My postfix mail server was taking ages (well, minutes, but still, that is really ages in a computer world) to handle a single email with multiple processes taking a full CPU, all the time! What?
I got it solved (after a couple of hours making U-turns in dead ends) and as always, the answer was really trivial. But I know I’ll be losing another couple of hours next time I run a “yum update”, so here is another in the “let’s blog about it so I remember how to fix it next time” series!
Virtualbox refusing 64bit VMs is something that happens to a lot of people it would seem. A quick search reveals hundreds, thousands, even millions of cries for help on this one…
Continue reading “When VirtualBox won’t let you start 64bit VMs: Windows Defender Device Guard”
Python is a pretty useful language: powerful, easy to use and pretty much everything has a python port or interface available. The main drawback is that, as an interpreted language, it is not the fastest solution. But for the kind of “tinkering” that I do, ease of use really outranks speed.
Now since I prefer to use CentOS, using python version 3 takes a little setup and every time I do this, I need to look up something I forgot, so time for a Cheat-Sheet!
Continue reading “Set up a python 3 virtual environment on CentOS 7.3”
I just spent a couple of hours to get the X2Go Server on Centos 7.3 Virtual Machine in Azure to work and since I will most probably do the same thing again in a couple of months, here is a cheat-sheet.
Feel free to follow it but make sure to replace the IP address and usernames! 🙂
Continue reading “X2Go Server on Centos 7.3 Virtual Machine in Azure”
This is a blatant rip-off from Mariano Guerra’s Blog on enabling CORS in Apache Solr amd he got it from Stack overflow but I look this up on a regular bases so now I added it to my own cheat-sheets. 🙂 Continue reading “Apache Solr – Enable CORS”