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SubnetOnline.com, online subnet calculator tools, online network tools, network resources, downloads, subnetting and CIDR guides and more...

Real-time, web-based network management software. Download trials & free network monitoring tools to detect, diagnose, resolve network & bandwidth issues with network maps, alerts and dashboards. WMI, SNMP monitoring with NetFlow analysis.

A repository for the most elegant and useful UNIX commands. Great commands can be shared, discussed and voted on to provide a comprehensive resource for working from the command-line

A community committed to sharing Perl knowledge and coding tips. The site contains questions and answers, useful snippets, and a library of code.

Get valuable IT training resources for all Cisco certifications. Access IT certification study tools, CCNA practice tests, IT salaries, and find IT jobs.

Engage, Collaborate, Co-Create and Share your knowledge by asking and answering questions in the discussion forums, commenting on blogs, rating videos, and sharing tips and advice in the wiki-style documents on configuring, troubleshooting, and desig...

the intersection of pastebin, help desk, version control, and social networking

TechRepublic helps IT decision-makers identify technologies and strategies to empower workers and streamline business processes. The site delivers a unique blend of original content by IT professionals, peer-to-peer advice from the largest community ...