Update tmux config to work on linux with tmux 3.0a

tmux.conf

@@ -41,8 +41,16 @@ unbind [
 bind Escape copy-mode
 unbind p
 bind p paste-buffer
-bind-key -Tcopy-mode-vi 'v' send -X begin-selection
-bind-key -Tcopy-mode-vi 'y' send -X copy-selection
+bind-key -T copy-mode-vi 'v' send -X begin-selection
+bind-key -T copy-mode-vi 'y' send -X copy-selection
+
+# Linux
+bind -T copy-mode-vi Enter send-keys -X copy-pipe-and-cancel "xclip -in -selection clipboard"
+bind-key -T copy-mode-vi MouseDragEnd1Pane send -X copy-pipe-and-cancel "xclip -in -selection clipboard"
+
+# macOS
+#bind -T copy-mode-vi Enter send-keys -X copy-pipe-and-cancel "pbcopy"
+#bind-key -T copy-mode-vi MouseDragEnd1Pane send -X copy-pipe-and-cancel "pbcopy"
 
 # Make switch session shortcut repeatable
 bind -r ( switch-client -p
@@ -56,7 +64,7 @@ bind C-a send-prefix
 
 # Create panes bindings
 bind | split-window -h
-bind \ split-window -h
+bind \\ split-window -h
 bind - split-window -v
 
 # Vim bindings