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Serious 10-year-old flaw in Linux sudo command; a new version patches it

A vulnerability in sudo can elevate unprivileged users to root privileges.


data protection / security / risk management / data privacy / GDPR

Cisco bolsters edge networking family with expanded SD-WAN, security options

Cisco this week expanded its Catalyst 8000 Edge Platform family to offer enterprise edge customers more secure SD-WAN and cloud resource access options.


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Using vim to quickly encrypt and decrypt files

Most Linux users know vim as a text editor that descended from vi. It can also function as a tool for encrypting text files. In this post, we examine how this is done and how to reverse the process.


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Gartner: 2021 IT spending rally could hit $3.9T

Gartner says businesses need to advance their digital-transformation plans 5 years to survive in a post-pandemic world.


filling legacy tech skills gap

Hot network certifications: Multi-skill certs to dominate 2021

As organizations shifted to home-based work, certifying bodies saw the biggest increase in entry-level networking certifications. But in 2021, more advanced, cross-certifications that combine skills will rank among the most...


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IT workforce suffering under COVID-19, waiting on herd immunity for rebound

Middle-management IT salaries take a hit, bonuses and raises ‘all but eliminated’ by COVID-19, an IT-management consultancy report says.


network connections

Examining network connections on Linux systems

Linux systems provide a lot of useful commands for reviewing network configuration and connections. Here's a look at a few, including ifquery, ifup, ifdown and ifconfig.


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How a Linux migration led to the creation of Amazon Web Services

Former Amazon executive documents how getting off Sun hardware to Linux saved the company and led to AWS.


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VMware takes an executive talent hit but can handle it

Three executive departures in less than a month is a tough situation, but Pat Gelsinger is leaving VMware with a deep management bench.


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How-to measure enterprise Wi-Fi speeds

Step-by-step strategy for figuring out the best tools for testing the speed of Wi-Fi connections in trouble spots or across an entire wireless network.


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Internet of Things (IoT) / security alert / wireless network management

Wi-Fi 6E: When it’s coming and what it’s good for

New wireless spectrum recently dedicated to Wi-Fi allows for more channels and higher density deployments.


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Test and review of 4 Wi-Fi 6 routers: Who's the fastest?

We tested Wi-Fi 6 routers from Extreme, Cisco, EnGenius and Meraki to find out whether these access points deliver on the promise of better throughput from the latest Wi-Fi standard


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5 questions to answer before deploying Wi-Fi 6

Wi-Fi 6 offers many valuable new features including speed and higher density, but it’s different from its predecessors, so make sure your wired network and your organization are ready for it.


Future Wi-Fi

How to determine if Wi-Fi 6 is right for you

Wi-Fi 6 is on the horizon. Follow these steps to determine if your business should upgrade to the new wireless standard and how to prepare.


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Cisco tags critical security holes in SD-WAN software

Cisco has noted and fixed two “critical” and a number of “high” degree vulnerabilities in its SD-WAN software portfolio.