Greetings friends! After I upgraded my old MacBook Pro to High Sierra 10.13, Terminal surprised me with something like this: “telnet command not found on Mac”. What? It turns out! He was deleted! Well, here the question arose of how to return telnet on Mac?

Install Telnet on Mac via Homebrew

You must first install the missing Homebrew package manager. What does Homebrew do? Homebrew installs the packages you need that are not provided by Apple. Use this step-by-step guide for the fastest solution:

  • Install Homebrew via Terminal:
/usr/bin/ruby -e "$(curl -fsSL"
  • Install telnet using the Homebrew package manager:
brew install telnet
  • We are waiting for the installation to complete;
  • Now telnet is installed on macOS High Sierra. We check the performance:

Read more: How to Use the Port Scanner in macOS Network Utility?


Of course, now few people use the telnet protocol, because there is SSH more powerful and secured tool, but still telnet sometimes could be necessary. Apple is so reckled about our security from that to exclude telnet from the list of basic Terminal commands on Mac.

It’s the best time to ask questions and give us your feedback in comments.


Hi there! My Name is Vincent Lago! My goal is to share insightful reviews, guides, and manuals for people looking to know more about current solutions for Apple hardware and OS. I have years of technological background knowledge including owning a custom iMacs & PCs which was using for different types of business. And now, I want to share my experience with you.

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