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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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Run a tmux new session with cron, then run a command

I have in my cron that auto starts a service inside a tmux if it detects that its not running. The rest of my bash script works, but if the tmux session doesn't exist, it throws an error. Which is why ...
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tmux doesn't uninstall plugin

I installed a few plugins by adding lines to .tmux.conf set -g @plugin 'noscript/tmux-mighty-scroll' I installed with prefix I I tried to scroll, and instead of doing its thing, it now ALWAYS says ...
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tmux conf: run bash command and store in variable

I would like to set date +"%m %d %y" to a variable in my tmux.conf file to set it to set-option -g set-titles-string. How can I store the value of the output of the shell command in tmux....
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How to automate the process to open 3 shells and run 3 commands?

I set up something so that I'd open up 3 shells and run the programs one by one: cd foo/bar ./foo.sh cd foo/bar node bar.js cd foo/bar ruby foobar.rb However, since it is time consuming, so I wrote ...
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tmux - show scroll position indicator on left hand side?

How do you show the scroll position indicator on the left rather than on the right? I would like to display it on the top left.
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How to automate screen to run a command, extract some text and detach the screen?

I am trying to automate a simple task which contains four steps : A bash script which takes one argument as the port number Open a screen name "Notebook" run a command in the screen ...
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2 votes
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How to completely get rid of the copy-mode in tmux?

I find the copy-mode in tmux rather annoying; I have to frequently enter and quit it. Is it possible to make the tmux windows work like standard terminals? I want to scroll, copy and paste anytime in ...
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How to "reuse" the SSH connection created? [duplicate]

Here's my workflow and pain point: In a terminal, I first use tmux and create 3 panes, sometime even more. In each pane, I do a two steps SSH to connect to the work server behind a bastion server. In ...
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1 answer
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TMUX: confirm-before option for kill-session command

For TMUX, we know there is a confirm-before option for kill-window. For example, posts How to add tmux confirm prompt when I kill a window? tmux disable confirmation prompt on kill-window Wonder if ...
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tmux show next-window when a window is closed

The default config seems to be to show last-window when a window is closed with exit or Ctrl-D. Is it possible to show the next-window?
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With mouse mode ON, how to copy text to system clipboard?

On Windows(10), and using PuTTY, I can't get working the copying from a tmux pane when mouse mode is activated. I have read a tons of solutions, but I wish to use the easiest one which is referenced ...
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  • 207
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Why can't I use Ctrl+` as prefix in tmux?

I am able to use ` as prefix in tmux. unbind C-b set-option -g prefix ` bind-key ` send-prefix But that key is very useful for other purposes, so I am trying to use Control+that_key and that doesn't ...
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Copy paste text contained tabs from local to remote server in Tmux [duplicate]

I'm having an issue with copying and pasting. When I copy a selected multiple-line text which contains tabs in my host, the pasted text in the server has the wrong format. For instance, I have a ...
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  • 101
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tmux up arrow not working properly

System: ubuntu 20.04 Linux 5.13.0-39-generic tmux 3.0a Problem: While using tmux, any directly attached ssh session from my host I establish, I can no longer use the up arrow, it is not recgonized ...
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Byobu (tmux backend) after copying text in scrollback mode automatically quits scrollback mode

To clarify, "automatically quits scrollback" mode means byobu goes into normal mode and jumps to the bottom, and I can't just go back to the point I previously scrolled up to. I am also ...
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Hundereds of instances of a process are spawning per second. How can I find out why?

I have a situation where hundreds instances of the lsof process are spawning briefly, and I'm trying to find a way to trace why. Here is an example of capturing the whole tree of one of the short ...
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Change TMUX status bar text color to black [duplicate]

If I change terminal text colour from terminal preferences, then it also changes the colour of TMUX status foreground color. I recently changed terminal text colour to grey, which in turn changed the ...
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1 vote
1 answer
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In tmux, can I color different pane borders & titles differently?

I have a tmux window where I show 3 panes: remote_development (yeah I know it's weird) quality_assurance production I would like to format the pane titles like so: dark green background with white ...
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2 votes
1 answer
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In tmux, is there a way to list unbound keys?

I know it's easy to list all keybindings in tmux, for example with prefix ? or tmux list-keys, but I want to get a list of all keys that are not yet bound to anything, to more easily see what is ...
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1 vote
1 answer
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Sending variable with Tmux

I have assigned a variable in .tmux.conf: setenv -g var "Something" How can I bind a key to send this variable to my terminal without needing to use prefix:send $var? I tried bind -n M-q ...
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2 votes
1 answer
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tmux configuration: command output substitution doesn't

I am trying to make parts of my .tmux.conf file conditional depending on the kind of system I'm on. For a start, I want one part to only be processed on MacOS. The man page says that I can use the #(...
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Change to the same directory as the other pane in tmux

When there are two panes in a current window of tmux session, is there simple way to change to the same directory as that of the other pane? -- I found the answer at https://superuser.com/a/911890, ...
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In a running Tmux session, how can find out what configuration file tmux is using?

I am on Arch Linux and I am running tmux in my terminal. ~ ❯ tmux -V tmux 3.2a When running in a tmux session, how can I find out if: A tmux.conf is being used The location of the tmux.conf file ...
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  • 275
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What permissions are needed on the tmux.conf file

I have my dotfiles on GitHub. My tmux.conf sits in ~/code/.dotfiles/.config/tmux/tmux.conf. In my ~/.config I have an alias, like so: lrwxrwxrwx 42 j j 2 Feb 11:00 tmux -> /home/j/code/....
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  • 275
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How to copy text from nano (ssh tmux) to gui editor in local computer

I have already activated the mouse with set -g mouse on in .tmux.conf. This works inside tmux. But how do I copy to and from outside tmux? Copy text from one tmux pane to another (using vim) This ...
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Tmux Selection in one Pane?

I have an issue when selecting in split window it didn't select from one pane as in the GIF I select using (Shift + Mouse) How Can I Solve this issue ?
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How to start tmux with a process running in each pane

I need to start tmux with two panes, and have one program in the left pane and another in the right pane. I am starting tmux like this: tmux new-session \; split-window -h \; attach and it gives me ...
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How to execute a utility in tmux?

I have a script that I have been using for years to create a simple integrated developer environment (IDE) with tmux and neovim, which has worked well on bash. However, I recently decided to migrate ...
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Tmux horizontal split isn't working, instead it brings up a weird menu

So I use ctrl + a (bound to a instead of b), and I try to ctrl + a and release then type in SHIFT + ' which is " so ctrl + a + " like the horizontal split should in theory work. When I do ...
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how to get access again to job running on remote server

I am running jobs on a remote server, using a bad connection which drops frequently. So I use tmux, to connect to the session again by re-connecting. This way, I can access my existing terminals, and ...
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Ubuntu: vim gruvbox looks like completely different in tmux

I am a beginner of using tmux and am trying to get vim and tmux working together properly. I am using Ubuntu 20.04 LTS, vim 8.1.3741, tmux 3.0a. All was well until I entered vim inside of a tmux ...
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0 votes
1 answer
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How to open pdf files inside a pane in tmux?

I am currently using Ubuntu 20.04 Gnome Desktop. My pdf app is zathura and currently using tmux. I was wondering is it possible to show pdf file in another pane in tmux?
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2 votes
1 answer
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Copy text in tmux using putty

I am using putty0.76 to connect to server and I run tmux2.7. I need to copy bigger amount of text to my local clipboard with scrolling during selection. I do not have xclip or pbcopy installed and I ...
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How to get the full console log of my tmux session on Linux?

I have a Linux VM on Google Cloud and it has a tmux session which is running a .py file and I am trying to get the console log, but I can't scroll up or anything. Any idea?
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0 votes
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zsh prefix completion is gone when running in tmux

The prefix completion in zsh using up and down arrow arrow keys is amazing. Let's assume I have the following command history: ls ~ vim .zshrc ls /tmp cat /tmp/wiefoijewfoijwef ls /etc Then, when I ...
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Global and session environment for the first session and following?

I have a bash script: #!/bin/bash export TEST=$1 tmux new-session -d -s $1 tmux send-keys -t $1:0 "printenv | grep TEST" C-m Run: # ./test.sh 123 #The tmux server is automatically launched ...
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Close tmux Session After Script Ends

The remote Python script is executed by a local script using ssh so this is not an interactive session. The tmux session is only useful while the script runs and want it to end after the script is ...
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2 answers
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Send signal to process in tmux pane

Suppose that app X is running in the foreground in tmux pane. I'd like to send a given signal, e.g. SIGUSR1, to app X. Can I configure a tmux keybinding to send a signal to the currently-selected pane'...
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What's the correct way of setting focus-events option in tmux.conf?

I'm using the following configuration line in tmux.conf: set-option -g focus-events on but tmux returns the following error while starting up: /home/username/.xdg/config/tmux.conf:9: unknown command: ...
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tmux, wayland and clipboard

I have this tmux config: bind | split-window -h bind - split-window -v unbind '"' unbind % bind-key s set-window-option synchronize-panes\; display-message "Paneles sincronizados: #{?...
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0 votes
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How does one manually ensure tmux starts up with bash completion?

The problem here is potentially a cross-platform issue (I am running a MacOSX Brew-installed tmux with a Brew-installed BASH and bash completion. When I first installed tmux, a new open window ...
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1 vote
3 answers
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Tmux doesn't read `~/.config/tmux/tmux.conf` by default, so where?

As title. I always do things on macOS, but now I have to learn some Virtual Machine and have installed Ubuntu 20.04. On macOS I put all dotfiles inside the folder ~/.config/. I did the same on Ubuntu, ...
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  • 465
2 votes
1 answer
137 views

In tmux on remote machine, each new line in terminal is indented to the end of the previously displayed line [closed]

Update: Solved thanks to comment by @NotTheDr01ds Original question (Details of the machines I'm using at end) I connect to a my Uni's VPN using: sudo /sbin/modprobe tun && sudo openconnect ...
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Change tmux session specific configuration dynamically

I am willing to have my tmux (version 3.1c) loading its configuration based on the session. I already looked at this post and this one and really liked this answer using the hooks: set-hook -g after-...
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  • 101
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2 answers
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How can I clear tmux history in all panes

I'm using tmux clear-history to clear the screen history. But it only works for the current pane, how can I do that for all available panes?
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1 vote
1 answer
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"copy as html" in Tmux

I remember I used to had a "Copy as HTML" option in Tmux, but I can't seem to find information about it either in the settings or looking online. Does anyone know if it still exists for some ...
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1 vote
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tmux: Is possible add/remove the smcup and rmcup capabilities in the current session?

I have the following configuration in .tmux.conf to switch off and on the smcup/rmcup capabilities. set -g terminal-overrides ',xterm*:smcup@:rmcup@' bind-key ñ set -g terminal-overrides ',xterm*:...
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0 votes
1 answer
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ranger does not show filepreview when in tmux

I just discovered a strange behavior in my ranger-setup. When browsing through source-files with ranger (where I started ranger from within tmux) I realized that the preview-pane does not show my text-...
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1 vote
1 answer
35 views

Is there a way to have "snapback" in tmux?

Can I configure tmux so that once I enter scrollback, starting to type a new command (e.g. any letter, but any printable character would also work) will exit scrollback and pass that letter to the ...
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2 votes
1 answer
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How to disable iTerm2 tmux integration

iTerm2 runs slowly when using tmux (without -CC control mode integration). It is clearly designed with the intention of using -CC. However, I don't like the desktop window management of tmux windows/...
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