Nstall OS X 10.11.4 (or later). I would first check to to see if your Mac is compatible to upgrade the the latest version of MacOS. One thing to note about MacOS Catalina is that it drops support for 32-bit applications. If you still use 32 bit applications you could upgrade to MacOS Mojave, 10.14 if your Mac supports it. Before you take steps to update your present Mac OS X to El Capitan 10.11.6/10.11.2, check whether your Mac computer is available to download and install the new El Capitan. Check the below list and see whether your device or OS X can get the new update. DVD DL, Mac OS X 10.11 El Capitan Full OS Install Reinstall Recovery Upgrade These DVDs are NOT original. Installing or upgrading your software from a DVD is NOT a quick process and can take 45-60 minutes to complete. Bootable USB Stick - macOS X El Capitan 10.11 - Full OS Install, Reinstall, Recovery and Upgrade SANDISK USB FLASH DRIVE 2.0/3.1 - 16GB - 5 years warranty Latest certificate (expires These USBs are NOT produced by Apple. This article guides you through the Malwarebytes for Mac installation process. These steps also apply to reinstallation, or how to reclaim the application in case of an accidental uninstall. Download the latest version of Malwarebytes for Mac. Note: If you are running OS X El Capitan 10.11, download this version of Malwarebytes for Mac.
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.
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.
PostgreSQL
Os X 10.11 Install
You can install PostgreSQL server and client from Homebrew:
Mac Os 10.11 Installer
Once this command is finished, it gives you a couple commands to run. Follow the instructions and run them:
Install 10.11
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.