Most voted "ubuntu" questions
Ubuntu is a free operating system, used on desktops and servers, based on Debian GNU/Linux. Remember that http://askubuntu.com is dedicated specifically to Ubuntu issues (in English). Here the tag should only be used for PROGRAMMING QUESTIONS that are specific to Ubuntu. Desktop and shell usage issues are not within the scope of the site.
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viewsProblem: Python 3.8 in Visual Studio Code in terminal Does not accept Accents, How to Resolve ? Linux Ubuntu 20.4
I’m with this problem, I tried to change the settings in visual Studio Code and nothing, I did not find anything on the internet about it, outside the terminal the Apare accent normally now in the…
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answer103
viewsProblem when creating Symfony project
I have a problem to start a project, always appears the error: henrique@henrique-Lenovo-ideapad-330-15IKB:~/Documents$ composer create-project symfony/skeleton symfony Installing symfony/Skeleton…
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answers337
viewsHow to force HTTP redirect to HTTPS on NGINX
I’m deploying an app made with nuxt.js. For hosting, I’m using the Digital Ocean + Server Pilot. I’m having trouble forcing the redirect of HTTP for HTTPS. Below is the configuration Nginx that I’m…
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viewsAllow external connection to the database
Guys I have a problem accessing a database that is in a Virtual Machine. I have a machine A that has an application Laravel all configured and the project installed, and has another machine B where…
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answers40
viewsAPI in . NET Core - api does not find connection string from appsettings.json
I did all the development on a windows machine but after almost a week I was able to deploy on a Ubuntu 18.04 machine and set the settings to access via https. But now I came across the following…
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answer42
viewsWhy user is created but password does not work?
Good afternoon guys I am building a script to create user and password on linux (Ubuntu 16.04LTS). The problem is that after running my script the user is created but I can’t log in with the…
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answer213
viewsError installing . NET Core on Linux Mint
When trying to install . NET Core on Linux Mint using Snap command sudo snap install dotnet-sdk --classic, at the end of the package installation, it is displayed: "dotnet-sdk 3.1.401 from Microsoft…
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answers492
viewsCompatibility problem when installing Mysql 5.7 on Ubuntu 20.04
I would like, please, your help. I’m trying to install mysql 5.7 on Ubuntu 20.04, following this tutorial from Fosstechnix (https://www.fosstechnix.com/how-to-install-mysql-5-7-on-ubuntu-20-04-lts/)…
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viewsStore tokens in dynamic C array
I am developing a console application that works as a shell (using processes to process commands sent via stdin). Entering the command to process with fgets(command, 1024, stdin) saves the whole…
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viewsDoubt MATLAB code for Opencv C++
Good evening, everyone! I would like some help in relation to passing a code that is in Matlab to opencv c++. I’m trying to do some operations with rgb channels, but Thresh’s value is not the same -…
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viewsGPG error when adding SQL SERVER key
Good morning, I am installing SQL SERVER on Linux Ubuntu 18.04, as per the tutorial https://docs.microsoft.com/pt-br/sql/linux/quickstart-install-connect-ubuntu?view=sql-server-ver15, but when…
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viewsEntityframework Core 5 does not connect to SQL Server 2008
I installed dotnet core 5 on Ubuntu 21.04. I created a webapi project with VS Code and managed to run everything smoothly. I installed EF5 to the project and am trying to connect to SQL Server 2008…
sql-server linux ubuntu .net-core entity-framework-5asked 3 years, 6 months ago Joandreiy Cordeiro 381 -
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viewsHow to create a symbol between directories in deploy PHP with Deployer?
I was creating an application in Laravel, and I’m using the Deployer. This is the folder configuration file that will be the releases folder ( which are the versions of the project ) and the Current…
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answer35
viewsProblem with python modules
I’m trying to run a simple condition that consists of a requisition. Only every time I try to run it on my Ubuntu 20 it returns the following error File "autobump.py", line 1, in <module>…
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answer79
viewsFTP alias of /home for /www
Long live, I created in Ubuntu all the necessary configuration to access by FTP, but at a certain point I found a problem: I have restricted so that each user can only access their /home/$USER…
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answer3825
viewsFix permissions on the linux root
I made a mistake here on my linux, I ran it: sudo chown -Rf www-data.www-data /* And I gave one ctrl+c after four seconds... because I saw the mistake I had made. That’s supposed to be it: sudo…
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answer220
viewscannot connect with mysql on the web server
You are showing the following error: Fatal error: Uncaught Exception 'Pdoexception' with message 'SQLSTATE[HY000] [2003] Can’t connect to Mysql server on 'Ipservidorweb' (111)' in…
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answers541
viewsShell Script Filter and Execution
I have a problem in Shell Script, where: You need to report a file; Check if it’s a file .C, .JAVA or neither of; If you are either, compile as chosen and run; (I don’t know much about Shell)…
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answer67
viewsUbuntu error: NO_PUBKEY 8BAF9A6F
My Ubuntu started giving the following error: W: GPG error: http://ppa.launchpad.net Trusty Inrelease: The following Signatures couldn’t be verified because the public key is not available:…
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answer529
viewsInstallation webstorm in Ubuntu
I can not install the webstorm in Ubuntu, already downloaded on the site and etc but I can not install, someone knows how to install via terminal?
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answer1379
viewsProblem trying to open port on a linux server
Hello, I’m having a problem trying to open a port on my Ubuntu linux VPS. I’m looking to create an ftp server, but I can’t open port 21. The support staff said that all the doors are already open by…
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answer1340
viewsError while starting Apache
How do I solve this kind of mistake? -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- A unidade apache2.service está sendo iniciada. Out 28 13:41:53 fabiano-ubuntu…
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answer4774
viewssudo subl - how to open sublime 3 by terminal on Ubuntu?
I performed the installation of Sublime Text 3 on Ubuntu 17.10. I can open the Sublime using the command subl in the terminal. However it does not work to open as sudo, when using the command…
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answer930
viewsProblems Installing Java 7 on Ubuntu
Hello! I am trying to install Java 7 on Ubuntu. I used the following commands: ~$ sudo apt-add-repository ppa:webupd8team/java ~$ sudo apt-get update But at that moment returns the following…
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answer519
viewsWhat is the correct way to install LAMPP?
I started using Linux (Ubuntu 18.04) recently and have come across many difficulties. So, I tried a few times to install the lampp stack on Ubuntu and I was unable to succeed. There was always some…
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answer70
viewsVirtualhost AWS Ubuntu
Hello big linux ninjas. I’m working on the AWS ec2 Ubuntu, and I need to create a subdomain. I saw some tutorials but none worked. I created a file on: /etc/apache2/sites-available/ called…
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answer115
viewsHow to list in Windows Explorer the www directory of Linux/Ubuntu that runs on the Windows Subsystem for Linux (WSL) of Windows 10?
I need to list the files that are on var/www Ubuntu that runs on WSL, so you can make a file copy. How to view them by Windows Explorer so that an application running on Windows will copy such a…
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answer137
viewsHow to run this script in a more sophisticated way?
Good morning. I am using this code to update the firmware of my company’s servers. However, I wanted to use this same code to update a list of servers, not just one. Follow the original code:…
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answer156
viewsProblems installing broken phpMyAdmin - dbconfig-*
I have a problem trying to install phpMyAdmin on my Ubuntu Server 16.04. I installed Mysql normally, but when I install PMA, the following error occurs in the dependent packages dbconfig-common,…
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answer48
viewsChange global branch to main in Ubuntu 20
How do I permanently (globally) change the git branch from "master" to "main" in Ubuntu 20?
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viewsI installed Mysql Workbench in Ubuntu but I click on the local server it gives this message of the figure below. In the terminal I can see the database
Guys I’m having a problem with my Ubuntu in the database. Someone to help me ? I installed Mysql Workbench but I click on the local server it gives this message of the figure below. However in the…
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answer625
viewsHow to install java 8 on Ubuntu 19.04?
First of all, I know it seems a rather silly question, but I am a Windows "user", I have the dual boot on my machine.I really admire Unix, and I intend to migrate to it for good. I was using Ubuntu…
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answer231
viewsGunicorn is not working as it is giving the following error gunicorn.service: Failed with result 'Exit-code'. error
Good night, I made an attempt to deploy my site in Django language, but without success. The errors that came to me after are presented below. I appreciate all the help, because I’ve done a lot of…
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answer43
viewsNgix with multiple angular designs
Hello, I’m starting now to use the NGINX and I’ve already had a problem! I am using an ubundo server to run 3 angular frontends, and then I am using NGINX to resect these projects The setup I’m…
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answer103
viewsBuildozer failed to execute last command - Kivy
Hi, I’m trying to create an apk with buildozer,but it’s giving an error, I need help to understand it and solve. I use Xubuntu and have updated absolutely everything. Remote: buildozer android debug…
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answer716
viewsApache does not read subfolders or other files
Recently, I formatted my computer and installed Ubuntu 14.04 and as always, I changed the apache root Document to: /home/user/Workspace/web. Inside this folder I cloned a project of mine made in…
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answer757
viewsHow to change the display of the username on the Ubuntu terminal
How can I change my username display on the terminal ? With this very large text, ends up disturbing.…
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answer1290
viewsPycharm build error: can’t find python libraries 3.6
Operating System: Ubuntu 16.04 64 bits Python 3.6 installed via apt-get When compiling a program in the terminal using: python3.6 programa.py No error is presented. When running the same program…
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answer66
viewsHow to create a message in Zenity for all users logged in to Ubuntu?
Use a script that is run by cron every 1 hour that has the purpose of fetching updates and updating the system. He wanted the user to be warned that he started the update so that he did not turn off…
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answer76
viewsHow to create a script on Ubuntu
I need to make a script to run the command below on the terminal several times: opencv_createsamples -img toras/toras_00001.jpg -bg negativas/negativas.txt -info positivas1/positivas1.txt -maxxangle…
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answers473
viewsPhpmyadmin problem in login
I changed my pass from phpmyadmin and unintentionally added a space at the end. Now I can’t get into the phpmyadmin. Is there any special character to represent the space?…
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answer73
viewsTwo python versions on Ubuntu
I think there is something wrong with my pc. It shows that both python 3.5.2 and 2.7.12 are default. How to fix this? And I tried to update the version of Ubuntu from 16.04 to 18.04 and I appeared…
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answer36
viewsBash - current date and calendar with "if Else"
#!/bin/bash echo "1 - calendario" echo "2 - data" echo "opção: " read var if [$var -eq 1]; then calendario=$(cal) echo $calendario elif [$var -eq 2]; then now=$(date) echo $now else echo "opção…
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viewsSamba stopped starting
I have a Samba system that was running normally, but now is presenting problems, not start. When rotating: sudo systemctl status samba-ad-dc.service Displays the following error:…
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answer130
viewspsqlodbc. h:54:23: fatal error: iodbcinst. h: No such file or directory
Error installing postgresql ODBC in Ubuntu 64 How should I proceed ?…
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answer626
viewsHow to resolve Ubuntu 16.04 bug with Qualcomm Atheros network card
Article: Some steps to be taken: Perform the configuration: echo "options ath10k_core skip_otp=y" | sudo tee /etc/modprobe.d/ath10k_core.conf Download the repository and copy the drivers git clone…
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answer180
viewsI used the "chmod 700 /usr" command, and now what?
I no longer have access to my documents and I can’t enter as root to undo this nonsense. I use Ubuntu 18.04.
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viewsHow to install nodejs and npm in Ubuntu 20.4 lts using wls2?
I am using Ubuntu 20.4 lts in wsl2 , I installed the nodejs and now my terminal is like this ? c/Users/Diogo Malfatti via v14.17.5 that’s normal ?
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answer44
viewsEmulator of android studio closing alone
beauty? Recently, I migrated to Kubuntu and tried to install Android Studio so I could emulate my apps. I followed this tutorial and I was able to install the AS successfully. However, when I try to…
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answer63
viewsam as root and Els says I am not (Ubuntu 14.04)
After the installation of ELS (easy linux secutiry) when I will give the following commands: els --update; els --chkrootkit; els --rkhunter; els --chmodfiles; els --disabletelnet; els…
ubuntuasked 8 years, 9 months ago Daniel Fortunato 7