by ds | Jun 11, 2012 | Virtualization
When exporting a Hyper-V virtual machine and then importing it on another host, it may happen that you get this error, although the import seems to work. In most cases, it is only the LAN adapter which has not the same name as on the previous host. So the only thing...
by ds | Jun 11, 2012 | Administration
It’s fine if you have a lot of your PC’s or server’s sensors monitored by Nagios or Icinga. But all these sensors are not very useful if the air conditioner of the room suddenly stops working. Simple temperature sensors for rooms are not easy to...
by ds | May 21, 2012 | Administration
On my hosted vServer with 1024 MB RAM, I got this message about every half hour: [Mon May 21 15:21:03 2012] [error] (12)Cannot allocate memory: fork: Unable to fork new process Running “top”, I saw that there was no swap space configured, but in my case 1...
by ds | May 21, 2012 | Administration
When using IDN domains, it is not possible to write them directly into the apache vhost config. Instead, use a converter like this one and write the resulting domain into your config. You can also use this string to ping the domain.
by ds | May 21, 2012 | Administration
The combination Putty and Ubuntu does not allow to input special characters like ä, ü etc. by default. Unbuntu uses UTF-8, so you have to use the same setting in Putty (Window -> Translation).
by ds | May 21, 2012 | Software
If you need .vcf files instead of .msg when exporting contacts in Outlook, there is a slight difference if you want to export multiple or all contacts. Exporting a single contact works via right-click on the contact -> forward -> first option. But when selecting...
by ds | May 18, 2012 | Mobile phones
The smartphone / tablet and operating systems don’t make it easy to centrally administrate them these days. A few weeks ago, we ordered 6 Samsung Galaxy Tabs 7.0 and 10.1N, current with Android 3.2, and had to find a way for this. The additional software Good...
by ds | May 14, 2012 | Software
Software602 Print2PDF Free is the only free PDF printer software I found with the ability to sign PDF documents. You have to install your certificate in the common Windows certificate store and you are ready to sign with it. PDFCreator also has a signing function, but...
by ds | May 13, 2012 | Software
Windows Media Player does not play .m4a files by default. You can either convert them to mp3, or use this codec. It’s free, easy to install and works under XP, Vista and 7.
by ds | May 12, 2012 | Administration
If you want to sign a PDF (e.g. E-billing), you need to order a certificate. The easy, but expensive way is to order one from the official Adobe partners like these. But you can also use a more affordable certificate like from A-Cert. However, this provider is not in...
