Can’t access DVD with fresh new installed Windows 8.1 (Code 19)

I have a Windows that cannot start this hardware device because its configuration information (in the registry) is incomplete or damaged. To fix this problem you should uninstall and then reinstall the hardware device. (Code 19) error code in Device Manager. I checked many sites, for me this has been worked: reg.exe add “HKLM\System\CurrentControlSet\Services\atapi\Controller0” /f /v […]

Moodle BigBlueButton activity, String could not be parsed as XML, Error code: generalexceptionmessage, Firewall issue

I have recently used the BigBlueButton plugin without problem, but I had to move my Moodle to another virtual machine. And when I tried to add a new BigBlueButton activity I got a String could not be parsed as XML error. First I checked the setting. Remember to have the Server URL with /bigbluebutton/ at the end […]

MAHOODLE Payload not encryptedERROR 1:1:Payload not encrypted

When trying to export an assignment document to Mahara and we get the following error: Payload not encryptedERROR 1:1:Payload not encryptedDebug: \nError code: failedtopingline 280 of /portfolio/mahara/lib.php: portfolio_export_exception thrown line 57 of /portfolio/mahara/preconfig.php: call to portfolio_plugin_mahara->send_intent()\n, referer: Most likely we are behind a firewall. If both Moodle and Mahara servers are behind the firewall […]

MAHOODLE Sorry, could not log you in… :( when we are behind a firewall or a proxy

Installing MAHOODLE is easy and there is a very good install guide. Btw If we are behind a firewall / proxy and we have separated the application to different machines or VMs in the same sub network it could happen that we can not log in to Mahara from Moodle. We get an apache error […]

Paging error on Rokgallery loadposition grid mode, no previous and next button

I use Joomla 2.5 with Clarion template. I also installed RokGallery. One of my gallery did not show the page buttons and I could not find out why for a while. I followed the steps I mentioned in my last comment, but there was a little mistake. I put an “_” to the position name. […]

Install Debian Wheezy on Citrix XenServer 6.0.2

As Citrix XenServer 6.0.2 does not offer template for Debian Wheezy we have to install it in two steps. First install Debian Squeeze as usual. Second step is to upgrade Squeeze to Wheezy. Here are the sub-steps: As it is a new install you do not have to update your system but for sure you can […]

CentOS – Starting Apache on a different port using semanage

# For some reason I had to start Apache on port 8082, but when I tried to start Apache as root I get: Permission denied: make_sock: could not bind to address [::]:8082 CentOS use SElinux security, therefore there are pre-defined port that Apache can use. The ports are: 80, 443, 488, 8008, 8009, 8443. So […]