Howto: Ethereum/Expanse Mining with Ubuntu 16.04.3 LTS

First of all – install Ubuntu [1]. This should be actually straight forward. After running the installation I suggest to do a software update. Just drop the more or less “standard” lines: sudo apt-get updatesudo apt-get upgrade To be able to mine, I suggest to check the video card drivers. In my case for the… Read More »

Optimizing geth client for Ethereum

Running the geth client [1] in default mode, requires after some time, quite a big amount of disc space. To optimize it, the fast syncmode can be enabled. What is does is basically syncing only the latest part of the blockckain instead of the whole chain. So after running the Ethereum Pool on ethertrench.com [2]… Read More »

DDOS protection

Did you ever wondered what cloudflare [1] is? It is basically an protection against Distributed Denial of Service attack [2], where your server is attacked via a massive flood of incoming traffic, trying to overload your server. But there is an easy and cost saving way to protect your server – of course if you… Read More »

Cryptocurrencies – Gamblers and Game Changers

There is currently a big hype around cryptocurrencies and a kind of battle between Bitcoin and all the Altcoins (alternative Coins). Bitcoin seems to have the first-mover advantage, as techologically, it is lacking behind a majority of other coins. Bitcoin created a brand and this is rewarded with an explosive up-drift in their exchange rate.… Read More »

Ethereum, Ethereum Classic & Expanse: Basics about Mining and Mining Pools

In advance, I would like to highlight, that this article will focus on the mining of the following 3 Ethash (previously known as Dagger-Hashimoto) algorithm based  cryptocurrencies: Ethereum Ethereum Classic Expanse Basics about Mining Basically each minable cryptocurrency can be mined solo (stand-alone), with GPU and/or CPU power. CPU mining is not to be considered efficient… Read More »

Private Pilot Licence – Navigation

Okay, navigation is one of the most difficult parts during the training – theoretically and practically. On the theoretical part you might struggle with abbreviations like QDM, QTE and QUJ. On the other side, in one of the first practical lessons I have learned that from top, everything looks similar (at least in the beginning).… Read More »

Windows 10 and SSD ending up in disk error

To speed up my PC, I decided to buy & install a SSD hard disc. As I have a Windows 10 with plenty of applications and data running I thought about a migration via a disc clone. Therefore, I first cleaned up my “old” hard disc. I de-installed software I haven’t used for years and… Read More »

Outsourcing – the holy hand-grenade of Antioch

Outsourcing – the holy handgrenade of Antioch [1]! As shown in Monty Python and the holy grail [2], that is how certain managers see outsourcing as the solution for cost savings. Short term Starting an outsourcing project requires in a first step to document everything. This requires a kind of feedback-circle, and cannot be done… Read More »

Information about Flight Accidents

As a pilot your are always trying to improve your skills. Therefore it is always good to get reports on flight accidents, causes and possible failures. I actually like the Aviation Herald [1] quite much since it provides always the latest issues/incidents with quite good reports. Another quite good page is the Aviation Safety Network… Read More »

Howto start with Bitcoin

Within the last months I have heard a lot about Bitcoin. So I thought to get a bit into this topic. According to Wikipedia [1] it is a decentralized cryptocurrency. The main advantages are basically that the currency is managed decentral, meaning that there are basically no banks required to do any transaction. In addition… Read More »