This command is a command to find hidden files. The command is well recognized when executed at terminal. However, if you turn the command over to the argument in the bash script, it will be recognized as an invalid command.…
In order to automate a workflow in Python there are a few Cshell scripts which I need to run. I would like to be able to call these scripts from my Python script itself in Windows. Below are the two…
I am trying to work with nginx in my express app and I'm following the tutorial here https://cloud.google.com/community/tutorials/deploy-react-nginx-cloud-run then at the end I saw this command CMD sh -c "envsubst '$PORT' < /etc/nginx/conf.d/configfile.template > /etc/nginx/conf.d/default.conf && nginx -g 'daemon off;'"…
I'm trying to make a call from within R to execute BASH commands, to get my feet wet: I wanted to simply capture a listing of my current files located in a specific directory through use of the "ls -al"…
For example 2211 needs to display 6 but I can't find a command that helps me with it. I have already tried with cut but that can only cut one at a time.
I am trying to install sparkmaic in jupyter notebook through pip but getting below error: Command: pip install sparkmagic error: Collecting gssapi>=1.6.0 Using cached gssapi-1.8.1.tar.gz (94 kB) Installing build dependencies ... done Getting requirements to build wheel ... error error:…
In Jenkins, you can use the sh step to run Unix shell scripts. I was experimenting, and I found that the stdout is not a tty, at least on a Docker image. What does Jenkins use for capturing stdout and…
The following index_of function doesn't work for all cases: #!/bin/bash index_of() { local string="$1" local search_string="$2" local prefix=${string/${search_string}*/} local index=${#prefix} if [[ index -eq ${#string} ]]; then index=-1 fi printf "%s" "$index" } a='#[hello] world' b=$(index_of "$a" "world") echo "A:…
I'm having problems with getting proxy setup right in a docker container. I want to download a file from github, but get unable to resolve host address error from wget. Now, how do I debug what goes wrong in accessing…
I want to get the Last date of the previous month and the code I'm using is date -d "$(2022-04-30 +%Y%m01) -1 month" +%Y-%m-%d. The output I'm getting is 2022-04-24 instead of 2022-03-31. I'm using Debian Linux.