Ubuntu - change tmux 1.8 to tmux-next 1.9 -

after tried install few plugins tmux found tmux version 1.8.

following steps answer install tmux 2.1: ugrade tmux 1.8 1.9 on ubuntu 14.04 (i didn't found tmux=1.9a-1~ppa1~t , instead install tmux-next , substitute link in usr bin sudo ln -sf $(which tmux-next) /usr/bin/tmux

tmux works nicely, didn't load config. tried tmux source, should tmux source every time use tmux.

and after errors:

unknown option: mode-mouse unknown option: mode-mouse unknown option: mouse-select-pane unknown option: mouse-resize-pane unknown option: mouse-select-window unknown option: mode-mouse unknown option: mode-mouse 

is tmux-next same tmux? , should load .tmux.conf automatically?

just have installed tmux 2.1 on ubuntu server , faced same problem. solution me delete unknown options , add lines instead:

 set -g mouse-utf8 on  set -g mouse on 

now in tmux 2.1 can choose pane, window , resize mouse in tmux 1.8

mouse support section of 'man tmux':

"the default key bindings allow mouse used select , resize panes, copy text , change window using status line. these take effect if mouse option turned on."

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update (since there lot of questions):

0 install:

brew cask install easysimbl 

1 download .dmg file here: https://bitheap.org/mouseterm/

2 execute:

cd /volumes/mouseterm && cp -r mouseterm.bundle /library/application\ support/simbl/plugins 

3 add .tmux.conf file:

set -g mouse-utf8 on set -g mouse on bind -n wheeluppane   select-pane -t= \; copy-mode -e \; send-keys -m bind -n wheeldownpane select-pane -t= \;                 send-keys -m 

4 reload tmux

5 scroll!!!1

i hope help. works me on iterm 2/os x el capitan/tmux-2.1