Tim Greene

Executive Editor

Tim Greene is executive editor of Network World.

IBM closes $34B Red Hat deal, vaults into multi-cloud

10 of the world's fastest supercomputers

10 of the world's fastest supercomputers

The fastest supercomputers in the world as ranked by TOP500 have reached a new milestone: all of the 500 systems on the list deliver at least 1 petaflop. These systems power scientific research at institutions around the world.

Qualcomm loses case about its mobile-chip licensing fees

As 5G technology gears up, a federal court has ruled that Qualcomm’s ‘onerous’ fees for its mobile chips violate antitrust law.

Study: Most enterprise IoT transactions are unencrypted

Study: Most enterprise IoT transactions are unencrypted

A Zscaler report finds 91.5% of IoT communications within enterprises are in plaintext and so susceptible to interference.

HPE to buy Cray, offer HPC as a service

HPE to buy Cray, offer HPC as a service

High-performance computing offerings from HPE plus Cray could enable things like AI, ML, high-speed financial trading, creation digital twins for entire enterprise networks.

Must-know Linux Commands

Must-know Linux Commands

A compilation of essential commands for searching, monitoring and securing Linux systems - plus the Linux Command Line Cheat Sheet.

Russia demands access to VPN providers’ servers

Russia demands access to VPN providers’ servers

10 VPN service providers have been ordered to link their servers in Russia to the state censorship agency by April 26

DoE plans world's fastest supercomputer

DoE plans world's fastest supercomputer

Aurora, the planned Department of Energy supercomputer, will be three powers of 10 faster than the current fastest supercomputer when it is delivered to Argonne National Laboratory in 2021.

What is a firewall? Much more than network-perimeter defense

What is a firewall? Much more than network-perimeter defense

Network firewalls were created as the primary perimeter defense for most organizations, but since its creation the technology has spawned many iterations: proxy, stateful, Web app, next-generation that are explained here.

Tech calendar 2018-19: Upcoming events of interest to IT pros

This technology-events calendar is sortable and updated weekly to provide details for IT pros interested in learning more about technology and networking with their peers.

What is a private cloud? [ And some things that it's not ]

What is a private cloud? [ And some things that it's not ]

Here's a clear definition of private cloud that should help lift some of misconceptions about what private cloud is and is not, and reaffirm that private cloud is definitely not dead.

Cisco adds new capabilities to its IBN infrastructure

Cisco adds new capabilities to its IBN infrastructure

Cisco has advanced its intent-based networking gear so now it can both verify that networks are actually running according to the intentions set by admins and also so it can help to find and resolve network problems faster on both...

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