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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How do I kill a hung ssh session within tmux
Here's my setup:
Workstation==ssh=>jumphost(tmux with split panes)==ssh=>server1
==ssh=>server2
If either of the two connections to the ...
- 391
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0
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views
Tmux: Scroll buffer not working on MSYS2/MINGW64 (Git for Windows SDK)
I installed the Git for Windows SDK on Windows 11 to have the pacman package installer available to install tmux.
A lot of stuff works like it used to be on other platforms, but scrolling back using ...
- 216
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1
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80
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Getting italics working correctly in tmux
I have an issue that the colors and font don't get produced correctly in tmux. The same output looks different when the command is run outside vs inside tmux.
Outside tmux:
Inside tmux:
As suggested ...
- 159
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1
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31
views
How to press Ctrl + b + capital I (trying to install plugins in tmux)?
Everywhere they say Press
ctrl + b + I (capital I)
to fetch the plugin.
What does that mean? Is it like ctrl + b + shift + i or ctrl + b + capslock(on) + i
(capital I)
or maybe my terminal is ...
- 103
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vote
1
answer
21
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How to figure out the PIDs of my tmux sessions?
Figured out the hard way that starting tmux sessions under different sockets are not listed with tmux ls, as it is only a shortcut for tmux -L default list-sessions showing sessions that belong to the ...
- 960
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1
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39
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How to start tmux in a way that it inherits all environment variables from the calling shell?
After I have set up a development shell (e.g., by starting a PostgreSQL cluster with a particular configuration, exporting several environment variables, "installed" a bunch of applications ...
- 960
1
vote
1
answer
28
views
Child and sibling processes from running tmux in zsh
I am using Ubuntu 22.04.1 on WSL 2 (though the fact that it is Unix is only relevant for this question)
How come when we run tmux from a zsh session, the process tree (which I have abridged somewhat) ...
- 13
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0
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54
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tmux won't resize pane when I use Ctrl + b, Ctrl + ↑
It moves to the upper pane.
I'm using Mac OS 13.3.1 and I remapped Ctrl+B to Ctrl-A. I'm using tmux 3.3a.
# Remap prefix from 'C-b' to 'C-a' ...
- 11
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0
answers
50
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use vim navigation and search commands in tmux terminal view mode
Is there a way to use vim in tmux terminal output?
For example, I want to use 500j to move 500 lines up instead of manually scrolling in vim using Ctrl+a +[
- 21
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0
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39
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How to pipe output of tmux pane to vim/neovim?
I have neovim open in one pane, and I have ipython open in another pane. I have set up keymappings which allow me to send keys or to paste my buffer in my ipython pane without leaving neovim.
I'm ...
- 101
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Why does conda fail inside tmux even though it works in bash?
My newly setup conda fails when I try to activate an existing environment inside tmux. Apparently it finds the conda binary but cannot run the command. Inside bash it works as expected.
Steps:
Open ...
- 123
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0
answers
50
views
Install an older version of a package (tmux)
Is there a safe way I can install an older version of a package? I'm using Debian 11 and I would like to install the version 2.6 of tmux, because it's the version I'm using in my other computer with ...
- 218
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views
Running service to start TMUX that launches a script which starts "npm start" and then detaches from TMUX?
I'm having this issue as only a junior admin, where I want my NPM to start whenever the server drops. So I made a startup script that runs from Systemd. This will invoke a script which starts the ...
0
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1
answer
39
views
How to use trap with child tmux process
I am looking to execute a function when a child tmux process is terminated.
Consider the following script:
#!/bin/bash
function foo
{
echo "foo exit"
}
trap foo SIGHUP
tmux
this script ...
- 178
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0
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35
views
Why is tmux ignoring the `default-terminal` setting?
I would like to get italic fonts working correctly inside tmux, as currently they only work outside of it. Research suggests this might be accomplished by setting the default_terminal setting so I ...
- 579
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tmux skip close confirmation prompt on specific processes
Currently, I've set my tmux configuration to override the default behavior of asking for confirmation when closing panes or windows, but is it possible to enable it based on a condition? For instance, ...
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1
answer
19
views
Why tmux breaks my connections (ECONNABORTED)
I have a problem where when I run my node project from terminal outside tmux everything works find but when I run in inside the tmux i get the error Error: read ECONNABORTED for requests that my ...
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0
answers
28
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Tmux Banner Issues
Im getting frustrated...
I definitely think this shouldn't be so hard. But here I am hours later and no real solution.
All I want is to display a text banner in top pane.
The bottom pane will be a ...
- 1
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1
answer
156
views
Can't detach from tmux session while process is running
I am logging in to a remote linux machine via ssh, and then I start a batch process in tmux.
However, I can't detach from the current tmux session using Ctrl + b + d.
So, for starting another tmux ...
0
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0
answers
76
views
How to make tmux detach when exiting ssh by closing terminal?
Trying to start using tmux instead of screen in my raspberry pi, due to screen's weird problems with colors.
But not really understanding how to make tmux detach automatically.
I used to use ssh me@my-...
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0
answers
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views
How do I get the tmux window name back after ssh clobbered it?
This is a common problem, and while not critical, it is quite annoying.
While using tmux on a remote server, each window is renamed according to the program being run. So if I have 3 windows running ...
- 3,829
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tmux split pane command loads different PATH
After I run the split pane with vertical layout command (ctrl+b "), I end up with a different version of Node available.
I use nvm to manage my NodeJS version. When I open a new terminal I see ...
- 1
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0
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27
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run zsh function in new tmux session/window/pane
I have a set of ZSH functions in ~/.my-zsh-functions which are automatically loaded in my ~/.zshrc:
# ~/.zshrc
fpath=(~/.my_zsh_functions $fpath)
autoload -U $fpath[1]/*(.:t)
I have no issue running ...
- 101
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votes
1
answer
72
views
zsh PROMPT coloring doesn't work inside of tmux
I have the following line in my .zshrc:
export PROMPT="%n@%K{9}%m%k:%~# "
It works if I connect directly
But doesn't work inside tmux
How to fix?
- 3,007
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0
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43
views
Having to press `esc` twice to enter normal mode in vi on tmux [duplicate]
I'm having a problem in TMUX, where in order to go to normal mode in VIM, it takes 2 key presses of "ESC", how do I fix it?
- 21
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0
answers
57
views
How to set tmux config file to properly display active pane number
I can use Ctrl b + q to display pane number.
I want to show active pane number in status bar.
My current status bar:
as you can see, it can show active window number. I want window:pane:window name ...
- 517
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0
answers
21
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Why is tmux copy is only setting PRIMARY and not CLIPBOARD at the same time
My laptop runs i3 and I'm ssh-ing to a remote machine using xterm.
I've set up tmux according to https://github.com/tmux/tmux/wiki/Clipboard#quick-summary
When I copy using tmux (C-w), I can paste the ...
- 261
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1
answer
48
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TMUX weird splitting mechanism
I'm not sure why TMUX isn't working properly or why can't it just work out of the box. Modern terminal clients these days have cmd+d and cmd-D for splitting.
I have to press a series of keys, which is ...
- 21
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1
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188
views
How can I get a custom tmux.conf file to work with tmux 3.3a? `-f` flag not working as expected
I have tmux and wanted to set some custom configurations, but I cannot find a default tmux.conf file.
tmux -V
tmux 3.3a
According to the manpage:
-f file
Specify an alternative ...
- 759
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votes
1
answer
20
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tmux pan around manually sized window
I have a server-type setup in tmux, with my main server application to the left and some resource monitors to the right. But I'm accessing the server with a computer that has a very small display, so ...
0
votes
0
answers
50
views
Is there a way to sub-tree TMUX windows to arbitrary depth?
Pressing prefix + w gives me a list of windows. Let's say I have something like... Class A inherits from Class B, which inherits from Class C. I'd like to set up my windows such that prefix + w will ...
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1
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38
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variable substitution in tmux config - different results for 'display-message' and for 'select-layout'
I start tmux session with tmuxinator, one of the windows has 7 panes custom layout
in tmuxinator session config I have lane with layout:
layout: 3db3,233x59,0,0[233x9,0,0{77x9,0,0,3,77x9,78,0,5,77x9,...
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views
How to remove all key bindings from tmux session?
I am building a GUI that uses tmux and I want to ensure that all existing bindings are removed when the program is started.
I tried using:
$ tmux unbind-key -a
since the documentation states:
If -a ...
- 178
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votes
1
answer
20
views
How to close all tmux windows when one window is detached?
I have the following code:
#!/bin/bash
tmux new-session \; \
send-keys 'ls' C-m \; \
split-window -h \; \
send-keys 'ls' C-m \;
when I run this script, I get two windows. When I want to close ...
- 178
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votes
1
answer
14
views
Vim autocomplete line inside tmux split
Using vim inside tmux, I would like to bring up the autocomplete line suggestions (normally done via C-x C-l).
I however have the following .tmux config which uses C-l as a navigation key between ...
- 133
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votes
0
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48
views
I need help restoring function of tmux after receiving error connecting to /tmp/tmux-0/default (No such file or directory)
I am new to tmux I was only using it on my Nexus 6p running Kali nethunter. The reason I used tmux was so I can run the airgeddon script without having a GUI (can't seem to get VNC server to run ...
1
vote
1
answer
38
views
Tmux equivalent of GNU screen's "c" command in copy mode?
GNU screen's copy mode has a c command to mark the left margin which is very useful when you want to copy multi lines but ignore some leading white spaces. For example, with the following lines —
...
- 174
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votes
1
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33
views
How to paste copied text (captured in copy mode) to tmux's own command prompt?
When customizing .tmux.conf I often need to try the command on the fly so I want to copy commands from .tmux.conf (being opened in editor) to the command prompt (<c-b> :). I tried <c-b> ] ...
- 174
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209
views
How to get the current tmux window number in shell?
To save one line display space, I'd like to hide the bottom status bar and put the current tmux window number in my shell prompt so it's easier to tell where I am.
GNU screen has an env var WINDOW for ...
- 174
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151
views
How to limit tmux to create at most 10 windows for a session?
GNU screen has maxwin and I use maxwin 10 since we only have digits 0~9. I searched tmux man page and failed to find the equivalent. So how can I limit the max number of windows for a tmux session?
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226
views
Tmux display problems on WSL: panes bleed into each other on newlines
I'm trying to use tmux version 3.1c on my Windows Subsystem for Linux version 2 (WSL2) based Debian 11 container running in Docker (version 20.10.12). I build a new tmux session, but when I attach to ...
- 11
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0
answers
26
views
Force tmux to change window name to reflect the command or binary being executed
If i run some program in tmux, then (what tmux calls) window name is changed according to title of that program. But if i would call the same program indirectly via bash script this doesn't happen:
...
0
votes
1
answer
143
views
Tmux freezes after copying and pasting from OS clipboard
I want to copy and paste contents from Tmux session to other application, So i used the following configuration in my ".tmux.conf" file (Debian based OS)
bind C-c run "tmux save-buffer -...
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1
answer
109
views
Select Tmux Window in Sessions List View
Is there a way to select a Tmux Window by the number listed in the preview while in Sessions List view (activated with: C-b s)? In other words, how do I switch to window 3 (circled in red) in this ...
0
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1
answer
51
views
vim colorscheme is overriding tmux code for changing active/inactive pane color
I have this code in .tmux.conf:
set -g window-style 'fg=colour247,bg=colour234'
set -g window-active-style 'fg=colour250,bg=black'
It works and "dims" an inactive pane by making it appear ...
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0
answers
43
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tmux: bind-key with "C-M-1" doesn't work
I am successfully using
bind-key -T root F1 select-window -t :=1
and that successfully switches to the first window.
When I change that to
bind-key -T root C-M-1 select-window -t :=1
pressing Ctrl-...
- 73
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0
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153
views
How to restore tmux pane after closing?
Once I erroneously hit kill-pane on tmux, I want to be able to restore closed pane, but I haven't managed to find this functionality there. So, just to clarify, I mean around the same behavior as ...
- 11
0
votes
0
answers
157
views
Error when creating new TMUX sessions while passing commands
I have a bunch of helper scripts that create (or reattach to) a named tmux session and execute a command or a script in the new tmux session.
They all work fine like:
cd ~/directory-of-application-...
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0
answers
270
views
Set 256 color prompt in zsh/kitty/tmux
This problem is only for the Kitty terminal (works in alacritty, Hyper; problem exists both on macos and arch linux)
currently set my terminal with
PS1='%B%F{magenta}%3~ ${vim_mode}%f%b '
this sets ...
- 111
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0
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76
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New tmux shells use old version of .bashrc
I am currently in a situation where new shells created within a tmux session are sourcing an older version of my .bashrc, setting environment variables that I have since deleted from the file. The ...
