This is the blog of Ronald Bartels that wanders on and off the subject of problem management (that is how it started). Mostly now the topics are about IoT and SD-WAN.
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Dynasonics
Dynasonics ultrasonic meters measure flow rate by propagating ultrasound
waves into liquid-filled pipes and measuring the reflections. There are
two technologies to choose from based on the fluid properties—transit
time and Doppler. With clamp-on technology, these ultrasonic meters
reside outside the pipe and bring you flow measurement with many
benefits including reduced installation costs, uninterrupted production,
installation flexibility across a wide range of pipe sizes, no pressure
head loss, no contact with internal liquid and no moving parts to
maintain.
Find out more about the product over at Badger Meter here.
Firewalls are becoming increasingly important in today’s world. Hackers and automated scripts are constantly trying to invade your system and use it for Bitcoin mining, botnets or other things. To prevent these attacks, you can use a firewall on your system. IPTables is the strongest firewall in Linux because it can filter packets in the kernel before they reach the application. Using IPTables is not very easy for Linux beginners. We have created easywall - the simple IPTables web interface . The focus of the software is on easy installation and use. Access this neat software over on github: easywall
When building a DDoS mitigation service it’s incredibly tempting to think that the solution is scrubbing centers or scrubbing servers. I, too, thought that was a good idea in the beginning, but experience has shown that there are serious pitfalls to this approach. Read the post of at Cloudflare's blog: N o Scrubs: The Architecture That Made Unmetered Mitigation Possible
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