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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answer118
viewsWhy can’t I run the file located in the bin?
I need to use the file flare and flasm, which chown and permission are correct. Why can I execute only one and not the other? -rwxr-xr-x 1 daniela.morais sudo 64808 Mar 19 13:54 flare* -rwxr-xr-x 1…
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answers231
viewsGRUB does not appear on pc boot
The problem is this: I have 3 partitions: one for backup, one for Windows 10, and the other for Windows 8.1. As I liked W10, and wanted to install Ubuntu, I formatted the 8.1 partition and installed…
ubuntuasked 9 years, 10 months ago Kaleb Carvalho 21 -
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answer332
viewsConfigure Apache2 with PHP 5.6 to use Fuelphp
Well come on, I use Ubuntu, php5.6, apache2, mysql-server, FuelPHP. And for now I’m using the xampp that can run my applications correctly (however I have to start it always and it does not let me…
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answers1998
viewsInstallation of Android studio on Ubuntu
It is the first time I install android-studio, installed with the commands: sudo apt-add-repository ppa:paolorotolo/android-studio sudo apt-get update sudo apt-get install android-studio At first…
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answers8609
viewsRun a Shell Script with double click on Ubuntu
I have a program in Shell, it does the installation and configuration of some programs on Ubuntu, I wanted to know how to compile or make it run when the user double click on it, yesterday had found…
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answer752
viewsError loading mcrypt extension: Extension "mcrypt" must be Loaded
I’m trying to install the Gento locally but the same accuses; PHP Extension "mcrypt" must be Loaded. I already installed the curl and the gd but nothing I do to install mcrypt works, I’ve tried...…
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answer8204
viewsCannot execute Binary file: Exec format error
I’m trying to run a code on Linux and I’m getting this message: Cannot execute Binary file: Exec format error I did some research and this could be because of the structure of my pc, but from what I…
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answer465
viewsError installing apache2 on Ubuntu
I’m unable to install apache2 on Ubuntu. I tried this command: sudo apt-get install apache2 libapache2-mod-passenger But returns the following error at the end of the installation: Configurando…
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answers66
viewsHelp to configure Toyvpn Server Android
Hello, I have a problem and I’m already 3 days looking for a solution, I hope someone can help me. I’m trying to test the example of Android Toyvpn, but I’m not succeeding in server settings. The…
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answer2842
viewsUbuntu Cordova - Build with problem
Guys I’m going up Cordova on Ubuntu 64, but I’m having build problem. [Error: Failed to find 'ANDROID_HOME' environment variable. Try setting setting it manually. Failed to find 'android' command in…
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answer693
viewsUbuntu Linux server schedule delayed
I have a Linux server running Ubuntu 14.4, configured with the timezone America/Sao_Paulo. But the time he is picking up this 2 min late, it seems little thing, but as the system that runs on it…
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answer804
viewsHow to install PHP7 in *Unix
I decided to test a Unix-like system (Linux Mint) to learn more, and I need to install PHP7, because the Phptherightway sent. I already installed apache2 via Terminal and Mysql. I know there is a…
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answers463
viewsDisplay empty directories only with the ls command
Hello, I’m a beginner in Ubuntu and would like to know if there is any way to display only directories that contain subdirectories or files on the command line. If I just type ls, appear…
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answer5066
viewsFailed to connect to github.com port 443: Connection timed out
I’m trying to make a git push, or git pull, and back and forth triggers this error: fatal: unable to access 'https://github.com/tiagoferezin/meuRepositorio.git/': Failed to connect to github.com…
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answers34
viewsmkdir php TCPDF ERROR
I have an application that generates a pdf file and saves it in a specific directory. I followed the steps of the php manual(http://php.net/manual/en/function.mkdir.php) for use of this function.…
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answer173
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answers427
viewsApache Virtual Host without Servername
I want to set up an environment where I can place my production applications (site1) and type approval (site2). So on my Ubuntu server 15.10 I rode as follows: - /var/www/html/site1 -…
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answers131
viewsProblems with memory buffer pool doMysql
Hello, I have a machine EC2 in AWS radando Ubuntu server. It turns out that the MySql stopped working and does not come back anymore. The log error shows the following: 160919 21:20:21 [Note] Plugin…
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answers4477
viewsmake: g++: Command not found make: Error 127
I need to run a file that requires the command make. When I type this command the error occurs: make: g++: Command not found make: *** [clearlines] Error 127 I’ve already executed the commands: # cd…
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answer49
viewsPostgresql problem
After a power outage we restart the server in which the database is located and although we try to lift the bank manually the bank does not raise. The message that occurs is this below: FATAL: The…
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answers106
viewsQt project builds on Ubuntu but does not build on Windows
I have a project for college originally produced on the linux platform using Qt Creator and I need to migrate it to windows. I tried to compile but the project has errors in a single header file and…
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answer72
viewsTerminal: program not installed
After I uninstall some programs whenever I open the terminal appears the following message rbenv is not currently installed. You can install it by typing: sudo apt install rbenv How I remove this…
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answer839
viewsCron on Linux minute and day of the week
I would like a force with a Linux Cronjob. Follows: */1 * * * * wget http://192.168.6.80/sistema.php I would like to see this process run every minute, from Monday to Friday, from 18 to 06 o'clock…
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answer1049
viewsFailed to install . deb on Ubuntu
I downloaded a file. deb directly from the official website (Astah Community installer), and after the download was completed I double-clicked on the file. The screen of Ubuntu Software was opened…
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answers8830
viewsError: Failed to find 'ANDROID_HOME' Environment variable
I am beginner in mobile development and was studying IONIC, when I went to try to generate the test project apk gave the following error: WARN: Ionic.project has been renamed to Ionic.config.json,…
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answers94
viewsAutomating Ubuntu development environment startup - LEMP Stack + Laravel. How to schedule a break between blocks?
I am creating code to automate the startup of an Ubuntu development environment (LEMP STACK). Here I put Nginx Server + Mariadb + PHP7.0 + Laravel, ... , etc. The complete list with comments is…
ubuntuasked 8 years, 2 months ago zwitterion 2,876 -
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answer163
viewsapt - Apache2 package does not have "apache2.conf" file
I recently started using Ubuntu 16.04 I’m following this tutorial to install the LAMP. sudo apt-get install apache2 After encountering several errors, I realized that the package is coming without…
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answer994
viewsPDO sqlsrv is in phpinfo but does not work
I’m trying to access an SQL Server server from another Ubuntu server 16.04 using PHP, I did the entire installation process of the drive informed by Microsoft’s own website and phpinfo is shown the…
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answers58
viewsForce download with Header does not work in PHP
I use this code to force download, it works perfect when I run it on XAMPP, however it returns corrupted file when running on ubuntu, what can I do to fix? header('Content-Length: ' .…
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answers573
viewsHow do I change the language of Git to English on Linux?
I installed Git on my Ubuntu but it is in Portuguese. How can I change to English language?
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answers68
viewsUbuntu Server Cache with Nginx
I’m having a Cache problem on my Ngnix Server with Wordpress The site is currently using a PHP Webservice and SESSION, the Webservice brings me the user information and stored in the session, but…
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answers623
viewsapt-get install -y <program> What is the -y option for?
I don’t have much knowledge of linux and I got the following doubt when performing the installation of a new software on Ubuntu 16: What is the -y option for the apt-get package installer?…
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answer283
viewsDocker Ubuntu does not starta
Dear Friends I created a Ubuntu container: And then I started the container Note that above is no error, but the container does not run as shown below…
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answer1866
viewsHow to disable mysql password validation with Zoneminder: ERROR 1819 (HY000)
I loaded the password validation plugin in Mysql 5.7 on Ubuntu Server 16.04 to leave the system with more protection, but it seems that this plugin forces all passwords to comply with certain rules…
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answer220
viewsHow to execute commands from a Ubuntu executable in php?
run in Ubuntu the following line: needle alvo.txt modelo.txt when running it displays these lines: Needleman-Wunsch global alignment of two sequences I need to enter to go as default in this: Gap…
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answer1345
viewsWhere is Docker Store located on Ubuntu?
I’m studying Docker, so this question I’m asking is for a debutante. Images are the files that contain the configuration of the machine you want to create. Container is an instance of this image…
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answers47
viewsError rpy2.robjects in Ubuntu - Lookuperror: 'show' not found
I just can’t test python functions with R. In my notebook jupyter I did: !Pip install rpy2 And when having imported the robjects gives error: import rpy2.robjects as ro;
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answer108
viewsUndefined Reference to 'dlopen'
I’m trying to upload a file .so, but this title error is showing up. Can anyone help me? #include <iostream> #include <dlfcn.h> #include <stdio.h> using namespace std; int main() {…
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answer1020
viewsProblem to raise Apache server with XAMPP on Ubuntu 17.04
I am using XAMPP on Ubuntu 17.04 and I am facing a very annoying little problem to raise apache server. When entering the directory /opt/lampp and execute the command ./lampp start is returned the…
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answers83
viewsPDO returning error when no error
Randomly, I get the following error while upgrading my system: Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Cannot assign requested address By error, it can not connect to the server,…
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answer241
viewsHow to create png file for multiple charts using X11 in R?
I was able to plot and generate files (png) of the simple graphics, but in the case of several charts in the same window (as in the case of X11) I cannot save the file in the directory.…
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answer38
viewsHow to remove a user from the server?
I use an Ubuntu server and installed Git to share code remotely. I created a Git user with the command: $ sudo adduser git What command should I use to remove a user?…
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answers505
viewsRun Mysql command when starting the system
Other commands I managed to execute when Boot in the OS normally in these two ways: 1 - Creating a file .sh in the briefcase /etc/init.d/ and put the command inside. 2 - Placing at the end of the…
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answers216
viewsThe mbstring Extension is Missing. Please check your PHP Configuration - Ubuntu
Hello, I try to access my phpMyAdmin but error appears: The mbstring extension is missing. Please check your PHP configuration. Someone who knows how to fix it?
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answer1006
viewsHow to create a graph with two axes y with different scales in R?
I’m trying to plot a graph with 3 sets of data. " Precipitation" and "Evapotranspiration" have high values (from 5 to 580) so would use the same scale in Y (on the left side) for both plotted data…
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answers223
viewshow to connect VM with mysql on another VM with PHP/Apache?
Good evening, people. I am developing a php/mysql system to improve my knowledge in the area. Knowing this, I now need to simulate a server, doing the following steps: 1° Create three virtual…
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answer109
viewsWhen the container does not know the host name?
I created a container on Docker and it tries to access a host called pgmaster. On the machine where Docker is installed I added the sequinte host: 10.0.0.3 pgmaster in the /etc/hosts. So much so…
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answer76
viewsAdd via app command line in "Login Applications"
How do I add an app to "Initial Apps for Session" via terminal in the Ubuntu?
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answer227
viewsUse additional hard disk space Linux Ubuntu in main drive where apache is located
Good afternoon, you guys, Excuse the question I’m beginner in linux, I will explain my case. I have an instance of 4 Gb ram 80 ssd in google cloud Compute engine with Ubuntu. until then everything…
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answer96
viewsError using Opengl GTX GLM library
I’m trying to compile in linux Ubuntu a project that uses the quaternions for rotation of 3D objects of the glui library, when I compile the code the system accuses the following error : Code says…