Install Compass in OSX El Capitan

After getting this error:

▶ sudo gem install compass
ERROR: While executing gem ... (Errno::EPERM)
 Operation not permitted - /usr/bin/sass

It can be fixed with:

▶ brew install ruby

▶ sudo gem install -n /usr/local/bin compass

Install MySQL in OSX El Capitan with Brew

brew doctor

brew update

brew install mysql

unset TMPDIR

mysqld -initialize --verbose --user=whoami --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmp

(only use this last one for El Capitan)

mysql.server start

brew services start mysql

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