Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 1 year ago. Improve this question I have file test.txt contains some variables assigned to some value, i need…
Tag: linux
sudo yum install is giving weird error on AWS Linux ec2 (SyntaxError: invalid syntax)
Machine details: Cloud: AWS OS: Linux ip-10-196-64-140.eu-west-1.compute.internal 4.14.209-160.335.amzn2.x86_64 #1 SMP Wed Dec 2 23:31:46 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux Error details: Answer I tried to reproduce the issue, and it fails when you run yum with python3 instead of python2: You should use …
grep to read exact data from text file
I have file test1.txt file, i am trying to read variable which is enclosed in double quotes and starting with hyphen for eg: “-color”. i trying to use this grep command cat test1.txt | grep getParm | sed ‘s/getParm(/ /;s/&/ /;s/,/ /;s/”/ /g’ | awk ‘{print $3}’ , w…
Linux bash script: How can I detect an error on a RESTORE DATABASE query on msssql-server?
Syncing a windows app with a linux website, I use a bash script which transfers each day a MS-SQL database from a Windows machine to a Linux installation, and uploads it to the mssql-server with the code below: Most of the times this line works perfectly. But there are instances in which restoration fails wit…
LightDM Webkit2 images issue
I am working on my hobby project for creating a theme for lightdm webkit2. I have choosen react framework since I am very comfortable with it. Here is the repo link https://github.com/gitneeraj/reactive/tree/feature/dist (checkout branch feature/dist). With some adjustments(mentioned below), I can get to see …
How to switch from docker.io to quay.io?
I need help how to switch from image registry server from docker.io to quay.io. My cases is I pull centos image from hub.docker.com and I want to push it to quay.io. I have login to my quay.io but when I try to push to quay like this shell that was not working. Here are my step to switch to quay.io:
How to show gcc compiler warnings in VSCode terminal of a .c file
I have the C/C++ ms-vscode.cpptools extension installed (and the Code Runner). This is my task.json Note the -Wall option in the args part. When I compile and run the code the warnings don’t show up in my terminal, the errors only. Am I missing something? Answer Solved it was the configuration of code r…
why module_param_hw( ) macro is more secure than module_param( )?
I’m starting to learn kernel modules programming. To pass any parameter to the kernel module you use module_param( ) macro which i guess work something like dynamic linking method in user space (deffer symbols relocation to run time by kernel modules loader) you can correct me if I’m wrong. Anyway…
Ubuntu error — cannot import name ‘gcd’ from ‘fractions’
I’m using Ubuntu to learn basic bioinformatics. I just downloaded multiqc using conda, but when I want to run multiqc, it returns: enter image description here I am very naive and don’t know how to solve this problem. ANY help would be highly appreciated. Thanks Answer I think gcd was moved to the…
How to use OpenSSL command line to operate(signature, for example) after loading OpenSSL engine?
I wrote a self-defined OpenSSL engine and engine tester in ubuntu 20.4. And the OpenSSL version is 1.1.1. The goal is to use engine in TLS session, and the first step is to use command line to sign a digest. The reference website is: https://wiki.openssl.org/index.php/Creating_an_OpenSSL_Engine_to_use_indigen…