namespace "Eigen" has no member "Vector3f" ERROR
I'm using UTM on a MacBook to run a virtual machine to learn about computer graphics.As I'm new to cpp and , I got this error when including it and fixed it by#include <eigen3/Eigen/Eigen>but...
View ArticleDocker on Ubuntu Server noob
I'm trying to learn Docker on Azure. I'm using a book called Microservices with Docker on Microsoft Azure. I seem to be stuck on Chapter 2 where we create a simple index.html page in the /host/src...
View ArticleI have recently reinstalled ubuntu 20.04 and this time it is taking a lot of...
I have recently reinstalled Ubuntu 20.04 and this time it is taking a lot of time to boot up, even after I login it shows black screen for at-least 4-5 seconds and then loads the desktop. The issue is...
View Articleyum install openssl-devel error
On Fedora, yum install openssl-devel gives me the following error. Package: 1:openssl-1.0.1e-30.fc20.x86_64 (@anaconda) Requires: openssl-libs(x86-64) = 1:1.0.1e-30.fc20 Removing:...
View ArticleThe Program session is not created after the server is started
Server on ubuntu 20.04. Nginx + uWSGI + Flask + Pyrogramm bundle.There was a problem with the exchange of information from telegrams.A couple of days ago, any messages in telegram chats stopped going...
View ArticleDocker flask application environment variables
I'm starting a docker container the following way:docker run -e IP_AD=192.168.99.100 -p 80:80 flask_appI'm simply trying to pass an IP Address to the flask application so that something can be loaded...
View ArticleWhere can I see the changes made to the ubuntu image towards docker?
For example, /etc/apt/apt.conf.d/docker-clean has been added.Where can I find out what other changes have been made?
View Articlestarting R exit with status code 1 and no output
I have just reinstalled R after ubuntu upgrade to 23.10 and when I try to run R from CLI, it is not starting. It just exit without any output. R --version works though.I have tried both R version from...
View ArticleUnresponsive .NET Kestrel on Ubuntu 20
I'm trying to run .NET on Ubuntu, with the following appsettings.json:{"Logging": {"LogLevel": {"Default": "Information","Microsoft.AspNetCore": "Warning" } },"AllowedHosts": "*","ConnectionStrings":...
View ArticleI configured ssh in my cmd, but it doesn't work in wsl ubuntu. How to connect...
Even though my ssh key works in cmd/powershell, after installing wls/ubuntu, it doesn't do git push to my remote repository on github. Will I need to set up a new ssh key?I even tried creating a new...
View ArticleHow can I run different commands in separate terminals using a shell script?...
I have access to an Azure VM where I intend to run threeHyperledger Besu nodes: one boot node and two validator nodes. To automate this setup, I've created a shell script.First, I checked the terminal...
View ArticleCannot read image using cv2.imread()
I am trying to read an image and show it using OpenCV in Ubuntu, But for some reason it doesn't works. The file I am reading is placed in the same directory where the code resides but still it doesn't...
View ArticleModuleNotFoundError: No module named 'apt_pkg' installing deadsnakes repository
I want to install Python 3.10 on Ubuntu 18.04 (I'm currently on Python 3.8) from the deadsnakes repository with the following set of commands I found on the internet:sudo add-apt-repository...
View ArticleLinux command to move a directory into another directory
I have a directory dir1 and it contains a lot of files and directories and also I have another directory dir2 and it is empty. And I need a linux command to move the dir1 with all the files and folders...
View ArticleDioException [bad response]: This exception was thrown because the response...
I am using flutter linux app to run some APIs that I wrote them with fast api running localling on my ubuntu machiene.APIs are working well when test them with postman but I am getting 307 error when...
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Access denied for user 'root'@'localhost' in dbeaver
When I do a test connection in DBeaver in Ubuntu 18.04, I get an error:Access denied for user 'root'@'localhost'I do not understand how to solve this. I can connect to mysql in terminal by sudo mysql.I...
View ArticleHow to install latest version of bison on ubuntu?
I installed GNU bison on my ubuntu system, however the version given by apt is 3.5 (Even after running sudo apt-get update).How do I install bison 3.8 on Ubuntu (WSL)?I need to use GNU bison 3.8 for my...
View ArticleValheim Dedicated Server with docker does not refres config file?
I setup a Valheim dedicated server on Ubuntu server in a container with docker.I used this tutorial for it: LINKIt has a .sh file that creats the container#! /bin/shdocker run -d \ --name...
View Articlejava.awt.HeadlessException on Ubuntu No X11 DISPLAY variable was set [duplicate]
I can't get a Java GUI to run on my Linux machine:Exception in thread "main" java.awt.HeadlessException: No X11 DISPLAY variable was set,or no headful library support was found,but this program...
View ArticleHow can I install Python 3.9 on a Linux Ubuntu terminal?
I tried apt install python 3.9 and it replied:Reading package lists... DoneBuilding dependency treeReading state information... DoneE: Unable to locate package python3.9E: Couldn't find any package by...
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