sudo apt update sudo apt install -y fish sudo tee -a /etc/shells <<< /usr/bin/fish sudo chsh -s /usr/bin/fish $USER exit # 退出当前 SSH 会话sudo apt update sudo apt install -y fish sudo tee -a /etc/shells <<< /usr/bin/fish sudo chsh -s /usr/bin/fish $USER exit # 退出当前 SSH 会话