X maint программа

OS X Maintenance Program Falls Short

Dan Knight - 2002.07.31

While Mac users and Mac websites bemoan the fact that Apple seems unwilling to offer a reduced cost upgrade path for current OS X users, Apple is pushing their Mac OS X Maintenance Program to schools and other institutions.

The details in brief:

  • Institution must buy a minimum of 10 licenses.
  • Contract covers a three year period.
  • Cost for 10-99 licenses is $69 per year, $49 for education.
  • 100-999 licenses sells for $59/year ($39 education)
  • Sites with 1000 or more seats can buy for $49/year ($29 education)

Up-front cost ranges from $207 per copy per year for smaller businesses to $87 per copy per year for huge education institutions.

But there's a catch, as noted on MacMinute: You have to have an existing Apple Volume License for the current version of the Mac OS X.

Read it again. You don't just have to have X up and running on 10 or more Macs; you also have to have an existing Volume License agreement. If you've simply acquired Macs with OS X a few at a time, you don't qualify.

Shades of Microsoft?

Is this beginning to sound a bit like Microsoft's new licensing scheme, where businesses have to decide no later than today whether to sign up for automatic software updates at a fixed annual price - or buy new software later on, since Microsoft will no longer offer traditional upgrades?

There are similarities. If Jaguar (OS X v10.2) is any indication, Apple will follow Microsoft in not offering upgrades. But wait a minute - Microsoft does offer Windows upgrades to individual users, something Apple is forgoing with Jaguar.

Further, Apple isn't requiring Mac usings schools and institutions to use new versions of software during the period of the contract. Apple is only making it available, something a bit less draconian than Microsoft's "your computer will be assimilated" approach with mandatory updates. (My big question for Microsoft: If a business terminates the contract, do they get to keep the software on their PCs?)

Another Apple Misstep

For huge organizations, the OS X Maintenance Program probably makes sense, but for small businesses (under 100 Macs), it probably makes more sense to buy a copy of Jaguar from Amazon.com, get a $50 rebate, and have a net one-time cost of $79.

And organizations with less then 10 OS X users don't have any choice but to buy a retail copy of Jaguar. At least educators can buy Jaguar direct from Apple for $69 - just a bit more than a 10 seat license, and no need to pay for three years of "OS maintenance."

By refusing to offer a reduced cost upgrade for existing OS X users, Apple is alienating a vocal portion of their loyal customer base. Offering substantial discounts to huge organizations while offering none to individual users is just another slap in the face.

One of two things is going to happen. Mac users will stick with OS X 10.1.5 to avoid paying $129, thus fragmenting the OS X market, or a lot of copies of Jaguar are going to be shared, reducing Apple's revenue stream and turning Mac users into software pirates.

While the Mac OS X Maintenance Program is a commendable step in making the Jaguar upgrade affordable for larger installations, it does nothing for individual users or organizations with less than 10 Macs.

Has "the computer for the rest of us" turned into the one that sticks it to the little guy?

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1.22 MB 0.41 MB 41.93 MB 1.28 MB
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Последняя оценка: 18/07/2017

Лицензия: Пробная версия

Размер файла: 9.86 MB


Последнее обновление: 12/10/2010

Поддерживаемые операционные системы: Windows XP, Windows Vista, Windows 8, Windows 7, Windows 10

Языки: Испанский, Немецкий, Английский, Португальский, Французский

Разработчик: Innovative Maintenance Systems

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Информация о разработчике


Running Mac OS X Maintenance Scripts

Running the Mac OS X maintenance scripts

Mac® OS X is a UNIX®-based system, built in part on both BSD® and FreeBSD®. UNIX systems run scheduled maintenance routines — known as maintenance scripts — to clean up a variety of System logs and temporary files. By default, these are executed between 03:15 and 05:30 hours local time, depending on the script.

If your Mac is shut down or in sleep mode during these hours, the maintenance scripts will not run. [1] This results in log files that will grow over time, consuming free space on your Mac OS X startup disk.

If your Mac is shut down or left in sleep mode overnight, the maintenance scripts should be run manually on a regular basis… unless you plan on devoting a large portion of your hard drive to the files cleaned-up by these routines!

This FAQ, derived from our book Troubleshooting Mac OS X, provides:

More information about maintaining Mac OS X can be found in our "Maintaining Mac OS X" FAQ.

Manually running the maintenance scripts

The easy way

Download and install a third-party utility, such as Cocktail or Yasu, that provides a function for running the maintenance scripts. You may find additional solutions by searching MacUpdate or VersionTracker™. Employ the version of the utility that is compatible with to the version of Mac OS X you are using.

These utilities permit running any individual maintenance script — daily, weekly, or monthly — or all of them. For example, running all three scripts weekly is a good habit if your Mac is frequently shutdown or in sleep mode overnight.

While we have not tested it, we have read positive reports from users of the freeware application Anacron. It runs the maintenance scripts automatically if the computer is awake and the scripts have not run when scheduled. As with other utilities, employ the version of Anacron that is compatible with the version of Mac OS X you are using..

The Terminal way

Using your Admin account, you can run all three maintenance scripts at once:

  1. Open Terminal, located in the Macintosh HD > Applications > Utilities folder.
  2. At the Terminal prompt, type the following, exactly as written:

    1. sudo periodic daily weekly monthly
  3. Press Return.
  4. Type your Admin password when prompted, then press Return.

All three scripts will run in sequence. There is no visual feedback while the scripts execute. You will know they are completed when the Terminal prompt returns.

You can also run the scripts individually. For example, to run just the daily script, you would type the the following command in step 2:

Determining when the maintenance scripts last ran

You can run a Terminal command to quickly check the date and time stamps of the log files associated with each maintenance script. This indicates when the scripts' logs were last updated, hence when the scripts were last executed.

  1. Open Terminal, located in the Macintosh HD > Applications > Utilities folder.
  2. At the Terminal prompt, type the following, exactly as written:
    1. ls -al /var/log/*.out
  3. Press Return.

You will see output similar to the following:

-rw-r--r-- 1 root wheel 467984 8 May 10:40 /var/log/daily.out

-rw-r--r-- 1 root wheel 1258 8 May 10:43 /var/log/monthly.out

-rw-r--r-- 1 root wheel 198378 8 May 10:43 /var/log/weekly.out

In this example, the scripts last ran on 8 May of the current year, between 10:40 and 10:43 local time. The date and time stamps in the example are the result of running the scripts manually via Terminal. If the scripts were run automatically on their default schedule, their date stamps would vary and their time stamps would indicate executions between 03:15 and 05:30 hours.

The maintenance performed by the scripts

Each maintenance script — daily, weekly, and monthly — has a specific function. Their functions have varied over different versions of Mac OS X.

  • The daily script removes old log files, "scratch" and "junk" files, backs-up the NetInfo database (Mac OS X 10.4 Tiger® and earlier), reports a variety of system and network statistics, and rotates the system.log file. Under Tiger, the daily script also cleans up scratch fax files and prunes asl.log, the log file for the then-new Apple System Logging facility. Under Mac OS X 10.5 Leopard®, the daily script also prunes the asl.db file that replaced the asl.log file for Apple System Logging.
  • The output from the daily script is written to the /var/log/daily.out file, which can be viewed in Console.
  • By default, the daily script is scheduled to run daily at 03:15 hours local time.
  • The weekly script rebuilds the locate and whatis databases. Depending on the version of Mac OS X, it also rotates the following log files: ftp.log, lookupd.log, lpr.log, mail.log, netinfo.log, ipfw.log, ppp.log, and secure.log
  • The output from the weekly script is written to the /var/log/weekly.out file, which can be viewed in Console.
  • By default, the weekly script is scheduled to run every Saturday at a specific time. Under Tiger and later, it runs at 03:15 hours local time. Under Mac OS X 10.3 Panther® and Mac OS X 10.2 Jaguar it runs at 04:30 hours local time.
  • The monthly script reports per-user usage accounting and rotates — depending on the version of Mac OS X — the wtmp, install.log, and cu.modem.log files.
  • The output from the monthly script is written to the /var/log/monthly.out file, which can be viewed in Console.
  • By default, the monthly script is scheduled to run on the first of the month at 05:30 hours local time.

How the scripts are launched on a schedule

How the schedule for each script is specified depends on the version of Mac OS X.

Scheduling under Panther and Jaguar

Under Panther and Jaguar, the schedule is specified in the System crontab file. You can easily view or edit this file with the donationware utility Cronnix. The cron process launches the scripts based on the schedule specified in crontab.

Scheduling under later versions of Mac OS X

Introduced in Tiger, the launchd process invokes each script on a schedule specified in a script-specific property list (.plist file) in the /System/Library/LaunchDaemons directory. The specific property list for each script is as follows:

  • daily script: com.apple.periodic-daily.plist
  • weekly script: com.apple.periodic-weekly.plist
  • monthly script: com.apple.periodic-monthly.plist

Additional information about launchd can be found in the Apple Developer Connection document System Startup Programming Topics.

How the timer used by launchd handles sleep time has led many to incorrectly believe that they no longer need to run the maintenance scripts and that the scripts are run automatically if the Mac was asleep or shutdown at the scheduled time.

While it may appear that launchd executes the maintenance scripts "on the fly" if the computer is asleep or shutdown at the appointed time, this is a side effect of how the timer treats the time the computer has spent in sleep mode. The timer used by launchd does not count sleep time. If your Mac is asleep at the scheduled time when a given script is supposed to run, the script may run later that day at a time shifted by the amount of time the Mac was asleep. However, if you restart your Mac before the time-shifted execution time, pending events are lost and the script will not run off-schedule: the next chance for the script to run will be at its regularly scheduled time.

If you regularly restart your Mac and the computer regularly sleeps or is shut down at the scheduled times, it's possible that the scripts will never run, hence one should still run them manually, such as on a weekly basis.

The sleep time shift is also cumulative. For example, if you don't restart your Mac for weeks or months at a time, but let it sleep when not in use, this can result in:

  • The daily script running once every few days or never.
  • The weekly script running once every few weeks or never.
  • The monthly script running once every few months or never.

The time shift in each case is the total amount of time the Mac has spent in sleep since its last restart. If you have a process that writes heavily to the logs, you can end up devoting good hard disk space to the log files.

Related links


[1] If you log out from your Mac OS X system and leave it with the Login Window displayed, your Mac can still enter sleep mode. When left at the Login Window, your Mac will enter sleep mode based on the settings specified by the last Admin user in System Preferences > Energy Saver. Therefore, if you want to leave your Mac with the Login Window displayed and still have the nightly Mac OS X maintenance routines run automatically, an Admin user must set System Sleep to Never in the System Preferences > Energy Saver > Sleep tab.


Software Maintenance Fact Sheet

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  • A detailed overview of the features and benefits of the Software Maintenance program.
  • 2016-01-08T17:14:23.693-05:00
  • 2016
  • Software Maintenance Fact Sheet
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