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5 Linux commands for measuring disk activity

Network World

Linux provides quite a few useful commands for gauging disk activity. The dstat command provides valuable insights into overall Linux system performance, pretty much replacing a collection of older tools, such as vmstat, netstat, iostat, and ifstat, with a flexible and powerful command that combines their features. iostat Linux 6.8.9-100.fc38.x86_64

Linux 368
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How a university got itself banned from the Linux kernel

The Verge

Fifteen days later, the University of Minnesota was banned from contributing to the Linux kernel. “I I suggest you find a different community to do experiments on,” wrote Linux Foundation fellow Greg Kroah-Hartman in a livid email. But among the other major characters — the Linux developers — there was no such hesitancy.

Linux 126
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Wrapping libvirt Virtual Networks Around Open vSwitch Fake Bridges

Scott Lowe

Interoperability Networking Virtualization Linux OSS OVS' Based on my testing, it even appears that you can make this change on the fly, without having to reboot the guest domain. However, I could be wrong—if anyone knows definitively, please speak up in the comments. Using VLANs with OVS and libvirt. Layer 3 Routing with Open vSwitch.

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Using VLANs with OVS and libvirt

Scott Lowe

Second, you must include the portgroup reference to the virtual network in the domain (guest VM) configuration. The easiest way I’ve found to create the virtual network is to craft the network XML definition manually, then import it into libvirt using virsh net-define. Let’s look at each of these steps. > element.

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A Hitchhiker?s Guide to Windows Containers

Linux Academy

First, I want to acknowledge that there is a big difference between Linux and Windows containers. Linux containers have been around for many decades, in one form or another. The Linux operating system naturally lent itself to taking advantage of containers using namespaces and control groups (cgroups). Why Windows?

Windows 129
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Getting Started with Go

SPF13

export GOPATH=$USER/go export GOROOT= go env GOROOT PATH=$PATH:$GOPATH/bin Linux & Mac 51 Add this to your ~/.bashrc New( ) •new(T) Does 2 things at once: •Allocates new zeroed value of type T •Returns a pointer to the new value ( *T) •Used for all non-reference types 111. modular web apps & services •net/http?

Licensing 257
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Rackspace’s CTO takes a broad view of sustainability

CIO Business Intelligence

Two decades ago, as CIO and CTO at Nationwide Insurance, he inspired colleagues to implement what were then referred to as “green initiatives,” such as printing less paper and using more efficient lightbulbs. By choosing them, enterprises are almost adopting net zero by proxy,” Koushik says.

CTO Hire 130