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• Ubuntu firefox: some web-pages stuck on loading

  - by kristaps.skujins

  Just installed Ubuntu 10.04 beta, installation went fine and all programs are working smooth. Just this one weird network problem. Some sites simply are not opening and loading forever. For example, google.com and youtube are working well, but ubuntu.com and many other are not opening at all, or are loaded partly. One thing i noticed is that on all of those pages on firefox status bar is message "Looking up for www.google-analytics.com" (or similar remote resources) message appearing all the time (even on this page, but it somehow has loaded and working). I should mention that i tried those pages to open on windows OS on this same machine, and they opened without problems. So i am guessing that it has to be some sort of network configuration problems on Ubuntu. What could cause such problem?

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• RHEL raw device (over VMware RDM) performance issues

  - by jifa

  I'm running RHEL 5.3 over vSphere 4.0U1. I configured multiple LUNs on my NetApp (Fibre) storage, and added the RDM on two (Linux) VMs, using the Paravirtual SCSI adapter. One LUN is 100GB in size, successfully mapped to /dev/sdb on both VMs, 5 more are 500MB in size (mapped to /dev/sd{c-g}. I also created one partition per device. I have encountered two issues: First, writing directly to /dev/sdb1 gives me ~50MB/s, while any of the /dev/sd{c-g}1 gives me ~9MB/s. There is no difference in configuration of the LUNs apart from their size. I am wondering what causes this but this is not my main problem, as I would settle for 9 MB/s. I created raw devices using udev pretty straightforwardly: ACTION=="add", KERNEL=="sdb1", RUN+="/bin/raw /dev/raw/raw1 %N" per device Writing to any of the new raw devices dramatically slows down performance to just over 900KB/s. Can anyone point me in a helpful direction? Thanks in advance, -- jifa

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• Ubuntu 13.10 Unity doesn't load after upgrade

  - by William

  Just upgraded to Ubuntu 13.10 only to find that Unity won't load (login freezes, after doing ctrl+alt+F1, logging in and then doing startx, I get a blank desktop and the mouse pointer, and nothing else). I can right click, but the only operations that work are "create new file" and "create new folder". For example, "change desktop background" doesn't work. Also, after doing a few right clicks and choosing "change desktop background", I get a warning message box: "compiz closed unexpectedly." Guest login works fine. Tried creating a new user, but I experience the same thing with the new user. Tried removing all configuration files from my home directory... same thing. Doing dconf reset -f /org/compiz/ gives an error "error spawning command line..." Doing unity --reset also gives errors. Tried uninstalling unity (and compiz) and reinstalling, but that doesn't help. Tried reconfiguring lightdm, didn't help. I don't have any proprietary drivers installed. Once again, the funny thing is that the guest session works fine.

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• Why standard, virtual host Drupal 7 config causes 403 (Forbidden) in Apache2?

  - by drupality

  Virtual host declaration causing the problem (source): <VirtualHost *:80> ServerAdmin admin@d7 DocumentRoot /vagrant/d7 ServerName www.d7.local ServerAlias d7.local RewriteEngine On RewriteOptions inherit <Directory /vagrant/d7> Order allow,deny Allow from all </Directory> <Directory /vagrant> Order allow,deny Allow from all </Directory> </VirtualHost> error logs: [Mon Nov 04 12:23:11.947082 2013] [authz_core:error] [pid 2471] [client 10.0.2.2:58238] AH01630: client denied by server configuration: /vagrant/d7/ I have no idea why this isn't work... With above rule I have forbidden on drupal site and apache welcome page too (index.html) ls -ld /vagrant/d7 command output: drwxrwxrwx 1 vagrant vagrant 8192 Nov 4 10:05 /vagrant/d7

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• Bind9 forwarding zone not working

  - by JMW

  i've setup a forwarding zone on a RHEL6 Bind server like this: zone "office.local" IN { type forward; forward only; forwarders { 192.168.0.2; 192.168.0.3; }; }; when i try to query using dig @127.0.0.1 monitorsms.office.local i see the following message in the syslog: client 127.0.0.1#39376: query: monitorsms.office.local IN A + (127.0.0.1) validating @0x7ff7640357d0: monitorsms.office.local A: bad cache hit (monitorsms.office.local/DS) google tells me, that there is an issue with DNSSEC, but both servers do not have DNSSEC configured and thus do not send any DNSSEC records. What's wrong with my configuration?

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• How to configure Apache for PHP on Windows 7?

  - by salim cobra

  I have installed Apache 2.0(httpd-2.0.64-win32-x86-no_ssl) and it works, then I have installed Php5.3 and it pointed to Apache configuration folder. failed scenario: 1- create simple test.php, put in under C:\Apache\Apache2\htdocs 2- call "http://localhost:8080/test.php" -- "Bad Request..Your browser sent a request that this server could not understand." Proposed solution by NetBeans blog (failed) 1-add those two lines to httpd.conf AddType Application/x-httpd-php .php LoadModule php5_module "c:/php/sapi/php5apache2_2.dll" It doesnt works because there is no "php5apache2_2.dll" under my Php installation folder?? I have such .dll : php5ts.dll, ssleay32.dll,.. Any one have any suggestion in order to run the PHP script successfully?

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• Minimalistic flatfile-based "wall" PHP app with authentication and RSS?

  - by Nicolas Raoul

  I am looking for an open-source minimalistic "message board" PHP software. Not a forum, more something like one simple facebook wall. The only thing a user can do is post a new message. With RSS, and able to run on flat files (no database) with Apache+PHP Authentication based on a configuration file, no management UI needed. For now I use this software, but it lacks RSS: http://nrw.free.fr/data/projects/pano/demo/index.php?pano=ifc Anyone knows a software that matches my description? Thanks! Usage: communication between my family's 5 members living on different continents.

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• Strange resolution on Ubuntu 11.10

  - by FSchmidt

  I only just installed Ubuntu 11.10, so excuse me if this question is silly ;-) I have a Fujitsu Esprimo Mobile V655, nvidia 8200 graphics, and recently installed Ubuntu 11.10 using wubi. I had to modify booting commands to include nomodeset; otherwise Ubuntu would not boot. Now I did set my screen resolution to 1280 x 720, which is the correct resolution for this screen. Still, the display seems imperfect. The font sizes seem unnatural(too large / stretched) and text is quite blurry (especially in Firefox). Could it have something to do withe the nvidia graphics driver and/or the nomodeset parameter? How can I fix this? Update: I used jockey-gtk to update nvidia to the current version. This improved the resolution dramatically (no blurriness, fonts are good). It also means that I no loger need to include nomodesetin the boot commands. However, other problems were brought up by this. It seems that certain files cannot be accessed - icon (images) are missing, some task bars are completely unstyled (grey, block-form, win97 style). I also get this error message(roughly translated from German, so may be slightly different from actual) every time I reboot: Could not apply the stored configuration for the monitor: none of the chosen modi is compatible with the available modi. I have tried nvidia-xconfig, unity --reset , no improvements. Can anyone help, please?

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• Hard Drive upgrade advice for a Dell PowerEdge 1950

  - by user8185

  My setup is a Dell PowerEdge 1950 with 2x 140Gb Hard drives in a RAID 1 configuration. The OS is Windows 2003 Web Edition and disk is partitioned into to two, a 12Gb C: partition and the remainder is the D: drive. Both are very close to full capacity. Ideally I want to replace those drives with 2x 1Tb drives while retaining all data. First of all is this possible without rebuilding the server? If so, will I need any 3rd party software, Symantec Ghost, Partition Master for e.g., to do this? Any general advice as to how to go about doing this?

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• DD-WRT Router Can't hold a connection after initial setup...

  - by AC

  Struggeling with my new DDWRT router (Buffalo WZR-HP-G300NH) configuration. I configured it using one machine while comparing the settings on my existing Linksys WRT54GL on another machine. To the best of my knowledge, I've set it up the same way as my Linksys, but DDWRT has so many other options. After configuring it, I plugged it into the modem, VOIP device & my network. I see the phones come back online. However after a few minutes, it seems I lose the outbound connection (phones die and I can't get out over HTTP). What's confusing me is it works for a few minutes, then it fails. No idea what to look for. Ideas?

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• NFS compound failed for server foosrv: error 7 (RPC: Authentication error)

  - by automatthias

  I'm setting up an Ubuntu NFS server with a Solaris 10 client. The basic configuration looks okay to me, and it was also working for some time. I'm getting an "RPC: Authentication error" message on the client. server /etc/exports: /export/opencsw-future 192.168.3.0/24(rw,nohide,insecure,no_subtree_check,async) /export/opencsw-current 192.168.3.0/24(rw,nohide,insecure,no_subtree_check,async) $ ls -ld /export/opencsw-current drwxr-xr-x 7 maciej maciej 4096 2012-02-05 14:55 /export/opencsw-current client $ grep opencsw /etc/vfstab foosrv:/opencsw-current - /export/opencsw-current nfs - yes - $ sudo mount /export/opencsw-current NFS compound failed for server foosrv: error 7 (RPC: Authentication error) (...repeated...) nfs mount: mount: /export/opencsw-current: Permission denied My server host name resolves to both IPv4 and IPv6 addresses.

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• Project Server 2010 site creation - the database connection string is not available

  - by Brandon Montgomery

  I am trying to get Project Server 2010 up and running on a Win Server 2008 box. I've got Sharepoint 2010 installed and Project Server 2010 installed. I open SharePoint Central Administration, then I go to Manage Service Applications Project Server Service Application. It looks like there is a site under the "Sharepoint - 80" section, but the Status says "Failed - see the Application event Log". When I click on the site and select "Retry" I get the same thing. In the event viewer, I see an error with SharePoint Foundation Search as the Source - it reads: Could not create a database session. Context: Application '276504a6-93b1-4c1f-a900-fd6ed9d5c117' Details: The database connection string is not available. (0xc0041228) How can I fix this? Is there some configuration I missed?

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• Impact of Server Failure on Coherence Request Processing

  - by jpurdy

  Requests against a given cache server may be temporarily blocked for several seconds following the failure of other cluster members. This may cause issues for applications that can not tolerate multi-second response times even during failover processing (ignoring for the moment that in practice there are a variety of issues that make such absolute guarantees challenging even when there are no server failures). In general, Coherence is designed around the principle that failures in one member should not affect the rest of the cluster if at all possible. However, it's obvious that if that failed member was managing a piece of state that another member depends on, the second member will need to wait until a new member assumes responsibility for managing that state. This transfer of responsibility is (as of Coherence 3.7) performed by the primary service thread for each cache service. The finest possible granularity for transferring responsibility is a single partition. So the question becomes how to minimize the time spent processing each partition. Here are some optimizations that may reduce this period: Reduce the size of each partition (by increasing the partition count) Increase the number of JVMs across the cluster (increasing the total number of primary service threads) Increase the number of CPUs across the cluster (making sure that each JVM has a CPU core when needed) Re-evaluate the set of configured indexes (as these will need to be rebuilt when a partition moves) Make sure that the backing map is as fast as possible (in most cases this means running on-heap) Make sure that the cluster is running on hardware with fast CPU cores (since the partition processing is single-threaded) As always, proper testing is required to make sure that configuration changes have the desired effect (and also to quantify that effect).

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• Clone a Red Hat RAID as part of a disaster recovery plan

  - by Campo

  I am looking for recommendations to clone a Red Hat mirrored raid to a single hard drive located in the same machine. The idea is if the servers hardware ever has an issue we have a similar hardware machine ready to go. All we would have to do is pop in the cloned drive. If the servers RAID ever failed we could just switch to the single drive to maintain uptime and restore the original configuration on the spare server with a backup. This is a restaurant and they are open 7 days a week. We do have time from 12:am to 9:00am to perform the necessary steps for a clone and we talking about under 10 Gigs of information. There is a database on the server. I have looked into Rsync and Clonezilla. But I am just not confident either is capable of completing the task I want. Looking for some suggestions and possibly a step by step if you could be so kind.

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• Grub2 won't detect Ubuntu 11.10 OS after reinstalling Win XP hal.dll.

  - by yoopian

  Hi I'm an Ubuntu newbie here. I've installed ubuntu 11.10 to dual boot on a single HDD. I did a manual partition and basically forgot all the on what sda my /boot partition is. My installation worked out just fine and I tried to install updates with it. After a while I when I wanted to boot to windows it showed that I was missing a "hal.dll" file. I've fixed this problem using the windows resource CD but then after booting up my PC it went straight to Windows XP. I've tried to manually reinstall Grub2 using a Live CD/USB and it worked but I think I have installed in on a different "sda#" (sda5 to be exact) because even though Grub2 loads when I boot my PC, only windows XP shows up as my OS and Ubuntu 11.10 is missing. Now, I've tried installing boot-repair to solve my problems using Live CD/USB. Boot-repair tells me that boot configuration was successful but then a basic grub interface shows up (the black one with a command line grub showing up. Now I can't even boot to Windows XP. Any help would be really appreciated. BTW here's the notes from boot repair that I was asked to save: http://paste.ubuntu.com/890228/ As you can see there are boot files on sda5 and sda7. I think that's the core problem that I have right now. Thanks in advance!

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• Dump nginx config from running process?

  - by Sergio Tulentsev

  Apparently, I shouldn't have spent sleepless night trying to debug an application. I wanted to restart my nginx and discovered that its config file is empty. I don't remember truncating it, but fat fingers and reduced attention probably played their part. I don't have backup of that config file. I know I should have made it. Good for me, current nginx daemon is still running. Is there a way to dump its configuration to a config file that it'll understand later?

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• What can impact the throughput rate at tcp or Os level?

  - by Jimm

  I am facing a problem, where running the same application on different servers, yields unexpected performance results. For example, running the application on a particular faster server (faster cpu, more memory), with no load, yields slower performance than running on a less powerful server on the same network. I am suspecting that either OS or TCP is causing the slowness on the faster server. I cannot use IPerf , unless i modify it, because the "performance" in my application is defined as Component A sends a message to Component B. Component B sends an ACK to component A and ONLY then Component A would send the next message. So it is different from what IPerf does, which to my knowledge, simply tries to push as many messages as possible. Is there a tool that can look at OS and TCP configuration and suggest the cause of slowness?

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• windows 7 is not working with Ubuntu 12.04

  - by Anand Soni

  I have one problem, I am unable to start windows 7 which is installed with Ubuntu 12.04 because I want to utilize all resource in diff. OS. Let me tell you the installation I have done. I have installed everything with USB because my CD ROM is damaged. 1) I have installed Windows 7 in c: then I have installed Ubuntu 12.04 in C: Now when I start my PC it shows list of OS first like -Ubuntu 12.04 -Windows 7 When I click on Windows 7 it do not starts and again shows the list of OS. I have also tried to reinstall the windows 7 using USB but it gives error of something UI or Boot configuration error. Even now Ubuntu 12.04 is also not reinstalling. Now what I want to do is install windows 7 and install ubuntu 12.04 in virtual box so that I can run both system as this is not working. But can't because I can't open Window 7 even can't format my drive. Please suggest something.

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• .htaccess enabled, but not working.

  - by Aristotle

  I been having some very frustrating issues with getting .htaccess to work on my new server. I'm not very experienced in managing a server, but I've spent the last three days pouring over documentation and every resource I can get my hands on. I've attempted to try a very basic application of .htaccess, and yet it fails to give the expected results. I've setup a test over at http://173.201.185.217/test/. Immediately within this directory is an .htaccess file with the following command: deny from all If I'm not mistaken, this should deny access to /test, but it doesn't. It just sits there allowing anybody to view the contents. What could be wrong with my server/configuration? The server is running CentOS.

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• Text on Cisco ASA console is garbled/missing letters

  - by Some Linux Nerd

  I've actually looked up a number of solutions for this problem and none of them work. There's this Cisco ASA 5505 that I'd like to use, that outputs mildly garbled text with missing characters. I did some googling and found that the most likely problem is a bad baud rate, so I tried all the baud rates, 7N1, 8N2... basically every possibility minicom had. Then I figured (since I can type ok, just not read) that if I factory reset it that it would fix whatever is set wrong with the terminal. That didn't work either. This usb-db9 adapter and console cable work fine on the catalyst switch in our office. My serial settings are 9600 8N1 with no flow control. Anyone know how to fix this? I have an example of the text on pastebin: http://pastebin.com/MAJF0mVU - it's just lots of "Dfaut cnfiuraionfil cotais 1enty." instead of "Default configuration blah blah"

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• How to control fan speed using SpeedFan?

  - by John Young

  The CPU fan in my laptop is running too fast. I wish to control the speed manually to my preference, at times. Here is a CPU-Z screenshot of my laptop configuration: http://i.stack.imgur.com/1oST1.png And here is how SpeedFan window looks at my end: http://i.imgur.com/BIi0RdJ.jpg I have no idea how to use SpeedFan to control my laptop's CPU fan speed. How to configure it so that I can increase and decrease speed of the fan at my will? Edit: Sorry, the first image wasn't as intended, so I've corrected it now. Also, if someone can edit the post and embed the images in the post, that would be great. I need at least 10 reputation to successfully accomplish that.

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• glassfish - Unknown error when trying port 4848

  - by Majid Azimi

  I'm installing glassfish 3.1 on Windows XP service pack 3. but in configuration step it gives this error: PERFORMING THE REQUIRED CONFIGURATIONS ______________________________________ CREATING DOMAIN _______________ Executing command :C:\glassfish3\glassfish\bin\asadmin.bat --user admin --passwordfile C:\DOCUME~1\MAJIDA~1\LOCALS~1\Temp\glassfish-3.1-windows-ml.exe6\asadminTmp1079044298673991344.tmp create-domain --savelogin --checkports=false --adminport 4848 --instanceport 8080 --domainproperties=jms.port=7676:domain.jmxPort=8686:orb.listener.port=3700:http.ssl.port=8181:orb.ssl.port=3820:orb.mutualauth.port=3920 domain1 C:\glassfish3\glassfish\bin\asadmin.bat --user admin --passwordfile C:\DOCUME~1\MAJIDA~1\LOCALS~1\Temp\glassfish-3.1-windows-ml.exe6\asadminTmp5898014821156752751.tmp create-domain --savelogin --checkports=false --adminport 4848 --instanceport 8080 --domainproperties=jms.port=7676:domain.jmxPort=8686:orb.listener.port=3700:http.ssl.port=8181:orb.ssl.port=3820:orb.mutualauth.port=3920 domain1Unknown error when trying port 4848. Try a different port number. Command create-domain failed. CLI130 Could not create domain, domain1 I change 4848 to any other port. but it doesn't work. firewall is completely disabled. Could anyone help?

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• Oh snap! My RPi was upgraded to 512MB! Woo-hoo!

  - by hinkmond

  I ordered a Raspberry Pi Model B (256MB) over 4 months ago on backorder. When it finally came I saw it was upgraded to the new half a gig model! Woot! But, all was not perfect. Gary C. told me the shipped configuration of the new RPi models didn't have the right firmware for 512MB, and I had to upgrade the start.elf in the /boot directory to recognize all of the 512MB RAM. I did a "free" command, and sure enough saw only 240MB. Sadness. But, Gary gave me a copy of his start.elf which worked after some trail and error. For anyone ordering the new RPi Model B w/512MB, here are the steps to get you going with full 512MB RAM: sudo apt-get update --fix-missing sudo apt-get upgrade --fix-missing # NOTE: This step takes at least a couple hours on a # fast network wget https://raw.github.com/raspberrypi/firmware/\ 164b0fe2b3b56081c7510df93bc1440aebe45f7e/boot/\ arm496_start.elf sudo mv /boot/start.elf /boot/orig-start.elf sudo mv arm496_start.elf /boot/start.elf sudo reboot free total used free shared buffers cached Mem: 497768 210596 287172 0 16892 169624 -/+ buffers/cache: 24080 473688 Swap: 102396 0 102396 So of course this means... (drumroll) there is now 498MB available for the Java Embedded heap! java -Xmx400m -version java version "1.7.0_06" Java(TM) SE Embedded Runtime Environment (build 1.7.0_06-b24, headless) Java HotSpot(TM) Embedded Client VM (build 23.2-b09, mixed mode) Yeah, baby! Hinkmond

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• Apache conf for high trafic CMS with backend users?

  - by Annan

  I'm in the situation where a website is going to have a high number of web users and a few backend webmasters. Webmasters will upload images (+other high mem tasks) and this bumps up the memory allocation of the httpd child processes to 100-150mb. In order to stop swapping I'm currently setting MaxClients in httpd.conf to 20. However this lowers maximum simultaneous requests. Will this be a problem when the website goes live? What is the best configuration? Info: Drupal 6, PHP 5, Apache 2.2 (Prefork atm) I'm thinking about Worker MPM, two apache instances or low MaxRequestsPerChild.

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• Alternatives to Citrix GoToAssist ?

  - by Evan Carroll

  Citrix GoToAssist is a really nifty little web application for customer support that allows you to take control of someones OSX, or Windows machine. Essentially, it works likes this: You log in to your management console You get a code You give them a code, and a website (fastsupport.com) They go there and enter in the code They accept the browser applet which installs a program on their computer You have control of their desktop You can see their desktop, configure applications, etc. They can also see when you disconnect. It is really rather nifty, but it doesn't support Linux and it is rather expensive (660$ a year). Does anyone know of any alternatives to this? I'm looking for a solution as simple on the user as this one, that doesn't require firewall configuration or setting up ssh/vnc/rdesktop etc.

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