By Jason Edelman

Automation is the hot skillset that community engineers have to choose up. very similar to sysadmins have needed to find out how to use new instruments like Chef and Puppet, community engineers are studying that they simply cannot do issues manually anymore. With examples in each one bankruptcy, this sensible publication will give you baseline abilities in community programmability and automation, utilizing a number of applied sciences together with Linux, Python, JSON, and XML. No prior wisdom of software program improvement, programming, automation, or DevOps is required.

  • Understand the fundamentals of Linux as utilized to networking
  • Learn how one can use textual content editors and Python to automate networks
  • Apply sound software program layout rules like non-stop integration, DevOps, resource keep watch over, and so on. to optimize networks

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Extra info for Network Programmability and Automation: Skills for the Next-Generation Network Engineer

Sample text

After all, what in the world does Linux, a UNIX-like operating system, have to do with network automation and programmability? There are several reasons why we felt this content was important. First, several modern network operating systems (NOSes) are based on Linux, although some use a custom command line interface (CLI) that means they don’t look or act like Linux. Others, however, do expose the Linux internals and/or use a Linux shell such as bash. Second, some new companies and organizations are bringing to market full Linux distributions that are targeted at network equipment.

Otherwise, you might end up performing some action on a different file or directory than what you intended! This is particularly important when it comes to manipulating files and directories, which we’ll discuss in the next section. Before moving on, though, there are a few more navigational commands we need to discuss. To move up one level in the file system (for example, to move from /usr/local/bin/ to /usr/local/), you can use the .. shortcut. Every directory contains a special entry, named ..

Virtual Switching The more common virtual switches on the market these days include the VMware standard switch (VSS), VMware distributed switch (VDS), Cisco Nexus 1000V, Cisco Application Virtual Switch (AVS), and the open source Open vSwitch (OVS). These switches every so often get wrapped into the SDN discussion, but in reality they are software-based switches that reside in the hypervisor kernel providing local network connectivity between virtual machines (and now containers). They provide functions such as MAC learning and features like Link Aggregation, SPAN, and sFlow just like their physical switch counterparts have been doing for years.

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