Some applications still require Microsoft fonts under Linux. Some Linux distros dropped those fonts because of license difficulties. Microsoft offers those fonts for free but redistributing them is prohibited by the used license. Debian-based distros offer a package msttcorefonts-installer which downloads and extracts …

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Especially in Microsoft-embossed environments it might be needed to send and receiver mails over Exchange. Some graphical mail clients like Evolution are offering support for this - of course this is not a good solution for servers without graphical user interfaces. DavMail is a Java-based platform-independent software …

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When hard drive sizes are altered the Linux kernel isn't informed about these changes automatically. Rebooting the system is a possible solution - but often no option. Beneath the directory /sys/class/scsi_disk you will find additional files controlling some of the device's function depending on the SCSI id. Using the …

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During a server installation recently a local attached SSD wasn't recognized as SSD and therefore it was impossible to use it as vSphere Flash Read Cache. Not always the reason for this issue is a controller misconfiguration - sometimes ESXi just doesn't recognize the SSD as flash drive. In this case it is possible to …

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GitHub is a very comfortable portal to collaborate source coces. The service manages versions using Git - for documentation purposes bugs and wiki contents can be provided. Especially the open-source scene uses the service a lot but for internal, non-public developments it is only partially suitable. Premium users are …

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Hint from january 2015: the bug has been fixed in the meantime. I found out that it is currently (11/01/2014) impossible to run osad (Open Source Architecture Daemon) with SELinux enabled on EL6.6 and EL7 systems. The following error message can be seen while starting the service: 1# service osad restart 2Shutting down …

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Attentive readers of my blog or Twitter feed might have seen that I'm also spending my time on OS X relevant topics for two months. The reason for this is that I switched the operating system of my notebook from Microsoft Windows to Mac OS X. Why? To be honest there was no crucial reason for switching. Since my …

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Last week the european VMworld event was taking place in Gran Via, Barcelona. The program of the 4-day conference was characterised by virtualization and especially VMware products. VMware hosts two events every year - in the USA and Europe. I had the honour to join this event as press member which gave me the …

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When running a virtualized vCenter server it is very important to have a working backup. If the vCenter server crashes the virtual landscape cannot be managed or monitored. Configuring backup is very easy when running VMware vCenter Server on a conventional Microsoft Windows servers because it is a fully-features …

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A couple of days ago another security vulnerability that applies to Linux systems called PODDLE was announced. Less serious than Heartbleed especially web servers that are still allowing SSL generations 2 and 3 are affected. Because of a bad security design it is possible to decrypt transfered data. Often those …

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