Install PhantomJS under Ubuntu
PhantomJS Show archive.org snapshot has no binary builds for Linux, and building it yourself is painful.
However, you can install it through npm:
sudo npm install -g phantomjs
Related cards:
Installing Node.js / npm under Ubuntu with nvm (with yarn)
I recommend install Node.js using nvm. This way you can have multiple Node versions in your ~/.nvm. You also won't need to install global packages with sudo anymore.
Node via nvm will automatically bring npm. yarn will automatically be availa...
Install RubyMine under Ubuntu
This card explains how to install RubyMine for the first time. If you want to upgrade an existing RubyMine installation (after legacy install) to a newer version, see How to upgrade RubyMine.
Option A (new way)...
Installing Ruby 2.3 or below on Ubuntu 17 and above
From Ubuntu 17, rbenv fails to install Ruby below 2.4 because of a mismatching OpenSSL dependency: it needs libssl1.0-dev for the installation process, but recent Ubuntus come with libssl-dev.
From the linked StackOverflow comment:
As fa...
Install the SQLite 3 gem for Ruby under Ubuntu
sudo apt-get install sqlite3 libsqlite3-dev
sudo gem install sqlite3-ruby
How to install packages from newer Ubuntu releases
We're usually running Ubuntu LTS versions. Sometimes newer hardware requires packages from more recent Ubuntu releases that only come with 6 months of support. If there is really no other way, it's possible to install packages from later Ubuntu re...
Installing RMagick on Ubuntu
When installing RMagick you may get an error messages like this:
Version 2.13.1:
checking for Ruby version >= 1.8.5... yes
checking for gcc... yes
checking for Magick-config... no
Can't install RMagick 2.13.1...
Installing Ruby <= 2.3 on Ubuntu 20.04+
Installing old Rubies (<= 2.3) with a standard rbenv + ruby-build is no longer possible on Ubuntu 20.04. This is because those Rubies depend on OpenSSL 1.0 which is no longer shipped with current Ubuntus.
We have [forked ruby-build](https://githu...
Installing old versions of mysql2 on Ubuntu 20.04+
On some of our older projects, we use the mysql2 gem. Unfortunately, versions 0.2.x (required for Rails 2.3) and versions 0.3.x (required for Rails 3.2) can no longer be installed on Ubuntu 20.04. Trying this either leads to errors when compiling ...