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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BA IT systems failure: Uninterruptible Power Supply was interrupted
An IT bod from a data centre consultancy has been fingered as the
person responsible for killing wannabe budget airline British Airways'
Boadicea House data centre – and an explanation has emerged as to what
killed the DC. Earlier this week Alex Cruz, BA's chief exec, said a major "power surge"
at 0930 on Saturday 27 May caused the airline's systems to "collapse".
Its Boadicea House (BoHo) data centre went down for around a quarter of
an hour, seemingly taking the airline's failover systems with it.
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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