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.
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answers212
viewsHow to change environment variable path $HOME to another?
The intention is to load with you all "created or downloaded" files, and reassemble it in any Livecd distro, leaving it as the default directory. Note that, the essential in this logic of reasoning…
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answers241
viewsHow to switch the #(fence) symbol by the $(dollar sign) in the terminal after switching user
I’ll be direct, because the title denotes part of my curiosity about the linux console. Explain In some distros like - xPud and Basiclinux3 no "HOME" support is only "ROOT" and ready! In the distro…
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answers61
viewsFIFO - Reestablish communication in C++
I have a main program written in C++. It fires children programs using vfork() and execl(). The communication between them works perfectly using FIFO (the father writes and the son reads). In the…
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answer881
viewsCreating new users through Shell Script
I’m trying to create a shell script to add new users to the GNU/Linux system But without entering native commands like adduser or useradd in the script, it would be something in the nail. I have…
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answers430
viewsInstall PHP 7 on the AWS EC2 Linux server
I am executing the following command: sudo apt-get install php5 libapache2-mod-php5 php5-mcrypt My intention is to install PHP, but this turning the error: >Lendo listas de pacotes... Pronto…
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answers2121
viewsAdd line at the end of the file with the sed command
I am configuring a virtual machine to install JDK 7, Tomcat 7, Jboss EAP 7 and Postgresql. Follow the project on Github for anyone interested: cresol-enviroment-Vagrant. I’m at the part where you…
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answers69
viewsReplicate changes on servers
Good afternoon, everyone. I work with Magento a system made in PHP. I have the same application on several servers with only the theme having difference. The problem is when I want to develop a…
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answer802
viewsHow to increase the Mongodb connection limit?
Good morning. I have an Ubuntu 16.04 LTS server, hosted on Linode. Last night I spent all night reading articles and testing settings to increase Mongodb’s connection capacity, but nothing worked.…
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answers537
viewsReplace files with sed
Hi, I have a problem I need to solve. I have a file that should be inserted exactly one column of another file, I’m trying as follows: cat $1 | cut -d ',' -f2 | tr "/" "-" | awk -F "-" '{print…
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answer67
viewsrestrict htaccess access
i have the following folder structure: I would like any external direct access done in helper and useful directory files to be forwarded to the index.html file that is at the root of the site. That…
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answer43
viewsSegmentation fault when switching system call the "int" to "syscall" in Assembly x86 linux
When I change the system call of int $0x80 for syscall or sysenter in this code: mov $4, %rax mov $1, %rbx mov $String1, %rcx mov $16, %rdx int $0x80 the program ends up in Segmentation fault. In…
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answers425
viewsAccent error in IDE editor - Linux
I’m having stress issues in the 'Netbeans' and 'Android Studio IDE’s'. My operating system is linux Elementary os [Elementary OS 0.4 Loki] Only id accentuation characters are not typed. This is not…
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answer131
viewsError installing Rails on Linux Mint
While running sudo Gem install Rails, I received this error message: Building native extensions. This could take a while... ERROR: Error installing rails: ERROR: Failed to build gem native…
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answers198
viewsyum Import: No module named cElementTree
I am trying to install a Microsoft server on my linux, but when trying to install yum started to present this error for all that is package yum install scm-server Plugins carregados: fastestmirror,…
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answer823
viewsI can’t start the oracle system
I’m trying to install Oracle on a linux machine to be accessed on Cobol. sqlplus is working, I can execute sql commands. While trying to start the Oracle System, I am getting the error: Message 1070…
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answers57
viewsProblem with Apache2 subdomain
I need to configure Debian Linux apache for my subdomain. I have already restarted the Apache server. The subdomain is configured to server IP type A record. Arquivo:…
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answer209
viewsDoubt with exercise in Shellscript
I would like some help to resolve these exercises: In the Ex4.1.sh script add the option to enter the word and file name directly from the command line this way: $ ./ex4.1.sh <palavra>…
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answers32
viewsIt is possible to import a lib . so x32 using an arm7l (Raspberry Pi 3b)
I was developing an application to run on a Raspberry pi 3 but while the mail didn’t deliver I started on the notebook (Linux Mint) and I didn’t have many problems. When I received the Raspberry I…
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answers105
viewsDatabase manager (Postgres - Linux)
Anyone knows a good FREE database manager for Postgres on linux? It used EMS SQL Manager for windows. However, it did not work for linux. I’m currently using Navicat, but the license expires in 14…
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answers158
viewsMy shell script does not list all user processes
Why doesn’t my code list all user processes? I made a script to delete a user’s processes, it’s exercise... Good basically made a whoami and adiquiri in a variable, after that made a ps -aux | egrep…
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answer436
viewsUbuntu terminal access a website every day
I am working with a Webservice (SOAP + XML) that requires access every day on a link, I want to automate this service on my Ubuntu Server, I thought of using Lynx along with Crontab to access the…
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answers35
viewsError in Grant script all
I have a little problem in a script that theoretically will give permission to a specific group in a postgresql database. Follows script: #!/bin/bash su postgres -l -c "psql -c 'grant all on…
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answer329
viewsMysql - Linux installation problems
Problems with installing Mysql on a linux. Every time I put the remote in the terminal: sudo apt-get install mysql-server Return this message to me: Reading package lists... Done Building dependency…
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answer626
viewsWhen accessing with specific user he give an ssh on another server
I have 2 servers: Example: A and B. What I need: when I connect to the server A with a specific user it automatically make a ssh on the server B, if possible already sending login and password…
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answer1315
views404 not found - phpmyadmin/Ubuntu
I am using Ubuntu and installed LAMP correctly. I open PHP applications on localhost quietly, but when I try to access the localhost/phpmyadmin he shows me a erro 404 Not Found. I’ve seen several…
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answers83
viewsHow can I display only the package names while being unpacked
The question that perhaps already have some answer, however I did not find. I’m kind of lost, I would say that a little confused even because what I’m asking I think I’ve done it in some…
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answer395
viewsLinux commands through Laravel
I’m creating some custom commands in Laravel as per the documentation: https://laravel.com/docs/5.4/artisan ex: php artisan gestao:config This command allows me to automatically configure some…
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answers116
viewsERROR - Cannot stat file /proc/32641/fd/338 - What is the utility of the proc directory?
ERROR - Cannot stat file /proc/32641/fd/338 - What utility of the proc directory for Fuser ? There is this explanation in some linux manual ? or in English ERROR - Can not stat file / proc / 32641 /…
linuxasked 7 years, 5 months ago Desenvolvedor Gloria 21 -
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answer67
viewsProgramming on Ubuntu, IDE with problem
Good afternoon, I am migrating to Ubuntu and looking for a good IDE with clean visual, here I find the "Builder" and when trying to use the program two errors are displayed but fortunately one…
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answer519
viewsRecord screen with ffmpeg
What is the command of ffmpeg that records the computer screen, because before it had a command via command line that made this recording without need of other software, only pure ffmpeg.
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answer399
viewsDocker is not running
Good night, you guys I installed the Docker and created some container, my computer crashed and after restarting it while trying to run the Docker command returns the message: Is Docker daemon…
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answers510
viewsMysql does not start on the server!
I am unable to start Mysql on the server console. Follows log of Mysql error below: /*************** /var/log/mysql/error.log ***************/ 170525 10:50:35 [Warning] Using Unique option prefix…
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answers133
viewsSonar-Runner does not use files
I installed the local sonar in my Ubuntu and I’m trying to raise some figures for it. I set up the sonar-project properties. as follows: sonar.projectKey=your:project-key sonar.projectName=Project…
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answers36
viewsRemoval of string in script
To edit this file and remove any incidence of [[*m as I edit sed? The incidences are marked in bold. sed’s/ [[*m//g' file The backup routine is still running on the server! The backup process began…
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answer1079
viewsCompare integer and pointer
Well, I have a question, I’m trying to copy a line to a file but there’s an error that says I can’t compare an integer to a Pointer, can anyone help me? The error is on the line ch = getc(file1);…
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answers68
viewsShell: download and unpack in a row
I tried to use wget with tar as follows wget -qO- [url] | tar xvf but I can’t get the expected effect. There are other ways to do this?
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answer95
viewsInstallation Codeblocks Centos
I’m a beginner in programming, I only did one course in college. I would like to install Codeblocks on Centos 7 (on a college machine) to edit a C program, but I’m having a hard time. I downloaded…
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answer380
viewsRedirect HTTPS to HTTP on Centos
I have a domain that no longer has his ssl certificate, the domain is pointing to a Centos 6 server. Every time someone tries to access it using HTTPS it will show in the browser that that domain is…
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answer135
viewsDRUPAL: Difficulty Backup and restore
I am new to using CMS Drupal and am having a hard time regarding backup restore. I created a new server to restore the backup I do manually (dump from Postgres and copy from the directory inside…
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answers303
viewsInstallation of Mongodb in Debian
I am trying to run Mongodb on Debian Jessie and apparently install everything correctly, but when I run it gives errors as indicated below. I don’t know if it’s relevant either, but following the…
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answer228
viewsIs there a root user in PHP?
The function chroot() needs super user to work, there is a function that login as root?
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answers37
viewsI bought a website but I don’t know how to install it. [Nginx, Laravel, linux]
the site is Laravel Nginx, if it were apache I would even know. that is written, but does not say the commands I have to give in vps to install this and tals:…
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answer379
viewsIs it possible to use pyad (active directory module) on linux?
If it is possible to use this module on linux, would you like to know how to install it? tried with "Pip install pyad", but I get the message below: Could not find a version that satisfies the…
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answer937
viewsCrontab does not execute script
I’m trying to run a script by crontab of centos, I’m doing so: crontab -e then put: */1 * * * * root /home/websites/public_html/admin/functions/open.sh Obs: Before doing this, add permissions to the…
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answer128
viewsI cannot uninstall duplicate Node on virtual machine
I am programming in Codeanywhere and I have a virtual machine with Linux, where I installed the latest version of Node and NPM, but when I start the server, this version error appears, and there…
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answer39
viewsConfiguration of programs continue even after they have been uninstalled
I’m new to Linux and noticed that some program settings continue even after they have been uninstalled. I’ll explain. For example: I installed Cairo Dock. So to uninstall I used the command: sudo…
linuxasked 7 years, 3 months ago user24136 -
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answers685
viewsGit does not push to the master branch
I was using . git normally in my project, yesterday I typed something wrong and git started sending me an alert from the corrupted index file. Okay, I did a git reset, I came back a commit and…
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answer243
viewsError in Linux Cinnamon
I installed 03 weeks ago Linux Cinnamon 18.2 (Sonya), but today appeared a warning saying that an error occurred and that Cinnamon would be restarted. After that, due to conscience awakening, I…
linuxasked 7 years, 3 months ago user24136 -
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answers227
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