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Questions tagged [tmux]

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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1answer
66 views

tmux window list - what is the text in “quotes”

If I do a Ctrl- b, w I see a list of tmux windows: (0) 0: NAME_HERE "▒▒`▒" (1) 1: NAME_HERE "abcdef123456" If I give a tmux window a name with Ctrl-b, ,, it appears in the NAME_HERE part. What ...
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26 views

Can I bind ⌘ + key to an action on tmux? [duplicate]

I want to bind the key including ⌘ to some actions on tmux. For example: bind -n C-d if-shell "$is_vim" "send-keys C-d" "select-pane -L" In the binding above, which is triggered by ⌃ + d, I rather ...
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68 views

tmux cannot copy to system clipboard

I want to use ctrl+w in tmux session to copy contents into system clipboard, follow some google search result, I add in ~/.tmux.config the line: bind -t vi-copy y copy-pipe "xclip -sel clip -i" ...
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2answers
278 views

tmux alt meta zsh shell binding

I have following custom zsh keybindings for the alt (meta) + left and right arrow key withi os x Iterm2 and +Esc setting for meta bindkey "^[^[[D" backward-word bindkey "^[^[[C" forward-word This ...
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1answer
455 views

Can't get alt to work as a prefix on tmux mac

I'd like to get alt+space to work, but it doesn't seem to work. This is how I have my .tmux.conf: set-option -g prefix M-Space I also tried alt+b but this doesn't work either. set-option -g prefix ...
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1answer
288 views

How can I launch a new session of tmux in iTerm2 on a separate window?

I would like to start a tmux session on a separate window in iTerm2. Now I'm writing my own configuration script to launch the session. tmux new-session -s dev -n main -d tmux send-keys -t dev "cd $...
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1answer
4k views

What is the tmux prefix code for command key on mac?

I'd like to change my tmux prefix key from control to command (on mac). I have an example on how to set it to alt: set-option -g prefix M-b
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3answers
2k views

What is the “control mode” in tmux?

According to man tmux to check the launch option: -C: Start in control mode (see the CONTROL MODE section). Given twice (-CC) disables echo. Then in the control mode section of the ...
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0answers
143 views

How to reload tmux window in faster way

I don't have root in the OS and sometimes t or tt can reload old tmux window. But I wonder how to find how many tmux sessions in OS and reload it in faster way? xx@bsa0483:~$ t ls 0: 3 windows (...
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1answer
217 views

How to change Status Bar in tmux window

I feel very bad when seeing Status Bar in bottom during using tmux. How to change it to top position in tmux window? My related OS is below--- c5259479@bsa0483:~$ cat /etc/issue Ubuntu 9.10 \n \l
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1answer
50 views

How to remove [0/0] from upper right when pane clicked in tmux?

In my .tmux.conf I have: set -g mode-mouse on set -g mouse-select-pane on This works good, except whenever I click on a pane in the upper right corner I get a flashing "[0/0]". Which appears on left ...
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1answer
99 views

How to write in bash to ssh to different machine and create tmux session then run some command in it

Basically I want to write some script like #!/bin/bash for idx in 1 2 3 4 5 6 do echo machine$idx ssh machine$idx tmux new-session -d -s "myTempSession$idx" python run.py done which ...
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0answers
29 views

How to view different parts of a terminal on different machines?

For a doubled-headed display: view top half of a terminal on one display, the bottom half on another. Connecting to the same tmux session enables a "duplicate" terminal on another machine - is there ...
2
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1answer
499 views

What does “tmux ls” mean in tmux

I am not very familiar with tmux but it runs for everyday work. Sometimes, I input Ctrlbd, then the tmux window disappears and the screen shows xxx@bsa0248:~$ tt [detached (from session 3)] Then if ...
4
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2answers
127 views

How not to switch past the edge of panes in tmux [duplicate]

By default, tmux passes over edge of a pane. For example, suppose there are two panes, pane 1 and pane 2. Suppose you're at pane 1 and you do Ctrl+b →, you're at the pane 2. If you again do Ctrl+b →, ...
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1answer
344 views

Using extended escape codes in tmux

I use the kitty terminal emulator for my day to day development, and I learned that it has these custom escape sequences for fancy underlines. I really wanted to get them working in vim, and after ...
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0answers
124 views

Change tmux status bar if process is running

I was wondering if it's possible to change text in the tmux status bar (or BASH shell prompt as an alternative) if a specific process is running. I would specifically like an indicator to appear if ...
0
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1answer
34 views

tmux step through open windows automatically

On my VPN server, I have some scripts that I run in separate windows, and I'd like to step through them every few seconds like the GIF below. Is there an existing tmux binding or one I could create ...
2
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2answers
748 views

In tmux, how to set shortcut for 'copy mode'?

I am using tmux and I found that entering copy mode is really tedious: Ctrl-a + [ while [ is not on the home row. I am thinking about creating a shortcut for it, e.g. F4, so I can reach it with one ...
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1answer
75 views

How can I limit the times a script runs from within tmux?

I have a script which pings a website and tells me how much time I've worked in the week. I want that to be in the status bar in my tmux.conf, but I'm having the issue of the script running about once ...
2
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1answer
381 views

Turn off bell in tmux but keep hook

I have a custom bell command: set -g monitor-bell on set -g bell-action current set-hook -g alert-bell 'set -g status-bg "#901010" ; run-shell "sleep 0.1s" ; set -g status-bg colour8' Unfortunately, ...
0
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1answer
64 views

Why `tail -f data_log | grep keyword` within tmux session could lead to hard disk exhaustion?

The scene is like, yesterday I need to check some api bug. So I logged into the log server. I opened up a tmux session, so I can reconnect to my work later. I typed in tail -f data_log | grep keyword ...
1
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1answer
255 views

Is it possible to use variables with `save-buffer` in tmux?

I am trying to save a buffer to a file. In the name of the file I want to use the pane id. I use the following tmux command. save-buffer "$TMPDIR/tmux.#{pane_id}" This saves a file in /tmp/tmux.#{...
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0answers
141 views

Is it possible to fork the current pane in tmux and put it in a new pane?

Often I have set up some temporary environment variables/modules and I would like them to persist as I create a split in Tmux. Is it possible to fork the current running program (i.e. bash) and put ...
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2answers
415 views

Does Tmux support the Hyper modifier key?

Among many other modifications I remapped my Caps Lock to Hyper, an ancient modifier key from the Space-cadet keyboards. However I can not find an example how to use it for key-bindings in Tmux, ...
0
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1answer
316 views

Inverse the fore- and background color for the current tab in tmux

Since I often change the terminal color scheme from dark to bright and vice versa, I do not want to use hard-coded colors, but just inverse the colors. I guess somewhere set-window-option -g window-...
0
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1answer
484 views

terminal in Tmux is 256color but vim isn't

Recently I installed tmux on my Ubuntu 16.04. The terminal screen in tmux shows 256 color correctly however when I opened vim within tmux, the color was different from what it showed when it was run ...
0
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1answer
64 views

Is there a tool to see all of my shortcut interpretation levels?

Context I've been a Linux (power) user for about a year now. I've learned to figure out most things on my own and written many scripts which help me with my workflow. Specifically, I've learned to ...
1
vote
1answer
504 views

Open new tmux window with specific name only if missing

I need to launch several commands in parallel, each in their own tmux window in the same session, making sure that there is only one instance of each command running. Ideally, the windows would ...
1
vote
1answer
349 views

systemd service does not trigger the tmux command upon reboot

I am using a Yocto image based on the linux-mainline kernel. I have systemd on the embedded OS that I have created. Aim I have a UMTS dongle connected to the board which will use usb_modeswitch to ...
1
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1answer
95 views

How to control an interactive shell (e.g. vim) from another machine?

My problem is: my bluetooth keyboard won't work with my new android phone (big screen), but it does work with my old android phone (small screen). So I'd like to connect the keyboard to my old phone ...
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0answers
600 views

Tmux 2.6 copy-mode key-binding

I have got a problem with key-binding in copy-mode in Tmux. It worked perfectly before the last dist-upgrade. Now Tmux is in version 2.6. Here is a part of my tmux.conf file: 54 # Copy 55 set-window-...
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2answers
733 views

Start tmux and execute a set of commands on boot

I'm trying to find a way to have tmux start for a specific user on boot. The tmux session should run two Python scripts. I think I could start Python as mentioned here, but I'd rather have it in a ...
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0answers
52 views

Unable to find tmux session but it shows up as a file?

Yesterday I had started a tmux session, but when I logged into the computer today, I cannot find it, i.e. tmux ls cannot find the session. But when I run top I can see that the following tmux ...
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1answer
401 views

Tmux is displaying strange characters

I'm having an issue with tmux where it's displaying these strange characters I've found a few posts the seemed to be talking about the same issue and they suggested that I need to change my character ...
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0answers
92 views

Can I change width of tmux tabs?

I'm trying to find out a solution to change the width of the tabs (or what it's called in the tmux world). I can't seem to find an option for it. Is it possible? Ideally they would have flexible ...
0
votes
1answer
223 views

How to split the window that ran the “tmux split-window” command instead of the current one?

For example, if I run from window 0: sleep 2;tmux split-window -h and switch to another window 1 with prefix-n before the sleep is over, the window split happens on the new window 1. How to make ...
2
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0answers
234 views

tmux detach pauses process

My server stops processing requests as soon as I detach from the tmux session that runs my RESTful API. How can I prevent this? I'm following the steps on this answer: https://askubuntu.com/...
2
votes
1answer
323 views

tmux socket api

Is there any way I can control a tmux server and send commands to it like switching to a specific window in a session, or make some queries about the panes through the socket it creates? I've looked ...
2
votes
1answer
2k views

Tmux on CentOS 7: error connecting to /tmp/tmux-1000/default (No such file or directory)

Every time I detach from all the tmux sessions in the terminal, after I want to get back, I get this: [me@CentOS7 ~]$ tmux ls error connecting to /tmp/tmux-1000/default (No such file or directory) ...
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0answers
232 views

256 colors on tmux not working properly

I have this vim theme: and enabling 256 colors on tmux, looks different: Keywords highlighting is working fine but the background color changes... How can I fix this?
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1answer
245 views

`tmux ls` does not show all active sessions (sessions in “zombie” state?)

I have been using tmux for maybe 4-5 months and recently started noticing some weird stuff. tmux ls does not show the full list of active "sessions" I still can connect to a session even if it does ...
3
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0answers
58 views

Tmux scroll in readonly

Is it possible to scroll up in read-only mode of tmux? I have scripts that run for a very long time, and I do not want to spoil it by Ctrl-c, while checking the output.
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1answer
932 views

Shift+Arrow not working to change Windows in tmux

I tried to bind Shift+left / Shift+Right to change Windows on tmux and it just wont work. When I do alt+arrow it works perfectly. Tried with bind -n S-left prev bind -n S-right next and with bind ...
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0answers
103 views

Group membership disappears with tmux

I have a weird problem in that my user (on Linux Mint 18.3 Sylvia) is part of group docker, which I verify by starting a terminal: $ groups me adm cdrom sudo dip plugdev lpadmin sambashare docker ...
2
votes
1answer
878 views

Connect to remote server with byobu and run command

I have a remote server that I usually connect to with ssh and upon connection byobu starts automatically (via a line in .profile set up with the script byobu-enable). Now I want to set up a different ...
1
vote
1answer
272 views

Tmux: Unable to switch panes when in copy mode?

I have tried copying and pasting my coworker's tmux.conf config to mine and running tmux source-file ~/.tmux.conf. It seems to have updated (I can tell because the colors have been updated) He has a ...
0
votes
0answers
318 views

tmux command not working when called by ssh

I want to build an interface, that, using ssh and tmux will be able to start/stop daemons. My approach to start the daemon was: tmux new-session -s myDaemonID -d /path/to/daemon/exec /path/to/daemon/...
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2answers
105 views

tmux string interpolation for session name

I am trying to make new session with the same name a as the current one with an extra -2 on the end of the name. bind C new-session -c "#{pane_current_path}" -s "#{session_name}"-2 The session_named ...
2
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0answers
245 views

dualhead with tmux and two xterm windows

I'm running a dualhead system. Unfortunately, my monitors do not sport the same resolution, so I can't "just" use a huge xterm window spanning both screens. Also I imagine that it would be hard to ...