Multiple lists of Books with ISBN,TITLE,OBSERVATION and other with OBSERVATION,TITLE,ISBN, I want remove column OBSERVATION, print TITLE as 1st column and ISBN as 2nd as follow. Input: 123654 Cosmology Updated 35647 Medecine Revised 987456 Juriprudence Revised Updated Rhetorics 123456 Revised epistomolgy 6543…
Tag: linux
remove character on the last line that specific word appears
we have the following file example we want to remove the , character on the last line that topic word exists expected output we try to removed the character , from the the last line that contain topic word as the following sed cli but this syntax not renewed the , sed (GNU sed) 4.2.2 Answer In case you have
How to use `PublishSingleFile` option for `dotnet` and macOS?
I use dotnet on macOS and want to build an application for Linux. To achive this, I use the following commands: According to this article, the dotnet command should support a command-line flag to pack the application into a single executable: My question is two-fold: Why is there no PublishSingleFile option f…
MySQL on Compute Engine did not shutdown correctly due to maintenance
I’ve discovered that a recent automatic migration of my Compute Engine VM instance has caused by mysql not to shutdown correctly and thus the restart took much longer do to checks. Is there a way to initiate and wait for mysql service to shutdown for the VM maintenance/migration? Answer Think you are lo…
Switch to root user within bash script
Im currently logged in as admin and I want to edit the /etc/hosts file which required root access. I’m not able to make the changes. The script gets executed sucessfully but the changes arent made. My Script – Runs Sucessfully when executed from terminal sudo -s – switches to root without pa…
Ubuntu server can be accessed from two hostnames [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack …
Can’t change flutter android-sdk path
I’m setting up flutter in my laptop (Elementary OS), the case is I’m trying to be able develop flutter without Android Studio and using VSCode to make it lightweight, the step I did is installing flutter, download manually android-sdk, and move it to usr/lib/Android, install gradle, and openJDK8, …
Bash issue with floating point numbers in specific format
(Need in bash linux)I have a file with numbers like this Any way possible I can do these 3 steps? 1st I try this then then Final 1 line solution Answer Your “final” solution: should avoid the useless cat, and also move the backslash in the sed script to the correct place (and I added a ^ anchor an…
Options for getting logs in kubernetes pods
Have few developer logs in kubernetes pods, what is the best method to get the logs for the developers to see it. Any specific tools that we can use? I have the option of graylog, but not sure if that can be customized to get the developer logs into it. Answer The most basic method would be to simply use
replace numbers smaller than certain threshold with zero
I have a large data sheet (see below) in .csv format. I want to replace the numbers in each column and row with zero if it is smaller than a certain value, let’s say 0.1. Could anyone give me a hand? Thanks a lot. I guess it can be done with sed as in this example Answer Here is one