Questions tagged [tmux]

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39 votes
1 answer
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Run command in detached tmux session

This is probably simple, but I really can't find out how you do it. I have read the man pages and googled without results. Problem: How do I run a command in a detached tmux window? Example: I want ...
Accatyyc's user avatar
  • 495
11 votes
2 answers
12k views

tmux won't run as non root user?

If I run tmux as root, it runs normally and fully functional. I created a couple users, and it will not run as any of the users. create session failed: : No such file or directory I checked the ...
bumbling fool's user avatar
9 votes
9 answers
20k views

Tmux new-session returns: "can't create socket"

I have killed a byobu session accidentally (kill -9 byobuSessionId), and now when I try to start another byobu command fails with "can't create socket". Also tmux new-session returns: "can't create ...
luilver's user avatar
  • 93
9 votes
2 answers
7k views

How do you get TERM=screen-256color on CentOS 5.7?

CentOS 6.0 comes with the ability to set its TERM to screen-256color. It doesn't work in CentOS 5.7, though. How can you get CentOS 5.7 to support screen-256color?
Neil's user avatar
  • 2,489
9 votes
2 answers
2k views

Why does tmux bind externally accessible ports?

I am performing a quick audit of services listening on external interfaces on a Ubuntu 14.04 machine, and tmux is binding TCP *:50994 and *:59147 as reported by netstat -l. I can connect to this port ...
Magneon's user avatar
  • 193
8 votes
4 answers
4k views

GNU Screen and Tmux: tips and tricks

So I am a big fan of the multiplexers like GNU Screen and Tmux, but even using Screen for years now I still recognize that there are many things there I don't know (and I only use Tmux for a couple of ...
8 votes
2 answers
1k views

Does tmux have all the features that screen has? And those screen is missing?

I'm considering switching from screen to tmux, but I've invested lots of time developing an extensive .screenrc, and I don't want to find after many hours of porting it to tmux that tmux can't do ...
iconoclast's user avatar
  • 1,830
8 votes
4 answers
5k views

Tmux send-keys stripping space

I'm trying to run a series of commands in tmux from a remote file like so: tmux $(wget -qO- http://example.com/tmux) The file contains commands like split-window and send-keys The problem is, send-...
Andrei Serdeliuc's user avatar
7 votes
4 answers
14k views

How to fix a tmux session messed up by control characters

Every once in awhile, I'll accidentally blast some control codes into my terminal session (either errant coding or accidentally gpg --export). This sometimes causes my tmux session to loose it's ...
Server Fault's user avatar
  • 3,774
7 votes
4 answers
10k views

tmux attach to existing sessions or create new ones

I am looking for a ssh / tmux solution that would act like this: if there is no session, create one if there is a session and nobody is connected to it, create another one Mainly I want to be able ...
sorin's user avatar
  • 8,216
7 votes
5 answers
39k views

Linux: Connect to another a terminal session

I can use screen or tmux to connect to other terminal sessions, or to share them. But this work only when we first know we will use them. As root can access everything, is there a way to do the same ...
Bertrand SCHITS's user avatar
6 votes
1 answer
6k views

Send command to new tmux pane?

If I want to send a command to a running pane in tmux I can do this: tmux send -t foo ls ENTER I figured I could do something like this to do the same but in a new pane: tmux send ls ENTER Is ...
Philip Kirkbride's user avatar
6 votes
1 answer
3k views

How to start a tmux within bash right after reboot

I have created a script to run upon reboot of an Ubuntu instance. crontab -e Then added this to the script: @reboot /home/ubuntu/startup.sh This is how the script looks like: #!/bin/bash tmux new-...
Houman's user avatar
  • 1,675
5 votes
1 answer
1k views

Tmux and encryptfs causing "(unreachable)" directories upon reconnect

I'm running an Ubuntu 13.04 server with an encrypted home directory (encryptfs). I keep a tmux session open which holds my development environment (vim, etc). When I disconnect, I'll detach the tmux ...
zhimsel's user avatar
  • 53
5 votes
1 answer
1k views

Send tmux command from remote inside ssh session to local instance

The goal is to send tmux command to the local running tmux from the remote server. not to run to different instances of tmux. Inside tmux we ssh to a server that doesn't run tmux local>tmux send-...
Nabil Sham's user avatar
4 votes
1 answer
3k views

Automate Byobu window creation [closed]

I use Byobu on a Vagrant dev machine to run multiple things in one screen and to be able to suspend/restore the machine and continue where I left off the other day. There are times when I have to ...
Ikon's user avatar
  • 145
4 votes
1 answer
865 views

Problems with C^b C^[arrow key] in tmux through a ssh session from a mintty terminal

I have a server that I ssh to from Windows 7 using Cygwin+mintty. On the server I attach to a tmux session. So far so good, but when I try to change the tmux layout using C^b [arrow] and C^b M^[arrow] ...
SpaceOgre's user avatar
3 votes
2 answers
6k views

What is causing the famous "broken pipe" when I use tmux inside an SSH session?

Scenario1: I SSH from my employer (OSX Yosemite SSH client) to my home server (Debian stable) and (re)connect to a tmux session. If I leave the terminal inactive for a while (~20minutes), it seems ...
buco's user avatar
  • 31
3 votes
1 answer
2k views

use a service to start a new, shared, tmux session (and detach)

I'm trying to use systemctl to launch a process in a new, shared, tmux session. I'm pretty sure my tmux command is all set: I have the socket path set with a shared group. the service is executing ...
end-user's user avatar
  • 155
3 votes
1 answer
2k views

Tmux Status Bar default window names

On one of my clients' servers, I've been using the tmux status bar to monitor long-running processes, both through the automatic window-name changes and by setting window names through ANSI control ...
Head Geek's user avatar
  • 141
2 votes
2 answers
4k views

Determine if tmux has a detached session

I'd love to be able to write a script that checked for the presence of a tmux session and attach it, or if no session exists, start a new one. So that I could create a custom command in my .zshrc ...
TheDelChop's user avatar
2 votes
2 answers
2k views

freeze and thaw tmux and/or terminal sessions?

I would like to be able to freeze and thaw tmux sessions. That is, to take a complex set of session state, persist it, and bring it back from some persistent store later. Essentially, git stash for ...
David Watson's user avatar
2 votes
2 answers
691 views

FreeBSD out of box Screen/TMUX functionality?

Does FreeBSD include capabilities out of box that are similar to Screen or TMUX? If so, what is the utility called? Update: I'd rather not use Screen due to it licensing. TMUX is BSD-3 clause, which ...
Jacob's user avatar
  • 21
2 votes
1 answer
2k views

Byobu creating new session on every connection

Every time I connect to my Ubuntu 17.10 machine with byobu-enable turned on, I get a new "session" rather than it reusing my existing sessions. On connect: Byobu sessions... 1. tmux: foo: 3 ...
djmarcin's user avatar
  • 123
2 votes
1 answer
449 views

Easing terminal sizing on OpenVMS

Being somewhat green with OpenVMS, but still trying to "get stuff done", I'd like to make things a little easier in respect of setting terminal height and width. Presently I can SSH to an OpenVMS-8.4-...
Eric Smith's user avatar
2 votes
2 answers
5k views

keeping a detached ssh process running *after closing the ssh client*

I ssh in to my ubuntu machine usimg mobaxterm. This works very well. Sometimes I want to keep a process running but exit my ssh session (and exit mobaxterm). I have tried the following but ...
lazarus's user avatar
  • 121
2 votes
1 answer
9k views

Linux "tmux" Permission denined

I'm trying to run some automated scripts from root that will start running other scripts as another user in a "tmux" session. Example: File 1 - "start_test_script.sh" - in "root" home directory: #!/...
0x00FE's user avatar
  • 61
2 votes
2 answers
559 views

Help with tmux1.5 on Centos

I installed tmux 1.5 on Centos. The installation went ok after installed libevent and other libraries, but when I run tmux I keep getting the following error. tmux fatal: server_start: daemon failed:...
Tathagata's user avatar
  • 183
2 votes
0 answers
42 views

STIG'd RedHat 8 kills tmux session upon SSH timeout

I am working on a Red Hat Enterprise Linux (RHEL) 8 machine with the DISA STIG applied via OpenSCAP. The STIG requires that users be automatically dropped into a tmux session, that tmux session locks ...
Andrew Laramore's user avatar
1 vote
2 answers
523 views

Caveats of installing development tools on production server

I want to install some software on production CentOS box which are not available from repository (like tmux etc). I can download the source and compile it locally, but for doing that I'll need ...
Faisal's user avatar
  • 225
1 vote
1 answer
3k views

How to start a detached tmux session via ssh?

I know I can start a detached tmux session like this: > tmux new -d -s mysession sleep 10000 > tmux ls mysession: 1 windows (created Mon Apr 16 22:56:14 2018) [177x62] Now I want to start it ...
RnMss's user avatar
  • 113
1 vote
1 answer
2k views

Parse through a list of Ansible variables and refer to itself while running task

Problem I have a simple Ansible playbook that creates a list of tmux sessions and then runs a script inside of each session. I am trying to give the tmux sessions names in my vars.yml file. My ...
J.W.F.'s user avatar
  • 348
1 vote
1 answer
67 views

Why is my bash script not being sourced when opening new tmux pane?

The following logic in .bash_aliases to remove duplicate paths works fine when opening a new terminal: # prune duplicate paths PATHS=("PATH" "LD_LIBRARY_PATH" "C_INCLUDE_PATH&...
Jeff_V's user avatar
  • 21
1 vote
1 answer
660 views

My long-running script in tmux goes to sleep when I disconnect from the server - why?

I’m executing a long-running xml-generating script on a CentOS 6.3 server and using tmux (version 1.6) to keep the script running when I disconnect from the server. My problem is that when I ...
cfogelberg's user avatar
1 vote
1 answer
363 views

Use tmux for managing multiple downloaders as a supervisorctl service?

I have many data-servers I need to download data from via http as soon as it is available. For each server I start a bash "while true"-loop and within that a wget to poll the server for new data. To ...
AME's user avatar
  • 135
1 vote
1 answer
576 views

Does long running tmux session affect the server and does server need shutdown?

I have 2 questions that are related. 1st) I have a server running centos and is never shutdown. Does server need shutdown , if so how often and what problems can it cause if run without shutdown. ...
bagavadhar's user avatar
1 vote
1 answer
690 views

tmux bash konsole change title

How can I configurate bash or tmux for make konsole change window title? If I run tmux from xterm, it changes title But from konsole not change I also have some tricks in bashrc # window title if [ ...
azat's user avatar
  • 491
1 vote
0 answers
1k views

TMUX not creating sessions from CRONTAB

I'm having a heck of a time getting a tmux session to be created from a script executed by crontab. The script executes and the session is created without fail from just running it but if I run it ...
Tyler C's user avatar
  • 119
1 vote
2 answers
1k views

Start tmux session immediately after killing tmux server

If I run tmux kill-server ; tmux new -d -s test Sometimes it works, and sometimes I get lost server or no server running on /tmp/tmux-1000/default. If I do tmux kill-server ; sleep 0.1; tmux new -...
dspeyer's user avatar
  • 121
1 vote
2 answers
2k views

Tmux installation problems

hI, I am trying to install the terminal multiplexer tmux on my Debian Lenny server so that I can have multiple terminals through ssh. However I have had a lot of difficulty installing it from the ...
RayQuang's user avatar
  • 674
0 votes
1 answer
780 views

Bashrc function called ssh doesn't work

I created a function in my bashrc file so that when i ssh into something it automatically opens a tmux session. function ssht () { /usr/bin/ssh $@ -t 'tmux a || tmux || /bin/bash' } This ...
cwiggs's user avatar
  • 69
0 votes
2 answers
578 views

Is gnu screen or tmux more stable for keeping running on the server?

I want to keep a screen or tmux session running forever on a Ubuntu server, possibly for running a Clojure web server application so I can tap into the process via REPL at any time. Gnu screen or tmux ...
dan's user avatar
  • 907
0 votes
3 answers
1k views

Logout root after tmux detach

I'm running tmux on my servers and when configuring things I like to just su into root and take care of things. Is there a possibilty to log out root automatically after I detach the tmux session?
thpetrus's user avatar
0 votes
1 answer
646 views

The ulimits in tmux pane are not correct

I have changed the /etc/security/limits.conf file and set the nofile to 4096, and it returns 4096 if I run ulimits -n in an ssh session. But after I run tmux in the same session, ulimit -n returns ...
leetom's user avatar
  • 111
0 votes
1 answer
200 views

Why "--nodetach" option is needed for xsel when it is started from systemd unit?

I'm trying to adopt Alexey Samoshkin's approach to copy text from remote tmux session into local clipboard. I'm using xsel instead of xclip, and systemd user service instead of system one. Here is my ...
Andrei Korshikov's user avatar
0 votes
2 answers
376 views

re-parenting to screen two processes joined by pipe [duplicate]

Let's say in a PuTTY connection I start mysqldump --host host1 --databases db1 db2 db3 | mysql which creates two processes: mysqldump with PID 5800 and mysql with PID 5801. Is it possible to let the ...
user avatar
0 votes
1 answer
574 views

What is right way to tmux with fabric django?

1.I am doing this on local machine tmux new -s amazon then I ssh in to the server into tmux window shh user@amazon then I detach it ctrl b-d Into fabfile.py I am doing like this local("tmux a -...
Yugandhar Chaudhari's user avatar
0 votes
1 answer
762 views

Issue with Prompts when SSH from Tmux to Remote Host

I have a Tmux session running locally, in one of the panes I ssh to another host, however once the remote machine is logged in, the cursor is overwriting the command prompt. I think this is happening ...
Scruffers's user avatar
  • 161
0 votes
0 answers
14 views

TMUX -- How to percentage split?

This use to work --- Now, it seem like "-p " sizing longer work. Is there any workaround? !/bin/sh tmux new-session -s "Local" -d tmux send-keys "" C-m ; tmux ...
Merlin's user avatar
  • 131
0 votes
1 answer
56 views

tmux: pane make up windows, windows make up sessions. Now whats the use of session groups?

panes make up windows. A session can have multiple windows. But what is the use case of session groups? Is it a group of sessions?
Sergey Guzenkov's user avatar