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Applejack For Mac Yosemite Download Jul 13, 2010 AppleJack is a user friendly troubleshooting assistant for Mac OS X. With AppleJack you can troubleshoot a computer even if you can't load the GUI, or don't have a startup CD handy. Download Applejack Hospitality and enjoy it on your iPhone, iPad and iPod touch. Mac Requires macOS 11 or later and a Mac with the Apple M1 chip. Security Update 2021-004 (Catalina) macOS Catalina Security Update 2021-004 (19H1323) is recommended for all users and improves the security of macOS.
Introduction
CURRENT PROJECT VERSION: 1.7b1
AppleJack is a user friendly troubleshooting assistant for Mac OS X. With AppleJack you can troubleshoot a computer even if you can't load the GUI, or don't have a startup CD handy. AppleJack runs in Single User Mode and is menu-based for ease of use.
Using AppleJack, you can repair your disk, repair permissions, validate the system's preference files, and get rid of possibly corrupted cache files. In most cases, these operations can help get your machine back on track. The important thing is that you don't need another startup disk with you. All you need to do is restart in Single User Mode (SUM), by holding down the command and s keys at startup, and then typing applejack, or applejack auto (which will run through all the tasks automatically), or applejack auto restart (which will also restart the computer automatically at the end of the process).
xlr8yourmac.com has compiled a list of user experiences with AppleJack which might help you evaluate its usefulness to you. Thanks guys!
Dan Frakes has written a nice summary of the benefits and drawbacks to AppleJack for macfixit.com. It's thorough and much better written than anything I could have done.
Getting Help
Please read the ReadMe.rtf file which comes with the AppleJack distribution. Or, if you've already installed AppleJack, just type 'man applejack' in a terminal window. Both documents should cover the basics of what you need to know, so it's a good place to start.
If you run into trouble with AppleJack, please look through the help forum first. If you can't find your issue addressed there, look through the support requests, and if your issue isn't addressed there, please file a support request of our own, and I'll get back to you as soon as possible.
Uninstalling AppleJack
If you are running version 1.4.3 or later of AppleJack, you can uninstall by rebooting in single user mode and entering the command applejack uninstall. Alternatively, if you are logged in to your account, you can open a Terminal session and type sudo /var/root/Library/Scripts/applejack.sh uninstall.
If you are running version 1.4.2 or earlier, you can download and run this script, which should remove all traces of an AppleJack installation. To uninstall:
- Open a terminal window and type
sudo bash(include the space at the end, but do not hit return yet!) - Drag the downloaded file to the terminal window. The line should now look similar to:
$sudo bash /Users/username/Desktop/uninstall.sh.txt - Hit the return key. You will be prompted for your administrator password. Enter it, and the script will run.
- If all goes well, your terminal should look similar to this:
$ sudo bash /Users/kit/Desktop/uninstall.sh.txt Password:found AppleJack script. Removing../private/var/root/Library/Scripts/applejack.shSearching for and removing any AppleJack man caches..Done.Restoring the root profile..Done.Searching for and removing AppleJack man pages../usr/share/man/man8/applejack.8done.AppleJack is uninstalled.
Feature Requests
(How to help make AppleJack better)
The goal of the AppleJack project is to create a tool that will help get you up and running when you run into problems. As such, it is not intended as a general purpose maintenance tool for your system. There are, of course, thousands of things it could be made to do, but in order to create a simple and reliable product, we need to keep the focus quite sharp—that of helping you be able to salvage your machine when worse comes to worse. Once you are up and running, there are a myriad maintenance and repair tools available to you.
Please look through the existing requests for enhancement first to see if your favorite features have already been requested. If you don't see your request there, and you think your idea fits within the scope of the AppleJack project, please post a request for enhancement. Thanks.
Donations
Download AppleJack
CURRENT PROJECT VERSION: 1.7b1
You can download AppleJack directly from the Sourceforge servers. (While you are there, you may want to help support open source software by making a donation to sourceforge.net, or to the development of AppleJack.)
For those who prefer to download through a software update site, I recommend using macupdate.com.
Current versions of AppleJack support Mac OS X 10.4 and later, including 10.9 Mavericks. For 10.2 and 10.3 support, please download the latest 1.4.x series release of AppleJack.
Installing AppleJack
Most people will probably want to use the installer that comes with the AppleJack distribution. If you would rather install AppleJack manually, take a look at a sample shell script that mimicks what the installer is doing.
What exactly is the installer doing? Well, it goes something like this:
- It checks to see if the root user's '.profile' exists, and if it does, removes any old references to AppleJack from it.
- Then it creates an alias to the AppleJack script inside root's .profile, so it can easily be called from single user mode (SUM). Also, the install routine creates a reminder about how to use AppleJack when you're in SUM.
- The script installs AppleJack in /private/var/root/Library/Scripts, creating the Library and Scripts folder along the way, if they don't already exist.
- The script installs the applejack man page into /usr/share/man/man8 (so you can get help on how to use AppleJack right from the command line by typing 'man applejack').
- Then the script ensures that the AppleJack script and man page have the correct ownership and permissions, to keep others from tampering with it.
- Finally, the script checks to see if there are old versions of the AppleJack man pages and removes them.
Submit a Bug
If you spot something not behaving as it should, let me know. But first, please take a look to see if someone else has reported the same issue.
Kappy's Personal Suggestions About Mac Maintenance
For disk repairs use Disk Utility. For situations DU cannot handle the best third-party utility is: Disk Warrior; DW only fixes problems with the disk directory, but most disk problems are caused by directory corruption. Drive Genius provides additional tools not found in Disk Warrior for defragmentation of older drives, disk repair, disk scans, formatting, partitioning, disk copy, and benchmarking.
Four outstanding sources of information on Mac maintenance are:
1. OS X Maintenance - MacAttorney.
2. Mac maintenance Quick Assist
3. Maintaining Mac OS X
4. Mac Maintenance Guide
Periodic Maintenance
OS X performs certain maintenance functions that are scheduled to occur on a daily, weekly, or monthly period. The maintenance scripts run in the early AM only if the computer is turned on 24/7 (no sleep.) See Mac OS X- About background maintenance tasks. If you are running Leopard or later these tasks are run automatically, so there is no need to use any third-party software to force running these tasks.
If you are using a pre-Leopard version of OS X, then an excellent solution is to download and install a shareware utility such as Macaroni, JAW PseudoAnacron, or Anacron that will automate the maintenance activity regardless of whether the computer is turned off or asleep. Dependence upon third-party utilities to run the periodic maintenance scripts was significantly reduced after Tiger. (These utilities have limited or no functionality with Snow Leopard, Lion, or Mountain Lion and should not be installed.)
Defragmentation
OS X automatically defragments files less than 20 MBs in size, so unless you have a disk full of very large files there's little need for defragmenting the hard drive except when trying to install Boot Camp on a fragmented drive. But you don't need to buy third-party software. All you need is a spare external hard drive and Carbon Copy Cloner.
Cheap and Easy Defragmentation
You will have to backup your OS X partition to an external drive, boot from the external drive, use Disk Utility to repartition and reformat your hard drive back to a single volume, then restore your backup to the internal hard drive. You will use Carbon Copy Cloner to create the backup and to restore it.
1. Get an empty external hard drive and clone your internal drive to the
external one.
2. Boot from the external hard drive.
3. Erase the internal hard drive.
4. Restore the external clone to the internal hard drive.
Clone the internal drive to the external drive
1. Open Carbon Copy Cloner.
2. Select the Source volume from the left side dropdown menu.
3. Select the Destination volume from the left side dropdown menu.
4. Be sure the Block Copy button is not depressed or is ghosted.
5. Click on the Clone button.
Destination means the external backup drive. Source means the internal startup drive.
Restart the computer and after the chime press and hold down the OPTION key until the boot manager appears. Select the icon for the external drive and click on the upward pointing arrow button.
After startup do the following:
Erase internal hard drive
1. Open Disk Utility in your Utilities folder.
2. After DU loads select your internal hard drive (this is the entry with the
mfgr.'s ID and size) from the left side list. Note the SMART status of the
drive in DU's status area. If it does not say 'Verified' then the drive is
failing or has failed and will need replacing. SMART info will not be
reported on external drives. Otherwise, click on the Partition tab in the
DU main window.
3. Under the Volume Scheme heading set the number of partitions from the
drop down menu to one. Set the format type to Mac OS Extended
(Journaled.) Click on the Options button, set the partition scheme to
GUID then click on the OK button. Click on the Partition button and wait
until the process has completed.
Restore the clone to the internal hard drive
1. Open Carbon Copy Cloner.
2. Select the Source volume from the left side dropdown menu.
3. Select the Destination volume from the left side dropdown menu.
4. Be sure the Block Copy button is not selected or is ghosted.
5. Click on the Clone button.
Destination means the internal hard drive. Source means the external startup drive.
Note that the Source and Destination drives are swapped for this last procedure.
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Malware Protection
As for malware protection there are few if any such animals affecting OS X. Starting with Lion, Apple has included built-in malware protection that is automatically updated as necessary. To assure proper protection, update your system software when Apple releases new OS X updates for your computer.
Helpful Links Regarding Malware Protection:
1.Mac Malware Guide.
2. Detecting and avoiding malware and spyware
3. Macintosh Virus Guide
For general anti-virus protection I recommend only using ClamXav, but it is not necessary if you are keeping your computer's operating system software up to date. You should avoid any other third-party software advertised as providing anti-malware/virus protection. They are not required and could cause the performance of your computer to drop.
Cache Clearing
I recommend downloading a utility such as TinkerTool System, OnyX 2.4.3, Mountain Lion Cache Cleaner 7.0.9, Maintenance 1.6.8, or Cocktail 5.1.1 that you can use for periodic maintenance such as removing old log files and archives, clearing caches, etc. Corrupted cache files can cause slowness, kernel panics, and other issues. Although this is not a frequent nor a recurring problem, when it does happen there are tools such as those above to fix the problem.
Homemade Apple Jack Recipe
If you are using Snow Leopard or earlier, then for emergency cleaning install the freeware utility Applejack. If you cannot start up in OS X, you may be able to start in single-user mode from which you can run Applejack to do a whole set of repair and maintenance routines from the command line. Note that AppleJack 1.5 is required for Leopard. AppleJack 1.6 is compatible with Snow Leopard. (AppleJack works with Snow Leopard or earlier.)
Installing System Updates or Upgrades
Repair the hard drive and permissions beforehand.
Update your backups in case an update goes bad.
Backup and Restore
Having a backup and restore strategy is one of the most important things you can do to maintain your computer. Get an external Firewire drive at least equal in size to the internal hard drive and make (and maintain) a bootable clone/backup. You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. You can never have too many backups. Don't rely on just one. Make several using different backup utilities. My personal recommendations are (order is not significant):
1. Carbon Copy Cloner
2. Get Backup
3. Deja Vu Nemu installer mac.
4. SuperDuper!
5. Synk Pro
6. Tri-Backup
Visit The XLab FAQs and read the FAQs on maintenance and backup and restore.
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Always have a current backup before performing any system updates or upgrades.
Final Suggestions
Be sure you have an adequate amount of RAM installed for the number of applications you run concurrently. Be sure you leave a minimum of 10% of the hard drive's capacity or 20 GBs, whichever is greater, as free space. Avoid installing utilities that rely on Haxies, SIMBL, or that alter the OS appearance, add features you will rarely if ever need, etc. The more extras you install the greater the probability of having problems. If you install software be sure you know how to uninstall it. Avoid installing multiple new software at the same time. Install one at a time and use it for a while to be sure it's compatible.
Additional reading may be found in:
1. Mac OS X speed FAQ
2. Speeding up Macs
3. Macintosh OS X Routine Maintenance
4. Essential Mac Maintenance: Get set up
5. Essential Mac Maintenance: Rev up your routines
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6. Five Mac maintenance myths
7. How to Speed up Macs
8. Myths of required versus not required maintenance for Mac OS X
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Referenced software can be found at CNet Downloads or MacUpdate.
Most if not all maintenance is for troubleshooting problems. If your computer is running OK, then there isn't really a thing you need to do except repair the hard drive and permissions before installing any new system updates.
Aug 28, 2013 2:58 PM