El Capitan, the last edition known as Mac OS X 10.11.6, is an operating system between Yosemite and macOS Sierra, released on July 18, 2015. Here is a list of new features that Mac OS X 10.11.6 brings to most old Mac OS X users. And you may feel like downloading and installing the system on your Macs: Support multitask; Better performance. Download macOS 10.15 Catalina. Upgrading to macOS 10.15 Catalina is a two-step process: backup and install. After creating a backup, the next thing to do is download the macOS installer from the App Store. It may take a few minutes to download depending on your internet connection. Install older OS X onto an external drive. The following method allows you to download Mac OS X Lion, Mountain Lion, and Mavericks. Start your Mac holding down Command + R. Prepare a clean external drive (at least 10 GB of storage). Within OS X Utilities, choose Reinstall OS X. Select external drive as a source. Enter your Apple ID. Mac Os X El Capitan 10.11.6 Installer Dmg. With a more improved performance and design improvements, it becomes a more reliable and trusted release. Mac OS X El Capitan 10.11.6 is intended to make more user-friendly environment by advanced preview features with minimized view of documents and files. Safari browser is more improved in this.
Setting Up A Database
Rails ships with sqlite3 as the default database. Chances are you won't want to use it because it's stored as a simple file on disk. You'll probably want something more robust like MySQL or PostgreSQL.
There is a lot of documentation on both, so you can just pick one that seems like you'll be more comfortable with.
If you're new to Ruby on Rails or databases in general, I strongly recommend setting up PostgreSQL.
Macos 10.11 Installer Download
If you're coming from PHP, you may already be familiar with MySQL.
MySQL
You can install MySQL server and client from Homebrew:
Once this command is finished, it gives you a couple commands to run. Follow the instructions and run them:
By default the mysql user is root with no password.
When you're finished, you can skip to the Final Steps.
Macos 10.11 Installer Downloads
PostgreSQL
Mac Os 10.11 Download
You can install PostgreSQL server and client from Homebrew:
Once this command is finished, it gives you a couple commands to run. Follow the instructions and run them:
By default the postgresql user is your current OS X username with no password. For example, my OS X user is named chris so I can login to postgresql with that username.