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• Is it possible to detect that a database connection is to a copy rather than to the original database?

  - by user149238

  I have an application that needs to know if it is connected to the original database that it was installed with or if the connection is to a copy of that database. Is there any known method to know if the database has been cloned and the application is no longer connected to the original? I am specifically interested in MS SQL Server and Oracle. I was kicking ideas around for a stored procedure but that most likely doesn't have access to the hardware to confirm unique hardware information that would somewhat guarantee that the database is the one that it was originally connected to during installation. I'm trying to prevent/detect cloning of a database so that there is only 1 "true location of truth". Thanks!

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• Migrating users and mailboxes from postfix / Maildir to Postfix with Mysql backend [closed]

  - by Chrispy

  Possible Duplicate: Migrating users and mailboxes from postfix / Maildir to Postfix with Mysql backend So I've got 60 or so users on a hand rolled postfix installation on openbsd and I'd like to move their mailboxes to our new mail server running iRedMail (postfix, vmail/mysql back end) Does anyone know of a good way to do this? Preferably a script I can run to keep syncing the users mailboxes as MX records get updated? I presume one way (though I don't have all their passwords!) would be to have a command line imap client that simulated the users copying their mail themselves but I'm sure there must be a shell / php script to migrate users? Anyone got any bright ideas? Chris.

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• Server OS: put it on a separate drive? Yes, no, or depends on the situation?

  - by captainentropy

  Hi, I would like opinions, or facts, both preferably, on whether it's ok to install a server's OS on the RAID array or not. I would predict installation on separate drives is the best but I'm interested in the performance. The server in question will have 8 cores (2.4GHz ea.), 24GB RAM, and ~16TB of usable space of server-class drives in RAID10. There is also a subsytem of an ~equivalent size for backup. I will be running CPU/memory intesive applications on this server in addition to it being file storage for my work (research lab). IF I install the OS (haven't decided which one, probably Ubuntu or Fedora or some other good linux distro) on separate drives will there be any performance problems if they aren't configured in RAID10? IF it is better to have the OS on separate drives should I go for 150GB velociraptors in RAID1 or smallish SSD drives in RAID1? Money is unfortunately a factor as I think I'm close to maxing my budget as it is. Thanks!

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• FreeBSD 9 (amd64) reboot/shutdown process is very slow

  - by nbari

  I have a Dell Poweredge 2900 III with FreeBSD 9 (amd64), the server uses mfi wich handles a raid10, I had to reboot the server, but notice that either when rebooting or shutting down the server, something is going wrong, besides taking to much time to reboot/shutdown, after rebooting I notice that that some ldap instances within some jails could'nt start and this was because the database was corrupted. This make me think that probably something was wrong with the disks or mfi card, but checking the disk array / logs everything seems to be working fine. My set up is something like this: Host server has the minimum base of FreeBSD 9 amd64, within I create some jails, the ones contain services like mysql, email, and some others ldap. With FreeBSD 7 and 8 I didn't notice this behavior but with FreeBSD 9 something is not working well. I did a clean installation of FreeBSD 9 and root filesystem is using ZFS. Attached is an image hoping some one can give me a hint of what to check or any kind of advice. reboot capture screen image

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• Installing CentOS 6.3 wrong hard drives order?

  - by Ken Tang

  I am trying to install CentOS 6.3 on new server that has 2xSSD and 1xHDD drives connected to mainboard's SATA ports by following order: SSD1 -> SATA1 SSD2 -> SATA2 HDD1 -> SATA3 On the installation process CentOS shows me hard drives by this order: /sda -> that is actually SSD2 /sdb -> HDD1 /sdc -> SSD1 It looks like CentOS assigns it randomly rather by the SATA connection order. My question is: What the order of drives /sd* depending on? And how can I change it to be by the order it connected to SATA? Thank you in advance!

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• Can I copy from vim to another window without +xterm-clipboard?

  - by GorillaSandwich

  I'm using Ubuntu and vim. I can copy text from vim and paste it into another window by highlighting it in vim, then middle-clicking in the other window. This works fine when I'm on my local machine. I can also copy into the system register by highlighting text and yanking to the system register. (For example, Shift-V JJ "+ y to go into linewise visual mode, highlight two lines, select the '+' register and yank.) It's then available to paste into other windows. However, if I ssh into my web host, I can't do either of these. (They use some flavor of Linux - I think it's CentOS.) In vim, if I type :version, my local version shows +xterm_clipboard, but the host's version shows -xterm_clipboard. I don't have sudo rights there. Is there any way to be able to copy from their vim without getting them to tinker with the installation?

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• How do I get rid of "Trusted Drive Manager"?

  - by Earlz

  I have a Dell laptop that's been experiencing some weirdness lately. Apparently Dell puts "Trusted Drive Manager" on their hardware.. Well, now I keep getting these errors: I tried uninstalling Dell Data Protection, but it says some other package is required for the installation, which I can't install because I'll get another generic error (Dell Data Protection Access Drivers). This error pops up when I first boot, when I open a save file dialog, when I try to do a disk cleanup. How the hell do I get rid of this!?

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• What causes an MSI package to launch following application install

  - by Damo

  We have an application we have developed, it gets deployed via an MSI I built. The MSI has been used in many locations, on many different builds. On one customers site, on occasion we are seeing some odd occurrences of data from the registry going missing. The 'data' from some select registry keys disappears and we have little idea why. One interesting point is that the MSI installer for our application has been seen in passive mode during OS load / load of our application on stat-up. The MSI loads a progress bar then disappears, following this our application loads up. It has been noted that following this the data disappears from our registry. However I can't say these two events are absolutely linked, it could have been missing before this event. What causes the MSI for an application to launch way after initial installation. How can it be prevented (correctly)

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• Windows 8 account and MSN

  - by win8user

  I've installed windows 8 and during setup it wanted my email. I provided an alternative email (let's call it email_1) for the installation to complete. Then I've installed windows live (msn only), for which I use another email (email_2). Now, every time I start windows and open msn, I'm signed in with email_1. I selected "forget me" for email_1 address in the msn login window, but I'm somehow always signed in with email_1. Is there any way to completely remove email_1 from the msn?

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• USB-keyboard & mouse powered off in windows-7

  - by sinned

  I have a problem with a pc where usb devices are not getting any power as soon as windows starts up (it works in preboot). This pc has no ps/2, so there is no chance for input, also not in secure boot mode. I "tidied up" using sysinternals autostart, so there is a chance I messed something up here, although I'm quite sure I only deleted some old printer drivers from autostart. I do not know how to reset this, I cant even log in because there is no input possible. I could use a linux live cd, but I don't know what to do there because there is no sysinternals from linux into a not running windows... To make things even worse, I have the windows installation completely encrypted with truecrypt, so I haven't even tried windows recovery cd yet. There is no loss of data since I can access the disc with a live-linux, I only want to use it again without resetting up everything. Any suggestions?

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• Web log files analyzer

  - by Peter Štibraný

  I already use Google Analytics on my page, but I'd like to get additional info from log files. I've looked at various packages during last days, but nothing impressed me so far. Some requirements: must work on log file level (I use apache combined logs, but can configure apache to produce other types of logs) can generate static reports (windows/linux) or use GUI (windows only) should be easy to add custom user agents, and rerun analysis if it can recognize installation of eclipse plugins from log, that would be big plus understands google serp position referer should not require two days to setup (awstats, I am looking at you) should be still under active developement (i.e. analog isn't good answer) preferrably free, or at not very expensive :-) Any good analyzers programs out there?

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• Cannot install wireless lan service on windows 2012 RTM offline

  - by user1763118

  I'm having trouble installing the wireless lan service offline with a fresh installed windows 2012 server RTM. I tried "install-windowsfeature wireless-networking" in the non-gui mode and using the server manager in the gui mode to enable the wireless lan service, but both of them show a "failure configuring windows updates" message after the installation restarted the system. I checked the event log and I think messages about "The WLAN Autoconfig service depends on the following service: nativewifip. This service might not be installed" are the source of the issue. Google shows it is a service called "native wifi filter", but I cannot find anywhere to install that service. I don't have a Ethernet adapter for that computer, so have to install everything offline before the wifi's working.

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• HP Wireless Printer not working

  - by Omri Spector

  I have installed an HP DeskJet 4620 driver on a win 7 machine. All works perfectly for several days, and than printing is not longer possible. Instead I get the message: "Unable to communicate with printer". This happened on every Win 7 PC I tried, and none of the HP/MS sites contain any relevant info... (Posting this so that the answer appears online, as I did solve it after much work) Solution: It appears that HP installation puts a unique "port" called "HP Network re-discovery". It stops working after some time (possibly after the first time the printer/pc enter sleep mode). BUT, the standard MS TCP port works just fine. So: Go to "Printers" Right click Printer Click "Printer properties" and then "Printer" or "Fax" (for both - do all this twice) Click "Add Port..." Select "Standard TCP Port" Fill in details Move printer to use the new port by un-checking the old one and checking the new one Happy printing.

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• Gentoo+urxvt+terminus: How do I change font version?

  - by gaidal

  In my Debian installation I can type extended ASCII characters such as åäö by default using the terminus font, however in Gentoo I can't get it to work so far. Nothing happens when I hit those keys, like in this thread: Missing glyphs in Terminus font, how to setup a fallback font ? But in this case I know terminus supports those characters in at least some of its versions, since it's works in Debian. So what I want is to find out how to see and choose which of the many different terminus font files is being used. I set the font in the same way on both Debian and Gentoo, using URxvt*font: xft:terminus:size=xx in .Xdefaults. Both systems use en_US.UTF-8 as default locale.

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• Windows 7: Use VirtualStore as user for own benefit?

  - by mfn

  I've researched a bit and came to the understanding that VirtualStore is part of the new UAC feature in Vista/W7 which is the file system part of the transparent data redirection and redirects write access to folders like program files to C:\User\<username>\AppData\Local\VirtualStore\ in lack of applications respecting the LUA principles. Now I'm interested if that kind of transparent redirection can also be used as a power to the user. Here's an example which comes to my mind: I install any kind of software to e.g. D:\Whatever\ThisAndThisApp\ and I set up things that, after initial installation, any write access to this folder is transparently redirected to e.g. D:\MyOwnVirtualStore\Whatever\ThisAndThisApp\file_only_writable_here.txt. Is this thinking too far or can I actually use that power of VirtualStore as a user on Windows 7? I'm using the Professional version of that matters.

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• Is there a "restore point" in Linux (Debian/Ubuntu) like Windows?

  - by Somebody still uses you MS-DOS

  I'm working directly in an Ubuntu Virtual Machine (VM). Some updates (like kernel) were available at the update manager. If I weren't using a VM, I wouldn't update it since it's a risk to break something. Since it's a VM, you can create a Snapshot or export an appliance and restore if something goes wrong. Suppose I'm not using a VM with a Debian/Ubuntu installation. Is there a install-restore approach that doesn't depend in a VM configuration to restore your system exactly before an upgrade (Like a "Restore Point" in Windows), being easy to restore like a VM appliance? (I'm not looking for "ghost images" or something like that (Norton Ghost, Clonezilla, etc), I'm looking for something builtin in the Linux System)

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• Using Postgres on Volusion site

  - by Sean

  Okay, I apologize if this is so basic that I should know the answer, but I'm not sure where else to go for the solution. I would like to start a small store site using Volusion. I would like some custom ASP code to query data that I currently have in a Postgres database. I would like to be able to just move the database file(s) onto the Volusion server via ftp and access them from my store site (via the custom ASP). Do I need to install Postgres onto the server to do this, or can I just ftp my database file(s) and access them with the ASP code? I think I need to install Postgres, but would like to do this without such an installation if possible.

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• Help looking before I leap! I need expert guidance...

  - by Ellen Reddick

  27" iMac running win7 under bootcamp (slick! ). I have Access 2003 program with files linked through ODBC used by 4 installations (all with Access 2003 installed). I want to buy Access 2010 and try it under virtual PC (under Bootcamp). Will it work (since I have to install the ODBC drivers)? If I decide after this trial that I like what it does, can I then install it under the Windows 7 bootcamp partition (with or without uninstalling the virtual PC) without using up the 2nd allowed installation? Also, I see that MS allows an Office Pro 2010 trial download good for 60 days. Would this work in Windows 7 Virtual PC and would it be a better way to go, followed by a legitimate purchase of Access 2010 for the Windows 7? This is not an Access programming question--I realize there may be some tweaks necessary in the program to run it under 2010 and I can handle that part.

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• Intel HD 4000 driver not working

  - by Sagar Parakh

  I have a Dell Inspiron 15r se 7520. I have upgraded my system to Windows 8.1 few days back. After the upgrade, my Intel HD 4000 graphics driver stopped working. I have downloaded the latest driver from Dell website but during installation it said that my graphics driver is not compatible or validated and also my dedicated graphics driver AMD ATI Raedon HD 7730m also stopped working. There is also a problem with my screen brightness: I am unable to change it. How to make my graphics driver work?

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• Self hosted Wordpress freezes for 20 seconds before sending the page

  - by TheoJones

  I have a website with Wordpress and PHPBB integrated - and it's been fine for months.. then all of a sudden, it's unbelievably slow to load. There are no errors in the apache logs, but looking at the page in firebug shows a 20 second pause, before the page is delivered. more confusing, on the same server, same apache installation, PHPBB loads in 30ms, no delay. I tried the hogdetector wordpress plugin, which indicates that the delay is before the header is sent - which seems to agree with firebug. Any ideas how to troubleshoot this one further?

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• Windows 7 Sleep Problems

  - by salcan

  My desktop's Windows 7 installation was working perfectly but recently I ran into a problem where it would not come out of sleep. The system seems to be running it's just that it won't come out of the sleep state. If I have to guess I would say that it's not recognizing the USB and thus not waking. I'd say this was a standard problem with Windows not sleeping/hibernating properly, but it was working fine for about a year and stopped working around two weeks ago. I have hybrid sleep ON and USB selective suspend ON.

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• Partition table damaged

  - by emaster70

  Hello, I'm currently in a terrible situation with my hdd: I was trying to install an OS side by side with my windows 7 x64 and I used the Paragon Partition Manager feature made for that. It disabled/hid/(damaged?) one of my partitions and now I can no longer access it. The partition, unfortunately, contains data I need to access urgently and I've got no backup. To complicate things even further I don't have another PC (I'm writing this msg from my iphone) and all I can rely on is a backtrac 4 disk (wkn't connect to my wifi, gets stuck obtaining IP address) and. Windows 7 x64 disk. Booting into windows fails with the pc hanging on the starting windows screen. Safe mode won't work either. Is there anything I can do? Here's the layout of the disk: Recovery partition Win partition Unallocated space (it's supposed to be my data partition) Other os partition (don't care about that, the installation of the other OS failed) Please help me, I'm desperate.

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• MySQL cluster: 20Tb x 3K tables

  - by ethrbunny

  Over the next 2-3 years we will be scaling up data collection for a project. As a result the amount of data will grow 10-fold. Our current MySQL installation can keep up with the 2Tb of data but for larger queries there is a fair amount of IOWait. Im investigating a migration to a clustered solution to spread out the IO but am wondering about NDB and what happens to data that doesn't get accessed very often. The impression I get from reading about MySQL cluster is that it relies on memory tables for most of the data. What happens with tables that don't get accessed very often (or at all)? And how does backup work? Can I use MYSQLDUMP or is there a better solution?

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• How to create Restoration Partion?

  - by Fellknight

  For some time now, when buying new computers (laptops in particular) from big name brands-like DELL, HP, TOSHIBA, etc.-most of them come with a "rescue" or "restore" partion instead of installation CD/DVD. Said partitions have everything needed to rebuild the factory installed OS, unfortunately they also include all crapware that the OEM installed on the machine. Is it there a way to custom create such a partition with out all the useless software included?. They seem quite appealing considering they only use about 10GB-20GB of space and offer the pretty much the same functionality as a complete system image/backup.

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• Windows user trying install Git on Solaris

  - by nahab

  Is there simply way to install Git on Solaris as on Windows without installing any side libraries and compiling source files? And if not, why? UPD. Yes I'm looking for single package that will be easy to install. We have ~8 solaris zones using for development those we need simple way to install git fast on they. Installation should be easy because each member of team possibly will be do it and it should be fast because of big count of zones.

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