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 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...
by ds | May 10, 2012 | Administration
A few weeks ago, Microsoft decided to migrate an existing BPOS system to Office365 without any information regarding the migration date before. Some months before they sent information mails that the migration would be “in the nexts months”, and suddenly...
