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• Why do I have no TTY on a basic Ubuntu 9.10 server install?

  - by pr1001

  I have reinstalled Ubuntu 9.10 Server several times on a bog standard 1RU server and each time I finish the install and reboot I see GRUB run and am then presented with a black screen. The machine is running just fine, as I am able to SSH in, but I can't see anything on the attached monitor. I have a simple LCD screen connected via VGA and a signal is apparently being output to it, as it doesn't go asleep. Looking at /var/log/syslog I see: Mar 24 14:57:44 bridge5 rsyslogd-2039: Could no open output file '/dev/xconsole' [try http://www.rsyslog.com/e/2039 ] However, I later see: Mar 24 14:57:44 bridge5 kernel: [ 0.001368] console [tty0] enabled Any thoughts? Thanks!

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• Error on rake command

  - by user332219

  Hi, Have you an idea about this error message when i run the rake db:migrate command under Aptana ? rake aborted! NoMethodError: undefined method `ord' for 0:Fixnum: SET SQL_AUTO_IS_NULL=0 Thanks Here My Config : Windows XP PRO SP2 Wamp 2.0 Aptana 2.0.4 RubyGems 1.3.5 Ruby 1.8.6

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• How to deny access to disabled AD accounts via kerberos in pam_krb5?

  - by Phil

  I have a working AD/Linux/LDAP/KRB5 directory and authentication setup, with one small problem. When an account is disabled, SSH publickey authentication still allows user login. It's clear that kerberos clients can identify a disabled account, as kinit and kpasswd return "Clients credentials have been revoked" with no further password / interaction. Can PAM be configured (with "UsePAM yes" in sshd_config) to disallow logins for disabled accounts, where authentication is done by publickey? This doesn't seem to work: account [default=bad success=ok user_unknown=ignore] pam_krb5.so Please don't introduce winbind in your answer - we don't use it.

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• How does Apache handle port forwarding?

  - by vfclists

  I setup a localhost portforwarding configuration in the coLinux .conf file, forwarding port 8090 to port 80 in the VM. When http://localhost:8090 is entered in the browser, I get the correct response from nginx, but with Apache the response get the error /htdocs not found in the log. However if I do a local port forwarding from 8090 to port 80 via SSH Apache responds fine. Is there something about the way Apache handles the port redirection that causes it to fail? PS, For those unfamiliar with coLinux it allows localhost connections to get to the VM by forwarding localhost ports on the Windows host to ports on the VM, as the 10.x.x.x IP it not accessible from the Windows host.

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• I am faceing problem with this error of struts application.

  - by Sanjeev

  I am using My-eclipse and doing a struts project there is no syntax error but on starting tomcat server the following error appear in console. java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory and javax.servlet.UnavailableException: Parsing error processing resource path jndi:/localhost/strutspro/WEB-INF/struts-config.xml any idea whats the problem.

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• Robotlegs with SwfSuspenders and AS3Signals

  - by eco_bach

  a bit confused as to how my XML config file would change when switching over to Signals. Right now the 3 framework Commands I am using are defined as follows. Both ViewChangedCommand and the InitViewCommand are mapped to custom events.

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• Where to store deployment scripts

  - by hyperboreean

  Assuming that I have the following directory structure for a Python project: config/ scripts/ src/ where should a fabric deployment script should go? I assume that it should be in scripts, obviously, but for me it seems more appropriate to store in scripts, the actual code that fires up the project.

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• Determine process using a port, without sudo

  - by pat

  I'd like to find out which process (in particular, the process id) is using a given port. The one catch is, I don't want to use sudo, nor am I logged in as root. The processes I want this to work for are run by the same user that I want to find the process id - so I would have thought this was simple. Both lsof and netstat won't tell me the process id unless I run them using sudo - they will tell me that the port is being used though. As some extra context - I have various apps all connecting via SSH to a server I manage, and creating reverse port forwards. Once those are set up, my server does some processing using the forwarded port, and then the connection can be killed. If I can map specific ports (each app has their own) to processes, this is a simple script. Any suggestions? This is on an Ubuntu box, by the way - but I'm guessing any solution will be standard across most Linux distros.

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• Solutions for exporting a remote desktop app (display and audio)

  - by Richard

  I'm looking for a solution that will allow me to export a desktop app running on a server to a client machine. The server is ideally Linux, the desktop is Windows (+Mac for icing on the cake). The export should be encrypted and I need to support multiple clients from one server. I only want to export an individual app, not a whole desktop, and ideally am looking for open source solutions. The obvious, cheapest, simplest choice is to use X tunnelled over ssh (e.g using Xming on the desktop) but X doesn't support audio. What are the alternatives? Or is there a way to support audio using X or in parallel to X? Thanks

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• vb.net creating and using namespace

  - by tridat

  I've googled for creation of namespaces and found some very useful examples, what these examples didn't have is how do I compile and implement my created namespace on my system so I can include it from my various applications. So for example, if I create a namespace to load a config file from my application path and insert it to an array, Do i need to include the namespace on any project I use or is there a way to make it part of my environment?

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• set validatorcontrol.setfocusonerror="true" for all validator controls in asp.net website

  - by Rohit

  We are about to release beta version of our website. Lately we have seen that developers have not set setfocusonerror on any of the validaor controls used.We have to set this property. Now, one solution is to open every page and put this property in place. I am looking for some othe way like some configuration in web.config or some other quick solution. I have usercontrols and pages. Page derive from base page.Please suggest.

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• Whats the significance of creating three db's in ruby and rails.

  - by piemesons

  Hello friends i am moving from php to ruby on rails. Suppose u want to create a application in ruby on rails rails depot -d mysql This will create a application depot with database mysql right..!!! Now config/database.yml has a definition of three databases ie depot_development, depot_test and depot_production under environment development , test and production respectiviely Whats the significance of creating these three databases.. (Please explain considering this is my first day with ruby on rails and i am takin help from Agile Web Development with Rails)

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• virsh console and tty size

  - by pehrs

  I have a virtualization server to which I connect over ssh. If I now change the size of the window it will automatically propagate to the server. It's most easily seen using stty -a, checking the columns and row values. I then use virsh console to connect to the serial interface on a KVM based virtual machine. When I now change the size of the window it does not propagate to the virtual server. This is most easily seen by checking stty -a, which is not updated on the virtual machine when I change window size. This means that line breaks does not work correctly in the terminal and any application that relies on window size for formatting (emacs, man, etc) gets messed up unless the window size on the client matches the default size on the server. A workaround is to manually set the window size to match the client window using stty, but I wonder if there is any way to get this information to propagate and set the window size in the virtual machine automatically.

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• How to set umask for a folder and it's subfolder?

  - by Cyril N.

  I'm working on the same directory with some friends and they access it via SSH. I added us in the same group and defined a sticky bit to keep the user:group values the same. But when a user create a file/folder, the Write attribute is not defined for the group, disabling other to write it/on it. How can I define the Umask to add the Write value for groups in the specific directory and it's subfolders ? I tried to find some help before, but I only saw helps for Fedora/CentOs, and I'm using Debian Squeeze. Thanks for your help

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• apache url / filename with special characters

  - by Mario Delgado

  I have this url: http://domain.com/wp-content/uploads/2012/10/Hvilke-vilkår-følger-med-når-du-bestiller-nyt-bredbånd.png If I ftp/ssh or just browse to that folder (apache index feature), I see the file Hvilke-vilkår-følger-med-når-du-bestiller-nyt-bredbånd.png If I click on the link from the apache index, I can see the file, however, if I copy the URL and try to browse to it directly, I get the error: The requested URL /wp-content/uploads/2012/10/Hvilke-vilkÃ¥r-følger-med-nÃ¥r-du-bestiller-nyt-bredbÃ¥nd.png was not found on this server. Also my error log says: File does not exist: /wp-content/uploads/2012/10/Hvilke-vilk\xc3\xa5r-f\xc3\xb8lger-med-n\xc3\xa5r-du-bestiller-nyt-bredb\xc3\xa5nd.png

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• scp -q isn't quiet between different hosts

  - by pythonic metaphor

  So scp -q file host:file and scp -q host:file file are both quiet, i.e. don't give the progress meter. But when I run scp -q host1:file host2:file, I still get the progress meter as well as a Connection to host1 closed. message. The progress meter can be gotten rid of by redirected stdout to /dev/null (although I'd rather not have to), but the connection closed messages comes on stderr, which I definitely want to keep in case there's a real error. How can I make scp quiet? Do I have to run ssh host1 "scp -q file host2:file"?

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• Web GUI for editing INI files

  - by Tom

  I am looking for a Unix based application or framework that would allow me to view/edit ini files on a remote system in a Html GUI via Apache (or similar). Searching for ini/config/GUI solutions via search engines returns a lot a false positives. Any recommendations?

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• VMware postfix server drops connection

  - by nicoX

  Our physical server godzilla forwards mails to our virtuall VMware server b4. They are on the same net. Often connection drops, we can't ping godzilla with our b4. That means mails from godzilla won't reach b4 and the mails will be in handed into the mailq. Sometimes it takes some hours and the issue will auto fix itself, b4 will wake up and the mail will be delivered. Another thing if we remotely ssh into the b4, the b4 will wake up and and receive any mailq mails from godzilla and deliver them. netadmin@b4:/var/log$ arp -a ? (192.168.209.80) at 00:1E:C9:AE:79:9D [ether] on eth0 root@godzilla:/usr/local/bin# arp -a ? (192.168.209.20) at 00:50:56:91:7d:b2 [ether] on eth0

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• Deploying patches and new versions.

  - by 0plus1

  I'm deveoping a big project, I have the dev folder (connected to a specific subdomain) then the "real" folder, the live one. When I'm ready to push patches or whole new versions I'm currently copying the files individually, is there a program that can help me do this task? Keep in mind that some files (the config one and the htacess) must never change in the live version. Thank you

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• no such file to load -- rails (MissingSourceFile)... say what?!!

  - by Julian

  Hello, I'm having an obnoxious and weird problem while trying to include the ThinkingTank gem into my rails project. When I include gem 'thinkingtank' in my project's Gemfile I get the following error: ~/.rvm/gems/ree-1.8.7-2010.01/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in `require': no such file to load -- rails (MissingSourceFile) from ~/.rvm/gems/ree-1.8.7-2010.01/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in `require' from ~/.rvm/gems/ree-1.8.7-2010.01/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:521:in `new_constants_in' from ~/.rvm/gems/ree-1.8.7-2010.01/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:156:in `require' from ~/.rvm/gems/ree-1.8.7-2010.01/gems/thinkingtank-0.0.5/lib/thinkingtank.rb:1 from ~/.rvm/gems/ree-1.8.7-2010.01/gems/bundler-1.0.7/lib/bundler/runtime.rb:64:in `require' from ~/.rvm/gems/ree-1.8.7-2010.01/gems/bundler-1.0.7/lib/bundler/runtime.rb:64:in `require' from ~/.rvm/gems/ree-1.8.7-2010.01/gems/bundler-1.0.7/lib/bundler/runtime.rb:62:in `each' from ~/.rvm/gems/ree-1.8.7-2010.01/gems/bundler-1.0.7/lib/bundler/runtime.rb:62:in `require' from ~/.rvm/gems/ree-1.8.7-2010.01/gems/bundler-1.0.7/lib/bundler/runtime.rb:51:in `each' from ~/.rvm/gems/ree-1.8.7-2010.01/gems/bundler-1.0.7/lib/bundler/runtime.rb:51:in `require' from ~/.rvm/gems/ree-1.8.7-2010.01/gems/bundler-1.0.7/lib/bundler.rb:112:in `require' from ~/git/myproject/config/boot.rb:121:in `load_environment' from ~/.rvm/gems/ree-1.8.7-2010.01/gems/rails-2.3.5/lib/initializer.rb:137:in `process' from ~/.rvm/gems/ree-1.8.7-2010.01/gems/rails-2.3.5/lib/initializer.rb:113:in `send' from ~/.rvm/gems/ree-1.8.7-2010.01/gems/rails-2.3.5/lib/initializer.rb:113:in `run' from ~/git/myproject/config/environment.rb:9 from ~/.rvm/rubies/ree-1.8.7-2010.01/lib/ruby/1.8/irb/init.rb:254:in `require' from ~/.rvm/rubies/ree-1.8.7-2010.01/lib/ruby/1.8/irb/init.rb:254:in `load_modules' from ~/.rvm/rubies/ree-1.8.7-2010.01/lib/ruby/1.8/irb/init.rb:252:in `each' from ~/.rvm/rubies/ree-1.8.7-2010.01/lib/ruby/1.8/irb/init.rb:252:in `load_modules' from ~/.rvm/rubies/ree-1.8.7-2010.01/lib/ruby/1.8/irb/init.rb:21:in `setup' from ~/.rvm/rubies/ree-1.8.7-2010.01/lib/ruby/1.8/irb.rb:54:in `start' from ~/.rvm/rubies/ree-1.8.7-2010.01/bin/irb:17 The output from ruby -v is: ruby 1.8.7 (2009-12-24 patchlevel 248) [i686-darwin10.6.0], MBARI 0x6770, Ruby Enterprise Edition 2010.01 And the output from rails -v is: Rails 2.3.5 I've followed the basic guidelines from their documentation and from similar SA questions. But none of issues have the rails gem going missing.. And yes, we are including rails in our Gemfile =) Thank you in advance.

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• Escape hyperlink with exclamation marks in php.ini

  - by Ciaran McNulty

  I have a config file that takes text warnings like follows: warnings.1 = Please check the date These are presented to the user as HTML. I need to embed a hyperlink like the following: warnings.1 = <a href="http://foo.com/!FOO!/">check with foo</a> I can't for the life of me figure out how to escape this such that parse_ini_file() can read it and get that string the way I want.

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• Problem running application on windows server 2008 instance using amazon ec2 service and WAMP

  - by Siddharth

  I have a basic (small type) windows server 2008 instance running on amazon ec2. I've installed WAMP server on to it, and have also loaded my application. I did this using Remote desktop Connection from my windows machine. I'm able to run my application locally on the instance, however when I try to access it using the public DNS given to it by amazon, from my browser, I'm unable to do so. My instance has a security group that is configured to allow HTTP, HTTPS, RDP, SSH and SMTP requests on different ports. In fact I have the exact same security group as the one used in this blog, http://howto.opml.org/dave/ec2/ I did almost everything same as the blog, except for using a different Amazon Machine Image. This is my first time using amazon ec2, and i can't figure out what I'm doing wrong here

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• Ethernet port sleeping on PS3 running linux

  - by Doug

  My lab has a PS3 running Ubuntu Linux 9.04 Server Edition. After a period of a few hours with no use, the Ethernet connection (eth0) seems to go to sleep, causing the connection to be lost. Pinging or trying to SSH into the machine results in no response. The fix I've been using is to access the machine locally and restart it (trying to bring eth0 down then up doesn't seem to correct it). I've tried setting up an hourly cron job that runs on the PS3 and pings another machine just to create network activity, but this doesn't seem to solve the problem either. Update: The solution was to run the above cron job much more frequently: every 10 minutes works.

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• How do I solve "405 Method Not Allowed" for our subversion setup?

  - by macke

  We're serving our source code using VisualSVN running on Windows Server 2003. Recently, we split a portion of a project into a new project in it's own repository, and then linked it back to the original project using svn:externals. Since then, we've been having issues when we try to commit files with Subclipse. The error we're getting is: svn: Commit failed (details follow): svn: PROPFIND of '/svn': 405 Method Not Allowed (https://svn.ourserver.com) Googling for a while didn't really help, our config seems to be correct. It should also be noted that we've been running this server for a while no without these problems and apart from splitting the project into two repositories, no changes have been made to the server (ie, config files are the same). It should also be noted that these errors only appear when we try to check in multiple files at once. If we check in one file at a time there are no errors. Also, it only appears in Subclipse as far as we know right now, Versions.app (OS X) seems to work fine so that is our current workaround. So, the questions is how do I analyze the error to find the cause and subsequently fix it? I'm by no means a svn guru and right now I'm clueless. EDIT: It seems we can check in multiple files in the same package, but not files from multiple packages. Also, when I "split" the project into two repositories, I imported the original repository with a new name. I did not do a dump and then import that dump. Could that be the source of our issues, and if so, how would I solve that? EDIT: After some jerking around it seems as though it is indeed related to when checking in files in different repositories. If I try to do a single commit in both Repo A and Repo B (referenced by svn:externals) at the same time, I get the error. Versions.app handles this correctly, but I guess it might just be doing two commits, not a single one. Subclipse fails miserably. For now, we simply do multiple commits, one for Repo A and one for Repo B, that works just fine. If anyone smarter than me could fill in the details why this is happening, whether or not this kind of setup is stupid etc, please go right ahead.

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• Xterm is not completely erasing field lines

  - by user26367

  We have a SSH tunnel to a remote unix box from Windows clients using Cygwin. It launches a terminal program from the unix box locally on the Windows box for data input. The xterm window is launched as follows xterm -fn 10x20 -bg DodgerBlue4 -fg white -cr white -ls -geometry 90x30 -e program When a screen goes from read only mode to edit mode, the edit fields have ____. When going back to read only mode, a single pixel artifact is left behind for each field. *readonly* User: *edit* User: ___________ *after edit exit* User: . <- this dot is left behind Any idea what we need to change to fix this?

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