tmux is a terminal multiplexer: it enables a number of terminals (or windows), each running a separate program, to be created, accessed, and controlled from a single screen. tmux may be detached from a screen and continue running in the background, then later reattached.

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2
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1answer
497 views

Byobu - send command to byobu tmux session from commandline (or bash/sh)

I run a script which I would like to print the status to a byobu tmux session. So for example print backup finished \n. Is it possible to do this with the name of the byobu tmux window, which you can ...
8
votes
3answers
2k views

How do I know the name of a tmux session?

Recently, I started using tmux. I find it nice, but I'm still having issues understanding this application. One of the basic questions I have is: How do I know (from the command line) what is the name ...
1
vote
1answer
947 views

How do I find out the keycodes for Ctrl+up and down arrow for TERM=screen?

I am using tmux a lot, and I have already managed to tune my OS X terminal to send the correct key codes for Ctrl+left and right arrow (\033b and \033f). I found those information on the web. However, ...
3
votes
2answers
1k views

copy from tmux to any editor not working

I am trying to copy from tmux to my browser. I followed the post Copying between tmux buffers and the system clipboard which tells me to add setw -g mode-keys vi bind-key -t vi-copy 'v' ...
12
votes
2answers
4k views

tmux copy mode search highlight

Is there any way to highlight the searched term in tmux copy mode? Below is my tmux config: # remap prefix to Control + a set -g prefix C-a unbind C-b bind C-a send-prefix bind a send-prefix # ...
1
vote
1answer
98 views

tmux.conf: Prefix depends on whether session is remote

I'm trying to run tmux sessions inside and outside of a remote ssh session, so I want to use c-b prefix for the outer (local) session and c-a prefix inner (remote) session. My question is how can it ...
2
votes
1answer
2k views

Re-set $TMUX after unsetting

I did the following to try and get Byobu to work (see http://stackoverflow.com/questions/19099018/byobu-error-sessions-should-be-nested-with-care-unset-tmux-to-force ) on a Ubuntu server droplet I ...
1
vote
0answers
14 views

Multiple bindings for the same action [duplicate]

Like many screen users I'm used to Ctrla, so on my machine I changed the binding to Ctrla, however, I wish to keep Ctrlb since on some machines it's the default and when sharing work with other people ...
1
vote
1answer
70 views

How can I make C-j send a newline in the tmux command line?

I have grown fond of using C-j instead of <ENTER> to send newlines. Unfortunately, in the tmux command line (invoked with prefix-: by default), C-j does not do anything, even with set -gw ...
3
votes
1answer
730 views

mirroring a pane between two windows

Is it possible to have the same pane appear in two different windows of a single tmux session? I typically have a single horizontal split in my main window with vim in the top pane (about 80-90% of ...
1
vote
2answers
283 views

Why do you need screen/tmux to keep a remote program running

When I ssh to a server and start a script that is supposed to run for several days, it stops executing some time after I log off. Why? I suppose the server runs 24/7. And what does screen/tmux do to ...
2
votes
1answer
393 views

Send keystrokes to a process on Console

If I have a terminal with a shell open, how can I write a shell script (any scripting language is ok with me!) that will send a keystroke to any one of the running processes? As an example, how could ...
3
votes
1answer
76 views

Vim Window in Tmux

In Tmux, how do I assign a particular program to a particular window, so that all calls to that program from a shell in another window in Tmux will go to that program? One example would be a window ...
21
votes
7answers
25k views

How to start tmux with attach if a session exists

If I use tmux attach I can attach to a running session but if there is no session running, I only get the error no sessions How can I automatically start a new session if there is none running? ...
4
votes
1answer
81 views

tmux: Keep scroll position when changing session

Sometimes I'm scrolling up a log file and need to switch sessions, so open the session menu with prefix-s. This causes tmux to forget the window's scroll position, so that when I return it's at the ...
2
votes
1answer
267 views

Capture colors with tmux buffer copy (hardcopy)

I am using the following line in tmux for getting a "hardcopy" feature like in GNU Screen: bind H capture-pane \; save-buffer -b 0 ~/tmux.hardcopy \; delete-buffer -b 0 However, the ANSI colors are ...
5
votes
2answers
406 views

Can I make a tmux pane “sticky”?

Is it possible to make one or more tmux panes "sticky"? I.e. these panes will appear in all windows which are currently available in my tmux session?
2
votes
1answer
491 views

Garbled text in tmux menus

I am trying to use the st terminal, but after starting tmux (or screen) in a remote ssh session, the text becomes all garbled. Exiting tmux/screen makes text normal again. Now, I have found that this ...
3
votes
2answers
749 views

How to detect if tmux is attached?

I have a Irssi running within a tmux session, and am working on writing a Irssi script (extension) to send me an email when someone PMs or mentions me when I'm not attached to the tmux session. ...
2
votes
1answer
379 views

How can I bind Ctrl-Alt-[0-9] in Tmux?

I am able to bind Ctrl-Alt-[a-z] using M-C-a, M-C-b etc. However, when I attempt to bind Ctrl-Alt and a number key I get: .tmux.conf: 45: unknown key: M-C-0 Any idea why? I'm running tmux ver 1.7 ...
18
votes
2answers
9k views

New Tmux Panes go to the same directory as the current pane; new tmux windows go to home directory?

Can anyone help me set up this configuration? If I create a new pane, the new pane should start out in the same working directory as the pane I was just in. If I create a new window, the new window ...
2
votes
1answer
321 views

Let remote ssh session know about tmux?

Assume I run a tmux session on machine A and from it I start an interactive shell via ssh to machine B. I'd like to change machine B's PS1 to better suit the use from under tmux; for instance, I'd ...
1
vote
1answer
512 views

Split tmux windows with same keys as in Emacs?

In emacs, you split a window with C-x 2 (one above the other) or C-x 3 (one next to the other). How can I get the same key bindings in tmux? Also, once a window is split, in emacs you cycle through ...
4
votes
1answer
872 views

tmux consuming 100% of cpu

I've been running byobu for a while now, and in the last few hours it has started to consume 30-100% of the CPU on the core it's running on. This a noticeable delay when entering text, or switching ...
1
vote
1answer
399 views

In Centos, where is the default or global tmux configuration files stored?

I haven't used tmux in awhile and I forgot where is this installed. how can I find out where this is installed and which default / global configuration file is being loaded?
1
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0answers
27 views

How to prevent tmux from reading .profile/.zprofile/.bash_profile [duplicate]

The original question Is it possible to override tmux's default behaviour of executing .[z|bash_]profile files on every new session, window and pane? In other words, I'd like it to only execute ...
4
votes
1answer
1k views

Using Ctrl+[0-9] to cycle between windows using tmux

I have started using tmux but I feel that using Ctrlb0-9 is very annoying, because it's used so often. How do I bind the keyboard so I only need to do Ctrl0-9 for changing windows (like in Chrome)? ...
3
votes
1answer
115 views

Make tmux tabs arrange more like traditional tabs

Tmux is a great piece of software, which almost replaced me my terminal "terminator", especially with it's <bindkey>-z in recent versions. The main annoyance I have with tmux is that whenever I ...
2
votes
1answer
441 views

How to add tmux confirm prompt when I kill a window?

I see in tmux's list-keys: bind-key & confirm-before -p "kill-window #W? (y/n)" kill-window I use tmuxinator, and will often go overboard on the Ctrl-D, where I accidentally close a window. Is ...
3
votes
2answers
164 views

How do I drop to a shell after exiting a command I started by scripting tmux?

I'm following this tutorial for scripting the creation of tmux windows. tmux new-window t $SESSION:0 -k -n MAIN 'cd ~/main/ && perl -Ilib myapp' sometimes I kill myapp after I've started ...
3
votes
0answers
272 views

“Overlay” a shell prompt on top of a terminal session? [closed]

I have several CLI application ideas that would be nice to run as an "overlay" on top of my terminal session. In other words I would like to superimpose a box containing a real live shell prompt on ...
4
votes
1answer
541 views

Tmux: equivalent command to screen -d -m -S session_name

I'm looking at replacing screen with tmux, currently I use this screen command: screen -d -m -S session_name /root/script Is there an equivalent command for tmux that will do the same thing?
5
votes
1answer
264 views

tmux “last-session” binding

How could I bind to last (most recent) session? The obvious last-session leads to an "unknown command" error. bind-key z last-session
1
vote
0answers
277 views

Tmux hidden input at command line

I've just started using tmux recently, and have run into this problem a few times. Whatever I type on the command line, is hidden from view until I press enter and it is executed. I don't know how I ...
2
votes
0answers
290 views

GNU screen :fit equivalent in tmux

I'm experiencing this problem where I've attached a single tmux session at multiple terminals with differing console sizes. Is there a solution to rid of the view-port without having to disconnect ...
1
vote
2answers
1k views

How to get byobu to start at startup with a command executed, as root?

I want when the computer start, a byobu session is started and a command executed in the first window (windows 0), without requiring any user intervention. It is very important that this doesn't ...
3
votes
2answers
242 views

Vim alerts after a few seconds when no event occurred

I use Vim in a tmux session, and recently I've noticed that Vim is raising an alert after a few seconds when I switch to another tmux window. Nothing has happened in Vim after I move windows - usually ...
2
votes
3answers
8k views

How to terminate tmux session and processes it spawned

I noticed that i have a running process and I think it's because i initialized the process in byobu which is using tmux. ps aux | grep sidekiq 1000 13786 0.0 0.0 8108 900 pts/4 S+ ...
11
votes
2answers
4k views

Is there an easy way to “restart” a tmux pane?

Assume I have a tmux (1.7) window split as follows: ________________________ | 1 | | | |-----------+------------| | 2 | 3 | ...
2
votes
1answer
198 views

Tmux is not able to distinguish between insert and shift-insert

Insert when in xterm, gives ^[[2~ and, Shift+Insert gives ^[[2;1~ All this is good until I start tmux. Note that the $TERM variable remains the same, so this issue should not be related to ...
2
votes
2answers
382 views

Why does Bash readline sometimes try to parse the second word of a command out of context?

I recently migrated all my dotfiles and setting to a new laptop running Ubuntu 13.04, and have been noticing a strange behavior that I've never seen before. Essentially, it seems like my terminal is ...
4
votes
5answers
8k views

Attach to tmux session and run a command

How I can run a command in Tmux when I'm attaching to a session ? I want attach and immediately run a command. I read the docs, but found only send keys, which not suits my needs.
3
votes
2answers
191 views

How to make .bashrc call dependant on tmux program being installed?

I have a section in my .bashrc that fires up the tmux program (terminal multiplexor). However if the tmux program isn't installed (say I'm setting up a new computer) then having this in my .bashrc ...
2
votes
0answers
170 views

Moving the mouse over a terminal window generates escape sequences [closed]

When using tmux over a ssh connection, if I launch a program to keep open, I run into troubles when I move my mouse inside the tmux window: ...
2
votes
1answer
99 views

Send variable through tmux binding

I'm trying to setup a tmux (1.9) key-binding to swap to windows. Unfortunately, I can't seem to figure out a way to send a variable for the swap. For example, if you hit C-b . It will then prompt ...
0
votes
2answers
1k views

How to kill tmux window automatically when terminal window closed?

I am new to tmux. I am starting a process in a tmux window in a terminal window. When I close the terminal window, the process not killing automatically but If I kill tmux window before close ...
6
votes
2answers
2k views

How do I show simple uptime in tmux's status bar?

I want to show the uptime in the tmux status bar in the format DD:HH:MM, without any of the other cruft that the uptime command shows. I've tried these: #set -g status-left '#[fg=green]#H ...
2
votes
0answers
316 views

GNU screen, tmux, dvtm - none work as ordinary user

I bought cheapest vps for teamspeak hosting and I have strange issues with demonizing it's process. None of screen tmux and dvtm work for ordinary user, but they work witout a charm for root. As far ...
1
vote
1answer
746 views

How can I scroll screen or tmux buffer without pausing the application?

I want to have the same behavior as C-A/C-B+[ provides except i want to be able to return to my application to see that it has progressed in her calculations or has not disconnected to the server ...
5
votes
1answer
464 views

Linux VT Emacs in tmux, breaks color and cursor

TERM is set to screen. I tried with screen-256color, but then the colors went really nuts. I also tried xterm, linux, and some others (that I could think of, not really thinking) but screen is the ...