Aeronetworks sro - Airborne Linux

A hobby project needs to be simple, so that I can sit down, stare at the circuit for a few seconds and carry on without having to read a manual and consult six data sheets, because then it feels like work.  Consequently, I found that thermionic valves make ideal hobby toys, since the circuitry necessarily has to be simple.  One can use a double handful of ICs and transistors in a hair brained design, but with tubes, two or three are the practical limit and this forces one to think carefully about what one wants to do and keep it elegant. Here is my olde skool guitar amplifier: http://www.aeronetworks.ca/2015/02/cool-amplifier.html It works a treat. There is nothing quite like the mystical glow of a Nixie Tube.  The Nixie is a special kind of neon lamp.  The Neon glows in space surrounding the almost invisibly thin cathode wires.  The wire itself is cold - it is the gas around it that glows and the glowing area is much wider than the wires. A Nixi...

It is a big Microsoft security waste of time, again and again... The quality of computer software bears no relationship to its price.   In fact, the best software tends to be free. I usually tell friends and family that I don't do Windows .  They then assume that I am one of those weird Mac users.  They are correct of course - I am weird and I use a Mac too - amongst many other types of machines, including those most annoying Windows machines... Long ago, I used to tell people that they can use Microsoft software: It is rather buggy, but it is cheap.   Nowadays however, it is still buggy and very expensive, especially so when you factor in the maintenance cost. If you are one of those weird people who insists on wasting money on expensive bad quality software , then you should immediately read this: https://www.theregister.co.uk/2017/05/13/wannacrypt_ransomware_worm/ and this: https://blogs.technet.microsoft.com/msrc/2017/05/12/custom...

Engineers will recognize that this post is about stock trading, others may wonder what is a stochastic system . Market price data is a time series of mostly random data, a stochastic system .  So a Day Trader is a Stochastic Systems Analyst - now doesn't that sound fancy! Investopedia Simulator   The one thing I learned over the years is that if you want to make money from trading stocks or futures, then you need to have a simple and well defined system, with easy to calculate entry and exit criteria, otherwise you will eventually lose your shirt. As the late Douglas Adams, the famous galactic economist of Bistromatics fame said:    When it is infinitely improbable that something will ever happen,  it will happen almost immediately. Price data is mostly random.  In retrospect it seems to follow a trend and engineers and computer programmers get duped into thinking that they can easily devise a system to do automated trading based on historical ...

Casting About Video multicast routing usually 'Just Works'.  Occasionally it doesn't work at all, or the video streams for a few minutes only and then one is left scratching one's head... To find out what is wrong, one has to know how to analyze a playback streaming problem when it happens. Here is something to read on streaming, multicasting and the Internet Group Management Protocol (IGMP): http://www.tldp.org/HOWTO/text/Multicast-HOWTO   Multicast Version Sometimes is is necessary to use a specific version of IGMP to get things to work. One can force the IGMP version in the /proc/sys/net/ipv4/conf/eth0/force_igmp_version to 0 (auto), 2 or 3. Multicast Routing The multicast address subnet is the 224.x.y.z address range.  For routing to work at all, you need a multicast route, set with a command like this: # route add -net 224.0.0.0 netmask 240.0.0.0 dev eth0 That is if your ethernet port is eth0.  Mine is enp0s26u1u1 at the moment - I...