http://pastebin.com/sp0GYcJG I tried to recreate md1 based on this info with the command mdadm --create /dev/md1 -v --assume-clean --level=10 --raid-devices=6 --chunk=64K --layout=f2 /dev/sda2 missing /dev/sdc2 /dev/sdd2 missing /dev/sdf2 But I can't mount it, I also tried to recreate it based on my initial mdadm --detail /dev/md1 but it still doesn't mount It also warns me that /dev/sda2 is an ext2fs file system but I guess its because of ddrescue

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  • Fedora 11 System - Failed Hard Drive Removed, and Boot gets GRUB Hard Disk Error

    - by Mindful
    Greetings, I have a machine with a 120GB ATA drive that has what I thought to be non-essential data on it. I also have a 320GB SATA hard drive with the OS/Application/Files (good data I want to keep). My 120GB ATA is failing I believe, as my computer kept slowing to a halt. However, when I move the drive from BIOS my computer will not start, says "GRUB Hard Disk Error". I know that my Fedora system has an LVM setup. I am looking to just remove the 120GB drive from "the mix", and just have one hard drive. How do I recover ? Thank you. I have access to a Linux Live CD right now and can make any changes. However, it won't boot into my OS - it fails. UPDATE: here's my Grub.Conf # grub.conf generated by anaconda # # Note that you do not have to rerun grub after making changes to this file # NOTICE: You have a /boot partition. This means that # all kernel and initrd paths are relative to /boot/, eg. # root (hd1,0) # kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00 # initrd /initrd-version.img #boot=/dev/sda1 default=0 timeout=5 splashimage=(hd1,0)/grub/splash.xpm.gz hiddenmenu title Fedora (2.6.30.10-105.2.23.fc11.i686.PAE) root (hd1,0) kernel /vmlinuz-2.6.30.10-105.2.23.fc11.i686.PAE ro root=/dev/VolGroup00/LogVol00 rhgb quiet initrd /initrd-2.6.30.10-105.2.23.fc11.i686.PAE.img title Fedora (2.6.30.9-102.fc11.i686.PAE) root (hd1,0) kernel /vmlinuz-2.6.30.9-102.fc11.i686.PAE ro root=/dev/VolGroup00/LogVol00 rhgb quiet initrd /initrd-2.6.30.9-102.fc11.i686.PAE.img title Fedora (2.6.27.24-170.2.68.fc10.i686.PAE) root (hd1,0) kernel /vmlinuz-2.6.27.24-170.2.68.fc10.i686.PAE ro root=/dev/VolGroup00/LogVol00 rhgb quiet initrd /initrd-2.6.27.24-170.2.68.fc10.i686.PAE.img title Fedora (2.6.27.24-170.2.68.fc10.i686) root (hd1,0) kernel /vmlinuz-2.6.27.24-170.2.68.fc10.i686 ro root=/dev/VolGroup00/LogVol00 rhgb quiet initrd /initrd-2.6.27.24-170.2.68.fc10.i686.img title Fedora (2.6.27.21-170.2.56.fc10.i686) root (hd1,0) kernel /vmlinuz-2.6.27.21-170.2.56.fc10.i686 ro root=/dev/VolGroup00/LogVol00 rhgb quiet initrd /initrd-2.6.27.21-170.2.56.fc10.i686.img title Fedora (2.6.27.19-170.2.35.fc10.i686) root (hd1,0) kernel /vmlinuz-2.6.27.19-170.2.35.fc10.i686 ro root=/dev/VolGroup00/LogVol00 rhgb quiet initrd /initrd-2.6.27.19-170.2.35.fc10.i686.img title Upgrade to Fedora 10 (Cambridge) kernel /upgrade/vmlinuz preupgrade repo=hd::/var/cache/yum/preupgrade stage2=http://chi-10g-1-mirror.fastsoft.net/pub/linux/fedora/linux/releases/10/Fedora/i386/os/images/install.img ks=hd:UUID=f11769ba-29bc-46de-8c40-a949720a438e:/upgrade/ks.cfg initrd /upgrade/initrd.img title Win rootnoverify (hd0,0) chainloader +1

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  • Photo Gallery Software - reads from a local directory - watches folder- user and group permissions

    - by Darkflare
    Use Case: Photos are organised in a folder structure by date (by software lightroom/picasa) Want to run a local webserver to host a web gallery from (already know how to run lamp etc) I want to be able to attach metadata to the photos (probably through a database not residing in the photos folder) such that they can be tagged/categoried/albumed without affecting the original photos I want to be able to assign permissions to different albums to set users I want the software to watch the photo source folder for changes so that new photos are indexed ready for applying metadata and albums. I'd like the software to handle the rendering of numerous file types (photo formats) as well as video formatts I am language agnostic so php/python heck even c#, just want software that forfills the requirements. The main reason I am asking this question here as I am unsure what this software would even be called so google searching is quite difficult! Thanks for reading.

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  • delete a file in protected mode env(like windows xp)

    - by JGC
    hi I write a program to delete a file from somewhere of my harddisk in 8086 but when i use int 21h (ah=41h) an error happens and carry set to 1.and I cannot delete that. does anyone know what can I do? I think it should be from protected mode which does not allow my program to delete another file.I want the answer and language is not matter.

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  • Upgrading from MySQL Server to MariaDB

    - by Korrupzion
    I've heard that MariaDB has better performance than MySQL-Server. I'm running software that makes an intensive use of MySQL, thats why I want to try upgrading to MariaDB. Please tell me your experiences doing this conversion, and instructions or tips. Also, which files I should take care of for making a backup of MySQL-Server, so if something goes wrong with MariaDB, I could rollback to MySQL without issues? I would use this but i'm not sure if it's enough to get a full backup of MySQL-Server confs and databases mysqldump --all-databases backup /etc/mysql My Environment: uname -a (Debian Lenny) Linux charizard 2.6.26-2-amd64 #1 SMP Thu Sep 16 15:56:38 UTC 2010 x86_64 GNU/Linux MySQL Server Version: Server version 5.0.51a-24+lenny4 MySQL Client: 5.0.51a Statistics: Threads: 25 Questions: 14690861 Slow queries: 9 Opens: 21428 Flush tables: 1 Open tables: 128 Queries per second avg: 162.666 Uptime: 1 day 1 hour 5 min 13 sec Thanks! PS: Rate my english :D

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  • What knowledge/expertize is required to port android to custom arm device ?

    - by Sunny
    Hi Friends, I am working on a system on which currently linux kernel and microwindows windowing system is running. Code of current linux system drivers is available to me. I want to port android on it, just as a hobby project. can you please tell me what all understanding of linux-kernel is required to port it? Please give me references (Books, Tutorials) to build-up understandings. Thanks, Sunny. P.S. I have basic understanding of linux. Configuration of device is 450 Mhz ARM9, 64 MB RAM, 256 MB NAND 480x272 resolution.

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  • How to get rid of NAT in a LAN?

    - by Alberto
    Currently the LAN I manage is organized as follows: internal network (192.168.1.0) which uses a Linux server as a gateway (internal address on interface br0 192.168.1.1, external address on interface br1 10.0.0.2) through NAT; then the 10.0.0.0 network has another gateway (10.0.0.1) which through another NAT connects the whole thing to the internet. What I would like to achieve is to configure the Linux server so that the first layer of NAT is no more necessary, so that for example a computer in the 10.0.0.0 network can ping every computer in the 192.168.1.0 network. I deleted this iptables rule: iptables -t nat -A POSTROUTING -o br1 -j SNAT --to-source 10.0.0.2, but of course now computers on 192.168.1.0 cannot reach the internet; ip forwarding is of course enabled. What's missing here? Thanks

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  • 24 Extra Hot Free Linux Games (Part 1 of 3)

    <b>LinuxLinks:</b> " Now, let's scrutinize the 8 games at hand. For each game we have compiled its own portal page, providing screenshots of the game in action, a full description of the game, with an in-depth analysis of the features of the game, together with links to relevant resources and reviews."

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  • Windows 8 Initial User Experience

    - by Kevin Shyr
    Today is the second day I'm using a Windows 8 laptop.  Load up time is fast, and changing applications is very smooth.  However, I keep finding myself hitting the windows key (double-clicking a PDF file, and, what?  How do I get back?)Other than that, the experience has been fine.  So far this has not been any worse than other windows upgrade experience I had so far.  No bad news is good news here.

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  • Is it really necessary to call /bin/sync twice before an unmanaged power-off?

    - by Jeremy Friesner
    Hi all, My company sells an "embedded device" which is implemented as a headless Linux box with ext4 on an internal SSD. Some of our users have a habit of doing a "save current settings" on this box, and then cutting power to the unit as soon as the unit reports that the save completed (ie two seconds later). This was causing occasional corruption of the saved files, as the data wouldn't always get flushed to the SSD before the power went out. So I tweaked my software to run /bin/sync immediately after writing the file (after closing the file handle but before notifying the user that the save completed). This appears to fix the issue, but my coworker says that one call to /bin/sync isn't sufficient, and that to be really safe I ought to run /bin/sync twice in a row. That sounds like paranoia to me... Perhaps a habit from earlier versions of Linux or unix whose sync utility didn't work reliably. Does his advice have merit, or should one call to /bin/sync suffice?

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  • Suggestions on providing HA access to an external (fibre) RAID subsystem

    - by user145198
    We are looking at upgrading our storage capacity with an external RAID subsystem that has redundant (2) fibre controllers, each controller has 4 x 8 Gbps fibre ports. I would like to make access to this storage system occur via HA Linux. Ideally I would connect 2 fibre ports from each controller into each Linux server, and then export either NFS or iSCSI via a 10 Gbe interface. I have seen plenty of references to DRBD, however all of those references tend to use block storage that is solely attached to each machine, rather than having a shared block storage device, so I am unsure if DRBD could (or should) be used in this case. Ideas?

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  • Tutorial: Linux Commands: Making Bash Error Messages Friendlier

    Bash error messages, like so many error messages, can be more cryptic than helpful. But the good news is bash has a built-in mechanism for creating your own customized error messages, and you don't have to be an ace programmer to do it. Ubuntu and openSUSE already use this; Akkana Peck shows us how to do it ourselves.

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  • Documenting user interfaces in a mouse-less touch UI

    - by Daniel Cazzulino
    “Old” apps rely on mouse pointing and tooltips to explain what a given button is for. Maybe there is text associated with the button, but you can only put so much text without wasting useful screen state. More so in a phone or tablet app. I’ve seen a trend in Google apps where they put an overlay on top of the app the first time it runs, to explain how the various pieces of UI work. I have seen this also on my Nexus phone, but don’t have a screenshot. I don’t recall a way to actually bring that help overlay back again, so that’s maybe some built-in gesture that’s missing. Here’s what it looks like in Gmail, the first time you use the new compose layout:   I like the approach very much, and I think it’s something that should become standard part of mobile OS, and Windows, including a standard way to bring that help up from within any app....Read full article

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  • Toronto SharePoint User Group: Tonight Cancelled, Next Meeting: June 16

    - by erobillard
    Apologies all, notification was to go out sooner but apparently we're having technical difficulties so please help spread the word: The May meeting (tonight) is cancelled, leaving you free to enjoy the summery Toronto evening. Enjoy! Next month on Wednesday, June 16 , TSPUG is back with not one, but two , count'em two presentations: First up will be Matthew Pakula from AvePoint talking about their terrific tools for MOSS 2007 and SPS 2010. Then I will reveal the secret toolkit I use to help companies...(read more)

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  • Replace a failed drive in Linux RAID

    <b>Tech Republic:</b> "A few weeks ago I had the distinct displeasure of waking up to a series of emails indicating that a series of RAID arrays on a remote system had degraded. The remote system was still running, but one of the hard drives was pretty much dead."

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  • Hey Adobe, Dump Apple, Go Linux

    <b>Cyber Cynic:</b> "Who can blame Adobe for being ticked off? They wanted a slice of the lucrative Apple iPad/iPhone application business, and Apple won't let Adobe applications, or even Flash, on either platform."

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  • Unable to ssh to a Linux VM after a day

    - by jogabonito
    I have a machine running 4 VMs on it. There is one Fedora VM which is causing me some trouble. The IPs of the VMs are something like 10.100.100.* I have a Windows PC which is in the same network. It has an IP 10.100.25.77. When I reboot the Fedora VM, I am able to ping it from my Windows PC as well as use putty to ssh to it. The next day, I cant ping it or ssh from my Windows PC. However I can ping and ssh to the other VMs on the machine. If I ssh to one of the other VMs, I can ping and ssh to the Fedora VM. Next if I restart it, things get back to normal and I can access it without any issues. The IP of the VM doesn't change after rebooting and it is statically assigned I would like to know what is causing this and how to get it fixed. As a last resort, I am thinking of running a cron job to restart the VM every night, it is not a critical server, but will be generally used occasionally in the day time.

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  • How to customize web app template admintasia? [closed]

    - by Balaji
    The below is my requirement, Login page Login page for all To search whether a user-id & password are a valid or not. To identify whether the user is of which category, namely, Admin, Manager, User. Redirect the page accordingly for respective user with their privilege. Admin - Manager – User Forgot password, Get username of email address and send the credential by validating the user input. Login & Operations Admin Display all submitted forms by admin, manager and user Tabs – Submissions, Mange form & Manage users. Submissions There must be a ‘sort’, listing, admin, manager and user. Username column should hyper link to edit the user account There must be a ‘sort’ option as ‘ALL’ while this option is chosen; the admin must be capable to view, as below, If Admin selects ‘admin’ from dropdown all submitted forms by admin user accounts should display and this operation is similar for the manager account as above. Manage forms, Agent Name, Credit Site, Lenders, Type of Loan, No Scores and Type Of Card Add, edit, update, delete Active and inactive Always display active records. Manage users, Create a user, User account type, (Admin or Manager or User) User email option Edit & update user, Change username Prompt: are you sure? Change password Prompt: are you sure? Delete user Prompt: are you sure you want to delete? Edit – value – this value should be updated in the common form used by all type of users. Manager Display all submitted forms by managers and users. Submissions and Manage users, Submissions Operations Admin Create filter values, admin, manager and user. Edit - filter values, admin, manager and user. Delete filter values, admin, manager and user. View. Manager Create a user only. View forms. User view and/ or submit form only Logout Log out for all. Prompt: Are you sure you want to log-out. I have downloaded adminstasia. How do I customize this template for the above requirement? The installation is same alike if you check this URL, http://www.admintasia.com/demo/

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  • CMS for single user-editable pages?

    - by GRardB
    Does anybody know of a CMS where users can edit their own page, and their page only (something similar to about.me, except with more customization/options)? I'm not talking about profiles, but more like an individual web page for people's businesses. I want to be able to give local businesses the opportunity to make a single web page for their businesses with ease. I have looked at many CMS's, but I can't find anything that offers this type of functionality. I've check out the following: Unify Concrete 5 Drupal Simple CMS CMS Made Simple (and more) If anybody knows a CMS with the functionality that I'm looking for, or even a regular CMS with modules/plugins that I would be able to use, that would be awesome. Also: the cheaper, the better :D Thanks, Gerard

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