Questions tagged [scripts]

A script is a program or sequence of instructions written in a plain text file. The script interpreter (for example Bash, Python, Perl etc.) reads the file and carries out the instructions as if they had been entered at the command prompt. Use this tag for all questions related to creating, troubleshooting and running scripts.

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unattended bash script (*.sh) with password

I want automatically made full image backup from any servers. Manually it works like: ssh [email protected] "nohup sudo -S dd if=/dev/sda | gzip -1 -" | dd of=fullServerXX-`date +%d%m%y`....
Pythonaire's user avatar
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here file does not fill token

I use a certain command quite frequently, but the command prompts a few things so I wanted to auto-fill it with here file, but it seems that for some reason it can't provide last value to the prompt. ...
Bartosz Wichowski's user avatar
-1 votes
0 answers
50 views

Variable returning empty in logon script

I'm trying to make a script that runs when the user logs in, to change the wallpaper. I run the script at logon, the script is inside the /etc/profile.d/ folder. I use ImageMagick to write the PC name ...
Raphael Aracelli's user avatar
0 votes
1 answer
83 views

How to write a bash script from two commands (Find and replace a text string in all files recursively in current directory)

On Ubuntu Server, I use two different commands to find and replace a string in all files recursively in the current folder. The first command is: sudo find . -type f -print0 |\ xargs -0 -r sudo ...
DanRan's user avatar
  • 95
-3 votes
1 answer
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Is there an easy way to install Session messenger on Ubuntu/Whonix

Session messenger https://getsession.org is great, yet for some releases of Ubuntu and for Whonix in particular the installation is way too frustrating. Any easy way to solve the problem?
Igor's user avatar
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1 vote
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How to add my own shell script to be able to be autocompleted in terminal by Tab

I have bunch of shell script (.sh) command created in a folder ~/bin, I added this path to .bashrc so I can execute them wherever I like. i.e. a sample command to create git feature branch based off ...
Dreamer's user avatar
  • 111
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0 answers
24 views

Monitoring user activity restricted to GUI apps

I wish to monitor what all apps were opened on the PC at any time. I mostly use it for operating GUI apps like chrome, vlc media player, etc. Specifically, I would like to know which app I opened at ...
IamThat's user avatar
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How can I run different commands in separate terminals using a shell script?

I have access to an Azure VM where I intend to run three Hyperledger Besu nodes: one boot node and two validator nodes. To automate this setup, I've created a shell script. First, I checked the ...
Shalabh Negi's user avatar
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1 answer
71 views

Backporting: Does anyone have a function to mimic bash 4 associative array?

I need to make changes in my script that uses associative array, so that the script may be used in older versions (before v4.0) of bash which did not support associative array. Can someone suggest how ...
rusty's user avatar
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Best practice to create a single panel button to process a file with awk, save it, then edit the output

In Ubuntu, what is the best practice to create a single panel button to process a somewhat large 15MB text file via awk, save that output with the same filename, and then open that file with a text ...
End Anti-Semitic Hate's user avatar
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Transfer latest file from SFTP to Local

I am using the following script to transfer the file from SFTP to local machine. Is it possible to update this script to only transfer the latest file from the SFTP? Some examples Database.bak Copy of ...
mouzzampk2014's user avatar
2 votes
1 answer
33 views

Download and Remove the files from SFTP server

I am using this to download the file from remote server but could you guide how can I use one command to first download and then remove the file from server. sshpass -p password123 sftp User@sft....
mouzzampk2014's user avatar
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0 answers
62 views

how to install apache flink on wsl2 ubuntu of windows 11

Below is my Apache Flink Installation process on wsl2 ubuntu of Windows 11. First, openjdk-11 installation $ sudo apt update $ sudo apt upgrade $ sudo apt install openjdk-11-jdk systemd installation, ...
Joseph Hwang's user avatar
1 vote
1 answer
133 views

Problem writing udev script to disable onboard network card

I'm trying to disable a faulty onboard network card with the solution suggested in this answer: https://unix.stackexchange.com/a/467085 . But for some reasons, the script/commands are unable to write ...
rusty's user avatar
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2 votes
3 answers
590 views

File removal on power off

I'm using Ubuntu 22.04LTS. I would like to create a folder "temp" where during my session I save the files that are, as the name suggest, temporary. How can I define a scritp that at ...
Iano's user avatar
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0 answers
20 views

Bash script for executing linux commands on remote machines using ssh key [duplicate]

I want to run a script to get details of hardwares and user details from multiple remote machines by login using ssh private key. this is my script #!/bin/bash # Check if the user provided a file if [...
Subash's user avatar
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1 answer
126 views

Script to notify via email when low on disk space

I found the below mentioned script on the internet, which notifies via email when server gets low on storage or as per defined. I run it every 5 minutes, if i am low on storage it keeps notifying me ...
Blohsh's user avatar
  • 3
2 votes
1 answer
119 views

Cron not running script on boot

The main idea is to make my pc run a script on boot in wich x11docker takes care of lifting a container with a youtube video. this is mi crontab -e: @reboot /usr/local/sbin/script-exo.sh script im ...
ømen's user avatar
  • 21
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0 answers
108 views

AWK issue on Bash script

I need to shortlist the logs between the particular timestamps. I can achieve it by using the below command. awk '$a>="Feb 5 10:44:*" && $a<="Feb 5 10:54*"' /var/...
Arunkumar NKL's user avatar
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1 answer
84 views

sed mongodb connection string copying multiple times in env variable through github action

this is command which i run in github action its copying into .env.production file sed -i "s#DB_URI=.*$#DB_URI=mongodb+srv://xxxxxx:[email protected]....
DevOPs's user avatar
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1 vote
0 answers
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Script in /etc/ssh/sshrc ignore for one user

As I've read on couple threads, I configured a script in /etc/ssh/sshrc for it to send an E-Mail every time when somebody connects over SSH. That works pretty good but recently I started using ansible ...
NASH7's user avatar
  • 13
0 votes
2 answers
130 views

Setting DEBIAN_FRONTEND remotely

Is there any way to set DEBIAN_FRONTEND=noninteractive when executing a script remotely via SSH? Doing so I get this error: sudo: sorry, you are not allowed to set the following environment variables: ...
Socrates's user avatar
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1 vote
1 answer
95 views

Ubuntu 22 shell scripts on desktop open in text editor instead of launching

I have some shell scripts (files *.sh) on my Ubuntu desktop, eg. startdoublecmd.sh or startlazarus.sh. When using Ubuntu 20, those scripts started automatically upon double clicking on them. Now I ...
tk_'s user avatar
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0 votes
2 answers
85 views

How to monitor particular command or add extra functions to it?

I am attempting to implement mobile push notifications (utilizing the Docker ntfy service) for scenarios such as automatic system updates and Timeshift snapshot creation. None of these commands are ...
zawier's user avatar
  • 13
0 votes
2 answers
166 views

cron unable to run .sh script - 22.04

I am trying to run a simple script that checks the battery percentage and shows it through a notification (notify-send). The script runs correctly if ran from terminal manually: ~/path-to-script/...
overmach's user avatar
0 votes
0 answers
50 views

Running a script when switching Ubuntu user accounts

I have some software that is using absolute paths and is thus dependent on the user name of the account in question. I would like to run a script that is creating symbolic links in order to allow that ...
Leigh K's user avatar
  • 283
0 votes
0 answers
52 views

How to autostart a jar file with swing GUI when booting Ubuntu

I'm trying to autostart a jar file with an .sh script: #!/bin/bash export DISPLAY=:0 java -jar /home/username/Desktop/jarfile.jar The jar file is a Swing GUI application. When i manually start the ...
Daniel Tscherkaschin's user avatar
-3 votes
1 answer
83 views

Bash Script, Automated no and yes [duplicate]

I need to have a script that instructs the system to run an fsck on a drive but I only want it to run if the drive is not mounted "/dev/mmcblk0p2 /mnt/Share ext4 defaults 0 2" Basically is ...
Christopher Lock's user avatar
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0 answers
223 views

SyntaxError: Missing parentheses in call to 'print', while trying to run system

I am trying to run my system (Empire PowerShell), but it keeps giving me a syntax error. The system I used didn't support python3, so I had to install python2 which ended up working. But when I try to ...
Seul's user avatar
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0 answers
50 views

Linux shell script getting "stuck" during network interface reset

I'm working on a linux shell script to aid in resetting network devices on my system is a bit speedier way than typing 5 commands. The problem is that the script gets intermittently stuck and returns ...
John Aldrich's user avatar
0 votes
0 answers
103 views

How to run password with sudo command using php?

Below is the example, I was trying to execute the command using PHP function. Not getting any error or not happen anything after execute this code. $siteConfig = <<<EOL server { listen 80;...
Urvin Sanghavi's user avatar
0 votes
0 answers
92 views

I need to run a script during first boot and want the CLI to open for possible input

Edit: I need a bit more explaining here. This is a one time only run personalization script for the computers that I have set up that I would like to run only on the first boot. After tweaking the ...
BuddyBoy's user avatar
0 votes
0 answers
47 views

Ubuntu Core - Startup Interactive Script

I have a fully supported device which I boot using an Ubuntu 22 Desktop image and "Try" it. Then I run the xzcat / dd commands to flash Ubuntu Core 22 onto the disk. Then I restart the ...
Pasha Siraja's user avatar
0 votes
1 answer
171 views

Why does my powershell script run with "pwsh" but doesn't with "sudo pwsh"?

I'm still somewhat new to Ubuntu / Linux so please bear with me if I'm not using correct terminology. I'm on Ubuntu 20.04 but I use Putty to perform everything via the terminal. I'm using a collection ...
tl6277's user avatar
  • 1
0 votes
0 answers
580 views

How to reload .bashrc settings without logging out and back in again?

I created a script that add's the below commands to the .bashrc file. The purpose is I need to store the commands entered by the user into the .bash_history. The below commands are adding to .bashrc ...
SIVA KUMAR KALLURI's user avatar
0 votes
1 answer
121 views

How to make my script that has a timer to shutdown my machine work?

I have script to shutdown my computer after 2 minutes, and 1 minute before shutdown it sends a notification that says "It will shutdown after 1 minute". The script will be executed on click ...
Web Developer's user avatar
0 votes
0 answers
37 views

How to batch rename a bunch of files of same type inside folders to that the numbers in the name are inside brackets? via terminal

Ubuntu 20.04 I have files stored in the following fashion as a example: Uni - Biology - 01122023 Class 01 - subj dfsg.txt 02122023 Class 02 - subj eweg.txt 03122023 Class 03 - subj ewq.txt ...
Kaikidan's user avatar
1 vote
0 answers
40 views

Jack not loading all the settings at startup

I can´t make my system recall the whole audio configuration at startup. After playing a lot with Jack, Carla and scripts, I've found this way to make my system (manually) work: Here is a little video ...
Javier Tucat Moreno's user avatar
1 vote
1 answer
117 views

How to identify the input that caused a program to segfault?

I have scripts that run programs (that I did not author) and some are getting segfaults on a few inputs. I do these things in large batches that run for up to a week, and would like to know which ...
ForDummies's user avatar
-3 votes
1 answer
236 views

Auto Script Generator

I want to generate a script for hard disk partitions #!/bin/bash # Check if blkid is installed command -v blkid > /dev/null 2>&1 || { echo >&2 "blkid is required but not ...
Mohsin Rao's user avatar
0 votes
1 answer
166 views

Run a command using system.service ./start start

I'm trying to get my system.service file to run a command that is inside my start script. I've tried adding StandardInput= which did not work, so I believe I misunderstood how that operates. I've also ...
Lex King's user avatar
1 vote
1 answer
81 views

Bandwidth rate for specific IP (bash scripting)

I can watch live bandwidth rate using tcptrack -i ens3 src or dst IP But I need to use it in bash script Are any tools which could return current bandwidth rate for given IP? Like in tcptrack in the ...
pirojnoe's user avatar
0 votes
1 answer
174 views

How to use invert match regex in sed? like grep

How can I use invert match regex like grep -v ? I want invernt sed '/[Ss][0-9]*[Ee][0-9]*/d' ${Src} like grep -ev '[Ss][0-9]*[Ee][0-9]*' ${Src}
fsgdfgdfgd's user avatar
1 vote
2 answers
206 views

How to make script work to set IP address of ethernet adapter?

On Ubuntu 22.04 I have the following script #!/bin/bash INTERFACE="enx00e04c681730" echo "Interface: $INTERFACE set to IP $1" ifconfig $INTERFACE down ifconfig $INTERFACE $1 ...
Alex's user avatar
  • 797
5 votes
1 answer
365 views

What is an example use for a non-interactive login shell?

I understand it is extremely rare and the concept, but can't think of a use for it. I do have an idea that we may want to execute a script that has a command to login to a server through ssh, is that ...
Lukali's user avatar
  • 171
1 vote
0 answers
19 views

Total keyboard, mouse and screen lock

I want to make an alarm script to play a video and lock totally the keyboard, the mouse and the screen until the video finish. I really need wake up on time and sooner haha This is all I have: #!/bin/...
Ruben Gael Leal Espinosa's user avatar
6 votes
2 answers
257 views

Find duplicate case insensitive filenames in all folders and sub-folders

I have about 250,000 files in several folders with sub-folders. Looking for a solution how to find duplicate filenames in all folders and their sub-folders. My OS is Ubuntu 22.04, using bash. I prefer ...
sotirov's user avatar
  • 3,119
1 vote
1 answer
69 views

Dolphin context menu exec command, cp will duplicate selected folder if already copied

So I'm trying to automate some tasks and I'm making some dolphin ServiceMenus. Exec=for file in %f; do new_path=$(echo "$file" | sed "s|^/home/$(whoami)||"); mkdir -p ~/Dropbox/....
mioufts's user avatar
  • 11
-1 votes
1 answer
176 views

Does the Nano edited file not get updated after reboot?

I am using the nano command to update the file and save it, however, the file has not taken effect after the system rebooted. The file was not updated after checking again. Nano editor version 6.0.1, ...
kt04716's user avatar
0 votes
1 answer
66 views

How can I create my own app package?

I will give an example: There is .deb, .appimage, flatpak, snap, AUR, etc, but I want to create my own (Example app.fictionalpackage) Maybe zipping a folder with files inside and renaming ".zip&...
Felipecconde's user avatar

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