Most voted "linux" questions
For SOFTWARE DEVELOPMENT issues that are specific to the GNU/Linux operating system. Mere use of shell and desktop, installation and support are not within the scope of the site. If your question is not about development or development but has nothing to do with Linux Apis or Linux-specific behavior you should not use this tag, even if you are running on Linux.
Learn more…1,005 questions
Sort by count of
-
-1
votes2
answers626
viewsInstall Docker in Mint
I’m trying to install Docker on my Linux Mint 19 64-bit Cinamon laptop using this tutorial Only when you reach that line https://docs.docker.com/install/linux/docker-ce/ubuntu/ 1. I have the…
-
-1
votes1
answer274
viewsHow can I create a server for hosting websites?
Hello, I’m studying web programming and I ended up having an idea to repurpose an old computer that is sitting here at home. Doing some searches on servers, I found that the best option for me is…
-
-1
votes1
answer461
viewsCreate a user on linux and restrict it to folder and subfolders
Hello, I was wondering if it is possible to create a user on linux and leave it in a folder, and can not go back to a level above can only access the subfolders inside that folder. /folder/user/Luiz…
-
-1
votes1
answer45
viewsC Sharp with linux
I have already installed my Tom on my linux I would like to know how to compile my code in C Sharp ?
-
-1
votes2
answers538
viewsCodeblocks compiles (linux operating system Mint) but does not show on screen
People installed Codeblocks on Linux Mint and so it opens perfectly you make the program it compiles beauty (If you have errors it shows), however, it does not open the interactive screen (sorry for…
-
-1
votes1
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,…
-
-1
votes1
answer116
views"Segmentation fault" error while running C program on linux shell
I have the following program in C language: #include <stdio.h> #include <string.h> #include <stdlib.h> int main (int argc, char *argv[]){ FILE *p; char str[30], frase[]="Nome do…
-
-1
votes1
answer369
viewsPython stopped working, but I think it’s something in the code
I’ve asked a question before about this project... But anyway, I worked on it and added the Menu class, which is a daughter class of the Windows class. Follow the source of the main.py code file.:…
-
-1
votes1
answer245
viewsLinux as Removing Duplicate Lines
Which Linux terminal command to remove duplicate lines of a.txt file?
linuxasked 4 years, 9 months ago Edvilso ACCO 13 -
-1
votes1
answer189
viewsUpdate Python 3x
I have version 3.7.3 of Python (for studies only) in my Raspbian Buster and would like to update it to the latest version (3.8.3). I’ve tried to use sudo apt update and sudo apt upgrade but the…
-
-1
votes1
answer40
viewsHow can I find out, using the C language, which graphical environment is installed on Linux?
How can I find out which graphical environment is installed? Example: KDE, GNOME, XFCE or LXDE?
-
-1
votes1
answer1572
viewsGradle error starting React Native project
Guys, I’m having trouble starting an React Native project while running the command npx react-native run-android. The mistake is: info Running jetifier to migrate libraries to AndroidX. You can…
-
-1
votes3
answers129
viewsCatch internal IP via Python (Router)
I’m a long time doing research on this, and I wanted to know how to get the local ip (obviously) of my router in python in a Linux environment, I searched it in Google several times and always came…
-
-1
votes1
answer236
viewsError installing React Native on linux Mint
I try to install React Enable from the terminal but only error appears: npm install -g react-native-cli npm ERR! Linux 5.0.0-32-generic npm ERR! argv "/usr/bin/node" "/usr/bin/npm" "install" "-g"…
-
-1
votes1
answer89
viewsProblem with Phpmailer sending emails
I am having problems in a project that uses Phpmailer, the same worked normally, but now is giving problem of Connection Timeout on the site, however when I run the script via terminal the same…
-
-1
votes1
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…
-
-1
votes1
answer37
viewsMy user does not handle files generated in PHP
Hello, I’m having a problem with permissions I don’t understand why my user doesn’t have permissions on files created by "php" Come on my user foo belongs to the following groups: adm cdrom sudo dip…
-
-1
votes1
answer38
viewsDoubt about the type of permission when creating folder and file with. mkdir() and.openfile()
People, at a certain point in my code I am creating a folder (1) in which will be archived photos posted by users and a CSV file (2) in which will be archived the metadata of these images. I’m…
-
-1
votes1
answer37
viewsPostgresql installation error in Mint 19
I am trying to perform the installation of posgresql on Mint 19 when I received a dependency error, making some searches discover that I could try the command dpkg --configure -a, but I received the…
-
-1
votes1
answer15
viewsPhpstorn in Flatpak Fedora 34, does not recognize the htdocs directory of Xampp
I installed Fedora 34 recentemete and next to the IDE, Phpstorn via Flatpak packages. The IDE opens normally, but it cannot access Xammp htdocs from the /opt/lammp/htdocs folder. But the /opt folder…
-
-1
votes2
answers29
viewsError compiling R 4.1 package on Debian-based linux
I am trying to install/compile R-project software, I haven’t been succeeding. Debian-based linux distro. Follow the steps I’ve taken: 1- I downloaded the package R-4.1.1.tar. gz on the link:…
-
-1
votes0
answers22
viewsHow to open a repositiorio of an organization in Xubuntu?
I am trying to download a repository that is in an organization that I am part of, so I downloaded the Github Desktop Linux version, in addition to git (both are updated). However, when I access…
-
-1
votes0
answers17
viewsPHP connection to ORACLE 12C database
I’m trying to make the connection to an ORACLE 12C database for some information query. My application runs on PHP 5.4 Debian Linux server. I tried various types of connections I found, but always…
-
-2
votes1
answer1994
viewsProblem with multimonitor system on Linux - Set Main Screen
My system has two monitors so that the main one is in the "middle" (or right) and the secondary one on the left. The problem is that it seems that Linux always takes the one on the left to be the…
-
-2
votes1
answer105
viewsFile does not open or is not recognized on the Fedora Linux localhost?
On the terminal screen, permissions are correct: But on my localhost, the page is opening with error: But on the IDE screen, it’s there too, see: The question is, how do I make my localhost…
-
-2
votes1
answer4992
viewsWhat is eth0, wlan0, wlo1?
I always see on Linux, when I type the command ifconfig, a names of type eth0, eno1, lo, wlan1, wlo1. What they mean?
-
-2
votes1
answer510
viewsHow to upload a file using lftp?
How can I send a file from my local machine to the remote server using lftp?
-
-2
votes1
answer2747
viewsFreeing external access to a particular port through Iptables
I currently have two network card on my Ubuntu 16.04 server, configured as follows in the file interfaces: auto lo eno1 enp2s0 iface lo inet loopback #Rede Externa que vai para antena de Internet…
-
-2
votes1
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.…
-
-2
votes1
answer31
viewsDirect output of a program to 2 places
I know that on Linux or Windows I can redirect the message of a program to be saved in a file instead of being shown at the end of the command >: ./a.out > arqSaida.txt Or still write at the…
-
-2
votes1
answer1116
viewsWorking with time in pandas and python
I have a dataFrame in which two columns are of the type datetime.time and I need to subtract one from the other and get the value in minutes. To turn into datetime.time did so:…
-
-2
votes1
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…
-
-2
votes1
answer152
viewsHow to program C# on Linux using Glade?
Good evening guys. I’m starting Linux using the Mint version. I discovered the Glade app, which programs graphical interfaces. I’ve figured out how to interface but I’d like to know how to use C# on…
-
-2
votes1
answer48
viewsProblems with Nodejs on Linux
I have a problem, I’ve tried several ways and nothing. I’m taking a JS course, and in one of the classes the teacher used the Math library... only my result is always Nan. So researching I found…
-
-2
votes2
answers260
viewsLog-in to mysql only with sudo
When I’m at the linux terminal, on my machine and give the command : mysql -u root -p The linux terminal presents : ERROR 1698 (28000): Access denied for user 'root'@'localhost' With sudo before the…
-
-2
votes1
answer80
viewspython does not have a mysql library.Nector in Xubuntu
I tried several things to install this blessed library, my project is for next Tuesday(02/11/2002) and unfortunately I could not install in Xubuntu... sudo pip3 mysql.connector I need this library,…
-
-2
votes1
answer97
viewsHow to generate an iso of the current version of my Ubuntu 18.04?
What is the best solution to generate a simple ISO image (preferably command line) in the last LTS version of Ubuntu (18.04) that is installed on my computer. My goal is to have a version that I can…
-
-2
votes1
answer96
viewsPython update on Debian
My machine runs Debian 9 and wanted to upgrade Python to the latest version without modifying the Debian version. It is possible to do this through some official repository or I will have to install…
-
-2
votes1
answer98
viewsVirtual Box does not connect on the internet, nor shows network icon at the bottom corner
I’m trying to use Windows XP by virtual box on Ubuntu, but when I open windows it does not connect on the internet. And does not show the network icon in the bottom right corner as shown. I’ve tried…
linuxasked 4 years, 3 months ago Gabriel Borges 15 -
-2
votes1
answer117
viewsReset Git credentials from the Linux terminal
I previously used another Git user on my personal computer. I edited the config user with the new user name and email, but when I press git push it occurs to me: remote: permissão para…
-
-2
votes0
answers6
viewsReinstall libstdc++6
For some reason, sometimes, in linux, when I install something, an error is shown, saying that my libstdc is "broken" and I don’t know how to fix, I’m a new linux user, I downloaded the system…
-
-2
votes1
answer379
viewsError trying to install packages on Linux using Pip command [Linux]
I cannot install packages using Pip on linux, this is the error screen: Collecting pygame Using cached pygame-1.9.6.tar.gz (3.2 MB) ERROR: Command errored out with exit status 1: command:…
-
-2
votes1
answer54
viewsLinux Shell Script - Doubt about variable scope
Num script shell, I want to make an array containing the files of a certain folder. I tried so: declare -a array_arquivos i=0 ls -1 /caminho/minha_pasta | while read file; do…
-
-2
votes1
answer39
viewsVirtualenv python between Win/Linux machines
I got a problem, somebody’s been through it ? I have a Python/Django project on a linux pc, and this project is in a repository on github. Dei git clone in this repositorio on another windows pc, so…
-
-3
votes1
answer95
viewsIs it possible to install Android without editing the manufacturer?
Hello, If in a hypothetical situation, I have how to change the boot of my phone, can I install raw Android? Like, I know manufacturers change it before they install it, but without this edition it…
-
-3
votes1
answer88
viewsCompiz build error in Slackware 14.2 64 bit with multlib
I am trying to compile Compiz within Slackware 14.2 64 bits with multlib enabled. And the compiler returns the following error: 3800/7907MB 0.13 0.06 0.08 1/527 9098slackware root…
-
-3
votes1
answer71
viewsKnow server storage capacity
I would like to know which of this information represents the storage capacity of my server?…
-
-3
votes1
answer157
viewscould not open terminal for stdout
I am having a problem with Gradle when executing any command is returned to me the following error message: * What went wrong: Could not open terminal for stdout: could not get termcap entry Preview…
-
-3
votes1
answer2234
viewsHow to change the website folder in Apache2?
I need help setting up the LAMP. Everything is working perfectly. The things I’d like to change are mere whims, but I still find it interesting. I would like to change the root directory. In case it…
-
-3
votes1
answer55
viewsJenkins with Spring Boot = Exceptioniitializererror
I have an application developed with spring-boot. If I manually call the jar generated via Maven by the java -jar command, the application starts normally, and we can use it here. However, to…