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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As a teenager I sat in the Reunie Hall at Grey College in Bloemfontein and listened to Sir Laurens van der Post. It was in the immediate years before Die Groot Krokodil's Rubicon speech
and many of my mates weren't convinced of a democratic South Africa. It
is probably the greatest speech that I have ever heard where I was
physically present. His central message and philosophy was about
building bridges. It was obvious that he meant us to build bridges
between different races and cultures. One of my mentors, Oom Jood wrote
Die Groot Krokodil's speech which was then changed without him knowing
and it was never delivered. It was left to FW de Klerk to make the
historic announcement 4 years later which resulted in the release of
Mandela and the unbanning of the ANC. Sir Lauren's advice was awesome
but not the best. He was one of the world's greatest thinkers and
philosophers but for me the #BestAdvice come from another source. It has
nothing to do with work, technology, politics or ambition but life.
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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