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2 I have two ubuntu computer shared the same wifi and desire to reach another from one's terminal. First create an user on the second computer named "Second" and hostname "Algorithms" Then tried to reach it from the other with SSH, but get error report as $ ssh second@Algorithms ssh: Could not resolve hostname algorithms: nodename nor servname provided, or not known The solution I tried is based on networking - Reach other computer from the local - Ask Ubuntu What's the problem with my experiment? networking share | improve this question edited 2 days ago user68186