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Didier Daglinckx

Mac OS X Server - Wikipedia, the free encyclopedia - 0 views

  • Mac OS X Server is Apple's UNIX server operating system. Based on the same architecture as Mac OS X, Mac OS X Server includes additional services, applications and administration tools for managing and deploying servers. Mac OS X Server is the operating system included on Xserve, Apple's 1U rack mount server. Mac OS X Server is also sold separately for use on Apple desktop computers including Mac Pro, iMac and Mac mini. Mac OS X Server is commonly found in small business, education and large enterprise organizations.
    Mac OS X Server is Apple's UNIX server operating system. Based on the same architecture as Mac OS X, Mac OS X Server includes additional services, applications and administration tools for managing and deploying servers. Mac OS X Server is commonly found in small business, education and large enterprise organizations.
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. 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
Jeff Johnson

Adjust Mac OS X display brightness from the Terminal - Matt [Danger] - 0 views

    One of the classrooms I maintain is comprised of 2.4Ghz iMacs (MB323LL/A) that are dual booted with Windows XP and Mac OS X. Sometimes when the workstations are restarted from XP to OS X the display brightness gets changed to its dim power saver setting. This requires the user manually increase the display brightness by pressing the F2 key, which is inconvenient. I haven't been able to determine the cause of this issue so I wanted to create a login hook to increases the brightness as a temporary fix. OS X doesn't ship with a command line utility that let's you change display brightness. Fortunately, Nicholas Riley has written a utility that uses OS X frameworks to accomplish this quickly and easily. Here's the code
Jochen Burkhard

Mac File Recovery In Case Of Desktop Database Corruption - 0 views

    In Mac OS X, the Desktop Database (Desktop DB) is a collection of invisible files, which store the location information of all the files on your Mac OS X hard drive. Because this database contains the location of all the files on hard drive, if it gets damaged or its size grows too large, many issues might take place. In such cases, whenever you try to access a file or start an application, the process halts with an error message stating that the desktop database is corrupt and you need to rebuild it or delete and recreate it. In such situations, you can not access your mission critical data from Mac OS X hard drive and come across serious data loss situations. In order to sort out these data loss circumstances, you need to opt for Mac File Recovery using using appropriate methods.
Jeff Johnson

Freeing space on your Mac OS X startup disk - 3 views

    This extract from a chapter of our book Troubleshooting Mac® OS X describes several ways to free-up space on your Mac OS X startup disk, also known as your Mac OS X boot volume.
Jeff Johnson

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

    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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helloe - News - Do more with your Apple Remote - 0 views

  • A few weeks ago, we brought you news about Remote Buddy. It's a neat little application that allows you to control almost anything on your Mac mini with the Apple Remote. The response to an application offering this kind of functionality was pretty enthusiastic, so I wanted to let you know about three other applications in the same category. They are iRed Lite, Mira and Sofa Control. You can learn more about each one of these applications down below. So if you're looking to get more out of your Apple Remote, I suggest you download them and give them a try. Remote Buddy "Remote Buddy provides you with a one stop interface that allows you to control almost anything on your Mac just with the remote control. Besides tools that allow you to emulate keyboard and mouse, eject CDs, terminate applications and much more, Remote Buddy also can control applications directly. It does this through specialized plugins, so called Behaviors. Already included with Remote Buddy are Behaviours for iTunes, Keynote 3, PowerPoint, Photo Booth, QuickTime Player, EyeTV 2, DVD Player, VLC Media Player, Real Player, Adobe Reader, Acrobat Pro, CoverFlow, Quinn, GarageBand, NetNewsWire, MPlayer OSX, Expose and many more. For your convenience, Remote Buddy has a set of intelligent algorithms that can automatically choose the best fitting behavior for the currently running applications. Plus a table of the active mapping and the behaviors menu is always just a press of the Menu button away." Download Details:   Developer: IOSPIRIT   License: Demo   Price: $12.70   System Requirements: Mac OS X 10.4 or later Sofa Control "Apple ships a Remote Control with any new Mac. The pre-installed functionality is limited to control just a couple of applications. Sofa Control breaks this limit. With Sofa Control you are able to control any application on your Mac and trigger the actions you like. Sofa Control gives the control back to you. Sofa Control uses AppleScript to control any application installed on your Mac. It's full extendible and adoptable by the end user with their own scripts. Sofa Control provides specially designed "sofa suitable" user interface elements to choose files and to bring up menus. A special application switcher makes it easy to switch between applications. Sofa Control ships with support for a number of applications like Eye TV, Preview, iTunes, Adobe Reader, Keynote, VLC, Quicktime Player, Powerpoint, NetNewsWire, and more. A download area for new and updated scripts is provided on the product's website." Download Details:   Developer: CASE Apps   License: Demo   Price: $9.99   System Requirements: Mac OS X 10.4 or later iRed Lite "iRed Lite (iRL) was made for all Macs equipped with an Apple Remote, but may be used by keyboard or mouse as well. It allows you to control the basic functions of applications like iTunes, iPhoto, PowerPoint or Keynote from remote. Examples for these apps as well as for others are provided with the iRL package. iRL does not interfere with Front Row, but supplements it. A visual feedback of iRL is always only a click away: press Menu on your Apple Remote and you'll get an full screen or a resizable on-screen menu to show you what kind of action an Apple Remote button will cause. Switching between applications or control scenarios is also done in a snap: hold Menu for a second and you can switch between "layers" of controls. Optional audio feedback lets you operate iRL even without sight. iRL is highly customizable with a built-in Editor, which features a simple mode as well as an expert mode and it is only at its beginning: Themes for on-screen menus as well as an
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sarah suiuh

A Super Easy Way to Edit Images and Graphics in PDF Files On Mac - 0 views

    PDF Editor for Mac is an innovative tool picked by Lifehacker as the best PDF editor for users to edit, convert, and annotate PDF files on Mac OS X. Apart from editing PDF text on Mac, PDF Editor for Mac also helps you easily edit images and graphics in PDF files on Mac. And this article tells you how to insert, crop, resize, move or delete images (including graphics and digital signatures) in PDF files on Mac (Snow Leopard, Lion included) with a few clicks.
    lifehacker picked
Jeff Johnson

Mac OS X 10.5.7: User cannot log in on managed client - 0 views

    After updating to Mac OS X 10.5.7, a user may not be able to log in to a managed client workstation. On startup, or after entering the user name and password, the user may be prompted for an administrator name and password, but nothing can be entered. This issue can occur on PowerPC-based Macs if the file /etc/authorization is not updated correctly when installing the Mac OS X 10.5.7 Update.
Adam Mills

Apple finally releases crucial security update for Mac OS X - 0 views

    It might be six months late, but Apple has finally released an important update that fixes potentially dangerous vulnerabilities within both OS X 10.5 and OS X 10.4.
yc c

Multi-Safari - 0 views

    Safari normally use the Web Kit framework found inside Mac OS X to render web pages and execute javascript. This means that if you preserve an old version of Safari to run it on a newer version of Mac OS, it will use the newer Web Kit found in the system and you will get the same results as with the newer version. Thus, you would normally need a separate installation of Mac OS X for each version of Safari you want to test a website into.
Jeff Johnson

Sleepwatcher for Mac OS X - 0 views

shared by Jeff Johnson on 06 May 09 - Cached
    SleepWatcher is a command line tool (daemon) for Mac OS X that monitors sleep, wakeup and idleness of a Mac. It can be used to execute a Unix command when the Mac or the display of the Mac goes to sleep mode or wakes up or after a given time without user interaction. It also can send the Mac to sleep mode or retrieve the time since last user activity. A StartupItem, sample start and sleep scripts and the source code for sleepwatcher are included in the download. A little bit knowledge of the Unix command line is required to benefit from this software. SleepWatcher is published under the GNU General Public License.
Tahir Mirza

Apple Released iCloud Beta 7 and OS X Lion 10.7.2 - 0 views

    Apple released iCloud Beta 7 and OS X Lion 10.7.2 for registered developers. These update packages are designed to bring many bug fixes, improvements and new features in just-released OS X Lion for iCloud.These updates also brings users to access shared files on authorized Mac machine even if the
thanaads Thanaads Noo

September shows upward trend for Mac OS X, iPhone usage | All Apple News - 0 views

    The latest Net Applications survey, which gathers browser data from "site visitors to our exclusive on-demand network of live stats customers," shows steady increases in those using Mac OS X to access websites in September versus a steady decline in users using Windows operating systems. Though the survey claims to reflect market share, which is normally measured in unit sales, it does use a consistent method to examine trends in user share.
Jeff Johnson

Yet another reason why Macs need security software | Security - CNET News - 0 views

    According to the X-Force 2008 Trend & Risk Report (PDF) released early this year, Mac OS X Server and Mac OS X top the list of operating systems with the most disclosed vulnerabilities for 2008. Each accounts for 14.3 percent, and has been in the top five in each of the last three years. Rounding out the top five were: Linux Kernel at 10.9 percent, Sun Solaris at 7.3 percent, and Microsoft Windows XP at 5.5 percent. The purpose of this data is to compare the total number of disclosed vulnerabilities with each individual operating system. Vulnerability data is submitted to the Mitre Corp. and then appears in the CVE (Common Vulnerabilities and Exposures) List.
Zohar Manor-Abel

Mac OS X 10.6 Snow Leopard: the Ars Technica review - Ars Technica - 0 views

    Mac OS X 10.6, aka Snow Leopard has landed. This time around, Apple goes light on the glitz in favor of some heavy work under the hood. John Siracusa dives deep into Apple's new OS offering to see what's new, what's still the same, and whether it's worth upgrading.
Jeff Johnson

dockutil 1.0 released « Pattern Buffer - 0 views

    As a Mac sysadmin, I've had the need to manipulate the dock on hundreds of systems at a time. I used to cobble together terrible shell scripts to do the job, but now thanks to plistlib and python, plist manipulation is really easy. I am releasing this utility free under the Apache 2.0 license. Hopefully some other sysadmins will find it useful. dockutil is a command line utility for managing Mac OS X dock items. It can add, replace, list, move, find, and delete dock items. It supports Applications, Folders, Stacks, and URLs. It can act on a specific dock plist or every dock plist in a folder of home directories. It is compatible with Mac OS X Tiger and Leopard.
Jeff Johnson

Mac OS X market share cracks 8% (computerworld) - 0 views

    Apple Inc.'s Mac OS X market share has passed the 8% mark for the first time, a research company reported today. In September, Apple's operating system ran on 8.2% of the computers that accessed the 40,000 sites monitored by Net Applications for clients, the company's data showed. The Mac's share of the operating system market was up over August's by nearly four-tenths of a percentage point, the biggest one-month gain since May. Apple tends to post significant increases in September, according to Net Applications. Last year, for example, Mac OS X climbed by 0.45 points that month
Jeff Johnson

CreativeTechs Tips: Set default applications in Mac OS X. - 0 views

    RCDefaultApp is a free utility that CreativeTechs has started adding to our recommended Mac OS X installs. It adds a special preference pane that allows you to quickly change the default application for many common situations: * Open all your .pdf files in Acrobat instead of Preview. * Pick a different default mail client or web browser. * Control what opens when digital cameras or webcams are plugged in. * Close security holes with how certain weblinks are handled. Of course you can change these settings other ways. But RCDefaultApp makes it much easier by putting the most requested controls into one location - a new "Default Apps" option at the bottom of your Mac OS X System Preferences.
jasmeen jassi

Mac OS X Lion and New MacBook Air Double Release Likely on July 14 - 0 views

    MacTrast's prediction of Mac OS X Lion's release on Wednesday turned out to be inexact. The next and more probable date of Lion's release is July 14, according to sources of 9to5Mac.
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