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• How to recover basic networking utilities on Debian?

  - by Rizo

  I am administrating a small server for LAN, providing basic services such as web-proxy, ldap, kerberos, afs, etc. Yesterday there was a power cut so server halted. When I restarted it no network interfaces were available and configured. I tried restarting networking daemon but it just exited with 0 status. So I tried to run one of the interfaces manually, but ifup and ifdown commands simply are not there. No only in PATH, but they disappeared from /sbin. So my question is: how can I recover these network utilities?

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• How to restore a file system level copy of a PostgreSQL database (not dump) to a different PC

  - by user782224

  I am new to PostgreSQL. I have to recover a database which was running in widows XP machine. I have the zip folder of postgres. I have extracted postgres installation in a different PC and started a using initDB and created a new database, I was able to login, but I am not able to see any old tables. Would you please post the steps you have used to start server in another windows XP machine and how to recover tables and data in the old data folder?

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• Bare-Metal Restores of Linux Servers with Tivoli

  - by Chad P

  We currently use IBM Tivoli to back up our Linux servers and we are looking for suggestions on the best way to restore to bare metal. I've read IBM's doc on this issue. Is that still relevant or is there a better way? Also, how do you handle testing a restore to a vm or another piece of hardware on the same network that the original server lives?

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• Can't restore HDD using multiple programs

  - by jonney

  Please refer to my original question about this issue. I tried GetDataBack and it doesn't seem to scan or do anything. I chose the default settings from the first screen and then on step 1 I chose my HDD that's damaged. In step 2, nothing happens. It doesn't scan or do anythong, and on step 3 it doesn't display any of my files. I have also tried TestDisk and what happens in TestDisk is that when I try to fix and rebuild the MFT, it says this: MFT and MFT mirror are bad. Failed to repair them. Here is the status of that HDD under Testdrive: I also tried this app and got no results when I tried to recover the files. I keep getting this error: Last but not least, I tried Recuva and that simply says it's unable to read the MFT. Any suggestions? I have tried various apps already and none of them seems to work.

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• Iomega Home Media Network Hard Drive: Filesystem on the disk?

  - by JJarava

  Hi all! I've got to deal with a malfunctioning "Iomega Home Media Network Hard Drive", and I was wondering if anybody knew what file system format does Iomega use on the disk? I've been trying to find the answer online, but i've got nowhere, and checking an obviously malfucntioning unit is not going to give me any assurance. Thanks a lot

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• Windows 7 just deleted 4 days of work wtf!?

  - by Mat

  Hey! I'm just a bit about to freak out. I just finished a project and rebooted my computer. It didn't want to boot anymore so I had to use the windows 7 system repair option. it run for a minute and then booted up. Now most of my sourcecode from the last 4 days of work is gone! background: sometimes (most often after installing new software) my notebook won't boot up anymore. It will just show the little Win 7 flag, but not read from the harddisk anymore. If I hardabord and reboot then, it asks me whether to start windows normally (which won't work) or to run "windows startup repair". If i run it, it does some stuff for about two or three minutes and then I can boot windows again. Usually after this, .exe files i added to the computer during previous days are gone - but other files so far were not touched. But now, after this happened, a whole bunch of ".as" (ActionScript source files) from my project are gone!! does anyone know where and whether there's a way to recover them?? please help! Thank you!

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• Recover Intel Matrix Raid Configuration

  - by Catalin DICU

  Hello, I had 2 HDDs in Intel Matrix Raid configuration on a motherboard with intel ICH9R. I had some RAID 0 partitions and one RAID 1 partition. Somehow when replacing my videocard I partially unpulugged the power connector from one of the HDD. I booted and only one disk was showing. So I turned off the PC and correctly plugged the power connector and how both HDDs are showing as "Non-Raid Disk" Is there a way to restore the raid configuration from before ? In fact I don't really remember how my partitions where configured, I had 2x100Gb + 1x296Gb in RAID 0 and one 50Gb in RAID 1 (using 2x320Gb HDDs) but I'm not sure how many volumes and how the partitions where allocated on the volumes. Is there a tool to find that ? Thanks

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• Recover my pendrive

  - by oneat

  I've got a problem with my pendrive. I haven't used him for 2 months and now when I try to open it it says that it's unformatted. Do you know any program (I prefer something free or opensource) which could retrieve these data?

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• How to reset Administrator password Windows Server 2003 installed on Vmware?

  - by Cucumber

  I want to reset administrator password on Windows Server 2003. OS installed on VMware server VMware Server version 2.0.1. And problem is this: when i try to boot from live cd, after boot disk with Windows not detected. I tried to use Windows Admin Hack - Linux Boot; Hirens.BootCD.10.4; ophcrack-xp-livecd-2.3.1.iso None of these programs did not see the hard drive! Any ideas? Thank! ADD: I want to reset LOCAL admin password, not domain. And this computer are not domain controller.

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• How to recover deleted files?

  - by vijay.shad

  Hi My laptop has two os. one is windows vista. and other is Ubuntu. I am currently on ubuntu system, this is my primary OS. There are 4 partitions of my hard disk Windows OS Linux(Ubuntu OS) Data Now the problem part. The data partition is NTFS. I have mounted this partition on the location /media/windrive-a under ubuntu OS. A little while back i decided to delete the mounting of the data partition and i fired command rm -r /media/windrive-a/. To give me a shock; all my data on data drive is gone. Now, I know this is not the command to remove mounted partition. But I have committed the wrong. Is there any way i can get my data back. These are very important data for me. Please suggest.

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• Windows 7 administrator Password lost! How can I login windows 7 without password?

  - by Susan

  I forgot windows 7 password on my new computer and i cant log into at all. I was the Administrator for the computer with that account. Now I have to use my old xp computer to ask for help! Anyone know how i can change my password to log into my admin account?

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• Where are Microsoft Outlook 2007 mails located ?

  - by Manu

  After a windows crash, I bought a new computer. I would like to recover the mails stored in the old install. I can access the old drive as a data disk, but windows won't boot anymore from it. I've reinstalled everything on the new computer, but can't find my old emails. Where are they stored ? Since I can't boot from the old drive, I cannot use Outlook's .pst export :(

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• Recover RAID 5 data after created new array instead of re-using

  - by Brigadieren

  Folks please help - I am a newb with a major headache at hand (perfect storm situation). I have a 3 1tb hdd on my ubuntu 11.04 configured as software raid 5. The data had been copied weekly onto another separate off the computer hard drive until that completely failed and was thrown away. A few days back we had a power outage and after rebooting my box wouldn't mount the raid. In my infinite wisdom I entered mdadm --create -f... command instead of mdadm --assemble and didn't notice the travesty that I had done until after. It started the array degraded and proceeded with building and syncing it which took ~10 hours. After I was back I saw that that the array is successfully up and running but the raid is not I mean the individual drives are partitioned (partition type f8 ) but the md0 device is not. Realizing in horror what I have done I am trying to find some solutions. I just pray that --create didn't overwrite entire content of the hard driver. Could someone PLEASE help me out with this - the data that's on the drive is very important and unique ~10 years of photos, docs, etc. Is it possible that by specifying the participating hard drives in wrong order can make mdadm overwrite them? when I do mdadm --examine --scan I get something like ARRAY /dev/md/0 metadata=1.2 UUID=f1b4084a:720b5712:6d03b9e9:43afe51b name=<hostname>:0 Interestingly enough name used to be 'raid' and not the host hame with :0 appended. Here is the 'sanitized' config entries: DEVICE /dev/sdf1 /dev/sde1 /dev/sdd1 CREATE owner=root group=disk mode=0660 auto=yes HOMEHOST <system> MAILADDR root ARRAY /dev/md0 metadata=1.2 name=tanserv:0 UUID=f1b4084a:720b5712:6d03b9e9:43afe51b Here is the output from mdstat cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid5 sdd1[0] sdf1[3] sde1[1] 1953517568 blocks super 1.2 level 5, 512k chunk, algorithm 2 [3/3] [UUU] unused devices: <none> fdisk shows the following: fdisk -l Disk /dev/sda: 80.0 GB, 80026361856 bytes 255 heads, 63 sectors/track, 9729 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000bf62e Device Boot Start End Blocks Id System /dev/sda1 * 1 9443 75846656 83 Linux /dev/sda2 9443 9730 2301953 5 Extended /dev/sda5 9443 9730 2301952 82 Linux swap / Solaris Disk /dev/sdb: 750.2 GB, 750156374016 bytes 255 heads, 63 sectors/track, 91201 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000de8dd Device Boot Start End Blocks Id System /dev/sdb1 1 91201 732572001 8e Linux LVM Disk /dev/sdc: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00056a17 Device Boot Start End Blocks Id System /dev/sdc1 1 60801 488384001 8e Linux LVM Disk /dev/sdd: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000ca948 Device Boot Start End Blocks Id System /dev/sdd1 1 121601 976760001 fd Linux raid autodetect Disk /dev/dm-0: 1250.3 GB, 1250254913536 bytes 255 heads, 63 sectors/track, 152001 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/dm-0 doesn't contain a valid partition table Disk /dev/sde: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x93a66687 Device Boot Start End Blocks Id System /dev/sde1 1 121601 976760001 fd Linux raid autodetect Disk /dev/sdf: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xe6edc059 Device Boot Start End Blocks Id System /dev/sdf1 1 121601 976760001 fd Linux raid autodetect Disk /dev/md0: 2000.4 GB, 2000401989632 bytes 2 heads, 4 sectors/track, 488379392 cylinders Units = cylinders of 8 * 512 = 4096 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 524288 bytes / 1048576 bytes Disk identifier: 0x00000000 Disk /dev/md0 doesn't contain a valid partition table Per suggestions I did clean up the superblocks and re-created the array with --assume-clean option but with no luck at all. Is there any tool that will help me to revive at least some of the data? Can someone tell me what and how the mdadm --create does when syncs to destroy the data so I can write a tool to un-do whatever was done? After the re-creating of the raid I run fsck.ext4 /dev/md0 and here is the output root@tanserv:/etc/mdadm# fsck.ext4 /dev/md0 e2fsck 1.41.14 (22-Dec-2010) fsck.ext4: Superblock invalid, trying backup blocks... fsck.ext4: Bad magic number in super-block while trying to open /dev/md0 The superblock could not be read or does not describe a correct ext2 filesystem. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 Per Shanes' suggestion I tried root@tanserv:/home/mushegh# mkfs.ext4 -n /dev/md0 mke2fs 1.41.14 (22-Dec-2010) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=128 blocks, Stripe width=256 blocks 122101760 inodes, 488379392 blocks 24418969 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=0 14905 block groups 32768 blocks per group, 32768 fragments per group 8192 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 102400000, 214990848 and run fsck.ext4 with every backup block but all returned the following: root@tanserv:/home/mushegh# fsck.ext4 -b 214990848 /dev/md0 e2fsck 1.41.14 (22-Dec-2010) fsck.ext4: Invalid argument while trying to open /dev/md0 The superblock could not be read or does not describe a correct ext2 filesystem. If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock: e2fsck -b 8193 <device> Any suggestions? Regards!

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• Recovering OST file without profile

  - by Philippe

  We have a Microsoft Exchange Server 2007 and offer this solution to many customers. Recently, a customer had his personal Exchange server crash (which is what made him our customer). He called some technician to see if he could repair his server before calling us, but this said tech wasn't able to do anything for them. Now that all his mailbox are on our server, he would like to transfer his old emails over to the new profile, but the tech deleted all profiles on the client machines while trying to repair his Exchange server. So my customer still has the OST files but they are not related to any profiles. Is there any way to re-attach them to a profile, or to convert them into PST files that he could then import into his new profile? The only thing I found were third party software that could to the conversion, but I am wondering if Microsoft has any tools that could re-attach the OST to a new profile. I have also tried the scanpst.exe and scanost.exe to no avail. Thank you

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• Is data on RAM memory recoverable?

  - by Ehsan Mamakani

  Imagine you're working on your computer and suddenly the electricity goes out is there a way to recover the data lost in this case?

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• Is there any special way to force GoBack to work with Windows Vista and 7?

  - by dfree

  Norton/Roxio's GoBack doesn't work with Vista/7 for reasons unknown. I have tried several alternatives (Norton Ghost, RollbackRX, Norton Save and Restore), none of which offer the same functionality as GoBack. Not only does GoBack not eat up all your hard drive space while creating a legitimate fail safe for any pc problems, it also allows you to see ACTIVELY EXACTLY WHAT PROCESS ARE BEING EXECUTED ON YOUR COMPUTER. This feature (called Advanced Disk Drive Restore) also allows you to troubleshoot problems and determine causes for things in about half a second by seeing what is happening on your machine. It's how I learned everything I know about computers. GoBack also features something called Safe Try Mode where you can put it in SafeTry and then mess up the whole computer and when you come out of it, your computer will be exactly how it was before. Amazing for people who like to tinker without risking their machine stability. It also helps for that accidentally erased paper or whatever you may have erased. I believe GoBack installs a type44 partition around the drive, which loads prior to windows to allow this functionality. If you're going to recommend another program, please don't (unless it does all of the above). I've tried all the competition and nothing is as good. I just want my GoBack to work with 7 :) Any ideas of crazy ways to make this work?

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• Windows 7 boot log missing?

  - by matt lohkamp

  After hitting F8 before startup and selecting "enable boot logging", I let windows try to start up and blue screen / restart (which I'm currently trying to troubleshoot) - I run the 'repair' function, open a command prompt, and try to find the boot log file, which I expected to be at %SystemRoot%\ntbtlog.txt - but it's not. Where is it? PS - probably makes no difference, but this is windows 7 ultimate 64bit to be precise.

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• Tool to determine filesystem on removable media

  - by Todd Brooks

  I have a CompactFlash card that is used in a custom piece of hardware. WAV files are written to it. Windows doesn't recognize the media and wants to format it, which rules out FAT 16/32, NTFS, UDF, etc. Is there a Windows tool that can determine what filesystem the media is using and possible read the contents? I've tried dskprobe.exe, but it did not work.

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• Email continuity services i.e. Messagelabs - Caveats, lessons learned, gotchas?

  - by molecule

  Hi all, I am in the process of reviewing some email continuity solutions such as the one offered by Messagelabs. Solutions such as this are not cheap, however, I believe they reduce complexity when it comes to administration and serves as a feasible DR type solution for emails as opposed to purchasing a new server for DR purposes. Have any of you had first hand experience using this service and what are your opinions and/or feedback? Thanks in advance.

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• Multicast image restoration with adaptive speed

  - by Clinton Blackmore

  I'm curious to know if there are any tools for restoring disk images (or even transferring files) via multicast -- for any platform, especially if the project has source available -- where the multicast rate adjusts itself on the fly. On the Mac, all multicast solutions I am aware of (such as Deploy Studio, and NetRestore before it) make use of multicast ASR (apple software restore), which has one glaring deficiency -- you have to set the multicast speed before you start sending a disk image over the network, and that speed is locked in. Either your clients can keep up and restore, or they can't*. It seems to me that it must be possible for the multicast server to adjust the data rate, so you basically say "start sending this image", clients connect, and, if they can't keep up, they tell the server so it slows down. (Likewise, I'd expect the server to try speeding up if no client is having difficulties keeping up, and I'd expect to be able to cap that maximum throughput so that other network activities can go on without being resource starved.) So, what sort of tools are out there? For Linux? Windows? Is there something for the Mac I've overlooked. [It just kills me that it is true that, by the time you get multicast up and going at a good speed to restore a lab, you could've unicasted the data to all the computers and be done.] * There is a little leeway involved. I think individual clients can say, "I missed a little bit of data" and get it, and they can opt to listen in the next time the image is sent over the network, but on the whole, if they missed it the first go round, you have to image the machine again, and there is no time savings.

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• Are there any data remanence issues with flash storage devices?

  - by matt

  I am under the impression that, unlike magnetic storage, once data has been deleted from a flash drive it is gone for good but I'm looking to confirm this. This is actually relating to my smart phone, not my computer, but I figured it would be the same for any flash type memory. Basically, I have done a "Factory Reset" on the phone, which wipes the Flash ROM clean but I'm wondering is it really clean or is the next person that has my phone, if they are savvy enough going to be able to get all my passwords and what not? And yes, I am wearing my tinfoil hat so the CIA satellites can't read my thoughts, so I'm covered there.

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• Architecture for highly available MySQL with automatic failover in physically diverse locations

  - by Warner

  I have been researching high availability (HA) solutions for MySQL between data centers. For servers located in the same physical environment, I have preferred dual master with heartbeat (floating VIP) using an active passive approach. The heartbeat is over both a serial connection as well as an ethernet connection. Ultimately, my goal is to maintain this same level of availability but between data centers. I want to dynamically failover between both data centers without manual intervention and still maintain data integrity. There would be BGP on top. Web clusters in both locations, which would have the potential to route to the databases between both sides. If the Internet connection went down on site 1, clients would route through site 2, to the Web cluster, and then to the database in site 1 if the link between both sites is still up. With this scenario, due to the lack of physical link (serial) there is a more likely chance of split brain. If the WAN went down between both sites, the VIP would end up on both sites, where a variety of unpleasant scenarios could introduce desync. Another potential issue I see is difficulty scaling this infrastructure to a third data center in the future. The network layer is not a focus. The architecture is flexible at this stage. Again, my focus is a solution for maintaining data integrity as well as automatic failover with the MySQL databases. I would likely design the rest around this. Can you recommend a proven solution for MySQL HA between two physically diverse sites? Thank you for taking the time to read this. I look forward to reading your recommendations.

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• Cannot access files after trying to upgrade Ubuntu

  - by Ola

  I tried to upgrade Ubuntu from 11.10 to 12.04. I left it for 24 hours but the upgrade did not complete. Hence I cancelled the upgrade. I thought I will copy all the files that I have to a DVD/CD and try try downloading a copy of Ubuntu. But now, I cannot open any file or copy them. I cannot even shutdown my laptop. I have many important files on my laptop. Can someone help me retrieve my files from my laptop? Regards Ola

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• Have you ever used kon-boot?

  - by Ctrl Alt D-1337

  Has anyone here ever used kon-boot? I guess it may work because of the few blog posts about it but I feel kinda concerned and am interested at hearing experiences from anyone who have used multiple times with no side effects. I am slightly worried for any direct memory altering it tries to do. I am also worried if this will do its job fine to hide the fact it puts in a low level trojan or if the author planned to do anything like that in a future release as it looks like closed source from the site. Also I don't intend to gain illegal access but I find these sort of things very useful for my box of live discs I take every where, just in case. OT: Other question that me be of interest to readers here

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• STOP: c000021a {Fatal System Error} The initial session process or system process terminated unexpectedly

  - by christof

  I'm encountering such an error after expanding disk space on a virtual machine using Hyper-V. STOP: c000021a {Fatal System Error} The initial session process or system process terminated unexpectedly with a status of (0x00000000) (0xc000012d 0x001003f0). The virtual server there is Windows Server 2008 R2 Enterprise Edition, which is also Domain Controller. I've tried to repair Windows but there is no restore point, and using the command line. I've tried the sfc /SCANNOW /OFFBOOTDIR /OFFWINDIR command, but I got the error Windows Resource Protection could not perform the requested operation.

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