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  • Moodle serves on IP only - will not work with mod_proxy

    - by Jon H
    I'm trying to set a moodle server up on an Ubuntu box, which already serves Plone & Trac via Apache. In my Moodle config I have $CFG-wwwroot = 'http://www.server-name.org/moodle' The configuration below works fine for the first two, but when I visit www.server-name.com/moodle I get: Incorrect access detected, this server may be accessed only through "http://xxx.xxx.xxx.xxx:8888/moodle" address, sorry It then forwards to the IP address, where Moodle functions fine. What am I missing to get the server name approach working correctly? Apache Config follows: LoadModule transform_module /usr/lib/apache2/modules/mod_transform.so Listen 8080 Listen 8888 Include /etc/phpmyadmin/apache.conf <VirtualHost xxx.xxx.xxx.xxx:8080> <Proxy *> Order deny,allow Allow from all </Proxy> ProxyPreserveHost On <Location /> ProxyPass http://127.0.0.1:8082/ ProxyPassReverse http://127.0.0.1:8082/ </Location> </VirtualHost> <VirtualHost xxx.xxx.xxx.xxx:80> ServerName www.server-name.org ServerAlias server-name.org ProxyRequests Off FilterDeclare MyStyle RESOURCE FilterProvider MyStyle XSLT resp=Content-Type $text/html TransformOptions +ApacheFS +HTML TransformCache /theme.xsl /home/web/webapps/plone/theme.xsl TransformSet /theme.xsl FilterChain MyStyle ProxyPass /issue-tracker ! ProxyPass /moodle ! <Location /issue-tracker/login> AuthType Basic AuthName "Trac" AuthUserFile /home/web/webapps/plone/parts/trac/trac.htpasswd Require valid-user </Location> Alias /moodle /usr/share/moodle/ <Directory /usr/share/moodle/> Options +FollowSymLinks AllowOverride None order allow,deny allow from all <IfModule mod_dir.c> DirectoryIndex index.php </IfModule> </Directory> </VirtualHost>

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  • Limit Windows PC Network/Internet Throughput

    - by Jon Cram
    I have a Vista x64 machine on a fairly fast Internet connection and either buggy drivers for the onboard Ethernet or faulty onboard Ethernet hardware. If I sustain too high a throughput on the Ethernet connection the network connection within Windows fails and I have to restart the machine to restore connectivity. I don't believe I can fix this issue (I'm erring towards faulty hardware) but would like to mitigate the effects by limiting my network throughput. I'm in a position where I would like to download a 5GB file from the Internet (a game install via Steam) and am certain that as this will take a few hours I will not be able to complete the download before my network connection within Windows fails. From downloading content through a BitTorrent client I have found that by limiting the download throughput to around 150 kilobytes per second I can maintain a steady network connection. I can't directly limit the throughput of the download through the Steam client and would instead like to find out how I can limit the throughput of my Ethernet connection within Windows. Any suggestions on how I can achieve this?

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  • Microphones not working on Apple macbook Air 1,1 (Early 2008) under Linux

    - by jj_p
    I'm running Linux on an mba. I can't make the microphones (neither external nor internal) work. I test using alsamixer and arecord -d 5 test-mic.waw together with aplay test-mic.waw It seems there is a problem with kernel trying to decipher Apple (intentionally) corrupted 'bios', in particular the mic pins are wrongly assigned. As far as we are concerned here, is there any difference between using EFI and BIOS-compatibility mode? (see https://wiki.archlinux.org/index.php/MacBook where they claim to have everything working out of the box on mba1,1) A nice proposal would be to compile the latest Linux kernel and run hda-jack-retask to find the right configuration (in the case of Realtek codec, the missing things I'm supposed to check are either some vendor-specific COEF verbs, EAPD or GPIO setup.), and then come up with a kernel patch to address the issue. Since I'm not that familiar with this last part of the story, can anyone help me through this process? Some useful data: The output from alsa script run as root http://www.alsa-project.org/db/?f=adae8ebee1007043fe83414ac4972319e02255fa The command hda-jack-sense-test -a (with external mic in) Pin 0x14 (Internal Speaker): present = No Pin 0x15 (Green HP Out): present = Yes Pin 0x16 (Not connected): present = No Pin 0x17 (Not connected): present = No Pin 0x18 (Not connected): present = No Pin 0x19 (Not connected): present = No Pin 0x1a (Not connected): present = No Pin 0x1b (Not connected): present = No Pin 0x1c (Not connected): present = No Pin 0x1d (Not connected): present = No Pin 0x1e (Not connected): present = No Pin 0x1f (Not connected): present = No Most likely the chip is Realtek ALC885 (compare also ALC889A) http://guide-images.ifixit.net/igi/bBTSqaeK5JpQ1AWe.large , although at the moment alsa reads it as ALC889A Takashi Iwai's tutorial https://www.kernel.org/doc/Documentation/sound/alsa/HD-Audio.txt Some people researched the original files from a running OS X installation on this same model (I think the relevant files are AppleHDA.kext/Contents/MacOS/AppleHDA AppleHDA.kext/Contents/PlugIns/AppleHDAHardwareConfigDriver.kext/Contents/Info.p????list AppleHDA.kext/Contents/Resources/layout12.xml.zlib AppleHDA.kext/Contents/Resources/Platforms.xml.zlib) http://www.insanelymac.com/forum/topic/220090-alc889a-pin-configuration/#entry1554954 Datasheet http://www.realtek.info/pdf/ALC885_1-1.pdf (from the same Realtek, one can also try to download Linux driver, but this is just taken from ALSA project, as stated in the readme file.) Compare with this Arch guy http://www.alsa-project.org/db/?f=3ca8243c0626844f0264a3faad0aa72018bc14f4 Here for the first time support to audio (except mics) for mba1,2 (which is morally the same as 1,1) is patched into the kernel http://www.alsa-project.org/pipermail/alsa-devel/2010-February/025511.html The same jack supposedly works both for HP and ext MIC, I think it's called TRRS, and it's the same as the one used e.g. for iphones This guy might have done a similar job, though to a more recent version and for sound globally, not just mics: http://blogs.aerys.in/jeanmarc-leroux/2013/09/15/fixing-2013-macbook-air-ubuntu-sound-issue/ (this is mirror to http://unix.stackexchange.com/questions/73044/microphones-not-working-on-apple-macbook-air-1-1-early-2008-under-linux )

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  • [SOLVED] netcat/socat no response from other networking services

    - by jack
    Hi gurus First, I thought that this was Vmware problem : http://serverfault.com/questions/141838/vmware-problems-networking-no-packet-response But now, after testing on several physical machines, I realized certain services didn't return response data when using socat/netcat 1.1 which is supposed to the latest version since last updated. root@test3:~# netcat 192.168.1.2 25 220 762462a8c4d Microsoft ESMTP MAIL Service, Version: 6.0.2600.5949 ready at Fri, 12 May 2010 18:04:20 +0600 EHLO localhost sdfsafsd ^ root@test3:~# I've tested it on both windows and linuxes. I found no problem with telnet.

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  • Squid Proxy Antivirus - Recommendations / Performance

    - by Jon Rhoades
    Due to our user's increasing expertise at downloading virus and the like, we are investigating adding Antivirus to our Squid proxy. A casual Google reveals several free and one paid: HAVP squid-vscan Viralator Safe Squid (commercial) None of the 'free' ones have reached v1 yet, nor do any inspire huge confidence form their websites (although of course I would rather they spent their time on the app rather than their website!). Does anybody have experience with any of these (or any other similar apps). If so are they suitable for a production network with 400ish concurrent users, and what sort of CPU/RAM requirements does it have?

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  • Cheap and Secure Proxy

    - by jack
    Hi I'm looking for cheap secure proxy providers that support vpn http socks like this one http://www.your-freedom.net/. Because I wish to compare their efficiency. YF(http://www.your-freedom.net/) doesn't provide my satisfaction on speed they provide after purchasing the account. Their try-before-buy account has much more speed than the purchased one. Thanks.

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  • Change collation of a MySQL table to utf8_general_cs

    - by jack
    I tried to change collation MySQL table to utf8_general_cs but got following error: mysql> ALTER TABLE table_name CONVERT TO CHARACTER SET utf8 COLLATE 'utf8_general_cs'; ERROR 1273 (HY000): Unknown collation: 'utf8_general_cs' I run "SHOW COLLATE" command and "utf8_general_cs" is not in the results. What can I do now?

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  • Parallel File Copy

    - by Jon
    I have a list of files I need to copy on a Linux system - each file ranges from 10 to 100GB in size. I only want to copy to the local filesystem. Is there a way to do this in parallel - with multiple processes each responsible for copying a file - in a simple manner? I can easily write a multithreaded program to do this, but I'm interested in finding out if there's a low level Linux method for doing this.

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  • HP Colour LaserJet Printer Hard Drive

    - by Jon Rhoades
    We are struggling to print Student's Theses on our HP CLJ CP4025 Printers (It will only let us print 1 at a time & typically they need multiple copies). Supposedly the solution is to install the optional Hard Drive. My question is: a) Does a hard drive on the printer make a significant difference? b) Can we use any old hard drive or do we have to use the rather pricey HP High performance EIO units?

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  • Is It Time To Specialize?

    - by Tim Murphy
    Originally posted on: http://geekswithblogs.net/tmurphy/archive/2013/06/18/is-it-time-to-specialize.aspx Over my career I have made a living as a generalist.  I have been a jack of all trades and a master of none.  It has served me well in that I am able to move from one technology to the other quickly and make myself productive.  Where it becomes a problem is deep knowledge.  I am constantly digging for the things that aren’t basic knowledge.  How do you make a product like WCF or Windows RT do more than just “Hello World”? As an architect I need to be a jack of all trades.  This is what helps me to bring the big picture of a project into focus for developers with different skills to accomplish the goals of the project. It is a key when the mix technologies crosses Windows, Unix and Mainframe with different languages and databases.  The larger the company that the project is for the more likely this scenario will arise. As a consultant and a developer I need to have specialized skills in order to get the job done efficiently.  if I have a SharePoint or Windows Phone project knowing the object model details and possible roadblocks of the technology allow me to stay within budgets as well as better advise the client on technology decisions. What is the solution?  Constant learning and associating with developers who specialize in a variety of technologies is the best thing you can do.  You may have thought you were done with classes when you left college, but in this industry you need to constantly be learning new products and languages.  The ultimate answer is you must generally specialize.  Learn as many subject areas as possible, but go deep when ever you can.  Sleep is overrated.  Good luck. del.icio.us Tags: software development,software architecture,specialization,generalist

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  • Where can I find great Windows XP themes?

    - by Jon
    For the last couple of years I have used the Zune theme for Windows XP. Once the background picture is removed it is a very classy look for XP. Is there a place on the web where I can find other Windows themes are available to download and try? Do you have any recommendations for individual themes to use?

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  • Using IIS7 as a reverse proxy

    - by Jon
    My question is pretty much identical to the question listed but they did not get an answer as they ended up using Linux as the reverse proxy. http://serverfault.com/questions/55309/using-iis7-as-a-reverse-proxy I need to have IIS the main site and linux (Apache) being the proxied site(s). so I have site1.com (IIS7) site2.com (Linux Apache) they have subdomains of sub1.site1.com sub2.site1.com sub3.site2.com I want all traffic to go to site1.com and to say anything that is site2.com should be proxied to linux box on internal network, (believe ARR can do this but not sure how). I can not have it running as Apache doing the proxying as I need IIS exposed directly. any and all advice would be great. EDIT I think this might help me: <rule name="Canonical Host Name" stopProcessing="true"> <match url="(.*)" /> <conditions> <add input="{HTTP_HOST}" negate="true" pattern="^cto\.com$" /> <add input="{HTTP_HOST}" negate="true" pattern="^antoniochagoury\.com$" /> <add input="{HTTP_HOST}" negate="true" pattern="www.antoniochagoury\.com$" /> </conditions> <action type="Redirect" url="http://www.cto20.com/{R:1}" redirectType="Permanent" /> </rule> from: http://www.cto20.com/post/Tips-Tricks-3-URL-Rewriting-Rules-Everyone-Should-Use.aspx I will have a look at this when I have access to the IIS7 box. Thanks

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  • Outlook 2003: How to print embedded images in e-mails?

    - by Jon Seigel
    My boss has been trying to print his e-mails with embedded images, but the images don't print. All we get is a placeholder space where the image should be. Ideally, we'd like to have an option to control whether images get printed or not. I Googled this already and the one solution I found, trying to print the e-mail from the separate window using the print icon, did not work. Edit: also tried the solution here without success. I had him forward a sample e-mail to me, and I printed it fine in my Outlook (same version).

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  • Ruby on Rails on Windows - IIS 7 or IIS 6?

    - by Jon
    I have seen a few places ( one example ) that there are newer speed improvements in IIS 7 on Windows 2008. While I know we would see possibly more power running ruby on rails under a Linux machine, the requirements depend on me using Windows. I was wondering if anyone knew the best setup for Ruby/Rails in a Windows environment. This machine will mainly be running a redmine.org instance.

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  • Network Printers

    - by Jack
    We have a sever that shares all the printers. The PC's that are running on XP professional get a error message quoting (Connect to Printer). The only way I can find to get around the problem is by restating the printer and as soon is it comes online you can then add it but you have not got long. do you think it could be anything to-do with updates on the sever? the sever system is running Windows Server 2003 any help would be much appreciated. Thanks

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  • Android Jelly Bean: fix search button [migrated]

    - by Jon Rodriguez
    I just upgraded my Nexus S from Android 4.0.something (I forget the subversion) to Android 4.1.1. The magnifying glass button used to be really useful -- it would trigger a search function within whatever app I was using. For example pressing it within the Maps app would search for a place, or pressing it within the Facebook app would search for a friend. But now, the magnifying glass button launches a google search no matter what the context is! This is extremely annoying and makes a lot of apps harder to use, especially Maps. How can I use a setting or a patch to revert the magnifying glass button to its old behavior?

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  • Server 2008 NAT Internet Not Working

    - by Jack
    I'm trying to set up Routing and Remote Access on Windows Server 2008 R2, I have a network connection that I want to share the internet from to another private network. The server has two NICs which are configured as follows: External NIC (Dynamically assigned by ISP) IP:10.175.4.150 Subnet:255.255.192.0 Gateway:10.175.0.1 DNS:10.175.0.1 Internal NIC IP:172.16.254.1 Subnet:255.255.255.0 Gateway:None DNS:None I have set the external NIC to be the public interface and enabled NAT on it in the RRAS MMC and set the internal NIC to be a private interface. I have also set up the DNS forwarding or whatever it is in the NAT section. From a client (IP:172.16.254.2) I can ping the server and access files on it, when I try to browse the web with the default gateway set to the internal NIC ip I end up getting a 404 page which is returned from the ISPs default gateway. I'm guessing it's something to do with the double NAT possibly. Trying to ping the ISPs default gateway from a private network client just times out as does accessing it directly. I've disabled and reconfigured RRAS multiple times and that doesn't seem to have made a difference, so can anyone tell me what I'm doing wrong? Thanks.

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  • Dovecot, Postfix, Postfixadmin - can't send/receive mail

    - by Jack
    I am setting up a mail server: Dovecot and Postfix with MySQL support and Postfixadmin. Spend literally all day trying to figure it out, but I'm still unable to neither send nor receive any emails. To my knowledge, I have configured everything correctly, so either there is another problem, or my knowledge isn't good enough. Here is what I get when I use "echo test | mail [email protected]:" Jul 11 00:41:07 server postfix/pickup[17999]: 5B0D32AE1B: uid=0 from= Jul 11 00:41:07 server postfix/cleanup[19444]: 5B0D32AE1B: message-id=<[email protected] Jul 11 00:41:07 server postfix/qmgr[18513]: 5B0D32AE1B: from=, size=329, nrcpt=1 (queue active) Jul 11 00:41:12 server postfix/smtp[19448]: 5B0D32AE1B: to=, relay=none, delay=5.3, delays=0.1/0.01/5.2/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=dsa.com type=MX: Host not found, try again) *@mail.asd.com is changed for privacy reasons, same goes for [email protected]. *The bold text is where it, for some reason, prints out dsa.com - even though I haven't found it anywhere in the files which I've edited during the installation, nor my DNS is .com in the first place. Here is what I get when I try to send out an email from Postfix Admin interface: Jul 11 00:49:08 server postfix/smtpd[19479]: connect from localhost[127.0.0.1] Jul 11 00:49:08 server postfix/trivial-rewrite[19484]: warning: do not list domain asd.com in BOTH mydestination and virtual_mailbox_domains Jul 11 00:49:08 server postfix/smtpd[19479]: 4F7892AE1E: client=localhost[127.0.0.1] Jul 11 00:49:08 server postfix/cleanup[19487]: 4F7892AE1E: message-id=<[email protected] Jul 11 00:49:08 server postfix/qmgr[18513]: 4F7892AE1E: from=, size=317, nrcpt=1 (queue active) Jul 11 00:49:08 server postfix/smtpd[19479]: disconnect from localhost[127.0.0.1] Jul 11 00:49:10 server postfix/smtpd[19492]: connect from localhost[127.0.0.1] Jul 11 00:49:10 server postfix/trivial-rewrite[19484]: warning: do not list domain asd.com in BOTH mydestination and virtual_mailbox_domains Jul 11 00:49:10 server postfix/smtpd[19492]: 743AE2AE1F: client=localhost[127.0.0.1] Jul 11 00:49:10 server postfix/cleanup[19487]: 743AE2AE1F: message-id=<[email protected] Jul 11 00:49:10 server postfix/qmgr[18513]: 743AE2AE1F: from=, size=772, nrcpt=1 (queue active) Jul 11 00:49:10 server postfix/smtpd[19492]: disconnect from localhost[127.0.0.1] Jul 11 00:49:10 server amavis[13437]: (13437-11) Passed CLEAN, LOCAL [127.0.0.1] - , Message-ID: <[email protected], mail_id: 86+KQY93ANel, Hits: -0.002, size: 317, queued_as: 743AE2AE1F, 2145 ms Jul 11 00:49:10 server postfix/smtp[19489]: 4F7892AE1E: to=, relay=127.0.0.1[127.0.0.1]:10024, delay=2.3, delays=0.17/0.01/0/2.1, dsn=2.0.0, status=sent (250 2.0.0 from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 743AE2AE1F) Jul 11 00:49:10 server postfix/qmgr[18513]: 4F7892AE1E: removed I really don't know what might be the problem... If you need to know something, feel free to ask and I'll clarify something.

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  • DBRD dual primary Heartbeat resource management

    - by Jon Skarpeteig
    I have the following setup: Two servers with DRBD running dual primary with OCFS2 Heartbeat with two virtual ips, one for each server Round robin DNS to load balance NFS across the two vIPs Shutting down Server1 for a period of time, cause Server2 to take over the vIP for failover. However, when Server1 returns - it takes over the designated vIP as soon as heartbeat gets connection again - even though the DRBD is running sync (and thus not up to date) How can I configure heartbeat to perform failback as soon as Server1 again is in sync with Server2 ? (And not before)

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  • How to host Exchange mailboxes for another organisation outside of domain?

    - by Jon
    We have a branch office out in another country who currently have their own domain and AD and Exchange Server. We want to look at hosting their Exchange mailboxes so that we can improve presence information through the use of Calenders etc. Whats the best way to do this? Simple VPN connection? Or is there a way to for them to keep their own Exchange Server and mailboxes but view and edit our calenders?

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