Nick Janetakis 12/23/2025

Fix Open Terminal Failed Error with tmux

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This article explains the cause and solution for the 'open terminal failed: not a terminal' error in tmux, which typically occurs due to version incompatibilities between the tmux server and client after an upgrade. The recommended fix is to kill the tmux server and restart it, potentially using tmux resurrect to restore sessions.

Fix Open Terminal Failed Error with tmux

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