Category: Linux

Error while install mysql2 ruby gem

How to fix “An error occurred while installing mysql2 (*)” when install mysql2 ruby gem ? The solution is just run this command on your terminal : On Ubuntu : $ sudo apt-get install libmysqlclient-dev On Redhat / Centos / Fedora : $ sudo yum install mysql-devel On Mac OSX with Homebrew : $ brew […]

How To Fix can’t find gem bundler (>= 0.a) with executable bundle (Gem::GemNotFoundException)

If you got this error : $ bundle Traceback (most recent call last): 2: from /home/ubuntu-user/.rbenv/versions/2.5.1/bin/bundle:23:in `<main>’ 1: from /home/ubuntu-user/.rbenv/versions/2.5.1/lib/ruby/2.5.0/rubygems.rb:308:in `activate_bin_path’ /home/ubuntu-user/.rbenv/versions/2.5.1/lib/ruby/2.5.0/rubygems.rb:289:in `find_spec_for_exe’: can’t find gem bundler (>= 0.a) with executable bundle (Gem::GemNotFoundException) when bundling your gem on your rails app, the solution to fix is easy. Just updating your gem system using this command […]

How to Install PostgreSQL For Local Rails Development On Ubuntu 19.04

Before install PostgreSQL we need to update apt package list to do so : sudo apt update After that we can install PostgreSQL and dependencies : sudo apt install postgresql postgresql-contrib To switch into Postgres account : sudo -i -u postgres Now you can access PostgreSQL prompt by running command : psql Exit out of […]

How To Install RMagick and ImageMagick on Ubuntu 19.04

Here is the way to install rmagick and imagemagick on your ubuntu 19.04. Update Ubuntu APT package list by run this command : sudo apt update Install ImageMagick and its dependencies : sudo apt-get install imagemagick libmagickcore-dev libmagickwand-dev -y Verify if imagemagick had succesfully installed : convert -v The output should similar like this : […]

How To Install FFMPEG on Ubuntu 19.04

This tutorial guide you to install ffmpeg on your Ubuntu 19.04 : Update your Ubuntu apt package list first : sudo apt update Next install ffmpeg : sudo apt install ffmpeg -y Verify ffmpeg version : ffmpeg -version The output should similar like this : ffmpeg version 3.4.6-0ubuntu0.19.04.1 Copyright (c) 2000-2019 the FFmpeg developers built […]

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