# Using tmux on mac

Published:

Terminal multiplexer software, such as tmux and screen, is a useful tool. When using tmux on mac, I encountered the following error.

\$ tmux ls
Referenced from: /usr/local/opt/libevent/lib/libevent-2.1.6.dylib

With a simple Google search, it turned out that this is can be fixed by specifying a proper openssl version. With Homebrew command:
brew switch openssl 1.0.2t