bash Questions

Ubuntu – How to get the image name and version from manifest.json

December 30, 2023
stackbiz
2 Answers

This is a manifest.json generated by "docker save" on Ubuntu: [ { "Config":"a5a29aeb4d6a28cb5a0b759572ae5696f0a99a4be39aa4de08d8a897e6d12b95.json", "RepoTags":["hello/world:latest"], "Layers":["b0e93b0b2e63771ea0cd34f350681b4397c804e5ed5ba01aec23cfaf6c49bc51/layer.tar","f9b7caaf240b159e636f77a9571073f6e4d5a0541d864ec64e4e2808b282e302/layer.tar","1355029c32eee25981e17b0e89e946d9346cffdff29ff53858104ebfe6728d80/layer.tar","362092bb6a9ed18c0e88a9b1635e7c16914661935ce64f1b581d19fd5226463a/layer.tar","fe2bde379de2f44bb47d5d75a25294485f70d8b4c7a99a08b0fcef8f4076914d/layer.tar","4acfd2b9473bf5c17f50ad2ff04c148b1be79d1174509e0fb10d27ba8cff9294/layer.tar","e5131e82e66e45e002a88618254c1cde43a497d8a94fcb5d9b20171f19b15b96/layer.tar"] } ] I want to use "jq" to get the docker image name and version from "RepoTags": jq -e -r ".RepoTags" manifest.json Here is the…

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Ubuntu – Problem building Rust executable and Docker image for Mac M1: cannot execute binary file: Exec format error

December 29, 2023
Louis Beaumont
3 Answers

# Use an official Rust runtime as a parent image FROM rust:bookworm as builder # Set the working directory in the image to /app WORKDIR /app # Copy the current directory contents into the container at /app COPY . /app…

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Ubuntu – Spit a column into multiple columns in bash

December 29, 2023
KGee
6 Answers

I am working on VM Linux Ubuntu and my goal is to form this input 4,4 3,8 4,2 4,8 6,8 5,1 4,5 6,9 4,2 5,4 5,9 5,9 7,2 4,9 4,4 5,1 to this output 4,4 6,8 4,2 7,2 3,8 5,1…

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Ubuntu – Execute bash script in Docker Container using CMD command

December 20, 2023
Thols
2 Answers

Dockerfile: FROM ubuntu:latest ARG DEBIAN_FRONTEND=nointerative WORKDIR /var/photogram COPY . . RUN chmod +x /var/photogram/install.sh CMD /var/photogram/install.sh install.sh: #!/bin/bash echo "hello world" touch hello.txt touch sad.txt Structure of files: Tholkappiar2003@docker:~/docker$ tree . ├── Dockerfile └── install.sh 1 directory, 2 files Docker…

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Ubuntu – Python not working on a bash script but working on the terminal. How to solve it?

December 20, 2023
Robb1
2 Answers

I am trying to run a Python program through a Bash script. When I execute the python file by shell it works with no problem, but when I try to execute the script, the python keyword is not recognized. I…

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Ubuntu – while there is no line 16 but still giving error "line 16 : syntax error: unexpected end of line"

December 13, 2023
Gaddam Abhishek
2 Answers

a=10 b=20 c=30 if [[ $a -gt $b && $a -gt $c ]] then echo "A is the greater number" if [[ $b -gt $a && $b -gt $c ]] then echo "B is the greater number" else echo "C…

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Debian – Remove Curl and libcurl or Update it to latest version (>=8.0) in Docker in Nginx base image

December 6, 2023
merilstack
2 Answers

I have a base image called docker-base which has a Dockerfile as shown below: FROM nginx:latest # Create app directory WORKDIR /var/www/app RUN rm /etc/nginx/conf.d/default.conf # Install app dependencies COPY app-nginx.conf /etc/nginx/conf.d COPY motd /etc/motd RUN chmod 0644 /etc/motd; echo…

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Ubuntu – replace a specific text in all files with a text from its own file name in linux

December 6, 2023
Jonibek
2 Answers

Good Day! I have files in Ubuntu like: ZAF_MM_CYCLE_K051.XLS ZAF_MM_CYCLE_K052.XLS ZAF_MM_CYCLE_K053.XLS which are copy of a file "ZAF_MM_CYCLE_K036", the code of file is K036 File contents are the same LOADED_AGRS ZAF_MM_CYCLE_K036 AGG_DEFINE 200ZAF_MM_CYCLE_K036 $WERKS K036 AGG_1521 200ZAF_MM_CYCLE_K036 Here I have…

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Jquery – How to add key pair value to an existing json file if there are quotes

December 1, 2023
aditi
3 Answers

I have an existing key.json file that looks like this: key.json { "resstart": 1700839261, "resend": 1700839965, "resop": "SUCCESS", "resurl": "http://xxxx/", "ressummary": { "value": 1, "expect": 0, "tool": "abc" }, } I need to add the below section in my json…

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Ubuntu – Bash output changes drastically when redirected to file

November 30, 2023
FabiSahne
2 Answers

I had to write a program for Uni which prints some info about a file, or files in a directory recursively. The output of the file when called like ./listfiles xxx listfiles.c listfiles-example-dir /dev/tty is: xxx: No such file or…

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