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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Tickets Make Operations Unnecessarily Miserable
In search of improvement, we have repeatedly bet on new tools to improve our work. We’ve cycled through new platforms (e.g., Virtualization, Cloud, Docker, Kubernetes) and new automation (e.g., Puppet, Chef, Ansible). While each comes with its own merits, has the stress and overload on operations fundamentally changed? Enterprises have also spent the past two decades liberally applying Management frameworks like ITIL and COBIT. Would an average operations engineer say things have gotten better or worse?
In the midst of all of this, there is conventional wisdom that rarely gets questioned.
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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