Say Goodbye to Post Mortems, Say Hello to Effective Problem Management

This paper describes the problem management process my company uses to investigate, classify, communicate and remediate the causes of service outages. Most outages have multiple addressable root causes; our process links these to the outage for analysis and assignment of multi le remediation actions. Root causes can also be analyzed in dependently, providing powerful trending metrics. The evolution of our problem management system is discussed, along with classification methods and items tracked. This process has proven to be very effective in eliminating repeat outages.

Read the paper here.

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easywall - Web interface for easy use of the IPTables firewall on Linux systems written in Python3.

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

No Scrubs: The Architecture That Made Unmetered Mitigation Possible

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

Thinking problem management!

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