Questions tagged as 'linux'

Tagged questions
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Run a program with mpi

I'll tell you my problem. I'm trying to run a program using the mpi library in linux mint. Download the package and I have downloaded the library. I can compile my program (mpicc) but when I try to run it using mpirun I get the following message...
asked by 09.10.2017 / 00:09
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Error using the pip command

Goodbye everyone, doing a proof of concept at home I found that when using the command "pip3 install -r requeriments.txt" I missed the following error: No command 'pip3' found, did you mean: Command 'pip' from package 'python-pip' (universe)...
asked by 25.10.2017 / 11:26
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Metadata of a pdf file

I'm working on linux. How would you know if a pdf file has some video embedded?, by command line.     
asked by 21.09.2017 / 02:56
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Memory request

I tell you my question. I have a simple program in C, I am working with linux Mint. The only thing he does is ask for memory until he can not ask for more. Here I put the code: #include <stdio.h> #include <stdlib.h> int main(){...
asked by 10.09.2017 / 23:36
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mod_evasive blocks my server's ip always

I have installed mod_evasive in my CentOS 7.3 and thus test the Perl of tests. As expected, I'm throwing error 403. Modified the evasive configuration file so that it pops up when reloading the page twice in less than 2 seconds (as a...
asked by 07.09.2017 / 11:33
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PHP file with phpinfo () jumps error ERR_EMPTY_RESPONSE in browser

On the server where I am running the code is an Apache, with PHP 7.0 and MySQL 5.6. The machine is a Raspberry PI 2. I am trying by all means to solve the problem that I have with the file that executes the phpinfo (), the structure of the fi...
asked by 03.09.2017 / 11:53
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run libreoffice from php

I'm doing a php script to convert PPT files to PDF. I have my ubuntu instance running on Amazon Ec2. The problem is that when I run from the console: libreoffice --headless --convert-to pdf prueba.ppt It works fine but when I do from php:...
asked by 26.08.2017 / 02:31
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Failed to create LVM volume. Device not found / dev / sdxy (or ignored by filtering)

I have a machine with CentOS 7.3.1611 and an oVirt Hosted Engine. I want to add a new disk (sdb) to the volume group to extend it so that we can create another logical volume where we can create virtual machines. Here I show the result of...
asked by 25.08.2017 / 21:17
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load average of 40.5 in 4-core processor

I have a problem interpreting the load averague of my system, seeing it today threw overboard all the knowledge I had about it, I explain: I have 4 cores and I understand that to be "full" I should show a value of 4.0, but it shows me 40.5 !!...
asked by 19.08.2017 / 21:48
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I can not access my DNS from outside my CentOS Server

Dear, I can not see my DNS from the outside of my server. I have a server (It is not a virtual machine) CentOS 6.9 32bits, I have configured my DNS, which within the server respond well. But when I perform from my windows console: λ nslookup...
asked by 19.08.2017 / 20:00