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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Genchi genbutsu - More a frame of mind than a plan of action
This is a Japanese phrase meaning “go and see for yourself”, which is a
central pillar of the Toyota Way, the famous management system adopted
by the Japanese car company. Genchi genbutsu is sometimes
referred to as “get your boots on”, which has a similar cadence and
meaning. It is not dissimilar to the idea behind management by walking
about (MBWA), an all-too-briefly popular American version of the same
principle.
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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