There are plenty of "apps" for OwnCloud which are expanding the functional range of the open-source software. Currently at about 110 such addons are available for free download. Some of these addons can be installed directly using the "Apps" menu in the administration interface of OwnCloud - some …

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When it is necessary to share files between multiple devices and persons OwnCloud is a good alternative for Dropbox. The open-source software that also supports WebDAV can also be installed on a managed web server - for this purpose the project offers a installation script which is transfered to the server using FTP: …

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To keep contacts and calendars up-to-date between multiple devices well-known cloud services like Apple iCloud or the Google services are often used. It's no doubt that this is a very comfortable solution - but in my opinion you shouldn't place trust in public cloud services. I personally avoid cloud services and try …

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VMware released a new version of the famous ESXi Hypervisor one month ago. This tops VMware's portfolio off after the products Fusion, Player and Workstation already were updated in september. Some technichal enhancements of the new version: dropped 32 GB host memory limitation - (a minimum of 4 GB memory is required …

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Earlier this year I tried Windows 8 for the second time - and decided to switch back to Windows 7. One of the reasons was the missing support of my Thinkpad X230's webcam and UltaNav - especially the middle mouse button. It was not possible to use the middle mouse button als middle button. By default a scroll function …

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If you're having issues with configuring Active Directory authentification in VMware vCenter Server Appliance (vCSA) 5.5 you might want to have a look at the following log file: /var/log/vmware/vpx/vpxd_cfg.log Ideally access this file using tail -f before saving the Active Directory configuration to see error messages …

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While creating a VMFS storage I received the following error yesterday: 1Call "HostDatastoreSystem.QueryVmfsDatastoreCreateOptions" for object "ha-datastoresystem" on ESXi "xxx.xxx.xxx.xx" failed. First I thought the freshly created logical drive on my HP RAID contorller had a failure - but this …

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If you want to create a screenshot of your HP-UX system and don't have GIMP installed, you can easily create a X dump using the xwd commandos. This X dump can be converted into a JPG file (or some other picture format) on another machine using XnView. After executing the xwd command simply click on the window for the …

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A couple of months ago I installed Red Hat Enterprise Linux on a dedicated hard drive of my HP Integrity RX2600 servers. Because the installation programm doesn't support the native Management Processor console I had to connect a screen, keyboard and mouse to the device. The installation worked like a charm and after a …

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Use the following commands to completely disable IPv6 under RHEL / CentOS up to version 6: 1# echo "options ipv6 disable=1" > /etc/modprobe.d/ipv6.conf 2# chkconfig ip6tables off 3# shutdown -r now A module parameter prohibits IPv6 functionality after the next reboot. If this value wasn't set, some services …

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