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How to find and remove broken symlinks on Linux

A symlink or "symbolic link" is a Linux file that simply points at another file. If the referenced file is removed, the symlink will remain but not indicate there's a problem until you try to use it. Here are some easy ways to find...


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Cisco takes aim at supporting SASE

Cisco will upgrade and integrate access-control, networking and security products to address the goals of secure access service edge


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Sales of Ethernet switches and routers hit a 7-year low in Q1

COVID-19-related supply-chain issues, uncertainty undercut revenues from switches and routers.


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Cisco grabs ThousandEyes for network-intelligence technology

Cisco said it envisions embedding ThousandEyes technology in a variety of its products including its AppDynamics application performance, SD-WAN, WebEx and Meraki families.


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Career roadmap: Cloud engineer

The shift to the cloud has been so pervasive that it has left a lot of companies with a skills gap they are struggling to fill with professionals who have cloud experience. That makes it a great time to be a cloud engineer.


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SASE helps healthcare company pivot to support remote workers

TrialCard rolls out secure access service edge (SASE), which combines SD-WAN capabilities with network security services.


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COVID-19: Weekly health check of ISPs, cloud providers and conferencing services

Thousand Eyes, which tracks internet and cloud traffic, is providing Network World with weekly updates on the performance of three categories of service provider: ISP, cloud provider, UCaaS


supercomputer / servers / data center / network

Fujitsu delivers exascale supercomputer that you can soon buy

Fujitsu has delivered all the components needed for a supercomputer in Japan that is expected to break the exaFLOP barrier when it comes online next year, and that delivery means that the same class of hardware will be available...


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Coronavirus pandemic highlights medical IoT security risks

With more of us connecting with our healthcare providers virtually during the coronavirus pandemic, hackers may find it more appealing to attack medical or hospital systems. Increased amounts of data due to telemedicine and medical...


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How NDR protects your network from cyberthreats

Three steps to finding a network detection and response product that prevents, detects, investigates, identifies, responds and mitigates cyberattacks.


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Rethinking collaboration: 6 vendors offer new paths to remote work

With the need for efficient collaboration tools exploding in recent months, a variety of companies hope to refine how those tools work and what they can do. We look at six now pushing the envelope.


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Use of cloud collaboration tools surges and so do attacks

Some industries have seen increases in cloud-related threat events rise as much as 1,350% since the COVID-19 crisis began.


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Dell offers on-prem storage integration with Google Cloud

Dell EMC's Cloud OneFS for Google Cloud promise to move 50 petabytes between corporate data centers and Google Cloud at very high speed for computational jobs.


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How to use tmux to create a multi-pane Linux terminal window

tmux is a terminal multiplexer – a tool that allows you to open multiple panes in a single terminal window and run separate commands in each of them. This post provides an introduction to tmux including how to navigate between the...


access control / authentication / privileges / security / key

Enterprises look to SASE to bolster security for remote workers

COVID-19 has accelerated some companies' plans to adopt secure access service edge (SASE), which combines SD-WAN capabilities with network security services.