Top 10 free open source tools for network admins

From troubleshooting DNS queries and misbehaving network applications to keeping your configurations and passwords organized, these free open source tools have you covered

By High Mobley, InfoWorld |  Networking, admin tools, network administration

Routing issues, slow network applications, DNS resolution problems -- a network administrator has to deal with a host of network nuisances on a daily basis. How do you survive when you're constantly under the gun to fix the problems? Like any other professional, you need a solid set of tools.

Not surprisingly, plenty of options exist in the open source camp. Excellent open source software tools are available to help you keep a close watch over your network, as well as meet many other needs of the busy network manager. From monitoring, troubleshooting, and security analysis tools to utilities for keeping track of IP allocations, passwords, and router configurations, here are my top 10 picks of the most essential open source tools for our network admin toolbox -- all free for the downloading.

[ Also on InfoWorld: "The six immutable laws for troubleshooting IT" | "Everything you need to know about building solid, reliable networks" | "10 tips for boosting network performance" | "Killer open source monitoring tools ]

This is by no means an exhaustive list of open source networking utilities available, and I've merely touched on their capabilities. Are there other free open source tools that you use regularly but we didn't list here? Leave a comment and let us know!

Top free open source tools for network admins: DigDNS problems plague us all, and they're easily overlooked when troubleshooting, so you need a reliable tool that provides detailed information about how users' DNS queries are being resolved. Why not use the tool made by the Internet Systems Consortium, the same group that produces the BIND DNS server software running the majority of DNS servers worldwide? That tool is Dig.


Originally published on InfoWorld |  Click here to read the original story.
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