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• Creating Arrows Easily for Images

  - by Nitrodist

  I'm looking for a plugin or something along those lines for creating arrows for an image I'm working on. Basically it's just a screenshot of some software, but I want to annotate it and have arrows on it pointing to the various components. It should look something like this or even something simpler. The problem is that there doesn't seem to be an easy, free way of creating good arrows for any of the screenshots, short of importing actual images of arrows! I prefer to use: GIMP Paint.NET Other free software (beer or freedom, whichever) What are my alternatives? I really want to stay away from Photoshop on this. Thanks.

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• How to draw diagrams in Open Office?

  - by Amokrane

  Hi, I would like to draw diagrams using Open Office but I didn't find any installed by default. What I am exactly looking for are diagrams that look like the ones that come with MS Office 2007/2010 (like Pyramid diagrams, Star diagrams etc.). Any idea? A plugin to install? Otherwise are there any online services that can do it? (I have tested Cacoo and gliffy but they don't really offer the diagrams that I am looking for). Thanks!

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• Real-Time chat translation on mac using either Skype, Adium or iChat

  - by Cawas

  If you're looking for MSN and / or Windows, just go here. I'm looking for Real-Time chat translation tools for Mac, and preferably using Adium, but it could be for Skype, iChat or maybe another option if it's really good. So far I could only easily find a plugin for Adium, simply called translator, that uses google, dicts and babelfish, but you have to type commands in and paste the words or sentences, and it's currently not even working on Snow Leopard. Even if it did, it's still not quite as automatic as we'd expect (or see in other platforms as indicated). So I'm just citing it as an example of a bad solution.

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• Meta refresh tag not working in (my) firefox?

  - by mplungjan

  Code like on this page does not work in (my) Firefox 3.6 and also not in Fx4 (WinXPsp3) Works in IE8, Safari 5, Opera 11, Mozilla 1.7, Chrome 9 <meta http-equiv=refresh content="12; URL=meta2.htm"> <meta http-equiv="refresh" content="1; URL=http://fully_qualified_url.com/page2.html"> are completely ignored Not that I use such back-button killing things, but a LOT of sites do, possibly including my linux apache it seems when it wants to show a 503 error page... If I firebug or look at generated content, I do not see the refresh tag changed in any way so I am really curious what kind of plugin/addon could block me which is why I googled (in vain) for a known bug... In about:config I have accessibility.blockautorefresh; false so that is not it. I ran in safe mode and OH MY GOD, STACKEXCHANGE IS FULL OF ADS but no redirect

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• Postfix Vacation.pl with local users

  - by Simiyu

  Hi, I am trying to setup the vacation.pl script on a mail servers which has local users only (since they are only 10 users). I have installed the SquirrelMail plugin and the Auto respond option is available for the users, but when an email is sent to the addresses no auto reply email is sent to the sender. There are also no logs on the /var/log/vacation folder which i created as well as the normal log files. Most of the examples online refer to virtual users, can it work with local users? and if so how? regards, Arthur

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• How to let users change linux password from web browser?

  - by wag2639

  I'm not sure if this is a stackoverflow question or serverfault but here goes: I have an Ubuntu 10.04 file server (Samba/FTP/HTTP) and I would like to have the ability to give users the ability to change their password to the server using their web browser. I've written a similar script before using PHP and a mess of exec but I believe that isn't secure because it can be listened to by someone looking at the list of processes on the server. Is there some kind of plugin (PHP or Python or other) that can do this easily? I rather not use something like webmin as it's overkill for this.

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• Install Eclipse / StatET on Debian server for all users.

  - by Joris Meys

  I've manually downloaded, unpacked and installed the latest Eclipse (3.6.1) on a debian server (2.6.26-2-amd64). Eclipse can now be run by all users in our group, but when I tried to install the StatET plugin, I quickly found out that this one was only visible and useable for me. I have a sudo password on my account and a root password. I wondered if sudo eclipse was all I needed to do, but as I'm very new to the whole sysadmin thing (our old one is on "prolonged leave" and currently working in Spain) I rather check before blowing up the server. Any help on how to configure Eclipse for all users simultaneously is very much appreciated.

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• Second monitor not detected

  - by Gabriel

  Hi I have two VGA monitors, my GPU is ATI PowerColor 6850 which has two DVI slots, I use adapters for both VGA monitors. If I connect any the two monitors in the first slot it will work right away (along the plugin confirmation sound). And if I connect any of both monitors to the second slot I won't get anything, nor a signal or confirmation sound. I also tried auto detecting via Catalyst Control Center and Windows Desktop Resolution. I have the latest drivers installed. EDIT: I found this on the Spec Description: Display Connectors DL-DVI-I/SL-DVI-D And in NewEgg: 2 x DVI (1 Single Link, 1 Dual Link) Could this have anything to do with my issue?

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• Extracting streaming video from swf

  - by user1018733

  I am trying to speed up this video by 1.25x to 1.5x, udacity style. I tried grabbing the http://smart.if.uidaho.edu/courses/f2012/cs512/ using the Download Flash & Video Firefox plugin, but it only grabbed the swf player that streams the video. Is there any other way to download this video? (as well as future videos). As a final solution, I can use video capture software while I'm not using the computer, but I don't want that hassle and time delay if possible.

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• Keyboard Shortcuts for Google.com

  - by Dean

  I can ALT+TAB to Chrome, then CTRL+T to a new tab, then type my request and hit ENTER, but then when I want to look into the first search result I need to take my hand off the keyboard to click it?? Surely someone can recommend a plugin which enables me to just press 1 to go to the first search result, 2 for the second, etc. Or something like that? EDIT: This Greasemonkey script offers precisely what I want, and appears to install perfectly well on Chrome - but doesn't work at all :( Also, I'm using Google Chrome 4.0.249.43 on 64 bit Ubuntu 9.10.

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• Team City Backup from Rest API doesn't backup

  - by ChrisFletcher

  I'm using the REST API in Team City 6.5 to request a backup is created as follows: http://teamcity:8111/httpAuth/app/rest/server/backup?includeConfigs=true&includeDatabase=true&includeBuildLogs=true&fileName=filename as specified in the documentation here: http://confluence.jetbrains.net/display/TW/REST+API+Plugin#RESTAPIPlugin-DataBackup The problem is that it simply returns "idle", as does the backup status call and no backup appears. I can backup fine from the web interface and I can return a list of users from the REST API without issue also. I'm starting to suspect there is some sort of permission or config option but I can't find one.

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• Facing gestures in Linux mint Chrome Browser

  - by aravind.udayashankara

  I am using Linux mint OS since an Year , I use to consistently download updates and install , I use chrome as a default browser , when ever I open youtube and watch some video , I listen to some gestures in sound ( say repeated lyrics of song ) while it is playing , In firefox it is working fine . What is the problem am I missing any plugin , AFAIK Chrome doesn't need a flash player plug in , It has a built in flash player . IS that the problem ? And also previously I was not facing this , recently I started using Cinimon UI centOS after this all these kind of problems started MY hard ware is 64 bit intel core i3 and also I have installed linux mint 64 bit Please let me know what is the problem and how to fix this . Thanks in advance for responding to this post

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• LAN cable not connected, but it is

  - by Koen

  I have a Windows XP SP2 desktop PC. It connects to the internet with a LAN cable (there's a wireless router for my laptop in between). The problem should be software because: when i tried connecting the same LAN cable to my laptop it works when i plugin the LAN cable (onboard) the green light is on and the orange light flickers when i tried the other cable (that feeds the wireless router) i have the same problem it worked a few days ago, nothing specific changed I tried removing the ethernet card from the device manager, and windows automatically reinstalled it. What could cause this? What can I try?

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• High load on a nagios server -- How many service checks for a nagios server is too many?

  - by Josh

  I have a nagios server running Ubuntu with a 2.0 GHz Intel Processor, a RAID10 array, and 400 MB of RAM. It monitors a total of 42 services across 8 hosts, most of which are checked using the check_http plugin even 5 minutes, some every minute. Recently the load on the nagios server has been above 4, often as high as 6. The server also runs cacti, gathering statistics every minute for 6 hosts. I wonder, how many services should hardware like this be able to handle? Is the load so high because I am pushing the limits of the hardware, or should this hardware be able to handle 42 service checks plus cacti? If the hardware is inadequate, should I look to add more RAM, more cores, or faster cores? What hardware / service checks are others running?

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• Context Menu for Browser to download file to specific folder

  - by elcojon

  There is this website which has customized audio files for me. I would like to save them in a special folder. Now I don't want to select the "special folder" each time in the file-chooser dialogue of my browser. I would rather prefer to have a custom entry in the context menu when I right-click the download link. This context-menu-entry should do the trick and download the file to the predefined "special folder". How would I start about that? I am using Safari and Chrome. So a solution in either browser is fine. To get into the context menu of the browser, what kind of programming do I need to do? Is it an extension, plugin, etc.? Thanks

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• How to route packets from Wi-Fi to Ethernet on OSX?

  - by Alexander Artemenko

  I have a trouble, configuring a home network. Here is how my devices are connected together: Internet     ? Wi-Fi Router ? MacBook     ? iMac ?ethernet cable? Synology NAS I have no ability to plugin NAS right into the Wi-Fi router. The problem is that MacBook does not see NAS, because they are in different networks — I configured Wi-Fi Router to serve 192.168.10.0/24 addresses, and configured iMac's ethernet connection to use 192.168.20/24 network. Is there a way to setup route from MacBook to the NAS?

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• How can I update Firefox add-ons automatically?

  - by Maelstrom

  Similar to this question, is it possible to update installed plugins via the command line? I'm running YSlow with beacon reporting as a nightly cron job under OSX: /Applications/Firefox.app/Contents/MacOS/firefox-bin -no-remote -P YSlow http://www.example.com/ & PID=$! sleep 300 kill $PID This dumps FF into the background and grabs the PID, waits 300 seconds (for the page to load) then kills it. If there is an update pending, the browser "hangs" waiting for a confirmation. If I do click on the "install updates" link, everything works and then Firefox launches a new process - the $! returned by the shell is no longer valid. Can I update a plugin from the command line without confirmation? Can I curl the XPI into a file and install it without confirmation?

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• Looking for temporal upsampling / motion interpolation software

  - by timday

  I'm looking for something (prereably FOSS software) which can take an animation with N images as input, and which will output an animation with M frames, where M is in the range 2N to 5N or so. I believe the general technique is called "temporal upsampling" or possibly "inbetweening" (or "'tweening" for short). Note that it does need to make some effort to do motion tracking of things in the scene ("optical flow"); just fading ("dissolve") between keyframes isn't going to cut it. Googling "temporal upsampling" turns up any number of papers on the subject, but I've yet to discover any code/software (a gstreamer plugin would be perfect) I can just use to try the technique out. Any suggestions ? Additional information: "Motion interpolation" seems to be the more widely used name in the TV world for what I'm looking for. See this and the video here too. Interestingly, some cinephiles seem to hate what these technologies do to 24FPS film: e.g a comment "makes Gone With The Wind look like a soap opera shot on video".

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• IE10 does not open .pdf

  - by user203298

  I can't open any PDFs in IE10 on Win7 64bit. I've tested with PDFs from Intranet / Internet / local file system, http and https. I've tested installing/uninstalling Acrobat Reader 11.0.03 and the Nitro PDF Reader. I've also tried enabling/disabling the Tools Internet Options Advanced Security Do not save encrypted pages to disk option. In Google Chrome PDFs are opened in the Acrobat Reader Plugin, but in IE10 the only thing I always get is a small cross in the top left corner of the browser. Can anybody help me?

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• How much power supply do I need for my server, and could a shortage be causing my odd crashing?

  - by dolan

  I have 5 servers, all with similar hardware (i7, four 2tb 7200rpm drives, two 4tb 5400rpm drives, 430 watt power supply), and lately the machines have been freezing up. This has gotten worse in the last day or so, and I can't pinpoint any explanation. One recent change was adding the two 4tb hard drives. The crashes happen most often while running a large Hadoop job, so I was originally thinking the load was causing some issues, but last night one server just froze without any heavy load on the box (or so I think), other than HDFS (Hadoop's distributed file system) was probably rebalancing itself since two of the five nodes were offline. If I plugin a monitor and keyboard to one of these frozen machines, I can't get any response or feedback on the screen. Any ideas on possible points of failure and/or different logs I can look at to investigate? Thanks Edit: The systems are running Ubuntu 10.04 Edit 2: More on hardware: intel core i7-930 bloomfield 2.8ghz processor (quad core) 12gb (6 x 2gb) kingston ddr3 1333 ram antec earthwatts green 430 power supply msi x58m lga 1366 motherboard

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• Server monitoring for medium scale UNIX network

  - by nbartolomeo

  I'm looking for suggestions for a good monitoring tools, or tools, to handle a mixed Linux (RedHat 4-5) and HPUX environment. Currently we are using Hobbit which is working reasonably well but it is becoming harder to keep track of what alerts are sent out for what servers. Features I'd like to see: Easy configuration of servers. The ability to monitor CPU, network, memory, and specific processes I've looked into Nagios but from what I have seen it won't be easy to set up the configuration for all of our servers ~200 and that without installing a plugin into each agent I won't be able to monitor processes.

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• puppet agent doesn't retrieve files from master

  - by nicmon

  I have a very basic question regarding to Puppet 3.0.1 configuration. I setup a puppet master server (CentOS) with 2 agents (CentOS and Windows 7), all 3 can ping and access each other. There is no error at all. I have copied a file under /etc/puppet/files/test2.txt my site.pp (/etc/puppet/manifests) contains these lines: node default { include test file { "/tmp/testmaster.txt": owner => root, group => root, mode => 644, source => "puppet:///files/test2.txt" } } but there will no file be created on agent servers under /tmp/ once I run "puppet agent --test" here is the output: [root@agent1 ~]# puppet agent --test Info: Retrieving plugin Info: Caching catalog for agent1.mydomain.com Info: Applying configuration version '1354267916' Finished catalog run in 0.02 seconds "puppet apply /etc/puppet/manifests/site.pp" creates the testmaster.txt under /tmp/ on master.

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• Amazon EC2: how to find out detailed CPU usage?

  - by j0nes

  I am running several EC2 instances, and I want to know the exact work my CPU is doing. On "normal" machines I am doing this with munin and its CPU plugin which looks at the statistics provided by /proc/stat. On my EC2 machines however, I get incorrect graphs. The machine has two cores, so the max CPU usage should be 200% - however it gets as high as 400%: I know that I should use Amazon CloudWatch to see the total CPU usage (and this is the official and recommended from Amazon way to do this), but I am specifically looking on how the CPU usage is spend (e.g. system, user, iowait). Is there a way to get detailed CPU usage statistics on EC2 instances?

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• Ubuntu 10.04 problems - GVIM and Sound

  - by Skun

  Hey Guys ! Well, i have 2 problems .. not exactly problems, but one is a question, and the other is a problem . QUESTION I have installed gVim on my laptop and now i want to install plugins and customize my vimrc . Where is the 'plugin' , 'color' , 'docs' directory located in order for me to drop those files in ? And where do i need to put the .vimrc file for gVim to be able to recogonize it ? PROBLEM Sound isn't working. I dont know whats the problem @ all. It just doesnt play . And NO its not on mute. i Checked. If any other input is required from the terminal , please ask for it. I'm kinda a n00b in all this. Please help. Thanks in advance

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• Why am I getting 'undefined method' exceptions when executing 'run_list add', 'run_list remove' and 'rackspace server delete'?

  - by Peter Groves

  [Originally posted this to opscode forum, got no response] I’m testing out a free hosted chef-server account and multiple subcommands are failing with ‘Unexpected Errors’. Perhaps my version and the server version are incompatible? OS: Ubuntu 12.04LTS Local Chef: 10.12.0 (Installed through gem) Local Ruby: 1.8.7 Also, the workstation machine has been manually configured, but the client(s) I’ve been experimenting with are launched with the Rackspace plugin (using ‘knife rackspace server create…’) The problem commands seem to fail when talking to the host chef-server, however, before it ever tries to modify the client, so I don’t believe that’s where the problem exists. The virtual-servers that are launched by ‘knife rackspace server create’ are launched properly but then deleting them with knife fails. If I include a recipe in the run_list when I create the server, the recipe is properly added to the run_list. If I try to add it later or remove the one that there server was initialized with, those commands fail. Here is the output of a few relevant commands (with stacktraces): https://gist.github.com/7100ada3fd6690113697

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