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• Lowest-bandwith remote desktop?

  - by user13743

  My boss was using GoToMyPC over aircard to access his computer. It seemed to be too slow for it to be usable. The Aircard offered 188 Kbps. Is there a remote desktop with lower bandwidth requirements that would be usable with this service?

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• Amazon EC2 Ami recommendations for free tier?

  - by Console

  Amazon web services recently introduced a free tier, where you basically get free stuff to try out AWS and run tiny sites and projects. Basically it's free as long as you remain below a certain limit of bandwidth, disk storage etc. Since going over the limits can quickly become quite expensive (for a hobbyist) I would like some recommendations or suggestions about which AMI's I can run on the free tier, for the purpose of trying out Ruby on Rails and/or Django.

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• Factors affecting network latency

  - by cornjuliox

  I frequently play games like Urban Terror and True Combat Elite, and I was wondering what factors come into play when calculating response time? Is it simply the distance between you and the server? Or does bandwidth fit in here somehow?

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• CSS and JS files not being updated, supposedly because of Nginx Caching

  - by Alberto Elias

  I have my web app working with AppCache and I would like that when I modify my html/css/js files, and then update my Cache Manifest, that when the user accesses my web app, they will have an updated version of those files. If I change an HTML file, it works perfectly, but when I change CSS and JS files, the old version is still being used. I've been checking everything out and I think it's related to my nginx configuration. I have a cache.conf file that contains the following: gzip on; gzip_types text/css application/x-javascript text/x-component text/richtext image/svg+xml text/plain text/xsd text/xsl text/xml image/x-icon; location ~ \.(css|js|htc)$ { expires 31536000s; add_header Pragma "public"; add_header Cache-Control "max-age=31536000, public, must-revalidate, proxy-revalidate"; } location ~ \.(html|htm|rtf|rtx|svg|svgz|txt|xsd|xsl|xml)$ { expires 3600s; add_header Pragma "public"; add_header Cache-Control "max-age=3600, public, must-revalidate, proxy-revalidate"; } And in default.conf I have my locations. I would like to have this caching working on all locations except one, how could I configure this? I've tried the following and it isn't working: location /dir1/dir2/ { root /var/www/dir1; add_header Pragma "no-cache"; add_header Cache-Control "private"; expires off; } Thanks

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• How many copies of files are needed by video server?

  - by Trilok

  A quick question. How many copies of the same movie are kept in a video server (a video streaming server)? Suppose a particular video is at max requested by 1000 users at the same instant of time, how many copies would be sufficient so that parallel streams can be provided to each user? Ideally 1 copy would solve the purpose, but what is the optimum number keeping the bandwidth and simultaneous access in mind?

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• Monitor network traffic on a per-app basis in OS X?

  - by dougoftheabaci

  Title says it all. I'm looking for an app for OS X that will tell me what applications are using the network and what their in/out is. I can get most of the way there with LittleSnitch but it's the bandwidth part that it fails at. The only app I've come across that comes close is "Rubbernet" and while it does look like it would probably do what I want, it's very expensive (more than LittleSnitch) and doesn't look like it gets regular feature updates. Any recommendations?

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• Hosting websites in the Cloud (GoogleAppEngine etc) or simple webhosting

  - by lydonchandra

  hi, whats the main difference between hosting in Google through Google App Engine than hosting websites in 'normal' web hosting provider(e.g.http://webhostingworld.net/plans.php) ? hosting in webhostingworld.net looks much cheaper (unlimited storage, bandwidth, 99.9%uptime)..so what gives ? Many thanks

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• Where to find a tag based file manager?

  - by samoanbiscuit

  I'm a CS uni student in a country with limited bandwidth, and I find that I download files (particularly install files) for reuse\reinstallation\giving to my friends.. I've kept these files in different folders, and now find it extremely hard to find them, and keeping track of obselete files (the almost weekly releases of iTunes versions, or latest 7zip release or the .Net framework installers). What I would like to find is a file manager that could support tags, so instead of hierachical folders, i could find\view files according to their tags...

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• How to use AND/OR Building Block content in a Word 2007 template

  - by JimmyJames

  I am creating a Schedule of Work template and am successfully using Developer Tab and Quick Parts to allow user to choose content on an "either/or" basis: either A; OR B; OR C; etc., essentially choose one option from many. One Building Block control, one paragraph, nice and clean. Now what I need to do but cannot seem to figure out, is how to allow user to choose content on an "and/or" basis: either A AND B; A OR B AND C; B AND D AND E OR F; etc., essentially choose several options from many on a variable basis. One Building Block control, maybe one paragraph, maybe three or more paragraphs. Not so clean. I thought of building choice options for all possible paragraph combinations, but I can have as many as 7 or 8 different paragraphs, and that solution quickly becomes unworkable. Multiple controls--some of which will be left unused doesn't work either, since I cannot find an easy way to have a "Choose or Delete" control that actually deletes if "Delete" is chosen. Recommendations are most welcome.

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• Mac limit update download speed

  - by ILMV

  I have a Macbook with Snow Leopard that I need to update, but I want to limit the speed so it doesn't wipe out my entire bandwidth. Is there an application or setting change I can use to limit the speed to 20KBps? I've already tried ipfw through the terminal with little success. Thanks :-)

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• Amazon ec2 reserve instance

  - by lydonchandra

  Hi, We received the education credit (valid for 1 year) from Amazon to use, and just wondering if we can buy reserved instance (3years) using that credit? Is there any way to reserve how much bandwidth we can use too ? Thanks

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• About to go live: virtual dedicated server or cloud?

  - by morpheous

  I am about to launch my startup company, and we will be going live in a few weeks time. We have really tight budgetary constraints, since we are bootstrapping - and would prefer not to raise external capital. I cant use shared hosting because I need more control of the server machine (for technical reasons - e.g. using proprietary extensions to PHP, Apache and in the database layer as well) - but want to control costs and dont want to go fully private server route, until we have determined the market size etc. So the only real alternatives AFAIK is between virtual server and the cloud. At the moment, cloud services seem a bit "vague" to me. My understanding is that they allow an entity to outsource its IT infrastructure, which in my mind (at least), is indistinguishable from what a hosting provider provides (at least from a functional point of view) - I would like to seek some clarification on exactly what the difference between the two is. Back to my original question, my requirements are: IT infrastructure that can scale with growth Ability to have control of the machine (for e.g. to install our internally developed libraries etc) Backup software that is flexible and comprehensive enough (yet simple to use), that allows a (secured) backup strategy to be implemented. On this issue, I have always wondered where the actual backed up data was stored (since the physical machines are remote, and one cant get access to any actual tapes etc backed onto). I would also like some advice and recommendations in this area. Regarding data size, I am expecting the dataset to be increasing by a few megabytes of data (originally, say 10Mb, in about a years time, possibly 50Mb) every day. As an aside, I have decided to deploy on a Debian server (most of my additional libraries etc were compiled and built on a Debian machine). Mindful of all of the above, I would like some advice (and reason) as to which route to take. I would also like some advice on which backup software to use, from people who have walked a similar path.

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• How can Rackspace beat DigitalOcean's Pricepoint? [on hold]

  - by Matt Jensen

  I have recently discovered Digital Ocean and I have found it to be a relatively nice experience for small staging servers, and the thought occurred to me, why am I paying $267~ for a server on Rackspace (40GB RAM, 160 GB Drive, 2 vCPUs, 400 Mb/s) when Digital Ocean offers a server for $40 (40 GB RAM, 60GB Drive [storage is not a concern of mine], 2 vCPUs, ?Mb/s)? Does Rackspace offer some kind of obvious advantages in Transfer speed/bandwidth? My applications are small startups that for the immediate future will only have about 200-300 concurrent users at once.

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• Two wireless NICs on a MacBook - can I bind all VPN traffic to one, and everything else to another?

  - by Ben Aston

  I frequently connect to my workplace over a VPN. I would like to continue watching videos from, say YouTube, whilst I work on the VPN, without degrading the available VPN bandwidth (say for an RDP session). Can I configure a second NIC to deal with only the VPN traffic, with everything else going over the primary? Specs as requested: Macbook Pro, OSX Snow Leopard, using the built in OSX VPN connectivity, the in-built airport card and a USB external wifi adapter.

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• variable bitrate streaming under linux

  - by ufk

  Hi. i know that in Linux i can stream using vlc and ffmpeg. i was able to successfully stream using vlc but only in static bitrates. i must set 400k/s or 800k/s. i want it to use as much upload bandwidth as it can consume. so if my internet line is not busy and i'm not downloading anything the quality will be better. is it possible to do such a thing?

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• networking problem

  - by ritesh

  dear sir, please help me i have reliance bandwidth connection & i want to set local area network without use a router please help how set this with regards ritesh rana [email protected]

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• Connect multiple WiFi networks simultaneously

  - by Tamir

  Hi all :-) I thought about connecting multiple WiFi networks simultaneously in order to leverage my bandwidth. I heared about "VirtualWifi" which is abandon by MS research. I have new Intel WiFi chipset (6200) and Win7 (64bit). Can I do such of thing somehow? Many thanks for your answers! Tamir

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• Win7 - Opening "Programs and Features" as Admin from command line (logged in as regular user)

  - by user1741264

  We have Win7 machines on a domain that we'd like to open the "Programs and Features" control applet via the command line while a regular user is logged in. Heres the catch: I know how to do this using runas from command line BUT after "Programs and Features" opens, I dont truly have the ability to remove a program. I am told that I need to be an Admin to do so. Here are the commands I have tried: runas /user:%computername%\administrator cmd.exe then in the new cmd window running: control appwiz.cpl runas /user:%companydomain%\%domainadminacct% cmd.exe then in the new cmd window running: control appwiz.cpl runas /user:%computername%\administrator cmd.exe then in the new cmd window running: rundll32.exe shell32.dll,Control_RunDLL appwiz.cpl runas /user:%companydomain%\%domainadminacct% cmd.exe then in the new cmd window running: rundll32.exe shell32.dll,Control_RunDLL appwiz.cpl I have also tried all of the above as one long line of code instead of launching a cmd.exe as Admin As you can see, I have tried running the command using both a local admin account (Administrator) AND a domain admin account. I have alos tried launching the runas command as one long command (opening the "programs and features") AND 1st launching a cmd.exe with admin rights and THEN launching the "Prgrams and Features" window. The result is the same: The "Programs and Features" windows opens but when I try to perform an uninstall, I am told I need Admin rights. Thus I am lead to believe that this instance of "Programs and Features" is not truly being run as an admin I am trying to avoid logging the regular user out. I am also aware that every program has its own uninstaller, I do not want to uninstall that way. I want to use the uninstaller in "Programs and Features". Any help is appreciated.

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• Tool or script to detect moved or renamed files on Linux prior to a backup

  - by Pharaun

  Basically I am searching to see if there exists a tool or script that can detect moved or renamed files so that I can get a list of renamed/moved files and apply the same operation on the other end of the network to conserve on bandwidth. Basically disk storage is cheap but bandwidth isn't, and the problem is that the files often will be reorganized or moved around into a better directory structure thus when you use rsync to do the backup, rsync won't notice that its a renamed or moved file and re-transmission it over the network all over again despite having the same file on the other end. So I am wondering if there exists a script or tool that can record where all the files are and their names, then just prior to a backup, it would rescan and detect moved or renamed files, then I can take that list and re-apply the move/rename operation on the other side. Here's a list of the "general" features of the files: Large unchanging files They can be renamed or moved around [Edit:] These all are good answers, and what I end up doing in the end was looking at all of the answers and will be writing some code to deal with this. Basically what I am thinking/working on now is: Using something like AIDE for the "initial" scan and enable me to keep checksums on the files because they are supposed to never change, so it would aid on detecting corruption. Creating an inotify daemon that would monitor these files/directory and recording any changes relating to renames & moving the files around to a log file. There are some edge cases where inotify might fail to record that something happened to the file system, thus there is a final step of using find to search the file system for files that has a change time latter than the last backup. This has several benefits: Checksums/etc from AIDE to be able to check/make sure that some media did not get corrupt Inotify keeps resource usage low and no need to re-scan the filesystem over and over No need to patch rsync; If I have to patch things I can, but I would prefer to avoid patching things to keep the burden lower, (IE don't need to re-patch everytime there is an update). I've used Unison before and its really nice, however I could've sworn that Unison does keep copies around on the filesystem and that its "archive" files can grow to be rather large?

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• Streaming server with automatic quality

  - by mxg

  Hi everyone! Does anyone knows a media streaming server solution for streaming video/audio with automatic quality(depending on the client bandwidth). Thanks in advance!

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• CloudFront with Custom Origin and ELB

  - by kmfk

  We are using CloudFront for our static assets but also wanted to allow for Gzip. We set up a new distribution with a custom origin pointing back to our application servers which are behind a elastic load balancer. We manually keep the files in sync across the cluster and update them when we publish. However, with this set up, we get nothing but Miss and RefreshHits from CloudFront, which so far has defeated the purpose. Is there any additional settings in order to use an ELB as your custom origin? In the docs, it references this as a viable solution. It appears when we point the distribution to a single server in our production cluster, cloudfront properly caches our assets. Is it possible that the sticky sessions cookie and the subsequent header that gets added by it could be an issue? Cache-Control: no-cache="set-cookie" //Added by load balancer Any ideas? FYI - currently, we have our custom origin pointing to a single EC2 instance, so caching is working correctly - in case you try to curl the file below. Example headers: curl -I http://static.quick-cdn.com/css/9850999.css HTTP/1.0 200 OK Accept-Ranges: bytes Cache-Control: max-age=3700 Cache-Control: no-cache="set-cookie" Content-Length: 23038 Content-Type: text/css Date: Thu, 12 Apr 2012 23:03:52 GMT Last-Modified: Thu, 12 Apr 2012 23:00:14 GMT Server: Apache/2.2.17 (Ubuntu) Vary: Accept-Encoding X-Cache: RefreshHit from cloudfront X-Amz-Cf-Id: K_q7Zy3_jdzlEJ85ukELVtdx1GmuXqApAbZZ7G0fPt0mxRMqPKX5pQ==,RzJmPku-rEIO9WlvuSoKa8hiAaR3dLk5KC4cQMWWrf_MDhmjWe8n6A== Via: 1.0 28c34f9fbf559a21ee16594849e4fc9c.cloudfront.net (CloudFront) Connection: close

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• Measuring internet performance

  - by ripper234

  Is there a program that measures the performance (bandwidth, latency) of my internet connection over time? I'm interested in trends, statistics, etc... I suspect that I'm not getting all that I'm paying for from my ISP.

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• How to better copy&paste big files over RDP?

  - by WebMAOhist

  Recently I was making a few attempts to copy&paste a big (1.2 GB) file to remote computer over RDP. The remote computer is virtual testing machine with MS Windows Server 2008 Datacenter. First I tried to copy&paste before midnight when the transfer speed was limited by client computer ISP to 100 kB/s. So, it required a few hours and I was forced to cancel transfer since remote desktop became too unresponsive and sluggish (slow). So, I re-started it over midnight when my local transfer speed is over 4 GB/s 4MB/s (sorry for typo). So, my impression is that independently on speed (broadband) of copy&paste transfer the remote computer becomes sluggish while copying over RDP. At the same time downloading from internet doesn't make remote host sluggish. AFAIU, it is because clipboard of remote computer and so its memory becomes overloaded by transfer. How can I control (restrict) the usage of clipboard for specific process (pasting of file)? What are the possible way to control it? Update: After reading that slow speed of transfer is caused by encryption used for copy&pasting over RDP and since I believe I am more interested in overall efficiency: both the time, or rapidness, of getting file as well as possibility to work without waiting, I changed the question title from: How to control the usage of remote desktop clipboard usage for pasting a big file? to How to better copy&paste big files over RDP? For example, is it better to copy&paste one huge (zip) archive or unzip it and copy paste a folder with unzipped files? And more exactly I wanted to ask: What are possible ways to improve overall experience: the speed of transfer (i.e. availability of needed file) responsiveness of remote host (making remote coputer available for work before completion of copy&pasting)?

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• Remotely Installing Windows 2008 on SunBlade 6000/6250... any gotchas?

  - by Warpraptor

  I'm preparing to remotely install Windows 2008 Standard onto a 6250 blade module mounted in a SunBlade 6000 chassis rack. Are there any gotchas (aside from the predictable issues related to bandwidth in transferring the ISO, etc.) for this? Has anyone else successfully completed this task? I'm not a hardware guy, I'm a software guy who has been handed this task because the guys in the datacenter don't want to touch it. Any help is appreciated.

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• DIMMs: Single vs. Double vs. Quad Rank

  - by MikeyB

  What difference does the 'Rank' of DIMMs make to server memory? For example, when looking at server configurations I see the following being offered for the same server: 2GB (1x2GB) Single Rank PC3-10600 CL9 ECC DDR3-1333 VLP RDIMM 2GB (1x2GB) Dual Rank PC3-10600 CL9 ECC DDR3-1333 VLP RDIMM Given the option of Single Rank vs. Dual Rank or Dual Rank vs. Quad Rank is one always: Faster? Cheaper? Higher Bandwidth?

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