String manipulation is a skill that is useful almost on daily basis for most IT professionals. Search, replace, count, filter, order text files from the command line make the process repeatable and fast, without too much clickety-click. Awk, sed, sort, cut, uniq are powerful tools to master. Today my focus is on sed that helped me during the migration to the new theme of my website sed (stream editor) is a non-interactive command-line text editor.

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Where the vNic meets the SDN

Network Engineer