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Decisions about Linux and SmartOS
Jennifer Briston

Netdata introduces Linux eBPF (Extended Berkeley Packet Filter) monitoring. With this enabled, monitor real-time metrics of Linux kernel functions and actions from the very same monitoring and troubleshooting dashboard used for watching entire systems, or even entire infrastructures.

This collector uses eBPF to monitor system calls inside your operating system’s kernel. For now, the main goal of this plugin is to monitor IO and process management on the host where it is running.

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Justin Dorfman
Open Source Program Manager at Reblaze · | 1 upvote · 35K views

If you have a file (demo.txt) that has 3 columns:

Column-1    Column-2    Column-3
Row-1a      Row-2a      Row-3a         
Row-1b      Row-2b      Row-3b
Row-1c      Row-2c      Row-3c
Row-1d      Row-2d      Row-3d
Row-1e      Row-2e      Row-3e

and you want to only view the first column of the file in your CLI, run the following:

awk {'print $1'} demo.txt

Column-1
Row-1a
Row-1b
Row-1c
Row-1d
Row-1e

If you want to print the second column of demo.txt, just replace $1 with $2

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    What is Linux?

    A clone of the operating system Unix, written from scratch by Linus Torvalds with assistance from a loosely-knit team of hackers across the Net. It aims towards POSIX and Single UNIX Specification compliance.

    What is SmartOS?

    It combines the capabilities you get from a lightweight container OS, optimized to deliver containers, with the robust security, networking and storage capabilities you’ve come to expect and depend on from a hardware hypervisor.

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      What are some alternatives to Linux and SmartOS?
      Ubuntu
      Ubuntu is an ancient African word meaning ‘humanity to others’. It also means ‘I am what I am because of who we all are’. The Ubuntu operating system brings the spirit of Ubuntu to the world of computers.
      Arch Linux
      A lightweight and flexible Linux distribution that tries to Keep It Simple.
      Android SDK
      Android provides a rich application framework that allows you to build innovative apps and games for mobile devices in a Java language environment.
      Windows 10
      It is the latest iteration of the Microsoft operating systems and has been optimized for home PC performance in a wide variety of applications from serious work to after-hours gaming.
      Windows
      A series of personal computer operating systems produced by Microsoft as part of its Windows NT family of operating systems.
      See all alternatives