Questions tagged [gnu-screen]

GNU Screen is a software application that can be used to multiplex several virtual consoles.

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Automate logging in to separate cluster nodes for monitoring (htop)

I login to the cluster and login to say N=3 nodes. Then, I laboriously open the N panes in eg tmux or kitty, ssh onto the login node to each, then ssh onto the specific node for each of the N nodes, ...
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Custom systemd unit fails to start gnu screen and fork to background

I am trying to make systemd unit that starts a script inside GNU screen headlessly. I did base my work here on a couple of questions some had that were related. I also tested the ExecStart line in a ...
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Screen inside Mac OS seems to go idle

We have Mac Mini with a classic Mac OS install (12) that runs a command every x minutes within a screen instance using a pipenv command that look like this. [scripts] some_pipenv_command="sh -c '...
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Quitting screen without a prompt

I would like to exit my active screen session and kill (not detach) the session. This is done with CTRL + a and then k, however screen then then prompts you "Really kill this window [y/n]" ...
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Set screen col width automatically

Can I use .screenrc or command line arguments to start screen with a width of 100? Currently I start screen then run the width command every time. screen screen -X width -w 100
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How to run Python venv script with screen in crontab

I have a sh script with the following content: screen -mdS myscript /home/myscript/myscript_env/bin/python3 /home/myscript/bot.py This script executes a python script and opens it in a new screen. It ...
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1 answer
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Is the root user able to administer screen for other users?

We're trying to rewrite a draconian screen session killer for users who leave their screen sessions up for an inordinate amount of time and have in some way or other circumvented our session timeouts. ...
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Starting screen session as a service, how do I transmit the screen session output (back) to the service log?

I have an application that is a interactive shell. I want this application to run as a service. To be able to access the shell while the service is running, I figured its best to start the service as ...
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Stop gnu screen from asking for a password on screen -rd

Looks like GNU screen considers detach a lock request, and always locks when detached. How do I disable this? I trust all users (myself) on the box, and care little about the security implications.
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Howto start and detach screen with user environment on startup?

I want to start screen and put a couple of programs running inside on startup. I've seen many similar posts but none answered my question. so I put in rc.local following 2 lines: screen -dmS scr ...
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Cannot stop screen started with systemctl start [closed]

On ubuntu server 20.04 I created a service definition for a Minecraft server within a screen session like that [Unit] Description=Minecraft Server After=network.target [Service] User=minecraft Nice=...
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Upgrading GNU screen in-place without restarting

I am looking into upgrading GNU screen following CVE-2021-26937. My question is simple: can I upgrade GNU screen without restarting my current screen, e.g., by a kind of in-place upgrade mechanism ...
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How to monitor stdout logs in an EC2 screen session?

I'm running a CLI on an EC2 server (Amazon Linux image), which I let run indefinitely with the screen terminal multiplexer. My program queries an API continuously and logs the current state to stdout: ...
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Keeping processes alive when closing SSH connection on MobaXTerm

I'm facing somme issue when trying to keep process alive when shutting down session in MobaXTerm. I have a java process which should run on a linux server. I am using two commands, nohup and screen. ...
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Do not log colors to screen logfile?

Running an application inside screen to log all output including stacktraces not caught by the applications logging. Screen is however logging all formatting like ^[[58;1H^[[58;1H which results in ...
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screen inside systemd daemon on CentOS 8

So I want to run screen inside a systemd service so that I can give the process (inside the daemon) commands while it is running. See at the end of the question for examples of what I want be be able ...
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script to attach screen and run command but do NOT detach

I want to do something like this: #!/bin/bash screen -r session -X run 'long-cleanup-and-quit' doing-something-else ... Which is fine, but I want 'doing-something-else' to wait for screen. screen -X ...
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Save or capture Screen output to file after it has written to stdout?

I've run a script in a screen session but I forgot to redirect stdout to a file. There's about 10MB worth of text. If there's even some way to highlight the text and copy paste I would, but Ctrl-A + ...
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LINUX: is it posible to show on tty1 the same thing I see when logged in via ssh?

I am logged in via ssh int a foreign Linux box, and the owner want to assist me from tty1. I tried to convince him to log also in and share a screen with me. He insists he want to assist me from tty1....
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Amazon EC2 only running one http script

I'm running a python script to scrapping a page in my EC2 server using screen linux though a SSH connection. My EC2 account is the free tier offered by them. Every time I try to run another script (...
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Attach root-user screen session as non-root user

I have a screen session that is started by root and I would like the non-root account (guest) be able to attach the root user's screen session in multi-user mode with screen -x. Is this possible? ...
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GNU screen: Endless flickering on attach

I run a process in a background (i.e. nobody attached) GNU screen session on a fresh Kubuntu machine (in a qemu vm). It starts very early during boot, runs for many minutes, and creates all kinds of ...
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Monit background script running within a detached screen

How can Monit be used to monitor a simple script that creates no PID file and is running in the background within a detached screen session?
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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 ...
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resume tar command when nohup/screen is not possible

I have a dataset which is quite big - a few petabytes. Untarring it into a new filesystem takes a couple days. The problem is that the server does not allow me to have a process running over 24h - it ...
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Create a screen. Run said screen as a user. Detach

I'm essentially trying to combo Create screen and run command without attaching and another answer that allowed me to run a script as another user. I want to SSH from Server 1 -> Server 2 and run a ...
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Starting java program and screen with cron at boot [duplicate]

I am trying to run a java program inside a screen session at boot, I am using the following cron, but after reboot screen -ls shows no active screen sessions. @reboot /usr/bin/screen -dmS myservice "...
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Can GNU screen leave you at shell prompt after command instead of exiting the TTY?

I commonly need to run a specific screen session with 9-10 windows, most of which need to run either an interactive command, or simply a setup-type of command. I do this via screen -c <config-that-...
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If run as a cronjob my shell script doesn't launch a screen

Please have a look at the following simple shell script startCleanup.sh: #!/bin/sh screen -d -m -S cleaner /usr/bin/python3 /opt/cleanup.py My crontab looks like this: * * * * * /opt/startCleanup....
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How to use screen with mysql cli?

Here is what is happening. I'm using debian with KDE. I open Konsole. I use ssh to log into my amazon server. All of the following commands are done in the Konsole whiled logged into the amazon server....
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On Google Cloud, GNU screen just exits with no message - Ubuntu and Debian

On Google Cloud Compute Engine GNU screen is exiting with no message. It works if I "sudo screen" but that is not what I need. The binary is suid root and has correct permissions, and I have also ...
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How to tell screen use use different bash_profile?

How can I tell to screen to use different bash_profile? Problem is we use a technical user to log in, but I edited a custom PS1. Normally I login with putty like: ssh user@host -t "bash --rcfile ~/....
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Unable to run X server on a remote VPS server using xvfb

My app uses the library https://github.com/wkhtmltopdf/wkhtmltopdf which requires X server. Here's a workaround: echo -e '#!/bin/bash\nxvfb-run -a --server-args="-screen 0, 1024x768x24" /usr/bin/...
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Create screen session in background only if it doesn't already exist

How can i create a screen in detached mode only if it doesn't exist? This creates a screen named name in detached mode but will create duplicates screen -dmS name command This creates a screen only ...
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screen Cannot access pts/0 No such file or directory

I want my script continue to run after ssh session terminate. I have no root access to server. What I tried: autos@autos.tech [~/bit]# ls -la /var/run/screen/ drwxrwxrwx 4 root screen ...
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how to avoid screen termination once the job is done [duplicate]

using a shell script i am ceating multiple screen in which i m running rsync cmnd with below syntax, n i m able to do so. screen -dmS "$SESSION_NAME" "$COMMAND" "$ARGUMENTS" but as soon as rsync ...
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How to launch crontab commands inside of certain screen sessions?

I have a crontab that runs like this: 0 0 * * * /execute/shell/script.sh 0 0 * * * /execute/shell/script1.sh 0 0 * * * /execute/shell/script2.sh And, I want to launch each script in a different ...
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Recover a running script from a terminal session

So I'm using GNU Screen to manage multiple running scripts/programs. The multiplexing & detachability is quite helpful. I removed a script from disk and now I'm having some trouble finding the ...
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/var/run/screen permissions changing to 775 without restart

Good <Insert Part of Day>, I am currently having an issue with several of my boxes running CentOS 7.3.1611 wherein the permissions for /var/run/screen are being changed to 775, resulting in the ...
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How to detach Screen session with a command with Python Fabric

I know about Ctrl A and D combination. What actually I am looking that I am running a long process with screen. I want to programatically come out of it as I am using Fabric to automate my activities. ...
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why must I use sometimes screen -rx and not screen -r?

Sometimes to get access to screen console I need to user screen -rx and not just screen -r. Any idea why and why this happens ?
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Obtain hardcopy from a screen session

I have a job launched in a screen session which is expected to run for several hours. From time to time I'm requested to check if job is still running and guess at wich % of work is. Guess if it is ...
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Killing screen session and starting a new one, cron

I have a screen session I run with a couple windows going on it that are running a couple applications that run a console in the terminal window (thus why I run them in screen). I would like to be ...
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2 answers
3k 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 ...
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open screen in background and start a process

I want to do the following: After reboot I want to start a screen which then should execute a script. Therefore I searched for crontab and screen and I also did find some answers. However, nothing ...
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How can I get su screen PID on Debian8?

I want to run this command by another user (so with su): screen -ALmdS server_mta ./mta-server -n It's okay: su - server_2 -c 'screen -ALmdS server_mta ./mta-server -n But I need the PID of screen, ...
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Bash script: get real remote (mosh+ssh) IP

I'm using Mosh + GNU Screen for most of my remote work. I'm also moving to location during the week (with different IP addresses) and this setup keeps everything running like a charm. There is one ...
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Init script doesn’t work properly by using “service” command

I have the following startup script, which should either start or stop a screen in detached mode: #!/bin/sh # node2 # Maintainer: @KittBlog # Authors: mk@kittmedia.com ### BEGIN INIT INFO # ...
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Need to send ^C to CLI using GNU screen over serial interface (/dev/rfcomm0)

I am connected to an embedded Linux device using GNU screen. The connection is via /dev/rfcomm0 which is a Bluetooth serial interface. I frequently forget to put an & after a CLI command, which ...
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Run command in screen when LSB initscript stopped

I'm trying to get a Bukkit server to run inside a screen as a service, started from an LSB script but I cant get it to stop correctly. What I essentially want it to do is reattach the screen and send ...
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