cuiymdeMacBook-Pro:webapps cuiym$ brew install activemq
1）报错：
Error: parent directory is world writable but not sticky
2）参考：http://blog.csdn.net/u011138533/article/details/52586821
cuiymdeMacBook-Pro:bin cuiym$ sudo chmod +t /tmp
cuiymdeMacBook-Pro:bin cuiym$ sudo xcode-select --install
3）重装安装：
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/universal-darwin15/rbconfig.rb:213: warning: Insecure world writable dir /opt in PATH, mode 040777
下载地址：
Already downloaded: /Users/cuiym/Library/Caches/Homebrew/activemq-5.14.3.tar.gz
To have launchd start activemq now and restart at login:
brew services start activemq
Or, if you don't want/need a background service you can just run:
activemq start
安装路径：
/usr/local/homebrew/Cellar/activemq/5.14.3
启动：
cuiymdeMacBook-Pro:5.14.3 cuiym$ activemq start
INFO: Loading '/usr/local/homebrew/Cellar/activemq/5.14.3/libexec//bin/env'
INFO: Using java '/Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home/bin/java'
INFO: Starting - inspect logfiles specified in logging.properties and log4j.properties to get details
INFO: pidfile created : '/usr/local/homebrew/Cellar/activemq/5.14.3/libexec//data/activemq.pid' (pid '51225')
cuiymdeMacBook-Pro:5.14.3 cuiym$ pwd
/usr/local/homebrew/Cellar/activemq/5.14.3
