Install Oracle Virtual Box Extensions

In order to access full resolution inside your VM and to access USB Devices with full USB3 Speed you need to install Virtual Box Extensions: Go to https://download.virtualbox.org/virtualbox and select the appropriate version. Then download the extension pack, e.g. Oracle_VM_VirtualBox_Extension_Pack-6.1.12.vbox-extpack Then open VirtualBox >> Preference >> Extensions >> browse for extension pack by clicking on […]

Citrix on Fedora32

In case you need to get Citrix working under Fedora these are the steps that worked for me: First of all download the client from https://www.citrix.com/de-de/downloads/citrix-receiver/linux/receiver-for-linux-latest.html and make sure you download the WebReceiverOnly package as the Selfservice-Package needs webkitgtk to work which is not provided by the Fedora32 repository. Install client and crypto-libs Update libcrypto […]

monitoring Jitsi with Zabbix

If you want to monitor your Jitsi Server (number of logged on user, running sessions, etc.) with Zabbix you first have to enable Colibri Stats on your Jitsi server secondly import a monitoring Template to your zabbix server Enable stats on Jitsi Server edit /etc/jitsi/videobridge/sip-communicator.properties and add/alter the lines: then add in /etc/jitsi/videobridge/config : And […]

Upgrading VMWare ESXi 6.7

Upgrading your VMWare ESXi instance is quite easy if you know how 😉 Enable SSH in your webinterface and login via SSH to the esx-shell. Download the patch via wget from https://my.vmware.com/group/vmware/patch#search and enter following commands: Enable maintenance mode install the update from your datastore: Notice that the command is not “upgrade” which requieres to […]