DNS queries log since 2013
I just found out that I had a DNS queries logs since 2013. So... it is interesting to see what this tells you...…
DNSSEC on a .co.uk domain with BIND and IPv6
PrefaceI finally managed to sign my .co.uk with DNSSEC, whereas the signing happens via IPv6. As the original Nominet documentation about DNSSEC points out (this article is based on that documentation), you would need two nameservers. Familiar with BIND, its concept of "views" came to mind and here is…
Assembly Chess on Raspberry Pi (without any OS)
Some time back I came across Assembly Chess on Raspberry Pi (without any OS) and today I managed to get this done and finished. I am impressed, it is well implemented, and just worked straight out of the box. At least I found some decent use for an empty iPhone…
Run your own DDNS updates for your home server
Update 28th Feb 2015: RFC 2136I came across RFC 2136, which is ironically the same thing what I am describing below. You can find here (taken from pfSense) a documentation how to set it up according to RFC 2136. I managed to run my own nifty DDNS update service for/…
Re: Heartbleed Bug: Public urged to reset all passwords
PrefaceA friend of mine asked me on that article on BBC whether you should change all your password due to that Heartbleed bug within SSL. It seems there are a few things floating around, a few misconceptions and misunderstanding about the problem. First of all, when you access a banking…
When you were young a day seemed like a day...
In the words of my ex-colleague John ("not sure exactly as it was in a time management course about 20 years ago (seems like yesterday!") When you were very young a day seemed to last a year. When you were a teenager a day lasted a week. When you reached…
GBit connection but only ~12MBytes/s transferrate over SSH?
I came about that my SSH setup was only able to transfer ~12MBytes/s. After some digging I found out that SSHv2 is by default using "3des" as the cipher. When I set it specifically with "-c blowfish" to a another secure, but much faster block cipher, I got ~24MBytes/…
Take care of your servers/services/(web)apps as you (hopefully) do with your car
If you want to have your car for a long(er) time, you usually do your servicing, or in other words, you look after it. This is the same what you should be doing with your servers/services/applications what you are responsible for. You look after them, you do…