Problem: Cannot create topics from docker-compose. I need to create kafka topics before I run a system under test. Planning to use it as a part of the pipeline,
I have a shell script file like this: #!/bin/bash CONF_FILE="/tmp/settings.conf" #settings.conf contains OS_NAME="Caine Linux" source $CONF_FILE display_os_n
Can anyone explain what is the difference between p and P in Sed? Suppose I want to print lines containing gmail in the below file using both p and P give the
I am trying to use Python script to run Tera Term application to open console for Serial port communication and i am sending some commands/keys like {Enter}
I'm trying to access a specific property in a plist file on my MAC OS, but the name of that property has a space in it and I cannot access it. here is the reque
I am running a simple shell script with Gitlab CICD and I am getting Permission denied. Kindly suggest When I do chmod +x test.sh it says operation not permitte
I'm trying to find files with size larger than "x" , ex: 32 bytes But what I found in ls --help was only ls -S , that just sort by size and not satisfied my d
What is a login shell and interactive shell, and what is a .bash_profile and .bashrc?
I have to create a shell program, such that each time certain users (given as parameters) connect/disconnect from the system, it will save in a text file if its
I'm using intelliJ for IDE and installed IdeaVim. I'm trying to execute git status inside vim but it didn't work and nothing to show. :! git --help and :! ls
I am trying to figure out the syntax for having a while loop and an if statement that checks for more than one condition, in a single-line shell script. Execut
I tried to install Ruby 2.0. My command line urped and now looks like the following: -bash: __git_ps1: command not found [11:58:28][whatever@whatever ~]$ I
I'm trying to replace the tab with 4 spaces, using sed, but it is not working. Here is my code: sed -i '{s/\t/ \{4\}/g}' filename Any suggestion is apprecia
I am trying to add a variable to the middle of a variable, so for instance in PHP I would do this: $mystring = $arg1 . '12' . $arg2 . 'endoffi
We all know arrays in Bash are indexed from zero, and in zsh are indexed from one. How can the script know it should use 0 or 1 if I can't ensure the running en
We all know arrays in Bash are indexed from zero, and in zsh are indexed from one. How can the script know it should use 0 or 1 if I can't ensure the running en
I want to remove some n lines from the end of a file. Can this be done using sed? For example, to remove lines from 2 to 4, I can use $ sed '2,4d' file But
im running a docker container as shown below, after the sh files are executed the container terminate by default, how i can keep the container working in backgr
Here are a series of cases where echo $var can show a different value than what was just assigned. This happens regardless of whether the assigned value was "do
I have a string that i am want to remove punctuation from. I started with sed 's/[[:punct:]]/ /g' But i had problems on HP-UX not liking that all the time