Trends like open networking and adoption of the Linux operating system by network equipment vendors require network administrators and engineers to have a basic knowledge of Linux-based command-line utilities.
When I worked full-time as a network engineer, my Linux skills helped me with the tasks of design, implementation, and support of enterprise networks. I was able to efficiently collect information needed to do network design, verify routing and availability during configuration changes, and grab troubleshooting data necessary to quickly fix outages that were impacting users and business operations. Here is a list of some of the command-line utilities I recommend to network engineers.
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