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• Encoding video stream for playback on a vanilla Windows XP with mencoder

  - by Tamás

  I have a bunch of PNG files, generated from a script. They represent consecutive frames of a video sequence and I'd like to encode them into a single AVI file (or some other video format) using mencoder. What parameters should I use to ensure that the video can be viewed on a vanilla Windows XP using Windows Media Player with no extra codecs installed apart from the default ones? So far I've tried -ovc lavc -lavcopts vcodec=wmv2 and -ovc lavc -lavcopts vcodec=msmpeg4 with no success. (Background story: some of the people I'm collaborating with on a scientific project cannot install any codecs on their university computers without the help of the local sysadmins, who are of course not very willing to install anything. I'd like to ensure that they can also view the video files I am creating).

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• Video issues with old server running Boxee

  - by Skaughty

  I have a old Dell Power Edge 1650 1U rackmount server running Windows XP. Dual 1.3 ghz Processors and 1 GB of RAM. I would like to run Boxee on it, but the 8mb integrated video card will not support it. The font within Boxee just comes up as blocks of color. I have a PCI Radion R9000 dual out video card. However when I plug it in I can not get video signal on any of the VGA outs. Is it possible to upgrade the video card on this old of a server, or is it possible to make it work with the older integrated video?

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• Web connection speed issue

  - by Iroll750

  I encounter a strange issue with my web (wireless) connection on my laptop (Ubuntu 11.10) I'm able to have 540kbps (down) on all computers in my house (including laptop at the same distance from the box) except me. When i do a speed connection test, i can have this optimal speed immediately after booting. As i surf on the net, watching videos, download things, etc... it becomes slower progressively until 100-110 kbps and the speed remain the same until i reboot. I tried to figure out if a process consume bandwith in background with nethogs but i found nothing suspicious. Any ideas ? Thanks in advance for your help !!

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• trap "" HUP v.s Nohup ? How can I run a portion of shell script in nohub mode?

  - by Alex

  I want to run a shell script over the weekend, but I wanna make sure if the terminal loses the connection, my script won't be terminated. I use nohup for the whole script invokation, but I also want to execute some portion of my shell script in a way that if someone closes my terminal, my script runs on the background still. Here is a simple example : #!/bin/bash echo "Start the trap" trap " " HUP echo "Sleeping for 60 Seconds" sleep 60 echo "I just woke up!" Please suggest what I should do ? The trap " " HUP seems like not working when I close my terminal tab.

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• Multi-Page PDF Banner/Poster from PDF

  - by Tim Lytle

  I'm looking for a utility that will take one large sized PDF, and split it into smaller PDFs for banner/poster printing. Looking for a linux or multi-platform solution. More Background My goal is to take an Inkscape document and generate a PDF, then print it on a printer that doesn't do banner/poster printing automatically - so if there's a better solution, I'd be happy to hear that as well. I've found exporting as a PNG both takes a while, and sometimes blends are not preserved. Printing as PDF (Ubuntu print-to-file) seems to work well. I've found utilities that can take large images formats and generate multipage PDFs, but not PDF to PDF.

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• Prevent registry changes by users

  - by graf_ignotiev

  Background: I run a small computer lab of 10 computers using Windows 7 x64 Enterprise. Our users are set up as limited users. For additional restrictions, I set up local group policy for non-administrators using the microsoft management console. Problem: Recently, I found out that some of these restrictions had been removed. Reviewing the settings MMC and in ntuser.pol showed that the settings should still be in place. However, the related registry settings were missing in ntuser.dat. I already have registry editing disabled in the GPO (though not in silent mode). Question: What is the best way to deal with this situation? Should I look into preventing registry setting changes? Should I set up registry auditing to found out how these keys are getting changed in the first place? Or should I give up the ghost and write some kind of logon script that enforces registry values if they've been change? Any other ideas?

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• How to set up Windows server 2008 to receive email?

  - by Saul

  First off apologies, I'm from a medical background not a networking one, but I've got roped into setting up a windows 2008 server. So far web server running, fixed IP address assigned (within a large private network of the National Health Service in the UK if that makes any difference) and the network team have assigned a DNS entry for me which works, so the server can be addressed as nww.myserver.nhs.uk I've only got ports open on the router for 80 and 443 (http and https) at the moment, so presume I need a different port to enable email services. My need is to be able to accept an email to the domain name like [email protected] in order to pick up a confirmation mail from an SSL issuer (Comodo) I guess to confirm that I control the domain. After that I don't actually need mail services on the server. I see lots of stuff about setting up SMTP services but thought that was about mail out and re-routing, but how do you get the server to "listen" for mail to the domain (assuming I open port xyz or whatever it is) ?

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• PNG files are not being displayed in IE and Vista's Sidebar

  - by Wbdvlpr

  Hi, I am using Windows Vista. I was just visiting a website and found some "missing" images boxes on webpages. And, I could see this for many of the websites I visited. Then I realised that only a certain type of image files are not being displayed, which is PNG. I restarted my computer and noticed that 2 of the sidebar gadgets were missing background images. The websites with "missing" images are working fine in Firefox though. So its a problem related to IE and some of the Windows files. Any ideas how do I get PNGs working in my IE and Sidebar etc. Thanks.

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• Computer Flashes Out?

  - by GuyNoir

  We have a strange problem with our computers at my school. They are all Latitude 2100 Netbooks. At random points (I can't seem to find a pattern) the screen will turn a single color (red, green, black, brown, etc.) To fix this, the computer must be put to sleep, and brought back up. They have integrated graphics, but I can't imagine that if it was a bug with the computer itself, that every single computer would do this. Is there any way I could find out the problem that's causing this. Some diagnostic tool? Thanks. Edit: Forgot, they all have windows.

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• Building new GIS Workstation - is it worth upgrading to a workstation GPU?

  - by bsigrist

  We are currently building a machine from scratch to act as a GIS workstation. The primary software used is ESRI's ArcGIS and we are mainly working with vector data using raster data only for contextual background imagery. In the past I have built a GIS machine and used a consumer grade gaming GPU (Nvidia 9800GT) and found it to perform fine. However, I have always wondered if I would have been better off equipping it with a workstation GPU such as a Quadro series. Would a workstation GPU make a noticeable difference doing 2D GIS operations or should I save money on the build and equip it with another 9800GT?

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• Create and use intermediate certificate authority on Windows Server 2012?

  - by Sid

  Background: Server OS is Windows Server 2012. GUI is installed as we come upto speed with powershell. Setup is staging, not production (yet). We have our (internal, domain limited) Root CA installed. I would like to take the Root CA offline to secure storage but before that I'd like to setup an intermediate CA which can take over actual live, online (int-RA-net) functionality Can someone guide me covering: creating the intermediate CA certificate request installing the intermediate CA certificate on domain controller (certification authority role already installed with Root CA online right now) use the intermediate CA to generate a certificate (any use certificate, just for demonstration purposes) Obviously this certification chain would be invalid on computers outside our domain (self trusted root - our root certificate is NOT from common 3rd parties). This last point is NOT a problem.

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• Stripping Non-Text from a Scanned, OCRd PDF

  - by Daniel S.

  I have a PDF created from a scanned document. OCR was used to recognize text. In Acrobat, if I select text, and click 'copy with formatting', I can paste the formatted text into Word, so it seems that fonts and colors are also embedded in the document in addition to just plain text and possibly the size. Is there any way to use this information to create a PDF that just contains the formatted OCRd text, without the scanned image. Currently, my document only shows the scanned image, and the text is on an invisible layer. I would like to create a PDF document that removes the image that was scanned, and displays the formatted text that is currently hidden. The following post has a section on "How can we make the invisible text visible?" PDF has an extra blank in all words after running through Ghostscript However, doing this does not show the correct text formatting (that is retained when pasting in Word), and I also would like to remove the scanned image so that the final PDF just contains formatted (color, font, size) vector fonts, and no images.

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• Can VMWare Workstation 7.x and Sun VirtualBox 3.1.x co-exist on the same Windows 7 64bit Host togeth

  - by Heston T. Holtmann

  Will installing Sun Virtual Box bash or interfere with my VMWare installtion? I don't need to run VMs from both Virtual-Machine software packages at the same time but I do need to run some older Virtual-Machines from Sun-Virtualbox on the same 64-bit Windows 7 host until I can migrate those VMs to VMWare. Before switching from Linux host to Windows host, I ensured to export the VirtualBox VM to an OVF "appliance" with intentions of importing into VMWare Workstation 7. But VMWare gives me an error stating it can't import it. Background info My old workstation host: 32-bit Ubuntu 9.04 running Sun Virtual Box 3.x hosting Windows-XP VM Guest for Windows Software app development (VS2008, etc) Needs I need to get my original Sun-VBox Windows-XP Guest running on my new Windows 7 Workstation either imported into VMWare or running on the Windows version of Sun-Virtual box (I have the VM-Guest Backed up and copied to the new computer data drive. New workstation host: 64bit Windows 7 running VMWare Workstation 7 to host 32bit Ubuntu 9.10 for linux project work.

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• How to get osx terminal.app and screen/vim scrolling to play nice?

  - by rustychains

  OSX 10.6.3 terminal.app Am a pretty dedicated screen user. Terminal.app line buffer and/or scroll does not seem to work for me. That is while in screen anything that goes past the top of the frame is gone, can't scroll back to. This seems to work ok in other terminal apps gnome, cygwin. Perhaps this is a shell env, config, or command? .screenrc: startup_message off autodetach on shell -$SHELL vbell off defutf8 on caption always caption string "%{= wk}%w" I have tried using defscrollback here with different values, but doesn't have an effect. some .bashrc settings: set -o physical export TERM=xterm-color shopt -s checkwinsize

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• Do 10m external SAS cables work?

  - by Joachim Sauer

  According to the Wikipedia page external SAS cables are specified for up to 10m length. However, I found it pretty hard to actually find places that sell cables of that length. This made me wonder: Are there any known problems with using cables that are as long as this? Will it be more fragile? Slower? And if 10m is not suggested, would 6m be any more stable? A little background: for several reasons we'd like to put a tape library physically separate from our main server and 10m would be enough to put it on a separate floor.

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• Full Backup & Restore for Windows Vista

  - by Thomas Matthews

  I'm looking for a freeware or low cost application that will backup everything, including registry on Windows Vista Home Premium and to restore from a CDROM disk. The destination is an external hard drive on USB 2.0. Searching on SuperUser and Stack Overflow show articles, but don't mention full backup of the registry and complete restore using CDROM. I would also like to have compressed output and incremental backups. One article mentions CloneZilla, but their web page says that the incremental feature is not supported. I am using Windows Vista Home Premium, Service Pack 1. I need to backup 200 GB onto a 230 GB drive and would like to have multiple backups (thus the need for compression). Other requirements: Single file restore Quality is more important than performance. Application must run on Windows Vista. Extra: Run as daemon or background task on 4 user system. Thanks

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• Why does Task Scheduler NOT re-run successfully completed tasks

  - by Teo

  I am using Task Scheduler on Windows 2008 x64. I have 3 tasks, running every night on different times without overlapping. It works for some days - usually 2-3 up to 10 (it's really random), then it stops running the tasks. When I look at the history, I see that the tasks completed successfully. In the UI, the column "Next Run Time" stays empty. The tasks are set to run on background; the account for running them is a domain one - it is valid and enabled. When I check with Process Explorer, there are no left-over processes associated with my tasks. I am completely baffled at what's going on.

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• VNC application/terminal server

  - by sebastian nielsen

  Which software should I use, if I want to set up a linux VNC terminal server that works in this way: The VNC server should be able to accept up to X simultanous connections on the same port 5900. The VNC server should use 640x480 on 8 or 16bit color. When the VNC server receives the connection, it should start a new "session" for a user, and auto-launch a specific linux application for that user. If the application is killed, crashes, or is exited in any way, user should be disconnected (kicked) from server. If the user disconnect, the application should be killed in a "graceful way", that allows the application to cleanup. (There should be no way to "pick up" a old session) Any ideas?

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• BITS http download job fails to connect for owner Local SYSTEM account

  - by MikeT

  A service I have written that uses BITS (Background Intelligent Transfer Service) to auto update itself is having a problem on some machines (Windows 7 so far). I have been investigating and have discovered that some of the jobs that my service adds to the bits queue are failing immediately with the error code 0x80072efd (a connection with this server could not be established). The is not problem with connecting to the server for the download as it works fine on the same machine using IE (or any other web browser) and other clients can connect and update from the same server. I tried using the BITSADMIN.exe tool to add the jobs manually and they worked ok. I then changed the account my service was running under to the network service account so the bits jobs would be created with a different owner and the jobs completed successfully. My question is I don't want to run my service as this account as it wont have the required local permissions, so how to I change the permissions of the local system user to allow it to download from the HTTP source, I'm not aware of any way of this being restricted for this account but it obviously is.

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• Indentation-based Folding for TextMate

  - by Craig Walker

  SASS and HAML have indentation-based syntax, much like Python. Blocks of related code have the same number of spaces at the start of a line. Here's some example code: #drawer height: 100% color: #c2c7c4 font: size: 10px .slider overflow: hidden height: 100% .edge background: url('/images/foo') repeat-y .tab margin-top = !drawer_top width: 56px height: 161px display: block I'm using phuibonhoa's SASS bundle, and I'd like to enhance it so that the various sections can fold. For instance, I'd like to fold everything under #drawer, everything under .slider, everything under .edge, etc. The bundle currently includes the following folding code: foldingStartMarker = '/\*|^#|^\*|^\b|^\.'; foldingStopMarker = '\*/|^\s*$'; How can I enhance this to fold similarly-indented blocks?

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• Are you aware of any client-side malware that sends lots of junk requests for .gifs?

  - by Matt Sherman

  I am getting dozens of 404 errors on my site that are requests for gif's with apparently random names, like 4273uaqa.gif and 5pwowlag.gif. I see that most of them are coming from one user. I assume something is happening in the background on her machine without her knowledge. I assume it's a malware thing on the client. Has anyone seen this behavior before? Would love to advise my customer that s/he has an issue. I'd also like to stop getting these 404 reports. :)

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• CentOS send mail with external SMTP server and without local daemons

  - by Vilx-

  I've got a little old server with CentOS 6.5 on it. The hardware is old and crappy, but enough for what it has to do. Which consists of SSH (+SFTP), Apache, PHP and MySQL. Still, I'm trying to cut away all that I can. One thing that it does not need to do is to be an SMTP server. There are no mailboxes on it and nobody will ever route mail through it. However I do want it to send me an email when something goes wrong. Also, the webpages will send emails from PHP. So that brings me to the question - can I set up the mail system in such a way that there isn't an expensive mailer daemon sitting in the background with queues and whatnotelse, but rather every email is directly and immediately delivered to an external SMTP server? And how do I go about it?

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• How to move selection in Excel?

  - by John van der Laan

  I know how to create or extend selections, i.e., via F8 or Shift F8. When I have created the desired selection, I would like to move that particular selection a few cells to the right and/or down. I now need to select the similar form selection on another place in the worksheet. Does anyone know how I can do this? Example: Selection made on A1..B3, C3 and D5 and, for instance, made it Yellow. I now want to move this complete selection four places to the right, to E1..F3, H3 and I5 (to be able to make it another color). It has nothing to do with the cut and paste to move cells.

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• Outlook 2010: How do I mark one recurring event public?

  - by goober

  My office utilizes Outlook 2010 and Exchange for e-mail, and our calendars show free/busy information by default. Background I work from home once a week, so I have created an event that lists me as tentative for the entire workday, titled "Working from Home - Available Remotely". However, those attempting to schedule a meeting with me won't see this title, and therefore won't think they can schedule an event. As much as I'd like to get out meetings (!) it's important that folks be able to schedule with me. Question Is there a way to make the title/details public for this one recurring event so that when others attempt to schedule a meeting with me, Attempted Solutions I've tried creating a public calendar and sharing all the details of that calendar. However, all of my calendars are not included when someone wants to schedule with me, and so I'm shown as free unless someone specifically looks at my public calendar. I've Googled around, to no avail.

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• Can I make ssh tell me which control file it would use for multiplexing?

  - by Ryan Thompson

  I am using the following options in my ~/.ssh/config in order to enable connection multiplexing: ControlMaster auto ControlPath ~/.ssh/control/master-%r@%h:%p However, this has the annoying problem that the first shell to connect to a particular server must be the last to disconnect, because it is the master connection that all the other connections are using. So if you log out of the master, it appears to just hang. To solve this, I would like to wrap ssh with a script that checks if the control master file exists, and if not, starts a master ssh process in the background. Then it would start a slave ssh session. In order to accomplish this, my script would have to determine the path to the control file that ssh would use. This would entail parsing the ssh command line options and config files and implementing the logic for determining the ControlPath. Is there any way to just ask ssh what path it would use, so I can check it?

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