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• Setting up ubuntu as a wireless accesspoint

  - by nixnotwin

  I have an android phone which doesn't connect to ad-hoc networks. I use ad-hoc network to share internet among my pcs. I want to setup my ubuntu laptop as a wireless access point. But I don't want my ubuntu laptop to be a router as described here as I'll be using suid3 as a http proxy. It should be just a wireless accesspoint which broadcasts it's SSID like a home wireless router. The ubuntu laptop has athros wireless card which requires athk9 driver.

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• Default program startup display

  - by Tony Martin

  I have a dual display setup and would like to be able to set which display a piece of software starts on. Most software seems to return to the last display but Stellarium always starts in the primary display. Does Linux have a way of forcing the startup display or is it something the individual program has to manage? Thanks. EDIT And with no changes on my part Stellarium is behaving nicely and remembering which screen it was on. Still nice to know if there is a way of forcing this.

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• Should tests be in the same Ruby file or in separated Ruby files?

  - by Junior Mayhé

  While using Selenium and Ruby to do some functional tests, I am worried with the performance. So is it better to add all test methods in the same Ruby file, or I should put each one in separated code files? Below a sample with all tests in the same file: # encoding: utf-8 require "selenium-webdriver" require "test/unit" class Tests < Test::Unit::TestCase def setup @driver = Selenium::WebDriver.for :firefox @base_url = "http://mysite" @driver.manage.timeouts.implicit_wait = 30 @verification_errors = [] @wait = Selenium::WebDriver::Wait.new :timeout => 10 end def teardown @driver.quit assert_equal [], @verification_errors end def element_present?(how, what) @driver.find_element(how, what) true rescue Selenium::WebDriver::Error::NoSuchElementError false end def verify(&blk) yield rescue Test::Unit::AssertionFailedError => ex @verification_errors << ex end def test_1 @driver.get(@base_url + "/") # a huge test here end def test_2 @driver.get(@base_url + "/") # a huge test here end def test_3 @driver.get(@base_url + "/") # a huge test here end def test_4 @driver.get(@base_url + "/") # a huge test here end def test_5 @driver.get(@base_url + "/") # a huge test here end end

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• Postfix SMTP-relay server against Gmail on CentOS 6.4

  - by Alex

  I'm currently trying to setup an SMTP-relay server to Gmail with Postfix on a CentOS 6.4 machine, so I can send e-mails from my PHP scripts. I followed this tutorial but I get this error output when trying to do a sendmail [email protected] Output: tail -f /var/log/maillog Apr 16 01:25:54 ext-server-dev01 postfix/cleanup[3646]: 86C2D3C05B0: message-id=<[email protected]> Apr 16 01:25:54 ext-server-dev01 postfix/qmgr[3643]: 86C2D3C05B0: from=<[email protected]>, size=297, nrcpt=1 (queue active) Apr 16 01:25:56 ext-server-dev01 postfix/smtp[3648]: 86C2D3C05B0: to=<[email protected]>, relay=smtp.gmail.com[173.194.79.108]:587, delay=4.8, delays=3.1/0.04/1.5/0.23, dsn=5.5.1, status=bounced (host smtp.gmail.com[173.194.79.108] said: 530-5.5.1 Authentication Required. Learn more at 530 5.5.1 http://support.google.com/mail/bin/answer.py?answer=14257 qh4sm3305629pac.8 - gsmtp (in reply to MAIL FROM command)) Here is my main.cf configuration, I tried a number of different options but nothing seems to work: alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 html_directory = no inet_interfaces = localhost inet_protocols = ipv4 mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost myhostname = host.local.domain myorigin = $myhostname newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES relayhost = [smtp.gmail.com]:587 sample_directory = /usr/share/doc/postfix-2.6.6/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = noanonymous smtp_sasl_tls_security_options = noanonymous smtp_sasl_type = cyrus smtp_tls_CAfile = /etc/ssl/certs/ca-bundle.crt smtp_use_tls = yes smtpd_sasl_path = smtpd unknown_local_recipient_reject_code = 550 In the /etc/postfix/sasl_passwd files (sasl_passwd & sasl_passwd.db) I got the following (removed the real password, and replaced it with "password"): [smtp.google.com]:587 [email protected]:password To create the sasl_passwd.db file, I did that by running this command: postmap hash:/etc/postfix/sasl_passwd Do anybody got an idea why I can't seem to send an e-mail from the server? Kind Regards Alex

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• How to install Netgear N-300 UAB adapter WNA3100 on Ubuntu 12.04

  - by JacobusR

  After a fresh install of Ubuntu 12.04, the first thing I'm trying to do, is to setup my wireless adapter. I can see it using lsusb: beer@beer-linux:~$ lsusb ... Bus 002 Device 006: ID 0846:9020 NetGear, Inc. WNA3100(v1) Wireless-N 300 [Broadcom BCM43231] ... I have found a lot of dated instructions on the net and just wanted to know what the right way is to set it up on 12.04. I don't want to mess up a brand new install by tweaking things that don't need tweaking. According to most posts, you have to install the Windows drivers using the ndiswrapper package. Is this still the right way to go? If so, it would be great if someone could write down the steps to do this under 12.04

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• Where do my programs get installed?

  - by Micah

  Coming from windows I'm used to having everything installed in c:\program files\company\product. On Ubuntu I'm totally stumped. It seems like everything I install winds up somewhere different. Somethings are in /bin some in /home/myuser and others in /etc or /usr. I can't seem to figure this out. In particular I'm trying to find where they're located so I can either setup shortcuts on the task bar or associate them with other programs (like my greasemonkey editor) but I'm not having any luck.

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• What are good JS libraries for game dev?

  - by acidzombie24

  If I decide to write a simple game both text and graphical (2d) what libraries would I use? (Assume we are using a HTML5 compatible browser) The main things I can think of Rendering text on screen Animating sprites (using images/css) Input (capturing the arrow keys and getting relative mouse positions) Perhaps some preloading resource or dynamically loading resources and choosing order Sound (but I am unsure how important this will be to me at first). Perhaps with mixing and chaining sounds or looping forever until stop. Networking (low priority) to connect a user to another or to continuously GET data without multiple request (I know this exist but I don't know how easy it is to setup or use. But this isn't important to me. Its for the question).

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• AppFabric &ndash; where are all the monitoring events?

  - by Shawn Cicoria

  When you’ve just gone through a setup of AppFabric and you’ve got some WF/WCF things happening, if you start looking at the Dashboard and you see nothing, it might be as simple as restarting SQL Agent. I generally don’t reboot my system for several days and after installing AppFabric the SQL Agent jobs didn’t start firing right away.  Yes, even running a boot to VHD, you can still put the machine to sleep (just logoff and click on Sleep)… So, after spending time looking through the SQL monitoring DB that AppFabric was configured to use, I saw a bunch of records in the [AppFabric_Monitoring].[dbo].[ASStagingTable] table.  This table is the stopping point before the SQL Agent job (or Service Broker in SQL Express) pushes the items to their final resting place. This post goes through a few things to check on AppFabric monitoring http://social.technet.microsoft.com/wiki/contents/articles/appfabric-items-to-check-when-configuring-appfabric-monitoring.aspx Of course, during development you might want to clean up regularly For that there’s the PowerShell command Clear-AsMonitoringSqlDatabase -Database AppFabric_Monitoring

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• Upload Recordings Of The Problem To Your SR

  - by bseckin

  Do you find yourself trying several times to explain a problem in a Service Request? Does the support engineer ask more than once for clarification? If so, you might be interested in DITO -- Demo It To Oracle. DITO uses CamStudio (free download!) to record the exact nature of the problem, and upload the output to your SR. The following articles provide more details: Working with Support - MOSSOS (Doc ID 1265130.1) "Demo It To Oracle" (DITO) - CamStudio Help (Doc ID 11.1) Why take up valuable time first explaining the problem, then trying to get a web conference setup to show exactly what is going on? The next time you file an SR, try including a recording showing exactly which application is failing, where it is failing, and what it looks like when it fails.

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• How do I disable changing proxy settings?

  - by gap

  I've got several machines, running 14.04.1, for kids to access. Each machine has accounts for each kid, as well accounts for several adults. Although I've set a system wide proxy use policy, it doesn't get used by Chrome. Instead, I had to log into each kids account and set a proxy use policy, pointing to tinyproxy/dansguardian, for safe internet access. The problem is that, should the kids get an ounce of computer savvy, they'll figure out that they can launch the proxy settings config panel from Unity, then change the proxy settings to None, and completely bypass the "safe" internet scheme I've setup. Can anyone tell me how I can disable those user accounts from being able to modify their proxy settings (not the "system wide" ones... those arent used.. this is the per-user settings). Thanks

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• Oracle Database Appliance Technical Boot Camp

  - by mseika

  Oracle Database Appliance Technical Boot Camp Wednesday 19th September 9.30 – 16.30 This session is designed to give our partners detailed sales and technical information to familiarise themselves with the Oracle Database Appliance. It is split into two sessions, the first aimed at sales and pre-sales technical support, and the second aimed at pre-sales and technical implementation staff. The agenda is as follows: Part 1 Oracle Engineered Systems Introducing the Oracle Database Appliance What is the target market? Competitive positioning Sales Plays Up sell opportunities Resell requirements and process Part 2 Hardware internals Download the appliance software kit Disabling / enabling cores Configuration and setup Oracle 11g R2 overview Backup strategies Please register here.

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• How do I port my Ubuntu from my Desktop to Laptop

  - by Bragboy

  Hi, I am currently using Ubuntu 10.04 installed on my desktop box. I have got a new laptop and I will be using it from now on. But I will have to do the setup all over again (setting up applications/updates). Plus many of my preferences and tweaks I've had in my desktop will be lost and those too I will have to all over again. Is there an easy way where I can just take image or something and use it in my laptop?? Any help/pointers/links are much appreciated.

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• Dual Booting Windows 8 and Ubuntu 12.10 - thinkpad x230

  - by user110703

  I am having problems getting grub to load Windows 8 properly after installing Ubuntu 12.10 and Windows 8 on a solid state drive. Here's what I did: Fresh install of Windows 8 using USB recovery drive (partitioned SSD for UEFI) -- Tested windows install and it worked fine Built bootable USB with Ubuntu 12.10 64bit and installed Ubuntu -- Used Ubuntu's installer to partition the Windows 8 partition and install there Reboot - try to load windows 8 from grub -- Ubuntu loads correctly; windows load reports various problems with permissions and not being able to find files - I'll update what the actual errors are Tried to fix the boot problem using boot-repair: -- here's the output: http://paste.ubuntu.com/1384522/ So, this is my first time trying to setup a dual boot system and I think that UEFI is the main culprit in getting this to work correctly. What do I need to

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• (help help!!!) Easy_install the wrong version of python modules (Mac OS)

  - by user71415

  I installed Python 2.7 in my mac. When typing "python" in terminal, it shows: Ma-Xiaolongs-MacBook-Pro-2:~ MaXiaolong$ python Python 2.7 (r27:82508, Jul 3 2010, 20:17:05) [GCC 4.0.1 (Apple Inc. build 5493)] on darwin Type "help", "copyright", "credits" or "license" for more information. The Python version is correct here. But when I try to easy_install some modules. The system will install the modules with python version 2.6 which are not able be imported to Python 2.7. And of course I can not do the functions I need in my code. Here's an example of easy_install graphy: Ma-Xiaolongs-MacBook-Pro-2:~ MaXiaolong$ easy_install graphy Searching for graphy Reading pypi.python.org/simple/graphy/ Reading http://code.google.com/p/graphy/ Best match: Graphy 1.0.0 Downloading http://pypi.python.org/packages/source/G/Graphy/Graphy- 1.0.0.tar.gz#md5=390b4f9194d81d0590abac90c8b717e0 Processing Graphy-1.0.0.tar.gz Running Graphy-1.0.0/setup.py -q bdist_egg --dist-dir /var/folders/fH/fHwdy4WtHZOBytkg1nOv9E+++TI/-Tmp-/easy_install-cFL53r/Graphy-1.0.0/egg-dist-tmp-YtDCZU warning: no files found matching '.tmpl' under directory 'graphy' warning: no files found matching '.txt' under directory 'graphy' warning: no files found matching '.h' under directory 'graphy' warning: no previously-included files matching '.pyc' found under directory '.' warning: no previously-included files matching '~' found under directory '.' warning: no previously-included files matching '.aux' found under directory '.' zip_safe flag not set; analyzing archive contents... graphy.all_tests: module references file Adding Graphy 1.0.0 to easy-install.pth file Installed /Library/Python/2.6/site-packages/Graphy-1.0.0-py2.6.egg Processing dependencies for graphy Finished processing dependencies for graphy So it installs graphy for python 2.6. Can someone help me with it? I just want to set my default easy_install version as 2.7... Thank you very much!!!!!!

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• Getting "boot error" when trying to boot from USB

  - by Jon Ball

  I'm wanting to try out Ubuntu, so followed the instructions for how to install Ubuntu onto a USB. I downloaded the .iso file, then the pendrivelinux 3 part process to make the USB bootable. I can see what looks like a full list of files on the USB (including the wubi.exe application and the syslinux folder). When I try to restart the computer with the USB in, I get the Dell start up screen, and then a black screen with "Boot Error" in the top right hand corner. Setup options (default) are to boot from Removable Device, then Hard Disc. USB is brand new, straight out of the packet. Computer: Dell Inspiron 530S BIOS: 1.0.13 OS: Windows Vista Home Edition USB: EMTEC 8Gb, formatted to FAT32 I've tried some of the tips in other help topics (holding down CTRL key while restarting, removing all other USB devices). I tried to reformat the USB to something other than FAT32, but my only other options were NTFS or exFAT (not FAT16 which was suggested in another topic).

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• Ubuntu installation accuses false RAID

  - by rOim

  I'm trying to install a Ubuntu 12.04/Win7 dual boot on my machine (with 2 750GB HDs). Problem is, during the partitioning, the installation says I'm using RAID, and shows only one HD, with 1.5TB. I have, however, disabled raid on the setup, and installed Windows 7 only on HD 1, and want to keep Ubuntu to HD 2. I'm afraid to "resize" the partitions using the installer since that could mess my win7 installation. I did try to use the alternate installer, but had the same results.

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• MAAS fails to Commission nodes

  - by user3644848

  I'm evaluating MaaS/Juju. I followed instructions in this link http://maas.ubuntu.com/docs1.5/install.html to setup MaaS. I'm running this in Oracle VirtualBox environment so Power options are not configured for the VMs. PXE booting VM works fine. The node shuts down itself and registers with MaaS in Declared state. Issues: a) When I Commission the VM (which is in the Declared state), first it gets IP-Config: no response after 60 secs - giving up errors. (See link below for a screenshot). b) Fails to mount the boot device and drops into initramfs prompt. I've copied logs here: https://www.dropbox.com/sh/5gy9nnonbnccufo/AAD9o4awSOtyaCCmRe5q7rBva Any help to get past this is greatly appreciated. Thanks!

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• DockbarX inside AWN, preview window shifted on dual-screen after shifting from single-screen.

  - by naaronne

  I've been running dockbarx in AWN for sometime now. I started using dual-screens and started seeing a problem with the window preview. When I hover over the dockbarx icon to see the preview it appears on the other monitor. I'm assuming that this is due to it still thinking there is only one monitor. I was hoping someone new of a gconf-editor setting that I could set with the rest of my screen that changes my laptop from internal monitor to my dual-screen setup. Thanks in advance.

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• Where to put the SPF TXT record?

  - by YellowSquirrel

  I've set up Google apps for my domain: I've registered the domain with Google by adding the CNAME Google asked and I've apparently succesfully setup the MX Google mail servers. So far I haven't yet a dedicated server: I'm just having a domain at a registrar. Now I want to activate SPF and I'm confused. In the following short webpage: http://www.google.com/support/a/bin/answer.py?answer=178723 it is written that I must add a TXT record containing: v=spf1 include:_spf.google.com ~all Where should I enter this? Should this go in the zone (?) file, like I did for the CNAME and the MX records? So far I have something like this: @ 10800 IN A 217.42.42.42 @ 10800 IN MX 5 ASPMX3.GOOGLEMAIL.COM. @ 10800 IN MX 5 ASPMX2.GOOGLEMAIL.COM. @ 10800 IN MX 3 ALT2.ASPMX.L.GOOGLE.COM. @ 10800 IN MX 3 ALT1.ASPMX.L.GOOGLE.COM. @ 10800 IN MX 1 ASPMX.L.GOOGLE.COM. google8a70835987f31e34 10800 IN CNAME google.com. Does adding the SPF TXT record mean I should literally have something like that: @ 10800 IN A 217.42.42.42 @ 10800 IN MX 5 ASPMX3.GOOGLEMAIL.COM. @ 10800 IN MX 5 ASPMX2.GOOGLEMAIL.COM. @ 3600 IN TXT "v=spf1 include:_spf.google.com ~all" @ 10800 IN MX 3 ALT2.ASPMX.L.GOOGLE.COM. @ 10800 IN MX 3 ALT1.ASPMX.L.GOOGLE.COM. @ 10800 IN MX 1 ASPMX.L.GOOGLE.COM. google8a70835987f31e34 10800 IN CNAME google.com. I made that one up and included right in the middle to show how confused I am. What I'd like to know is the exact syntax and where/how I should put this TXT record.

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• How to replace GRUB with BURG without overwriting MBR?

  - by StepTNT

  I'd like to install BURG but I don't want it to overwrite my MBR. That's because I've got two bootloaders in my system : Default Windows 7 in MBR Grub in /dev/sda2 With the first power button, it will boot into Windows and with the second button it boots from /dev/sda2, loading Grub and then Kubuntu. Now I want to replace GRUB with BURG. I've installed Burg with burg-install /dev/sda2 --force because I don't want my MBR to be overwritten (pressing the first power button MUST load Windows and avoid showing any sign of Linux). Setup was completed without errors, If I open burg-manager it loads my settings, allowing me to change them and to test everything with burg-emu, so I've changed my settings but the second power button still loads GRUB (Even a different version from the default Kubuntu one). How can I replace GRUB that's on /dev/sda2 with BURG and without overwriting MBR?

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• What is a good robots.txt for WP ?

  - by Steven

  What is the "best" setup for robots.txt? I'm using the following permalink structure in Wordpress: /%category%/%postname%/. My robots.txt currently looks like this (copied from somewhere a long time ago): User-agent: * Disallow: /cgi-bin Disallow: /wp-admin Disallow: /wp-includes Disallow: /wp-content/plugins Disallow: /wp-content/cache Disallow: /wp-content/themes Disallow: /trackback Disallow: /comments Disallow: /category/*/* Disallow: */trackback Disallow: */comments I want my comments to be indext. So I can remove this, right? Do I want to disallow indexing categories because of my permalinkstructure? An article can have several tags and be in multiple categories. This may cause duplicates in google. How should I work around this? Would you change anything else here?

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• Custom keybindings without gnome-settings-daemon

  - by Carlito

  I am using Ubuntu 12.04 (Fallback) and I am trying to slim it down, mostly for fun/learning experience. I killed gnome-settings-daemon because I set up my theming from elsewhere. But now some of my keybindings are lost. I think the windowmanager ones are still working, like Alt-Tab and switch workspace. But my mediakeys to change volume and my custom keybindings are not working anymore. Is there a different way to save custom keybindings? Do I really need to run settings-manager to setup my keybindings?

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• UPK Pre-Built Content Update

  - by Karen Rihs

  UPK pre-built content development efforts are always underway and growing. Over the last few months, the following new and upgraded modules became available:  NEW CONTENT RELEASES E-Business Suite 12.1 Field Service Manufacturing Operations Center Process Manufacturing:  System Administration Strategic Network Optimization U.S. Federal Financials Oracle Communications 11.1 Oracle Communications UPK for Pricing Design Center, Voice and Data Offerings Oracle Mobile Workforce 2.1.0 Administrative Setup User Tasks Primavera Primavera Portfolio Management 9.0 UPK CONTENT UPGRADES JDE E1 9.1 HCM Fundamentals for EnterpriseOne Manufacturing - Product Data Management Manufacturing Management Discrete Shop Floor Management Procurement and Subcontract Management JDE World A9.3 Accounts Payable Address Book  Common Foundation General Ledger For a list of modules currently available for each product line, visit the UPK Resource Library on Oracle.com. For more information on how your organization can take advantage of UPK pre-built content, see our previous blog,  The Value of UPK Pre-Built Content. - Karen Rihs, UPK Outbound Product Management

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• How come I can not install plugins on my local Wordpress install?

  - by classer

  Hello, I got WordPress up and running fine on Ubuntu 10.04 by using this source except that when I try to update and install themes/plugins I get this following error message in wp-admin page: Installing Plugin: WordPress.com Stats 1.8.1 Downloading install package from http://downloads.wordpress.org/plugin/stats.1.8.1.zip… Unpacking the package… Could not create directory. /var/www/wordpress/wp-content/upgrade/stats.tmp/stats Actions: Return to Plugin Installer At first I thought I had to setup an FTP account but searched more and I found some information that says that I need to change the permissions of the wp-content folder which is located in the directory: /var/www/wordpress/wp-content I tried changing it by doing: sudo chmod -R 777 wp-content/ but when I tried installing a plugin I got the same error message. I also tried passing it 755 as a permission but still got the same thing. I settled on 755 because it is more secure I have read. How can I solve this problem safely and securely?

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• Celery daemon as a Ubuntu service does not consume tasks while running from terminal does

  - by Guy

  On Ubuntu 11.10, I have to issue python tasks from django using celery. I'm currently testing on the same machine but eventually the celery worker should run on a remote machine. django uses the following settings: BROKER_HOST = "127.0.0.1" BROKER_PORT = 5672 BROKER_VHOST = "/my_vhost" BROKER_USER = "celery" BROKER_PASSWORD = "celery" I can also see my task queued in http://localhost:55672/#/queues the celery daemon uses the following configuration (celeryconfig.py): BROKER_HOST = "127.0.0.1" BROKER_PORT = 5672 BROKER_USER = "celery" BROKER_PASSWORD = "celery" BROKER_VHOST = "/my_vhost" CELERY_RESULT_BACKEND = "amqp" import os import sys sys.path.append(os.getcwd()) CELERY_IMPORTS = ("tasks", ) running celeryd -l info works well and now I want to run it as a service. I've followed the instructions from http://ask.github.com/celery/cookbook/daemonizing.html and now I'm trying to run it using: sudo /etc/init.d/celeryd start But the message is not being consumed, no error in the celery log either. /etc/default/celeryd CELERYD_NODES="w1" CELERYD_CHDIR="/path/to/django/project" CELERYD_OPTS="--time-limit=300 --concurrency=1" CELERY_CONFIG_MODULE="celeryconfig" # %n will be replaced with the nodename. CELERYD_LOG_FILE="/var/log/celery/%n.log" CELERYD_PID_FILE="/var/run/celery/%n.pid" # Workers should run as an unprivileged user. CELERYD_USER="celery" CELERYD_GROUP="celery" I've also created user celery in Ubuntu not sure if its necessary. Any help will be appreciated, Thanks, Guy

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