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• Best way to replicate / mirror 100s of databases in SQL 2005

  - by mrwayne

  Hi, I currently host around 400-500 SQL 2005 databases of varying sizes (1-10 gig) each. I am aware of most of the different methods available and the general pros/cons of mirroring, log shipping, replication and clustering, but i am not aware of how well they tend to perform when its employed at the size i have specified (400-500 unique databases). Does anyone have any good advice on what is likely the best method for having the ability to fail over to another server with this sort of setup? Fail over does not need to be immediate, i'm just looking for something better than taking backups every day and moving them to storage. I'm preferably looking for something that would also makes it easy to manage the databases in bulk (as opposed to one at a time). Thanks for your input!

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• Replacing latex with unicode symbols

  - by Elazar Leibovich

  Often, during a conversation or an email, or at a forum, I would like to type some math, but I don't need full equation support. Unicode symbols should suffice. What I need is an easy way to type math related unicode symbols. Since I already know latex, it makes sense to use the latex symbol mnemonics to type the math symbols. What I currently did is to write an AutoHotKey script which automatically replaces \latexSymbol with the corresponding unicode symbol, using the "hotstrings" AutoHotKey feautres. However, the AutoHotKey hotstrings proved unstable for many strings. Having a couple of tens lines would cause AHK to fail recognizing the strings from time to time. Any other solution? (No, Alt+unicode number isn't convenient enough) Attached is my AHK script. The PutUni function is taken from here. ::\infty:: PutUni("e2889e") return ::\sum:: PutUni("e28891") return ::\int:: PutUni("e288ab") return ::\pm:: PutUni("c2b1") return ::\alpha:: PutUni("c991") return ::\beta:: PutUni("c992") return ::\phi:: PutUni("c9b8") return ::\delta:: PutUni("ceb4") return ::\pi:: PutUni("cf80") return ::\omega:: PutUni("cf89") return ::\in:: PutUni("e28888") return ::\notin:: PutUni("e28889") return ::\iff:: PutUni("e28794") return ::\leq:: PutUni("e289a4") return ::\geq:: PutUni("e289a5") return ::\sqrt:: PutUni("e2889a") return ::\neq:: PutUni("e289a0") return ::\subset:: PutUni("e28a82") return ::\nsubset:: PutUni("e28a84") return ::\nsubseteq:: PutUni("e28a88") return ::\subseteq:: PutUni("e28a86") return ::\prod:: PutUni("e2888f") return ::\N:: PutUni("e28495") return

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• AXway/tumbleweed EMF in exchange 2007

  - by Buckwheat

  Looking for someone who has implemented an axway EMF recently. I'm about to implement an axway SM product for company wide email encryption. I current have an edge transport server and an exchange 2007 server. I want to route email like the follow: the edge picks up internet email to exchange and all out going email will go out the axway. I have two things to figure out: do I only have to build a new send connector on exchange to point to a smarthost (axway) and disable the send connector going to the transport edge server? and two The axway server has to route notifcations to people. Am I looking into something like this? http://msexchangeteam.com/archive/2006/12/28/432013.aspx

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• Fastest light-weight image viewer over forwarded x11 session (linux)

  - by Matthew

  I have a slow network connection over which I'm forwarding x11 over ssh. I want to view images on the remote host (Ubuntu) quickly and efficiently. I'm looking for an image viewer that will take into account the image viewer window's resolution and downsize the image before sending it over the network, instead of sending the full size image. The images I want to view will be around 5MB and I only need to be able to browse through tiny thumbnails of the images to identify the image I'm looking for. It is not necessary to be able to see more than one image at a time. Highest speed over slow network connection is the priority. Thanks! Matthew EDIT: It's possible that the way x11 forwarding works, only the image at the display resolution will be transferred anyway. If that's true, please confirm and the question still stands for which image viewer will be the fastest over a slow connection

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• ghettoVCB issue

  - by romgo75

  I have setup a ghettoVCB script in order to backup three VM. I put it in a crontab but I have an issue. In my backup folder I have 3 different folders, one for each VM. In each folder I have the following files: -rw-r--r-- 1 root root 1263 Mar 17 01:51 vm1-2010-03-16--2.gz -rw-r--r-- 1 root root 1263 Mar 17 00:41 vm1-2010-03-16--3.gz -rw-r--r-- 1 root root 1261 Mar 18 01:22 vm1-2010-03-17--1.gz drwxr-xr-x 1 root root 980 Mar 19 23:39 vm1-2010-03-19 The problem is the last folder. It seems that a backup didn't finish the process. When I read the logs concerning this folder I get: 2010-03-19 23:00:01 -- info: CONFIG - VM_BACKUP_VOLUME = /vmfs/volumes/datastore1/backup/ 2010-03-19 23:00:01 -- info: CONFIG - VM_BACKUP_ROTATION_COUNT = 3 2010-03-19 23:00:01 -- info: CONFIG - DISK_BACKUP_FORMAT = zeroedthick 2010-03-19 23:00:01 -- info: CONFIG - ADAPTER_FORMAT = buslogic 2010-03-19 23:00:01 -- info: CONFIG - POWER_VM_DOWN_BEFORE_BACKUP = 0 2010-03-19 23:00:01 -- info: CONFIG - ENABLE_HARD_POWER_OFF = 0 2010-03-19 23:00:01 -- info: CONFIG - ITER_TO_WAIT_SHUTDOWN = 3 2010-03-19 23:00:01 -- info: CONFIG - POWER_DOWN_TIMEOUT = 5 2010-03-19 23:00:01 -- info: CONFIG - SNAPSHOT_TIMEOUT = 15 2010-03-19 23:00:01 -- info: CONFIG - LOG_LEVEL = info 2010-03-19 23:00:01 -- info: CONFIG - BACKUP_LOG_OUTPUT = stdout 2010-03-19 23:00:01 -- info: CONFIG - VM_SNAPSHOT_MEMORY = 0 2010-03-19 23:00:01 -- info: CONFIG - VM_SNAPSHOT_QUIESCE = 0 2010-03-19 23:00:01 -- info: CONFIG - VMDK_FILES_TO_BACKUP = all http://... 2010-03-19 23:39:35 -- info: Initiate backup for vm1 2010-03-19 23:39:35 -- info: Creating Snapshot "ghettoVCB-snapshot-2010-03-19" for vm1 Destination disk format: VMFS zeroedthick Cloning disk '/vmfs/volumes/datastore1/vm1/vm1_1.vmdk'... ^MClone: 0% done.^MClone: 1% done.^MClone: 2% done.^MClone: 3% done.^MClone: 4% done.^MClone: 5% done.^MClone: 6% done.^MClone: 7% done.^MClone: 8% done.^MClone: 9% done.^MClone Failed to clone disk : The file already exists (39). Destination disk format: VMFS zeroedthick Cloning disk '/vmfs/volumes/datastore1/vm1/vm1.vmdk'... 2010-03-20 00:46:20 -- info: Removing snapshot from vm1 ... one: 7% done.^MClone: 8% done.^MClone: 9% done.^MClone: 10% done.^MClone: 11% done.^MClone: 12% done.^MClone: 13% done.^MClone: 14% done.^MClone: 15% done.^MClone: 16% done.^MCl 2010-03-19 23:51:19 -- info: Removing snapshot from vm1 ... I can't run ghettoVCB anymore because the VM has a snapshot which has not been deleted. I know how to delete the snapshot, but I don't know why the VCB script is not able to handle rotation of the VM backups? Any ideas? Thanks!

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• Steps to hardening JBoss for production use on Windows?

  - by Brian

  Looking for resources/guidance on hardening a JBoss installation on windows for production use.

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• Fedora, ssh and sudo

  - by Ricky Robinson

  I have to run a script remotely on several Fedora machines through ssh. Since the script requires root priviliges, I do: $ ssh me@remost_host "sudo touch test_sudo" #just a simple example sudo: no tty present and no askpass program specified The remote machines are configured in such a way that the password for sudo is never asked for. For the above error, the most common fix is to allocate a pseudo-terminal with the -t option in ssh: $ ssh -t me@remost_host "sudo touch test_sudo" sudo: no tty present and no askpass program specified Let's try to force this allocation with -t -t: $ ssh -t -t me@remost_host "sudo touch test_sudo" sudo: no tty present and no askpass program specified Nope, it doesn't work. In /etc/sudoers of course I have this line: #Defaults requiretty ... but I can't manually change it on tens of remote machines. Am I missing something here? Is there an easy fix? EDIT: Here is the sudoers file of a host where ssh me@host "sudo stat ." works. Here is the sudoers file of a host where it doesn't work. EDIT 2: Running tty on a host where it works: $ ssh me@host_ok tty not a tty $ ssh -t me@host_ok tty /dev/pts/12 Connection to host_ok closed. $ ssh -t -t me@host_ok tty /dev/pts/12 Connection to host_ok closed. Now on a host where it doesn't work: $ ssh me@host_ko tty not a tty $ ssh -t me@host_ko tty not a tty Connection to host_ko closed. $ ssh -t -t me@host_ko tty not a tty Connection to host_ko closed.

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• How can I get VirtualBox Guest Additions installed in an Ubuntu 9.10 server?

  - by sutch

  I have a freshly installed Ubuntu 9.10 server installed within a VirtualBox VM instance. From the VirtualBox menu bar, I selected Devices: Install Guest Additions... Then performed the following commands: > sudo apt-get install -y build-essential linux-headers-$(uname -r) > sudo mount /dev/cdrom /mnt/ > sudo /mnt/VBoxLinuxAdditions-amd64.run After some successful looking results, the following error is displayed: Installing the Window System drivers ...fail! (Could not find the X.Org or XFree86 Window System.) After restarting, I was looking forward to some UI integration with my host desktop (resize window, not needing to press right-Ctrl to escape the client window, and having copy and paste functionality. Is it possible to install the Guest Additions without the X Window overhead (I plan to only use for shell commands)? If additional packages are required, which ones?

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• MailMan error logging in Apache

  - by ericl42

  I am working on a MailMan implementation using Fedora 12. I have it set up and running but I was looking at what happens if someone tries to brute force a password on the web GUI and found that MailMan doesn't log these errors at all or I'm completely looking in the wrong place. I have tried both /var/log/httpd and /var/log/mailman and didn't see any authentication errors. I have also tried bumping up the Apache log level and still didn't see anything. I was wondering if there was a way to turn this type of logging on or if there was any other way to be notified about it. Thanks.

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• 64bit or 32bit Linux system?

  - by Milan Babuškov

  I have a server that has 4GB of RAM. On it, I have installation of 32bit Slackware Linux 12.1. Of course, it is not using all of 4GB of RAM. I'd soon like to increase the RAM to 8GB, and am looking for a way for the system to use it. The system is used as a database server and is under high load during the day. AFAICT, I have two options: stay with 32bit and rebuild the kernel and lose some performance. Or go with 64bit and reinstall everything. Looking at 64bit versions of Slackware, I could run -current or Slamd64. Now, on to the questions: Should I stay with 32bit or go with 64bit? If I go 64bit, should I use -current or Slamd64? P.S. I hope to get answers from someone actually using any of these configurations in production, not just copy/paste something I could find myself via Google.

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• Windows 7 - system error 5 problem

  - by Ian

  My wife has just had a new computer for Christmas (with an upgrade from VISTA to Windows 7), and has joined the home network. We are using a mix of WindowsXP and Ubuntu boxes linked via a switch. We are all in the same workgroup. (No domain). Internet access, DHCP, and DNS server is an SME server that thinks it is domain controller (although we are not using a domain). I need to run a script to back up my wife's machine (venus). In the past the script creates a share on a machine with lots of space (leda), and then executes the line. PSEXEC \\venus -u admin -p adminpassword -c -f d:\Progs\snapshot.exe C: \\leda\Venus\C-drive.SNA With the wife's old XP machine, this would run the sysinternals utility, copy shapshot,exe to her machine and run it, which would then back up her C: drive to the share on leda. I cannot get this to work with Windows 7, nor can I link through to the C$ share on her machine. This gives me a permissions error (system error 5). The admin account is a full admin account. And yes - I do know the password. The ordinary shares on her machine work fine! I guess I'm missing something that Microsoft have built into Windows 7 - but what? The machine is running Windows 7 business, with windows firewall, AVG anti virus, and all the crap-ware you get with a new PC removed. Thanks

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• Is it possible to aggregate multiple email accounts into a single Outlook 2007 Inbox/.OST file?

  - by Howiecamp

  I'm using Outlook 2007 and would like to combine multiple email accounts (some are Exchange, some IMAP) into a single Inbox/.OST mail file. An example of the functionality I'm looking for is the Blackberry, where you can configure multiple email accounts and then access that mail either by the inbox for that specific account or via a single aggregated mailbox. In the single mailbox case, when you reply to a given piece of mail the Blackberry is smart enough to switch your "From" address to be that of the account where the email came in to. I'm essentially looking for this functionality in Outlook. Are there native options and/or third party plug-ins which do this?

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• ghettoVCB issue

  - by romgo75

  Hi, I setup ghettoVCB script in order to backup 3 VM. I put it in a crontab but I have an issue. In my backup folder I have 3 different folder, one for each VM. For each Folder I have th following files : -rw-r--r-- 1 root root 1263 Mar 17 01:51 vm1-2010-03-16--2.gz -rw-r--r-- 1 root root 1263 Mar 17 00:41 vm1-2010-03-16--3.gz -rw-r--r-- 1 root root 1261 Mar 18 01:22 vm1-2010-03-17--1.gz drwxr-xr-x 1 root root 980 Mar 19 23:39 vm1-2010-03-19 The problem is the last folder. It seems that a backup didn't finished the process. When I read the logs concerned by this folder I get : 2010-03-19 23:00:01 -- info: CONFIG - VM_BACKUP_VOLUME = /vmfs/volumes/datastore1/backup/ 2010-03-19 23:00:01 -- info: CONFIG - VM_BACKUP_ROTATION_COUNT = 3 2010-03-19 23:00:01 -- info: CONFIG - DISK_BACKUP_FORMAT = zeroedthick 2010-03-19 23:00:01 -- info: CONFIG - ADAPTER_FORMAT = buslogic 2010-03-19 23:00:01 -- info: CONFIG - POWER_VM_DOWN_BEFORE_BACKUP = 0 2010-03-19 23:00:01 -- info: CONFIG - ENABLE_HARD_POWER_OFF = 0 2010-03-19 23:00:01 -- info: CONFIG - ITER_TO_WAIT_SHUTDOWN = 3 2010-03-19 23:00:01 -- info: CONFIG - POWER_DOWN_TIMEOUT = 5 2010-03-19 23:00:01 -- info: CONFIG - SNAPSHOT_TIMEOUT = 15 2010-03-19 23:00:01 -- info: CONFIG - LOG_LEVEL = info 2010-03-19 23:00:01 -- info: CONFIG - BACKUP_LOG_OUTPUT = stdout 2010-03-19 23:00:01 -- info: CONFIG - VM_SNAPSHOT_MEMORY = 0 2010-03-19 23:00:01 -- info: CONFIG - VM_SNAPSHOT_QUIESCE = 0 2010-03-19 23:00:01 -- info: CONFIG - VMDK_FILES_TO_BACKUP = all http://... 2010-03-19 23:39:35 -- info: Initiate backup for vm1 2010-03-19 23:39:35 -- info: Creating Snapshot "ghettoVCB-snapshot-2010-03-19" for vm1 Destination disk format: VMFS zeroedthick Cloning disk '/vmfs/volumes/datastore1/vm1/vm1_1.vmdk'... ^MClone: 0% done.^MClone: 1% done.^MClone: 2% done.^MClone: 3% done.^MClone: 4% done.^MClone: 5% done.^MClone: 6% done.^MClone: 7% done.^MClone: 8% done.^MClone: 9% done.^MClone Failed to clone disk : The file already exists (39). Destination disk format: VMFS zeroedthick Cloning disk '/vmfs/volumes/datastore1/vm1/vm1.vmdk'... 2010-03-20 00:46:20 -- info: Removing snapshot from vm1 ... one: 7% done.^MClone: 8% done.^MClone: 9% done.^MClone: 10% done.^MClone: 11% done.^MClone: 12% done.^MClone: 13% done.^MClone: 14% done.^MClone: 15% done.^MClone: 16% done.^MCl 2010-03-19 23:51:19 -- info: Removing snapshot from vm1 ... I can't run anymore ghetto VCB because the VM has a snapshot which has not been deleted. I know how to delete the snapshot, but I don't know why the VCB script is not able to handle vm abckup rotate ? Any idea ? Thanks !

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• Which mediacenter appliance

  - by Guillaume

  I'm looking to buy a mediacenter appliance, but I am a bit lost by all the offers on the market. Here are the features I am looking for : at least 500Go HDD capable of playing HD (1080p) supporting a good range of video and audio codecs support for subtitles including a DVB-T input (coax) and tuner composite video input 5.1 (or 7.1) analog audio output LAN (100M or Gigabit) fileserver (SMB or NFS) remote control possibly digital output (S/PDIF, TOSLINK, or other) no need for integrated DVD player no need for wifi The Ultio Pro looks nice (http://www.thinkgeek.com/electronics/home-entertainment/d3fe). It just lacks a DVB-T input which is a show killer for me. Thanks for your suggestions.

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• Installing VirtualBox on BackTrack 5

  - by m0skit0

  I'm getting this error when running VirtualBox's installation script: $ sudo ~/Downloads/VirtualBox-4.1.14-77440-Linux_x86.run Verifying archive integrity... All good. Uncompressing VirtualBox for Linux installation........... VirtualBox Version 4.1.14 r77440 (2012-04-12T16:20:44Z) installer Removing previous installation of VirtualBox 4.1.14 r77440 from /opt/VirtualBox Installing VirtualBox to /opt/VirtualBox tar: Record size = 8 blocks Python found: python, installing bindings... Building the VirtualBox kernel modules Error! Bad return status for module build on kernel: 3.2.6 (i686) Consult the make.log in the build directory /var/lib/dkms/vboxhost/4.1.14/build/ for more information. ERROR: binary package for vboxhost: 4.1.14 not found Here's the log: $ cat /var/lib/dkms/vboxhost/4.1.14/build/make.log DKMS make.log for vboxhost-4.1.14 for kernel 3.2.6 (i686) Sun May 13 14:32:52 CEST 2012 make: Entering directory `/usr/src/linux-headers-3.2.6' /usr/src/linux-headers-3.2.6/arch/x86/Makefile:39: /usr/src/linux-headers-3.2.6/arch/x86/Makefile_32.cpu: No such file or directory make: *** No rule to make target `/usr/src/linux-headers-3.2.6/arch/x86/Makefile_32.cpu'. Stop. make: Leaving directory `/usr/src/linux-headers-3.2.6' /usr/src/linux-headers-3.2.6/arch/x86/ directory: $ ls /usr/src/linux-headers-3.2.6/arch/x86/ Kconfig Makefile ia32 lguest mm pci tools video Kconfig.cpu boot kernel lib net platform um xen Kconfig.debug crypto kvm math-emu oprofile power vdso Makefile references on "cpu" $ cat /usr/src/linux-headers-3.2.6/arch/x86/Makefile | grep cpu include $(srctree)/arch/x86/Makefile_32.cpu # FIXME - should be integrated in Makefile.cpu (Makefile_32.cpu) Before upgrading to 3.X I didn't have this problem, the script would install VB correctly. Any ideas on what might be causing this? Thanks in advance!

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• Multiple User VPN

  - by Aaron

  I am looking for a cheap or free solution to be able to connect multiple people via VPN to a host computer. Each person should not be able to see what the others are doing while logged in. Is this possible and if so where do I start my hunt? Aaron Update: I was not sure what server, was just thinking of doing it on say a win7 desktop. Just looking into having 2-3 users have access to a program without each seeing each other. Basically, I know nothing and want to know if this is a possibility for me. lol

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• Using Zebra LP 2844-Z over the network

  - by Jason Kealey

  Hello, I am looking for a network-based label printer. I am looking at this Zebra LP-2844-Z printer. Unfortunately, it does not come with a network interface like the lower-end LP 2824 Plus. The ZebraNet 10/100 Print Server is both expensive for what it does (~$600) and only seems to support wireless networking, not wired. I prefer wired for reliability. Questions: Can I use a cheaper off-the-shelf print server to turn the LP-2844Z to a network printer. Would I get any trouble communicating with the printer via its own programming language or via OPOS? (instead of the Windows driver) Are cheaper print servers reliable? Would I be better to get another printer model that has it built in directly to avoid having issues due to the print server? What other printer would you recommend?

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• Variable directory names over SCP

  - by nedm

  We have a backup routine that previously ran from one disk to another on the same server, but have recently moved the source data to a remote server and are trying to replicate the job via scp. We need to run the script on the target server, and we've set up key-based scp (no username/password required) between the two servers. Using scp to copy specific files and directories works perfectly: scp -r -p -B [email protected]:/mnt/disk1/bsource/filename.txt /mnt/disk2/btarget/ However, our previous routine iterates through directories on the source disk to determine which files to copy, then runs them individually through gpg encryption. Is there any way to do this only by using scp? Again, this script needs to run from the target server, and the user the job runs under only has scp (no ssh) access to the target system. The old job would look something like this: #Change to source dir cd /mnt/disk1 #Create variable to store # directories named by date YYYYMMDD j="20000101/" #Iterate though directories in the current dir # to get the most recent folder name for i in $(ls -d */); do if [ "$j" \< "$i" ]; then j=${i%/*} fi done #Encrypt individual files from $j to target directory cd ./${j%%}/bsource/ for k in $(ls -p | grep -v /$); do sudo /usr/bin/gpg -e -r "Backup Key" --batch --no-tty -o "/mnt/disk2/btarget/$k.gpg" "$/mnt/disk1/$j/bsource/$k" done Can anyone suggest how to do this via scp from the target system? Thanks in advance.

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• Skip all warning prompts on ACPI shutdown?

  - by N Rahl

  When I issue an ACPI shutdown command to a Windows XP guest machine from the host VM server, I want Windows to shutdown. The problem is, Windows always wants to ask some question or another, rather than just shutting down. I need shutdown to be reliable, no matter what is running or going on, so I can automate shutdowns from the host machine. But I want it to be as graceful as possible, rather than just pulling the plug. Some problems: If a user is logged in, ACPI shutdown causes a box to appear that says, "are you sure you want to shutdown while other users are logged in"? And this prevents shutdown until someone connects to the machine and clicks "yes". In this case, it should try its best to gracefully log out all users, using force if necessary, and then shutdown without promoting. Busy or non-responding programs or programs asking to save data can prevent Windows from shutting down until a user answers a prompt. This should attempt to save data, wait maybe 30 seconds for non-responding programs, but should get aggressive with stubborn programs. "nope, time's up! 3,2,1, Goodbye!" Is there a registry setting that I can change from: ACPI_Shutdown: "Shut down if Windows feels like it" to ACPI_Shutdown: "Just do it. Kill programs, bump users, try to be graceful about it, but when I come back, I expect you to be off." This should respond to the ACPI shutdown command, and not be a script on windows, unless that script is triggered by the ACPI power button. I'm hoping this can be changed with registry options.

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• How to remove all Couchdb versions in Ubuntu 10.04 (server)? ( after multiple installs )

  - by DjangoRocks

  Hi all, I have done multiple installs of CouchDB using sudo aptitude install couchdb sudo ap-get install couchdb and more recently based on the instructions found at L http://wiki.apache.org/couchdb/Installing_on_Ubuntu May I know how do I uninstall or remove all the above installations? Best Regards. +++++++++++++++++++UPDATE++++++++++++++++++++++++ I've tried running the following commands: apt-get remove couchdb apt-get purge couchdb but received the following errors: (Reading database ... 39814 files and directories currently installed.) Removing couchdb ... invoke-rc.d: initscript couchdb, action "stop" failed. dpkg: error processing couchdb (--remove): subprocess installed pre-removal script returned error exit status 1 invoke-rc.d: initscript couchdb, action "start" failed. dpkg: error while cleaning up: subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: couchdb E: Sub-process /usr/bin/dpkg returned an error code (1) May I know how do i fix this? ON issuing the command : dpkg -l | grep couchdb I received the following response: rF couchdb 0.10.0-1ubuntu2 RESTful document oriented database, system D iF couchdb-bin 0.10.0-1ubuntu2 RESTful document oriented database, programs How do i uninstall CouchDB ? I think there's some file corruption?

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• Disable (or switch off) a network interface on windows but keep the "plug and play"

  - by Leandro

  I'm looking for a good workaround to do this on Windows 7 and Windows XP: Disable or make ineffective the network interface (ETH, WIFI, any NIC). If the user connect his ETH cable, the network interface enable again. Important Notes to take care: I'm working with wmic on Win7 (through the command line) I'm working with devcon on WinXP (through the command line) I'm specifically working with the .NET Framework 2.0 on C# but this is just for informational purposes. I know that an event won't help me to detect it (if there is a way or workaround to do this I don't know it). The real problem is that when I disable the NIC, I can't know if the user connects his cable or has a wired network. This is why I am looking for a workaround. I'll treat suggestions as answers if no direct answer exists. I'll provide any extra detail necessary.

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• Adding network share as the system account breaks Win7 backup to network

  - by ChrisBenn

  (On Win7 Ultimate x64 SP1) So I've been using Win7 backup to \192.168.0.100\Backup\main-desktop\ for awhile without issue. Yesterday I tried to setup crashplan to synchronize my dropbox folder and a network share. I then found out that crashplan, as it runs under the system account, can't see my user mapped drives. So I created a startup script net use O: \192.168.0.100\Documents /USER:192.168.0.100\username password and set it to run, on startup, after the network interface is up, as the system account. (the username & password are the same for the net use script above, the locally logged in user, and the explicit username/password entered in windows backup). I woke up this morning to find error flags from the windows backup and get "Network location cannot be used" (0x800704B3). If I disable the startup task & reboot then windows backup works fine. I'm not sure why having a mapped drive for another user is killing windows backup (same server, different folder). I can work around the issue by using another program to synchronize the two folders, but I'm completely in the dark as to why this happens (and it's 100% repeatable). Uninstalling the crashplan client doesn't change anything - it's the net use run under the system account that breaks win7 backup (to a network location).

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• Is there an effective tab manager for Google Chrome?

  - by Mahn

  I've tried a few extensions but I wasn't very satisfied, I'm basically looking for an extension that allows me to group sets of tabs in such a way that I'm able to quickly switch between the groups within the same window. That is to say, if I had 5 Wikipedia tabs and 5 Stack Exchange tabs, ideally I would create 2 groups, hide the tabs of one of them, and switch between the Wikipedia and Stack Exchange tabs back and forth as I need without leaving the same window (note that I'm not specifically looking for grouping by site, that was just a simplified example) Does an extension like this exist? PS: No, I don't actually have 5 Wikipedia tabs open while browsing Stack Exchange sites :-)

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• Solaris SMF to Upstart on RHEL6

  - by aaa90210

  I am planning a migration from Solaris/x86 to RHEL6. Part of this migration will be migrating services from SMF to the RHEL6 equivalent, which appears to be upstart. While init.d scripts still seem to be supported, I want to take advantage of a more sophisticated init daemon, especially for features like job supervision (restarting etc). I would like to gather some thoughts on a few points: 1) Is upstart an adequate job supervisor, i.e. does it preclude the need for stand-alone managers like daemontools/supervise? 2) Upstart scripts seem very bare-bones compared to a typical init.d script. If I was porting an init.d script to Upstart, is it OK to just "exec /etc/init.d/myjob start"? This include RHEL installed programs like httpd. 3) Does upstart do anything is regards to pid files, and what are it's expectations in regards to the forking model of the process? 4) Are there any straightforward guides to the process management aspect of Upstart...and by that I mean the conditions around controlling restarting? e.g. how many times to restart the process before it goes into a maintenance state, or to ignore errors/core dumps in child processes of the supervised process. Any other relevant ideas or guides would be appreciated. TIA

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• OpenVPN: ERROR: could not read Auth username from stdin

  - by user56231

  I managed to setup openvpn but now I want to integrate a user/pass authentication method so, even though I haven't added the auth-nocache in the server config, whenever I try to connect it returns with the following message on the client side: ERROR: could not read Auth username from stdin My server.conf file contains basic stuff, everything works up untill I try to implement this for of authentication. mode server dev tun proto tcp port 1194 keepalive 10 120 plugin /usr/lib/openvpn/openvpn-auth-pam.so login client-cert-not-required username-as-common-name auth-user-pass-verify /etc/openvpn/auth.pl via-env ca /etc/openvpn/easy-rsa/2.0/keys/ca.crt cert /etc/openvpn/easy-rsa/2.0/keys/server.crt key /etc/openvpn/easy-rsa/2.0/keys/server.key dh /etc/openvpn/easy-rsa/2.0/keys/dh1024.pem user nobody group nogroup server 10.8.0.0 255.255.255.0 persist-key persist-tun #persist-local-ip status openvpn-status.log verb 3 client-to-client push "redirect-gateway def1" push "dhcp-option DNS 10.8.0.1" log-append /var/log/openvpn comp-lzo I searched all over the net for a solution and all answers seems to be related to the auth-nocache param which I haven't set. The directive auth-user-pass-verify /etc/openvpn/auth.pl via-env points to a script which is executed to perform the authentication. A false authentication should result in a exit 1 while a true one should result with exit 0. For testing, that script auth.pl returns exit 0 no matter what the input is but it seems that the file is not executed before the error raises. auth.pl file contents: #!/usr/bin/perl my $user = $ENV{username}; my $passwd = $ENV{password}; printf("$user : $passwd\n"); exit 0; Any ideas?

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