The thickest book on my shelf is no longer O’Reilly’s sendmail (Second Edition) nor is it Learning Java (Third Edition). No, these hefty (nearly 2″ thick) books have been outsized by a newcomer — a ...

Ethernet is ubiquitous—it is the core technology that defines the Internet and serves to connect the world in ways that people could not imagine even one generation ago. HPC clusters are working on ...

Back in the day, when Wi-Fi routers weren't as popular, you would find most people using RJ45 Ethernet cables to connect their computers to the internet. Even now, lots of users default to a wired ...

Every Linux enthusiast or administrator, at some point, encounters the need to configure or troubleshoot network settings. While the process can appear intimidating, with the right knowledge and tools ...

Every network should have a customized manual of sorts with maps showing the network layout and written documentation on all the basic aspects of the network. Although you or some other IT superhero ...

Ethernet is ubiquitous. As long as it is the protocol of choice in IT, and the cost of even industrially hardened Ethernet switches and I/O are low, Ethernet will remain the communication protocol of ...

When choosing the Ethernet technology that might best fit your industrial system, you first need to have some base information: • How many I/O points do you have? • How fast do you need the ...

Terms can sometimes play tricks on the mind. Take EtherNet/IP, for example. Many people will read “IP” as internet protocol and think that EtherNet/IP refers to plain old, standard industrial Ethernet ...

Linux provides two very useful tools for diagnosing network troubles: arp and ip neigh. $ arp Address HWtype HWaddress Flags Mask Iface fruitfly ether 7c:67:a2:cf:9f:ef CM enp0s25 Comtrend.Home ether ...

Many a time IT admin needs to set up multiple IP addresses to the same network adapter. Situations such as hosting multiple SSL sites can speed up traffic exchanges, which can bypass the gateway in ...