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• IE session (-nomerge) management application?

  - by skrco

  I'm in need of an application that can manage multiple Internet Explorer instances (to be precise nomerge sessions) like you can in Remote Desktop Manager with RDPs. This app should host them in single window and arrange IE instances e.g. in tabs or lists. OK, in Remote Desktop Manager you can create Web session, but in embedded mode you cannot set the nomerge option - all windows and tabs share the same session. I've been searching the web, but with no results. So I put this question whether anyone know of such application or any workaround. Or I have to write my own app?

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• How to print a rendered website to pdf or vector graphics?

  - by Lo Sauer

  This is a crucial question to many: Searching the web, I have found several command line tools that allow you to convert a HTML-document to a PDF-document, however they all seem to use their own, and rather incomplete rendering engine, resulting in poor quality How can you print the rendered output of a modern web-browser to pdf, (and/or svg) whilst retaining as much vector graphics as possible? There is a solution called: webkit-pdf (which renders everything to bitmap graphics) I am looking for options, alternatives, suggestions perhaps even a printer-driver or webservices? Thanks

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• How do I uninstall a VPN dialer program when I receive this message?

  - by Howard Pryor

  I'm trying to uninstall a program (VPN Dialer) and I receive this error message-The InstallShield Engine (iKernel.exe) Could Not Be Launched. Access Is Denied

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• Direct DB to Web Server connection

  - by Joel Coel

  I have a database server sitting right underneath a virtual machine host server in the rack, and this vm host is primarily responsible for servers hosting a couple different web sites and app servers that all talk to databases on the other server. Right now both servers are connected to the same switch, and I'm pretty happy with the pathing. However, both servers also have an unused network port. I wondering about the potential benefits of using a short crossover or normal+auto mdix network cable to connect these two servers together directly. Is this a good idea, or would I be doing something that won't show much benefit and is just likely to trip up a future admin who's not looking for this? The biggest weakness I can see right now is that this would likely require a code change for each vm app to point to the new IP of the database server on this private little network, and if I have a problem with the virtual machine host and have to spin up it's guests elsewhere while I fix it I'll have to change this back before things will work.

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• Is there a command line two-factor authentication verification code generator?

  - by dan

  I manage a server with two-factor authentication. I have to use the Google Authenticator iPhone app to get the 6-digit verification code to enter after entering the normal server password. The setup is described here: http://www.mnxsolutions.com/security/two-factor-ssh-with-google-authenticator.html I would like a way to get the verification code using just my laptop and not from my iphone. There must be a way to seed a command line app that generates these verification codes and gives you the code for the current 30-second window. Is there a program that can do this?

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• Automatically convert audio files in a certain folder

  - by Pat

  Anyone know of an application that automatically* converts audio files in a certain folder from one format to another? *By automatically, I mean that there is no user interaction besides initial setup and dropping files into a certain folder. So, basically, I could rip a CD to a certain directory in FLAC format, then this app would see that new files were added to the folder and convert them to MP3s (into another folder, preferably). (It would also be great if the app integrated with MusicBrainz's Picard to rename and re-tag files that are incorrect before sending them to the converter, but that's just icing on the top.)

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• How to create basic load balancer?

  - by Ilya Rusanen

  guys. I'd like to deploy my app on two different servers, located in US and Germany. As I suppose, I need to set up some kind of load balancer, that would deternime from which country my user is, and resolve it to US/Germany server. The general aim is to provide user abitiliy to work with the closest server (CDN is not a solution, 'cause we dont share static content). Where should I place load balancer that would resolve user to USA/GER severs? In usa/germany? What shold it look like? A usual server with some specific app or what? Thank you.

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• cPanel WHM virtualhost sample

  - by Prix

  Hi, Could anyone possible post a virtual host sample from a working httpd server, if possible with the most features enabled (like suPHP, suExec, php directives such as engine on off and others) ? The reason is that i wanted to see how it is formarted, and built per vhost... it's been a long time i dont use cPanel nor have it available so i can't really get it, i've been googling for it but havent found it at all. Much appreciated.

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• django fcgi - call a management command with subprocess.Popen

  - by user41855

  Hi, I'm using an app called django-chronograph. It has a code of line which works in my dev environment and does not work in production: p = subprocess.Popen(['python', get_manage_py(), 'run_job', str(self.pk)]) This line crashes in production with: unknown command run_job Whereas when I run directly from command line: manage.py run_job It works fine. Interestingly it worked once when we exchanged 'python' with 'usr/bin/python'. then we restarted the server once more and it was back to old behaviour. Thus it seems as we have a python path issue. I'm not the guy who is running the server, its my app that should run and it would be great to get some help here. Attention: I'm a total noob regarding server-administration.. server environment: NGINX with FCGI-Daemon FCGI in prefork-mode

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• Working WCF WebServices with NLB server

  - by gguth

  Im starting the architecture of a new project using WCF, but im not the right person to make some network considerations, so im doing some research but cannot find the answers to these questions: We´ll host the WCF service in a common Windows Service app in 2 servers and we´ll have another server to make the Load-Balancing job using the WNLB. The fact that we are hosting the WCF in a Windows Service app can disturb the NLB job? Before my research i thought the load balancing was tought to configure, but with NLB it seems to be very simple, its really that simple? Note: The binding will be basicHttpBinding

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• Coldfusion 8 Application Crashes Under Heavy Load

  - by KM01

  Hello, We have a CF8 app that runs for 20-25 minutes before crashing under heavy load ~ 1200 users. This load is generated by our load testing tool: 1200 users ramped up in 5 mins (approx behavior of our users), running for an hour. We have this app on Solaris 10, Apache 2, JRun 4 and Oracle 10g. Java version is 1.6. During the initial load tests, the thread dumps pointed to monitor deadlocks that pointed to sessions. "jrpp-173": waiting to lock monitor 0x019fdc60 (object 0x6b893530, a java.util.Hashtable), which is held by "scheduler-1" "scheduler-1": waiting to lock monitor 0x026c3ce0 (object 0x6abe2f20, a coldfusion.monitor.memory.SessionMemoryMonitor$TopMemoryUsedSessions), which is held by "jrpp-167" "jrpp-167": waiting to lock monitor 0x019fdc60 (object 0x6b893530, a java.util.Hashtable), which is held by "scheduler-1" We increased the number of sessions relative to the number of CPUs (48 simultaneous threads against 32 CPUs), and the deadlock went away. While varying the simultaneous threads helped a little bit in terms of response time, the CF server still tanked in 20-25 minutes during all of these tests. We ran more thread dumps, and saw a thread locking a monitor, for e.g.: "jrpp-475" prio=3 tid=0x02230800 nid=0x2c5 runnable [0x4397d000] java.lang.Thread.State: RUNNABLE at java.util.HashMap.getEntry(HashMap.java:347) at java.util.HashMap.containsKey(HashMap.java:335) at java.util.HashSet.contains(HashSet.java:184) at coldfusion.monitor.memory.MemoryTracker.onAddObject(MemoryTracker.java:124) at coldfusion.monitor.memory.MemoryTrackerProxy.onReplaceValue(MemoryTrackerProxy.java:598) at coldfusion.monitor.memory.MemoryTrackerProxy.onPut(MemoryTrackerProxy.java:510) at coldfusion.util.CaseInsensitiveMap.put(CaseInsensitiveMap.java:250) at coldfusion.util.FastHashtable.put(FastHashtable.java:43) - locked <0x6f7e1a78> (a coldfusion.runtime.Struct) at coldfusion.runtime.CfJspPage._arrayset(CfJspPage.java:1027) at coldfusion.runtime.CfJspPage._arraySetAt(CfJspPage.java:2117) at cfvalidation2ecfc1052964961$funcSETUSERAUDITDATA.runFunction(/app/docs/apply/cfcs/validation.cfc:377) As you see in the last line above there were several references CFMs and CFCs, and the lines have "cflock" tags, which were scoped to the "application." We (the dev team) then changed them to be scoped to a "name". After more load tests, there is no locking going on and there no deadlocks, but now the application tanks in 7-10 minutes. We've gotten system, network and DB reports from the respective admins, and they are not being taxed; even watched the server stats with server monitor, top, prstat, ran sar reports, etc. So we believe it is an issue with the CF server or maybe the JVM. I am running out of ideas as to what else we can try. Disclaimer: I am not a CF developer or Admin. I am just running the load test, analyzing the reports, threads etc, and sharing the results with the dev and admin teams, and trying the next change, and so on. So far no dice. Has anyone run into something similar? How did you go about diagnosing and troubleshooting? All thoughts and pointers welcome. Thank you for your time! KM

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• Nginx proxy to s3 bucket gets 400 Invalid Argument

  - by elssar

  I have a Django app in which I serve media files through an nginx proxy to s3. The relevant python code response = HttpResponse() response['X-Accel-Redirect'] = '/s3_redirect/%s' % filefield.url.replace('http://', '') response['Content-Disposition'] = 'attachment; filename=%s' % filefield.name return response The nginx block for the internal redirect is location ~* ^/s3_redirect/(.*) { internal; set $full_url http://$1; proxy_pass $full_url; And the request logged by s3 is. REST.GET.OBJECT <media file> "GET <media file>" 400 InvalidArgument 354 - 4 - "http://<referer>" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_3) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1" - I, for the life of me, can't figure out what's wrong. The url send to nginx by the app is valid, it works in the browser. And nginx is sending a request to s3.

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• How to get old DLL's running on 64bit server

  - by quakkels

  Hello all, I'm moving my company's websites from a windows 2003x86 server to windows 2008x64 which is running IIS 7.5. The problem that I've got is that all the DLL's which were running fine on the old server, now error out whenever they're called. All I get is a generic error like: Server object error 'ASP 0177 : 800401f3' Server.CreateObject Failed /folder/scriptname.asp, line 24 800401f3 The line that errors is: '23 lines of comments set A0SQL_DATA = server.createobject("olddllname.Data") 'the rest of the script I already have that site running in an App Pool that is set to 32bit mode. But, I get the error anyway. Has anyone experienced this? I'm frusterated because all the info I look up says that all I need to do is set the app pool to run in 32bit mode. I did that and It's still not working. What else could I check?

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• Are Plesk server backups useful?

  - by Michael T. Smith

  I'm working for a startup now, and I'm the programmer. Because of our small team size, I'm also handling the server management for now (until we get a dedicated server administrator.) I've never used Plesk before, and the server we're using (a Media Temple Dedicated Virtual server) had it installed when I got here. One of my first jobs was to set up backups: Plesk was already running it's nightly server-wide backups. I created a small script to dump the web app, it's DBs and any assets, tar them, store them, and then copy them to another small server we have (to backup the backups.) But, we're constantly running into hard drive space issues because of the Plesk backups. And I'm wondering, are they useful? If I have the web app and all of it's assets, I could easily enough get another server up and running. Do we need to keep running Plesk's backups? Thoughts?

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• I know it is a VLC know issue, but cant find a workaround

  - by Fladur

  I installed VLC player, because it works better that other video player on HD videos, but know I have an issue all most of my games (All of those using Bink Video, that means all Unreal Engine games, Call of duty, and more). When I load the game, I can hear the videos, the audio is working, so I know the videos is loading, but there is no image on the screen! Once I read that it was a known VLC issue with DivX or something like that, cant remember, does anyone, know a way to fix it? Thanks in advance

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• Write permission when mounting Windows shares from Ubuntu

  - by Ola Tuvesson

  I think I'm close to having my dev environment set up exactly the way I want, but one final snag remains. I'm running VirtualBox on a Windows 7 64bit host, with my dev enviroment inside a Ubuntu 12.04 guest. I want to keep the files for my projects on the host filesystem - partly so I can access them when the Ubuntu guest is not running, but also so I can use Tortoise and other Windows based tools (cough Photoshop), and it also eases my backup scheme somewhat. So I've got a folder "Rails" on my NTFS drive, which I've shared from the host with a user specifically created for the Ubuntu guest. The mount point has been set up and an entry added to fstab (cifs), using a credentials file and the options iocharset=utf8,file_mode=0777,dir_mode=07??77 This mounts fine and my Ubuntu user has both read and write permissions to the contents, but when I try to start my Rails app I get permission errors on any files the app needs to write to (e.g. the log file). What gives?

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• IIS NLB Web Farm to front Single Tomcat Instance

  - by Brent Pabst

  I've got a single Tomcat 6 server that hosts a JSP app. We just spun up a new IIS 7.5 web farm to host our other internal apps. Currently the machine that hosts Tomcat is also running IIS 7 with the ISAPI filter loaded to provide front-end handling for the JSP app. I'd like to move the IIS portion to the web farm to consolidate our IIS presence and let the Tomcat server just serve and run Java and Tomcat. Has anyone done this, is it even possible while ensuring session state is properly maintained? I had it up and running using the IIS Tomcat Connector http://tomcatiis.riaforge.org/ but after a while the communication between the boxes slowed and pages would not load. In addition it seemed like some of our authentication tickets were timing out. Thanks for any ideas or reference material!

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• Remove server from loadbalancer [on hold]

  - by Cris

  Our datacenter is load balancing the traffic to our weblogic servers based on an application deployed on each server called probe.ear It is a simple java app which is accessed by the loadbalancer and if it accessible it will redirect traffic to this server as well. When we want to remove one node from the loadbalancer we just stop the probe app and new traffic is not redirected to it BUT I am asking myself what about the current requests? The responses for the current requests are executed (completed). I did not had time to test (will do that first thing when go back to work) but on theoretical level for me it make sense to do so unless the loadbalancer has some special settings. Does my reasoning make sense to you? Just to make it clear since it was reported the question is not clear. Is there a way to configure a load balancer in a way that from a specific moment will not redirect traffic to a certain server without reseting the current requests ?

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• remove duplicates from contextual menu snow leopard

  - by sfactor

  i have a few cases in which i get the name of the same app twice in the contextual menu...how can i clean the contextual menu to not display duplicate nam

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• Google Talk and Video outside of GMail

  - by mankoff

  I'd like to use Google Talk/Video with having the full gmail or igoogle interface displayed. The ideal setup would be the lightweight popout interface (link below) in a small Fluid.app single instance browser as a stand-alone desktop app. If I log into GMail, the chat sidebar has a phone icon so I can use Google Voice, and a camera icon next to me and some of my contacts. If I log into iGoogle, the chat sidebar has a camera next to me and some contacts, but no phone. I would like to have video chat (and perhaps the phone option) elsewhere. Google provides a chat talkgadget popout URL: http://talkgadget.google.com/talkgadget/popout but there is no phone or camera icon accessible.

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• Using PC or Mac keyboard as Bluetooth keyboard for iPad?

  - by Kevin Hakanson

  I would like to use my computer keyboard (USB) as a Bluetooth keyboard for my iPad, while I am using it with my computer. I was hoping their was an "app for that" that I could run on either Mac or Windows. I imagine how it would work: It would have to emulate a Bluetooth keyboard, and be able to pair with the iPad. Then, when you give focus to this app, it transmits keystrokes from your built-in keyboard out over the Bluetooth connection. Seems simple, but I can't seem to find anything definitive on Google. Has anybody done this? I figure this is cheaper that buying a Apple iPad Keyboard Dock or a Apple Wireless Keyboard from the Apple Store. Also, it's one less item on my desk, which gets cluttered enough with one keyboard.

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• How hard for a Software Developer to Maintain a Server

  - by Samy

  I'm a software developer and don't have much experience as a sysadmin. I developed a web app and was considering buying a server and hosting the web app on it. Is this a huge undertaking for a web developer? What's the level of difficulty of maintaining a server and keeping up with the latest security patches and all that kind of fun stuff. I'm a single user, and not planning to sell the service to others. Can someone also recommend an OS for my case, and maybe some good learning resources that's concise and not too overwhelming.

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• hosting 2 webapps under 1 apache/tomcat

  - by mkoryak

  I am trying to host multiple webapps under tomcat 6 behind apache2 via mod_jk. I am at my wits end with this. the problem i am facing that both domains seems to point to a single tomcat 'domain'. my server.xml looks like this: <Service name="Catalina"> <Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" URIEncoding="UTF-8" redirectPort="8443" /> <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" /> <Connector port="8010" protocol="AJP/1.3" redirectPort="8443" /> <Engine name="Catalina" defaultHost="dogself.com"> <Realm className="org.apache.catalina.realm.UserDatabaseRealm" resourceName="UserDatabase"/> <Host name="dogself.com" appBase="webapps-dogself" unpackWARs="true" autoDeploy="true" xmlValidation="false" xmlNamespaceAware="false"> </Host> <Host name="natashacarter.com" appBase="webapps-natashacarter.com" unpackWARs="true" autoDeploy="true" xmlValidation="false" xmlNamespaceAware="false"> </Host> </Engine> </Service> my workers.properties looks like this: worker.list=dogself,natashacarter worker.dogself.port=8009 worker.dogself.host=dogself.com worker.dogself.type=ajp13 worker.natashacarter.port=8010 worker.natashacarter.host=natashacarter.com worker.natashacarter.type=ajp13 finally my apache vhosts look like this: <VirtualHost 69.164.218.75:80> ServerName dogself.com DocumentRoot /srv/www/dogself.com/public_html/ ErrorLog /srv/www/dogself.com/logs/error.log CustomLog /srv/www/dogself.com/logs/access.log combined JkMount /* dogself </VirtualHost> and <VirtualHost 69.164.218.75:80> ServerName natashacarter.com DocumentRoot /srv/www/dogself.com/public_html/ ErrorLog /srv/www/dogself.com/logs/error.log CustomLog /srv/www/dogself.com/logs/access.log combined JkMount /* natashacarter </VirtualHost> when i log into manager webapp on both dogself.com and natashacarter.com, i can deploy to a context path on dogself, and that same contextpath will appear on natashacarter - so i know for a fact that this is the same tomcat domain. edit: just found this in my mod_jk log [Sun Feb 20 21:15:43 2011] [28546:3075521168] [warn] map_uri_to_worker_ext::jk_uri_worker_map.c (962): Uri * is invalid. Uri must start with / [Sun Feb 20 21:16:44 2011] [28548:3075521168] [info] ajp_send_request::jk_ajp_common.c (1496): (dogself) all endpoints are disconnected, detected by connect check (1), cping (0), send (0) but not sure why dogself wouldnt respond please help a brother out

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• external pop email relay

  - by Pixman

  I want to offer to my customer this possibility : get her pop3 emails from external pop3 server forward the news emails to the new external pop3 server I have find lot of tools for sync imap accounts, or sync pop to imap, but i just want get pop and send to another email adress ! I search a answer for linux ( if i can make a simple daemon for make it's it's good ). Thanks a lot for your help. edit for more detail : For simplify my question, in my use case, it's just want to connect as client via pop protocol ( like a mail app ). And i check news emails, and forward to other email adress. I search about an app or code for create this on linux. In this situation have no access to mailbox dirs, or server configuration ( in this case i have already the answer by create a qmail hook ) Maybe, it's not the good website ? my question must be post on the stackoverflow part ?

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• How can I configure TomCat Java options in a config file?

  - by Kip

  I'm trying to configure Java options passed into TomCat for a 3rd party application that I'm deploying. The instructions that the app provides are: Open the Tomcat configuration tool from the Windows menu at Start All Programs Apache Tomcat Tomcat Configuration. Click Configure and select the Java tab. At the bottom of the Java Options field, enter the following: -Dexample.license.directory="C:\Program Files\example" Stop and restart the application server. However, I need to do this programmatically, so I'd like to know what config file these options can be set in. Using the GUI is impractical for deploying the app to other developers' environments. (I'm using Tomcat 6.0 if that is relevant...)

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