Questions tagged [scripts]

A script is a series of instructions written in a "plain text" file. The script interpreter (for example, Bash or another shell, Python, Perl, Ruby, etc.) reads the file and carries out the instructions as if they had been entered at the command prompt.

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65 views

What does 'pwd' mean? In context of this install script

I have an install command for a particular package contained within a folder It's a package for encryption and security Could someone explain for me exactly what 'pwd' might mean? ./install_***.sh `...
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udev rule launches bash script at hotplug but not at coldplug/reboot

basically this udev rule at boot time , but I read somewhere that it was the systemd daemon that handles all the coldplug while udevd handles only the hotplugs. How to do it with the linux systemd way ...
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1answer
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sh -c '…' sh {} not working when using if statement and having ' in the filename

I have the following simplified script: find /home/cas/plex-media/series/ -type f ! -name "*.srt" -exec sh -c ' file=$1 if [ if-statement using $file ]; then echo "true&...
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make a script that open two terminal and start projects

I would like to create a script that navigate to 2 project folder, and execute 2 terminal that remain open, so that I don't have to do it everyday. I tried the following : #!/bin/bash cd Repository/...
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What does a "No such file or directory” mean and How do I correct the problem?

I read in Stack Exchange that the message I am getting, "No such file or directory” refers to not being in the directory where the file I need resides. The article suggested using “cd" to ...
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1answer
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How can I convert netstat output to a variable

netstat -an | grep :443 | grep -v TIME_WAIT | wc -l How do I convert this retunring value of 171 to a variable foo so that If I enter $foo it will return 171.
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1answer
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Using xargs and variables

Hey I have a question. This is the command that I'm using (at the place of echo $file is a different command. I simplified it): find /home/cas/plex-media/series/ -type f -name "*" ! -name &...
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1answer
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create directory structure from tree command output

I have few tree command output of some directory structures (in text files). It looks something like: % cat tree.txt . ├── grandpartest │   └── partest │   └── test │   ├── empty-asciidoc-...
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Is there any bash script to find the difference of two directories and copy the difference to next third directory?

Actually I need a script that compare the content of two directories and copy the difference to next directory. Suppose I have dir1 which contains file1 and file2; dir2 which contains file1 then the ...
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how to compare timestamp to mach using shellscript?

i am writing a shell-script to trigger mail alert when a package is installed or removed in a server using dpkg.logs i am using fswatch or inotify to track file modification,i am able to get when the ...
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How to launch anbox.appmgr from crontab in AWS

How can I show notify-send messages triggered by crontab? I am following this to launch anbox via crontab in the remote server. It works perfect on the local machine, but when I change the content of ...
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1answer
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Ubuntu 18.04-Replace default screen lock behavior with custom shell script

I'd like to override the default Ubuntu screen locking behavior. I have a shell script set up which does exactly what I want it to do when I run it manually, however, I cannot seem to find any way to ...
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I want to get a warning when apt installing from certain sources, like restricted and multiverse

Is there a way to make apt give a warning whenever I'm about to install a package from certain sources? For example, suppose I specify main, universe and certain PPAs as "OK" (since they ...
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1answer
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Scripts that detects kernel activity and reboots when kernel freezes

I'm running a machine that has a GPU running that sometimes causes the machine to freeze. When I look at syslog file, it says that the kernel is hung: "echo 0 > /proc/sys/kernel/...
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Thinkorswim raspberry pi installation

Can someone please create a step by step guide on how to install thinkorswim on raspberry pi 4 running ubuntu? I have read some redit threads and am having difficulties making it work. This would ...
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Bash script executable manually but only partially via udev rule

I'm on Ubuntu 18.04 LTS and I wrote a script to take pictures and send an email with ssmtp when someone removes a USB device from my computer. the udev rule works fine and execute the script but only ...
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Released Package With Bug In 'prerm' Script

I have a package that has already been released. I have a new version of the package that I'd like to release but I've learned that there is a bug in my original 'prerm' script that will cause some ...
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1answer
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WakeOn-LAN automated script

How would I go about having a desktop shortcut to run a script that sends a WakeOn-LAN packet with the same settings as this graphical online version? I'm using Ubuntu 18.04 https://www.depicus.com/...
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'q-text-as-data: command not found' error in a Bash script?

I am a Linux novice, and I am currently trying to run a Bash Shell Script (see the very bottom) that manipulates files (code snippets) using the Windows 10 Linux Subsystem, but the script keeps ...
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Running a script from the desktop

I wrote a simple script in a text file, put it on the desktop, and made it executable. When I double-click it (or right-click and "Open" it) from the desktop, nothing happens - it does not ...
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Change folder icons on a usb device

I want to change the folder icons that are on a USB device, so that you get the same look regardless of which machine you open it from. Is this possible to do through a script that is automatically ...
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1answer
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/etc/ssh/ssh_config: line 58: Bad configuration option: subsystem [closed]

I have a configured the /etc/ssh/ssh_config file as below - # This is the ssh client system-wide configuration file. See # ssh_config(5) for more information. This file provides defaults for # users,...
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How to run pynput and FFMPEG script using CRONTAB?

I need to start three python3 scripts and a shell script using crontab. These scripts should run at the same time without any delay. Each script runs exactly for one minute. For instance, I have ...
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1answer
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How to add a script to /etc/profile.d so the script runs on every login?

I need to make a script that on every login creates folder and subfolder, I have the script written but I don't know how to add it to /etc/profile.d I have tried to write in /etc/profile.d source /...
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3answers
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How to execute a script every time the terminal opens?

I have a script with welcome message that I want to execute every time the terminal opens. How can I do that? This is the script, what should I add so the script runs every time I open the terminal? #!...
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How to create a script that when any user logs on starts a script that creates a workspace?

I need to create a script which, when any Linux Ubuntu user logs on, starts a script that creates a workspace called WORKSPACE_*NAME OF THE USER in the user's home directory, and when logging out, the ...
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Impossible to activate a conda environment by shell script [duplicate]

I would like to activate a conda environment by a shell script, as suggested here, I have tried: #!/bin/bash -i source $(conda info --base)/etc/profile.d/conda.sh conda activate myenv but it doesn't ...
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1answer
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why doesnt this bash script get all the files?

I have a large folder with subfolders of pdf files. I want to get all the pdf files (290 of them) and get them into one directory. (I thought that would be simple.) so that I can concatenate them into ...
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How to run a script on startup using Screen on Ubuntu 20.04

Trying to find out how to run this command upon startup of Ubuntu: su - username -c "screen -dm -S autorunner ~/Desktop/..." This command is based off of a guide for the Raspbian and uses ...
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1answer
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How to stop the bash script when a command meets an error?

I need the below bash script to do the following that when the gcc command returns an error, the script will stop looping and exit prematurely. And if the script is exiting prematurely it should ...
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2answers
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Shell script not running from cron

Server Ubuntu 16.04 running in a Virtual Box. I had a server which I needed to rebuild (had no backups). I copied all relevant scripts I needed to reuse and all work as expected except one which is ...
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3answers
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How do I run an .sh file on boot? [duplicate]

I'm using Ubuntu Server 20.04 for Raspberry Pi 4, I'm trying to get a .sh file to run at boot, so I can just plug the Pi in and it runs the script, but how do I do that.
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How to obtain the latest .deb package of Vivalvi browser?

How to download the latest .deb of Vivaldi browser using wget generic command (with the help of wildcards)? Vivaldi can't be downloaded without entering the exact name and number of the latest build. ...
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1answer
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Error: Failed to execute child process Failed to execve: No such file or directory

Hello I have the following script, I am learning shell scripting: #! /bin/sh gnome-terminal -- 'cd ~/DevSpace/AndroidStudio/arctic_fox/bin/ && ./studio.sh' After running this I get the ...
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1answer
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Make these 2 commands run every time my ubuntu starts

I have these 2 commands echo 0 | sudo tee /sys/module/snd_hda_intel/parameters/power_save_controller echo 0 | sudo tee /sys/module/snd_hda_intel/parameters/power_save which are used to remove sound ...
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Script called by inoticoming not always executing correctly

I have a little automation designed to uncompress attachments to certain incoming email and save the decompressed files to a certain directory. Running on Ubuntu 20.4. It is supposed to work as ...
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1answer
42 views

Automate Curl multiple HTTP requests

On Ubuntu server 16.04.6, I am using Curl (v. 7.47.0) to test my web-server and network components. Using the -: option (also known as --next), I keep the TCP connection open, and send multiple HTTP ...
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Wsl2 loosing speed / leaking?

I'm running a mapping project on my win10/Wsl2 Ubuntu 20, and the process is a a bash script running imagemagick and analysing colors on maps (500x500px). The script is also writing reports on the ...
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3answers
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How do I add a line to the shell script?

I am new to Linux OS. I was trying to add custom colors to my terminal using LS_Colors Project on Github I installed the package using sh install.sh from the repo. And it says, To enable the colors, ...
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1answer
83 views

How to recognise if someone is watching plex media for my bash script

Hey I have a (for me at least) quite difficult question. I have plex media server installed on my Ubuntu server. I'm writing a script that will automatically check if there's an update for the plex ...
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28 views

How can I run two Scripts/Applications at the same time?

I would like to run 2 vban instances at the same time. One for receiving and one for sending audio. The Scripts work fine but only if I run one at a time. If I try to execute both it does not work. ...
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Set Build in audio Profile to Analog Stereo Output in Pulse Audio Volume Control

Hello i recently installed Ubuntu 20.04.. After installing i found that there is no volume in front headphone . Then i found that if i change "Set Build in audio Profile" to "Analog ...
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2answers
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Bash command to recognize difference between variables

I am given from stdin 2 variables a name and a number given in any order. How can I identify them correctly in a bash script such that I can print them in a file in the same order(age, Name) ./a.sh ...
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2answers
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Xubuntu 20.10: “cowsay” script [closed]

Im trying to make a "cowsay" script but i need to know how to do if equal this or that and how to make it accept input (in a sh script file)
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1answer
173 views

Xubuntu “Bash” doent exist? [duplicate]

Im having a problem with my xubuntu script. This is the script: #!/bin/bash/ cd / touch ~/.config/zoomus.conf cd ~/Desktop 'home/oem/Desktop/Zoom.desktop' This is my error: bash: ./zoom.sh: /bin/bash/...
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VPS, Ubuntu 20.04 autostart script

I have few questions about Ubuntu 20.04 and autostarting some script. I have a VPS and, when the system reboots, I would like the script to automaticaly run. I tried crontab and added: @reboot user ...
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Run python script return exit code =1 as service Ubuntu

I create a file job_tracking.py #!/home/thao/venv/bin/python while True: print("hello") # job_tracking_stats() log_app('Stats tracking Sleeping...') time.sleep(5) log_app(...
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1answer
32 views

How to sort a file before redirecting it as an input to a bash script?

I want to have the second column sorted before using it. It is ok to apply sort-command between braces or is there another method of integrating it into a bash script. I was thinking of sorting the ...
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2answers
114 views

Start a script with systemd when user logs in

I'm trying to start a script with systemd, when an user logs in. Nevertheless until now, it is not working the way I'd like. What I did: I placed the following service in /etc/systemd/system/...
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1answer
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How can I create an alias for a file in bash.script and then redirect info to it?

I want my outputFile.txt to be generated in a bash script I have tried to write it file='/home/dir1/dir2/dir3/file' cut -d : -f1 > file but this doesnt work. If i write /home/dir1/dir2/dir3/file ...

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