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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Cacti - the complete RRD-based graphing tool
Cacti is a complete network graphing solution designed to harness the power of RRDTool's
data storage and graphing functionality. Cacti provides a fast poller,
advanced graph templating, multiple data acquisition methods, and user
management features out of the box. All of this is wrapped in an
intuitive, easy to use interface that makes sense for LAN-sized
installations up to complex networks with thousands of devices.
Download the tool here or checkout the more comprehensive list of tools here.
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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