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Jeff Johnson

Spanning Tree Protocol: AppleTalk and NetInfo Issues - 0 views

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    When the Spanning Tree Protocol is enabled on an Ethernet bridge or switch port to which a Macintosh computer is directly connected the computer may be unable to use AppleTalk or NetInfo services. Appletalk issues observed range from no AppleTalk services, local (to this specific network) AppleTalk services, degraded performance, and intermittent network services. If the Spanning Tree protocol is enabled on the port to which a Macintosh computer is connected packets necessary for AppleTalk address assignment and network discovery can be dropped by the switch. This causes the Macintosh to acquire invalid or incomplete network information resulting in the behavior discussed above.
Shawna MacFoo

Mac Gadget Gal - Top Apple Computer Accessories - 0 views

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    MacGadgetGal reviews top Macintosh accessories for home & family + OSX compatible educational software & Mac learning games for kids
Jeff Johnson

Bombich.com: Deploying a Dual-boot Macintosh - 0 views

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    Instructions for deploying a dual-boot Macintosh
Jeff Johnson

MacNN | Apple, Macintosh and iPod news - 0 views

  • Wal-Mart dwarfs...Apple, Beatles mend...iPod shuffle in 5...DMGI content on...Canon PowerShot...Sony 7.2MP...
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    Offers Apple, Macintosh and Ipod latest news headlines, articles, reviews, discussions, hacks etc.
Mac Gizmo Guy

Mac VOIP Phones + Video Call Gear For Apple Computers - 0 views

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    Save $ with Free & Low-Cost Mac VOIP internet phone, voice & video chat calling. Apple compatible webcam, IP phones, headset & microphones for OSX
Graham Perrin

XBinary: Extended Binary Format Support for Mac OS X - 0 views

  • Extended Binary Format Support
  • © Amit Singh
  • January 2009
  • ...51 more annotations...
  • —With the advent of x86-based Macintosh computers, Universal binaries, originally known as "fat" or multiple-architecture binaries, appeared in Mac OS X.
  • Universal Binaries
  • for one or more architectures
  • along with a header that describes each constituent binary.
  • a wrapper that contains Mach-O binaries
  • a "4-way fat" executable could consist of Mach-O executables for the i386 (32-bit Intel), x86_64 (64-bit Intel), ppc (32-bit PowerPC), and ppc64 (64-bit PowerPC) architectures
  • Mac OS X does not provide any kernel-level or user-level interfaces to extend binary format support.
  • we'll need to write special software
  • new kernel functionality
  • software will involve a kernel extension.
  • extend the kernel
  • and execute them through specified handler programs.
  • Let us call the new software that implements these features XBinary. binfmt_misc Those familiar with the Linux kernel will realize that functionality similar to what's been described here exists in Linux as the binfmt_misc kernel feature. XBinary is conceptually similar
  • XBinary also has some Mac OS X specific features.
  • download and install the XBinary package
  • a command-line tool (xbinary
  • a kernel extension (xbinary.kext)
  • research software at this point
  • choosing the best library from an extended fat library file.
  • for developers, researchers, and power users
  • take XBinary for a spin
  • XBinary: extended binary format support for Mac OS X Copyright (c) 2009 Amit Singh. All Rights Reserved. http://osxbook.com The XBinary software allows you to extend the Mac OS X kernel such that it can recognize arbitrary binary formats and execute them through specified handler programs. (Mac OS X natively supports executing only Mach-O binaries, Universal (fat) binaries, and interpreter scripts.) XBinary consists of a kernel extension (xbinary.kext) and this command-line tool, which lets you control the XBinary facility. This requires superuser privileges, so you should run this tool using sudo(8). The XBinary kext must be loaded for the facility to be available.
  • You can add and manipulate in-kernel entries that enable recognition of binary formats.
  • You can also specify flags that affect how a matched entry is processed. By default, the argument vector IS adjusted and setuid/setgid binaries are NOT allowed.
  • make experimentation involving new binary formats easy
  • Let us look at Java applications
  • then specify this wrapper script as the interpreter
  • and subsequently invoke the Java application launcher.
  • given a Java class file
  • a wrapper script
  • We don't even have to write such scripts
    • Graham Perrin
       
      :-)
  • a Universal binary containing, say, Tiger and Leopard versions
  • simplify code creation and maintenance.
  • Consider a 2-way fat binary containing i386 and x86_64 architectures.
  • operating system versions in addition to processor architectures.
    • Graham Perrin
       
      :-)
  • Now think of an "extended" fat binary mechanism that incorporates
  • our hypothetical extended fat binary contains eight "architectures"
  • the extended fat feature as implemented by XBinary is not a complete implementation
  • These examples assume that you are on an x86 (little-endian) machine.
  • XBinary requires Mac OS X 10.5.x (Leopard).
  • Executive Summary This document discusses XBinary, a new software that lets you add kernel-level support for executing files in arbitrary binary formats on Mac OS X.
  • Extending Executability
  • recognize arbitrary binary formats
  • using the xbinary tool
  • copious "help" output
  • Each entry must have as its name a unique identifier string up to 31 bytes in size. Additionally, a set of other arguments specify to the kernel how to recognize that binary format and which interpreter to invoke to handle it. XBinary can recognize a binary EITHER by matching magic bytes within the first page of the file OR by matching a file extension. OTHER_ARGS must be a valid combination of the following arguments (some are optional).
  • that will determine the startup class name
  • Bonus Feature: Extra Fat Binaries
  • Since XBinary is experimental, why not experiment with such a feature too?
  • XBinary wouldn't be able to help the dynamic linker
  • The XBinary software
Mac Gizmo Guy

TV On A Mac : ElGato EYETV vs Equinux THE TUBE - 0 views

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    Slugging it out in the Apple TV tuner marketplace - ElGato and Equinux keep raising the bar for watching Digital TV on a Mac computer with the latest versions of their DVR - PVR video recording software for Macintosh OSX
Jeff Johnson

Macs go to work -- Government Computer News - 0 views

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    When you think of the Apple Macintosh, you might think of a smooth-running, elegantly designed, though comparatively expensive, laptop or desktop computer that is used largely in homes. But can Macs also play a part in the workplace? The answer seems to be, increasingly, yes. For instance, the Orange County, Calif., Sheriff's Department recently purchased 175 iMacs and MacBook laptops, which will work within the department's Microsoft Windows environment. "They are used in regular office space for all types of assignments," said Assistant Sheriff James McDonald.  "We also use them in the training room and we use some for video editing and podcasting."
Jeff Johnson

Autodesk - Autodesk Expands Support for Mac Users - 0 views

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    Autodesk is expanding assistance for Macintosh users by adding support for Boot Camp for select products in addition to offering native Mac OS products.
Glenn Bearsky

Dominate! Top Mac SEO Software Tools for Apple Webmasters - 0 views

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    Apple OS X compatible SEM & Mac SEO programs and tips for Macintosh webmasters. Search engine page ranking, traffic & OSX backlink applications
Jeff Johnson

Tips and Tricks for Macintosh Management | MacResearch - 0 views

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    John Detroye has posted his latest write-up of tips and tricks for managing Macs.
Jeff Johnson

Mac OS X BASIC TROUBLESHOOTING & MAINTENANCE Tips Snow Leopard 10.6 10.5 Tiger 10.4 Pan... - 18 views

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    This Apple Macintosh information how to perform general maintenance, back ups and troubleshooting guide tutorial is about Mac OS X 10.6 Snow Leopard, 10.5 Leopard, OS10.4 Tiger, 10.3 Panther, 10.2 Jaguar, OS on the generation 2007 2008 2009 2010 Mac Pros, four G4, and generation five G5 Altivec CPU workstations, including dual core quad core eight core processors quad processors Macbook Pro laptops Intel-based Intel Xeon Mac Pro IntelXeon MacPro computers.
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    The latest news in the world has ever seen. Recent and into atoms. Now present with us. Actual and reliable....NEWS TODAY www.killdo.de.gg
Jeff Johnson

Propagator - an OS X Admin's Friend - 4 views

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    Propagator provides a GUI for pushing out files to Macs on your local network. This is useful for OS X system administrators who wish to update all of their managed client machines with a specific file, most commonly property list (.plist) files. This functionality can also be achieved using Apple Remote Desktop, but a free alternative is always worth taking a look. My two favorite aspects of Propagator are its Common Places drop down menu for quickly specifying common locations to drop files (such as long ~/Library paths), and it's Set Ownership check box for giving proper ownership of the file to the right user accounts. The option to Lock Files After Copy prevents users (in my case, students and unknowing faculty) from messing with your work, accidentally or not.
Jeff Johnson

Alternatives to Apple Spaces | The Apple Blog - 0 views

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    Almost a year ago Apple gave us Leopard (OS X 10.5), and along with it came virtual desktops for the masses, in the form of Spaces. For many this was an interesting new way to expand their workspace virtually. For the rest of us [power users?] it was a letdown in execution. What was worse, the third party options looked to be dwindling as well. Last November I called for third party developers to bring the competition - let's take a look at the result of that call to arms.
Jeff Johnson

Time-saving tips for Leopard - 0 views

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    Are you using the latest version of Mac OS X efficiently? Try our tips and watch your productivity soar.
Adam Turetzky

Macworld | iPhone Central | Review: OmniFocus for iPhone - 0 views

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    Complex desktop app is equally complex on the iPhone
Jeff Johnson

Creating Automator Actions for Apple Remote Desktop (ARD) - 0 views

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    Apple Remote Desktop (ARD) 3 is the latest release of Apple's desktop management software, enabling administrators to distribute software, manage assets, and remotely administer Mac OS X systems via a network. ARD 3 takes advantage of innovative technologies in Mac OS X Tiger such as Automator. Automator is built on the concept of actions - discrete tasks such as opening a file, cropping an image, or sending a message. With Automator users can string together a series of actions into a single Automator workflow document. Much like a script, a workflow document can be executed, triggering each action and passing any data generated by the action to the next action in the workflow. Using the Automator actions installed with ARD and custom actions you create, you can develop workflows to automate repetitive system administration tasks. For example, workflows can distribute software, create detailed software and hardware reports, and remotely configure systems using ARD.
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