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I have successfully installed `rvm`, but when I run the following commands sudo apt-get update Or: rvm install 2.0.0 I have the following er...

I installed ffmpeg 0.8.9 on ubuntu11 by > ./configure --enable-gpl --enable-nonfree --enable-pthreads > --enable-libfaac --enable-libmp3lame --enable...

I just found on my Ubuntu, there are two different C++ compilers: `/usr/bin/g++` and `/usr/bin/c++`. I am not familiar with the latter, but `man c++` just jumps...

I always run my Apache server in this way: sudo service apache2 start But in many guides I saw commands like this: sudo systemctl start apache2...

I want to use the `node-sass` module in my `node.js v0.12` application to benefit from the performance of `libsass`.<br> I executed `npm i node-sass` to...

I am having trouble trying to get theh permissions for some of my external drives set up. I believe the probem is due to how I am dealing with spaces in th...

My Ubuntu computer had crashed, and when I restarted it MongoDB wasn't working. I tried the following commands, and got the following output: $ mongo...

I just installed ubuntu and would like to set its rsa keys up with bitbucket/github. When I ssh-keygen the keys are generated as they should be ssh-rsa A...

I am trying to install virtualenv on Ubuntu. First it said `command 'pip' not found`, so I typed sudo apt install python-pip then it said...

My database is over 600 GB and my current volume is only 1 TB, so that probably limits my options. My config files are here: /etc/postgresql/9.6/main...

I'm trying to use PyMySQL on Ubuntu. I've installed `pymysql` using both `pip` and `pip3` but every time I use `import pymysql`, it returns `ImportEr...

I'm building a new Docker image based on the standard Ubuntu 14.04 image. Here's my *Dockerfile*: FROM ubuntu:14.04 RUN apt-get update -...

When I am trying to push to my remote git repository, but it is taking forever and nothing happens. I waited for so long, but push is never getting finished. My...

I am running my rails application using the following $script/server -d webrick on my Ubuntu system , above command run the webrick se...

I recently upgraded to Ubuntu 9.04 and I have issues using gems. I installed Ruby, Rubygems and Rails using apt-get. The `rails` command does work. I then...

I am getting the following error while running my rails app in Ubuntu server > FATAL: Listen error: unable to monitor directories for changes. Visit >...

How to know if I have both php5.3 and php5.5 installed in my system? How to delete php5.3 if it is there and configuring Apache2 to work with php5.5?

I have a new Ubuntu 12.04 VPS. I am trying to write a setup script that completes an entire LAMP installation. Where I am having trouble is appending a line to...

Before you think this is a duplicate question, I believe I have a unique, even if it is somewhat dim-witted, case. A few days ago, I upgraded the version of...

I am on a school computer, so I can't install anything. I am trying to create C code which can be run in Python. It seems all the articles I am finding...