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Search found 50243 results on 2010 pages for 'application switcher'.

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• When can an FTP server close its passive connections?

  - by Don Kirkby

  Does the FTP protocol allow the server to close any of its passive connections while the client is still connected? Can it tell when the client is finished receiving and then close the connection? I'm including an FTP server in my application using the pyftpdlib Python project. I've got it to work in active and passive mode, but I'm a bit concerned about when it closes its passive connections. I've tried connecting to it with both FileZilla and the default ftp command in Ubuntu, and in both cases, I get a new passive port for every request. That is, if I sit in the root folder and type ls 10 times, I use up 10 ports. This means that I have to allocate a big block of passive ports for the FTP server to use so it won't run out. As soon as the client disconnects, the server releases all the passive connections associated with that client and those ports can be reused. However, a long-running connection could use up a lot of ports.

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• Advanced Terminal / Console apps for Mac OS X?

  - by Jakob Egger

  I use a lot of command line programs, very often with similar arguments. Can anyone recommend an application or a workflow that allows me to store often used shell commands and search through my recent commands, using a GUI? I have commands that I use very often (eg. rsync a specific directory to a server) and other commands that I use less often. Creating shell scripts for every code snippet I might reuse seems a bit awkward. Especially for programs that I use seldomly, I end up reading the docs over and over again, because I forgot to write down the exact shell command. Ideally I would like an app that's just like Terminal.app, but provides some kind of history and snippet management. What do you use to keep track of shell commands?

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• Smart backup software

  - by gisek

  I use a laptop on daily basis. As I have a lot of important data there it would be nice to do backups of some directories every day. Can you recommend a specific application that would take care of it? Maybe there is an app that would instantly commit changes I make in a directory on my laptop to the backup folder? The important thing is that I have some big files (a few GB's) that have some minor changes very often. I'm talking about VirtualBox disk images. It would be nice if the software could handle it smartly. Also notice that I'd like to store it on an external usb HDD, which sometimes isn't plugged in.

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• Can only connect to IIS site through localhost

  - by Rembrandt Q. Einstein

  I'm building a web service for my company's iPhone application, and everything's been working smoothly by running tests through localhost on the development machine. I'm now in the phase where I need to test connections from other computers within the network, and any connection other than localhost gives me a 404. My internal IP, 127.0.0.1, and computername all get 404 when connecting from any computer, either the one the site's hosted on or any others on the network. Telnet can get through to port 80, and I've temporarily disabled all firewalls on this machine (I do not have control over the external firewall, but I'm only testing connections within the network) Does anyone have a clue why this is happening? I was able to connect to the web service from other computers when hosted on a Mac via Apache, but because I'm now using a SQL Server connection I'm restricted to using IIS for Windows Authentication. Googling only provided answers related to firewalls, and mine is disabled note: I cannot use Anonymous Authentication, but even in testing that it did not affect the issue.

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• need for tcp fine-tuning on heavily used proxy server

  - by Vijay Gharge

  Hi all, I am using squid like Internet proxy server on RHEL 4 update 6 & 8 with quite heavy load i.e. 8k established connections during peak hour. Without depending much on application provider's expertise I want to achieve maximum o/p from linux. W.r.t. that I have certain questions as following: How to find out if there is scope for further tcp fine-tuning (without exhausting available resources) as the benchmark values given by vendor looks poor! Is there any parameter value that is available from OS / network stack that will show me the results. If at all there is scope, how shall I identify & configure OS tcp stack parameters i.e. using sysctl or any specific parameter Post tuning how shall I clearly measure performance enhancement / degradation ?

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• How to use mod_proxy to let my index of Apache go to Tomcat ROOT and be able to browse my other Apache sites

  - by Dagvadorj

  I am trying to use my Tomcat application (deployed at ROOT) to be viewed from Apache port 80. To do this, I used mod_proxy, since mod_jk made me try harder. I used sth like this in httpd.conf: <location http://www.example.com> Order deny,allow Allow from all PassProxy http://localhost:8080/ PassProxyReverse http://localhost:8080/ </location> <Proxy *> Order deny,allow Allow from all </Proxy> And now I can not retrieve my previous sites on Apache, which was running prior to my configuration. How can I have both running?

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• Best idea dataserver serving small pictures 40 ko

  - by Nicolas Manzini

  I'm designing the server structure for my application in case things go well. I have one server DB connected to multiple server who process connections. All those with lots of RAM and fast processors. (still looking for a way to use the multithread because now it's dumb apache php... so loooots of ram needed). Upon an answer from those servers, the client can then connect to another server to retrieve pictures using the address he previously got from the db. Is it a good idea to have one database server with let's say nginx and ssd disk having to send all pictures to everybody? or should I have multiple server accessing to a shared ssd disk drive or multiple disk updating each other? Also should I put a lot of RAM on the database server? because probably there wont be a picture more popular than another.

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• Tool to launch a script driven by modem activity

  - by Will M

  Can anyone suggest a software tool (preferably under Windows XP or later) that would launch an application or script in response to a phone call being received on a landline phone line connected to a data modem on the same PC? or, better, in response to a sequence of touch-tones being played over such a phone line. This would allow, for example, using the telephone to manipulate firewall settings so as to create another layer of security in connection with remote internet access to that computer. I seem to recall seeing tools to do this sort of thing in the days before broadband internet access, when there was more attention to various tips and tricks for the dial-up modem, but a few attempts at Google hasn't turned anything up.

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• can I display a JPG or PNG to the framebuffer (/dev/fb*)?

  - by ndmweb

  I know I can capture the framebuffer in linux using something like cp /dev/fb0 ~/myimage and re-display that by coping back to the device like so cp ~/myimage /dev/fb0. What format is the framebuffer image data in? and how would I go about displaying a pre-made image (jpg, png) to the framebuffer? Can I convert to this format using imagemagick? p.s. Im using a raspberry pi running raspbian. Update 11-12-2012 I ended up using pygame to display images in my application. Not sure if this uses the frame-buffer to display the images. But it meets my needs quite well.

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• Image resolution not showing up in "Get info" dialog in Mac OS X

  - by R.A

  When I bought a Mac Mini with Mac OS X, I could show image dimensions in the Get Info dialog. After that, I installed some mobile application development software and later I noticed, Get Info was not showing the image dimensions anymore. I need to check the dimensions of those images to include artwork in my project. Now, I reinstalled my Mac OS X and it's working fine – it is showing the dimensions: Before that, 516x314 was missing. Why did that happen? How can I prevent it from happening again?

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• Improving Windows Authentication performance on IIS

  - by flalar

  We're struggling with performance issues with a ASP.NET MVC site that is using Windows Authentication. Response time is very slow on the first request to the site when the user is being authenticated. Further, every time the Authorization header is sent from the browser the response time increases with many seconds. The same issue occurs for both executed files and static content like CSS and JS. Access to the application is restricted to users within a certain role and we are now planning to allow access to static files for all authenticated users to see if that helps. The authentication method in use is NTLM. How should we go forward in pinpointing why authentication decreases performance drastically?

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• How to make sure you server NIC performance is at best on Windows?

  - by Bobb

  I realised that I followed some obscure paper on setting NICs on Windows for too long. It might be outdated with new hardware released in past couple of years and with W2008R2. I read a bit about offloading and RSS settings on Windows and I realiased that it is very much circumstantial. Noone can really say - enable that and disable this. etc. So what I really want is for my next server try and setup testing environment and measure how my particular application will behave with different settings. The target is going to be latency of TCP primarily. Please note I am talking about latency inside the box. Are there precision tools for Windows to measure latency (down to microseconds)? P.S. I know this is not easy question. Windows time drift is awful problem for any precision test but still I am sure I am not the fist person to need that... Please share your experience

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• Phantom Local Disks appearing in my drive list

  - by Paul

  I seem to have several phantom Local Disks mapped to different letters that are of 0 bytes in size. Strangely, they do not show up when I view my drives through Windows Explorer. But if I open an application such as ACDSee Pro or MS Word and then go to open a file I can see all these Local Disks mapped to different letters. This means when I plug in my external hard disk it ends up mapped to letter R instead of its usual G which messes up any programs I have pointing to it by default. How did they get there and more importantly, how do I get rid of them? I'm on a Window 7 Home Premium 32 bit machine.

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• Host a Debian repository on a Windows Web/Ftp server

  - by Dave

  At the risk of causing a matter vs. antimatter paradox that would end the world as we know it ... Is it possible to host a Debian repository on a Windows server? We have some applications which are available for Windows, Mac OS X, and Linux. Our web site, from where the application can be downloaded, is a Windows Server 2008 box running IIS 7. That is not going to change, and I would like to avoid having to purchase another server and/or domain. I would like to take advantage of the Debian packaging system so that I can just instruct users to add our repository to their software sources, and then they can install, get updates, resolve dependencies (some of which are not yet in the stable/main distributions of my target platforms), etc. The instructions I can find on the internet require linux-specific tools to create a local repository, but are unclear as to whether or not that can be copied to an FTP site as is, or if it requires some local daemons to be running or something.

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• Exchange 2010 550 5.7.1 unable to relay

  - by isorfir

  I have a website application that needs to send email via our Exchange servers. It sends email internally fine, but when sending to an external address I get the 550 5.7.1 unable to relay error. I followed this guide to create a connector to allow relay. Unfortunately, all office email was trying to use that connector and was not being routed correctly. It also appeared as though it opened it up for spammers to use. This is obviously unacceptable and a secure method is needed.

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• Apache Balancing by source IP

  - by Daniel

  I am using Apache's Proxy Balancer to balance one sub domain (e.g. subdomain.domain.com) to an application which is located on 2 servers. Here an extract from my Apache configuration file: <Proxy *> Order deny,allow Allow from all </Proxy> <Proxy balancer://cluster1> BalancerMember http://server1:28081 route=w1 BalancerMember http://server2:28082 route=w2 </Proxy> ProxyPass /path balancer://cluster1/path ProxyPassReverse /path balancer://cluster1/path My question is, if it's possible to decide with the source IP-address which BalancerMember should be used for the request? To e.g. Requests from 1.2.3.4 to Member 1?

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• Can I find the session ID for a user logged on to another machine?

  - by Dan

  I want to open an application on another computer on the same network via the command line. The scenario here is that the user is in a room surrounded by about 20 computers and wants to be able to launch the same app on every computer without walking from screen to screen opening it up on each individual machine. I've discovered that I can get the basic functionality for this using PsExec as follows: psexec \\[computer] -u [username] -p [password] -d -i [SessionID] [program] For computer, username, password, and program, I'm good. Does anyone know of a way I can figure out which SessionID is assigned to a particular user logged on to a particular machine on the network? Alternately, is there a better way to go about what I'm trying to accomplish?

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• rsync server side limit bandwidth/connection

  - by c2h2

  In a VOIP application, I have upto 3000 clients rsync audio files from there linux server in a daily, server is placed at a data center (10Mbps in/out bound), the server works as a VOIP sip server running FreeSWITCH (low ping latency should be ensured.) Therefore I would like to have server side control of rsync which controls: Limit total outbound bandwidth. Limit total number of connections. (Reject clients while at max number of connection and let it retry after a specific time frame.) OPTIONAL: list/kill individual connections. Normally I would use ssh + rsync + pem_keys with some extra options, but above requirements are not feasible by simple command lines. Can anyone point me some direction. or show some scripts/tools? I would also probably integrate them and release on github. Thanks!

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• Thunderbird 3.0 refuses to start on Mac OS X?

  - by jtimberman

  I just downloaded Thunderbird 3.0 on my Macbook Pro running Leopard, and installed it in /Applications. When I attempt to start it, the icon opens on the Dock as normal, but I get the following dialog. I don't have a ~/Library/Application Support/Thunderbird directory at all, let alone a .parentlock file. While I didn't expect it to help, I did reboot my system. And sign out and back in. And close all programs besides Thunderbird. Earlier versions of Thunderbird have worked just fine.

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• Logical move of a server to UK, what do I do with the SSL certificates

  - by flyfishr64

  I have been asked to move a rails application from the US to the UK. This involves bringing up the rails stack on Ubuntu 8.04.4; that's completed. I'm stumped with the SSL configuration though. The plan was to bring this server up with the same domain name but temporarily use a subdomain (app2.xxx.com instead of app.xxx.com) during the move and for testing, then rename it to app.xxx.com when we're ready for the cutover (does that make sense?). In the meantime, we need a new cert for the app2 subdomain. So to generate a CSR, I need a server key but do I need a new one, or should I copy the one from the existing production server?

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• PHP pages are not parsed by Apache on CentOS

  - by infotoknowledge

  I have installed Centos 5.x, Apache 2.2, PHP 5.3 and MySQL 5.5. I also installed phpMyAdmin. I am able to access phpMyAdmin through the browser without any issues. However, when I create a simple index.php with phpinfo() function in the default directory, that page is served without php parsing. As we all know, phpMyAdmin is a php application. This is working fine from the same server but not the simple php page from the doc root directory ??!!!. Of course, I tried moving this page into phpMyAdmin folder and tried accessing it, but no success. Please note that I updated httpd.conf file with appropriate directives based on the php installation guide. docroot - /var/www/html phpMyAdmin folder - /var/www/html/phpMyAdmin Any help is appreciated.

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• What are the default/recommendet access rights for %ALLUSERSPROFILE%?

  - by RED SOFT ADAIR-StefanWoe

  We have a Windows application that reads and writes some data for all users. We place it at %ALLUSERSPROFILE%\OurProgram*.* We now encounter a few cases in larger companies, where users do not have write permission to %ALLUSERSPROFILE%. Most of these cases are running Windows 7. The problem does not occur on a normal desktop installation of Windows 7 though. What is the recommended policy for this location? I have not found any "official" information about this. Is there a different location where all users have write permission?

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• Using Windows Azure storage for backup

  - by Bruno

  I am currently looking at Windows Azure blobs as an option for backing up archive data. I want to be able to upload files from an external windows machine via the internet but I don't know enough about Windows Azure storage to make a decision. Some of the questions I have are How do I upload the files. Is there a client application, can I use robocopy? Would it be fast enough? i.e. Could I download or upload 1TB of data in a week? Is it secure? Hopefully someone smarter than me can help me :-)

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• Enable POST on IIS 7

  - by user26712

  Hello, I have a WCF service that requires POST verb. This service is hosted in a ASP.NET application on IIS 7. I have successfully confirmed that GET works, but POST does not. I have the following two operations, GET works, POST does not. [OperationContract] [WebInvoke(UriTemplate = "/TestPost", BodyStyle = WebMessageBodyStyle.Bare, RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)] public string TestPost() { return "great"; } [OperationContract] [WebGet(UriTemplate = "/TestGet", BodyStyle = WebMessageBodyStyle.Bare, RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)] public string TestGet() { return "great"; } When I try to access TestPost, I receive a message that says: "Method not allowed". Can someone help me configure IIS 7 to allow POST requests? Thank you!

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• Outlook can not recognize PDF v1.7 attachments - those become corrupted after receiving on linux client

  - by SkyRaT

  MS Outlook cannot recognize PDF format 1.7 when sending it as an attachment. Therefore it's sent as: Content-Type: application/pdf; Content-Transfer-Encoding: quoted-printable When receiving such an e-mail under Linux (Thunderbird), the PDF content is being parsed as a plain text and converted. This results in a corrupted file loosing all the bytes 0x0a (LF) which are being removed by the EOL conversion. It's definitely a problem of Outlook which is IMO hard to fix and deploy. Is there a way to fix that on Thunderbird's site?

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