Wednesday, October 23, 2013

Mavericks (OSX 10.9) Upgrade

I just upgraded one of my computers to OSX 10.9.

I'll post issues related to this upgrade that pop up as time permits...


I'd recommend your making a full backup before upgrading.


Expect the installation to
  • take longer than advertised
  • require reinstall of your Java runtime
  • replace SecondBar functionality (if you have multiple monitors)

Install Java Runtime

If you get an error message like, "you need a java se 6 runtime" when opening your mac apps, just install a Java Runtime from:

Install Nokogiri

Error when installing nokogiri gem

Installing nokogiri (1.5.4)
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /Users/lex/.rbenv/versions/1.9.3-p448/bin/ruby extconf.rb
checking for libxml/parser.h... no
libxml2 is missing.  please visit for help with installing dependencies.
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers.  Check the mkmf.log file for more
details.  You may need configuration options.

Provided configuration options:

Gem files will remain installed in /Users/lex/.rbenv/versions/1.9.3-p448/lib/ruby/gems/1.9.1/gems/nokogiri-1.5.4 for inspection.
Results logged to /Users/lex/.rbenv/versions/1.9.3-p448/lib/ruby/gems/1.9.1/gems/nokogiri-1.5.4/ext/nokogiri/gem_make.out

An error occurred while installing nokogiri (1.5.4), and Bundler cannot continue.
Make sure that `gem install nokogiri -v '1.5.4'` succeeds before bundling.
You can try upgrading homebrew ...

$ brew update
$ brew upgrade
...and you may feel good your progress, and try to reinstall nokogiri and it's dependencies...

brew install libxml2 libxslt
brew link libxml2 libxslt
gem install nokogiri
But you'll probably get the following message: Warning: No developer tools installed. You should install the Command Line Tools. Run `xcode-select --install` to install them. But you'll probably still have probably still get the following error:

clang: error: invalid arch name '-arch -D_REENTRANT=1'
error: command 'clang' failed with exit status 1
Finally, when you install nokogiri with xcode dependencies using the following you may profit:

$ gem install nokogiri -- --with-xml2-include=/Applications/

Update Gemfile

Be sure to reference the proper version of nokogiri in your Gemfile.

gem 'nokogiri', '~> 1.6'

New Features

Here are a few new features to checkout
  • Upgrade existing apps (Calendar, Finder, Mail/gmail archiving, Notifications)
  • New apps (iBooks, Maps, iCloud Keychain)
  • Power Saving Functionality (Timer Coalescing, Compressed Memory, App Nap)
See the full list here:

Activity Monitor

I'm a fan of the new graphics in the new Activity Monitor's Network graphic...

...largely, because Apple uses the same design that I originally implemented in the IBM Network Protection NextGen IPS (NextGen) - Management Dashboard.

It's easy to see spikes in traffic and the load coming across the wire.

IBM NextGen dashboard traffic widget

The current IBM NextGen dashboard traffic widget implementation is more like what Apple used in pre-10.9 Activity Montior Network graphs:

For a short demo of the BM Network Protection NextGen IPS (NextGen) - Management Dashboard see

Fine Grained Control of Which Apps Get Accessibility Features

Unlike previous versions of OS X, which used a universal checkbox in an “all or nothing” approach, the new functionality in Mavericks allows users to individually choose which apps can gain control of the system.

If you use an application like CheatSheets or SizeUp, just add the app in the OSX System Preferences > Security & Privacy > Privacy > Accessibility dialog.


I ran into the nokogiri problem mentioned above, which is not bad and was easy to fix.

Given that this is a FREE upgrade and the tendency of Apple to not support legacy systems for long, upgrading is a no brainer.


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