Monthly Archives: January 2012

Show System Info, Hostname, & OS X Version at Mac OS X 10.7 Lion Login Screen

Prior to Mac OS X 10.7, you used to be able to click on the “Mac OS X” text to display additional system information about the Mac, showing things like IP Address, OS X version and build number, and the machines … Continue reading

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Change the Password in Mac OS X 10.7 Lion Without Knowing the Current Password

There are a few ways to reset a password in Mac OS X 10.7but both of those methods require reboots. This approach is different, it lets you change the password of the user currently logged into Mac OS X Lion, without knowing the … Continue reading

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Add a Message to the Login and Lock Screen in Mac OS X Lion

Mac OS X Lion brings a nice new feature to login and lock screens that allow you to display a message underneath the login panel. This is visible to everyone and it makes for a great place to put either a … Continue reading

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Setting a User Agreement Policy to Appear Before Login in Mac OS X Lion

Mac OS X Lion can display messages that require acknowledgement prior to the standard login screen appearing. For administrators, this allows a user agreement or acceptable use policy to be displayed before users can login, and for personal use it … Continue reading

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Lion recovery image to Recovery Disk on hard drive

Before doing any of this you might have to re-size your partition. Click Here Open a terminal window and enable the debug menu in Disk Utility: (copy and paste the code below) defaults write com.apple.DiskUtility DUDebugMenuEnabled 1  Start Disk Utility, … Continue reading

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Hiding Partiton in OSX

First we need the UUID of the drive we want to hide and the easiest method seems to be to use the Disk Utility. After starting the Disk Utility, click on the hardisk/partition you want to hide and click the … Continue reading

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View & Mount Hidden Partitions in Mac OS X

By enabling a hidden debug feature in Disk Utility, you are able to both view and mount hidden partitions on hard drives in Mac OS X. Hidden partitions include things like Linux swap, Windows Recovery drive, and OS X Lion‘s Recovery HD, and once they’re mounted they can be … Continue reading

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Repair User Permissions in Mac OS X Lion

Repair User Permissions in Mac OS X Lion Repairing User Permissions in OS X Lion You’ll need to reboot to perform this, and then use the same resetpassword utility that is used to change passwords in Lion, but instead choosing a hidden … Continue reading

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Change the Login Screen Wallpaper in OS X Lion

Change the Login Screen Wallpaper in OS X Lion Here’s another tip from Keir Thomas, author of Mac Kung Fu, a new book with over 300 tips, tricks, hints and hacks for Mac OS X Lion. It’s available from Amazon, and also … Continue reading

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Set a User Agreement Policy to Appear Before Login in Mac OS X Lion

Mac OS X Lion can display messages that require acknowledgement prior to the standard login screen appearing. For administrators, this allows a user agreement or acceptable use policy to be displayed before users can login, and for personal use it … Continue reading

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How to Install & Dual Boot Mac OS X 10.7 Lion and 10.6 Snow Leopard

How to Install & Dual Boot Mac OS X 10.7 Lion and 10.6 Snow Leopard Mac OS X 10.7 Developer Preview can be installed and ran alongside Mac OS X 10.6 on the same drive, all you need to do is partition your … Continue reading

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Mac OS X: Gray screen appears during startup

Mac OS X: Gray screen appears during startup Products Affected Mac OS X 10.4, Mac OS X 10.5, Mac OS X 10.6 Symptoms Instead of seeing the Finder or the login window after startup, your computer may stop responding and … Continue reading

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Your Mac won’t start up in Mac OS X (Mac OS X 10.3.9 or earlier)

Your Mac won’t start up in Mac OS X (Mac OS X 10.3.9 or earlier) Products Affected Mac OS X 10.1, Mac OS X 10.2, Mac OS X 10.3 This article has been archived and is no longer updated by … Continue reading

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Intel-based Mac: Startup sequence and error codes, symbols

Intel-based Mac: Startup sequence and error codes, symbols Summary The following is an overview of the startup sequence, error conditions, and behaviors for all Intel-based Macintosh systems. Note that some newer Macintosh models only use tones to indicate error conditions. … Continue reading

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How to Print Screen on Imac running Windows with a Mac Keyboard

How to Print Screen on Imac running Windows with a Mac Keyboard In order to do a Print Screen on an Imac Running Windows with a Mac Keyboard many suggest to use Option + F13 However for me it didnt … Continue reading

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How to Set the MTU Value During Startup

Follow these steps to create a script that sets the MTU each time the computer restarts: If you get an error you might have to run the commands with SUDO first. Ex: sudo mkdir StartupItems 1. Open Terminal (/Applications/Utilities/).  2. Type:cd … Continue reading

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HPCC Performance on OSX – Tune Ethernet for faster packets sysctl

Tuning TCP for Mac OS X Mac OS X has a single sysctl parameter, kern.ipc.maxsockbuf, to set the maximum combined buffer size for both sides of a TCP (or other) socket. In general, it can be set to at least twice the … Continue reading

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Re-Index Spotlight – Indexing

Open up Terminal and type the following: sudo mdutil -E / sudo mdutil -i on /

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Mac OS X Easter Egg – Tetris Hidden in the Terminal

Mac OS X Easter Egg – Tetris Hidden in the Terminal 1. Open the finder 2. Open Applications 3. Open Utilities 4. Open Terminal 5. type “emacs”; click enter 6. Press ESC + X at the same time 7. Type … Continue reading

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How do I reset my Mac OS X admin root password without an CD/DVD? Leopard – Snow Leopard – Lion

First Way “create a new admin account” Reboot Hold apple + s down after you hear the chime. When you get text prompt enter in these terminal commands to create a brand new admin account (hitting return after each line): mount … Continue reading

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OSX Terminal Commands

How to see the /Library Folder chflags nohidden ~/Library To turn Dashboard off: defaults write com.apple.dashboard mcx-disabled -boolean YES To turn Dashboard on: defaults write com.apple.dashboard mcx-disabled -boolean NO You have to restart the Dock after making either change for … Continue reading

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Lion Printer job “On hold (authentication required)” Not Printing even after sharing

Here is what I did: After checking all the usual issues in the Sharing and Print-Fax Control panels without any improvement, and verifying that local printing functioned normally, I went to the local machine, opened a browser window, and entered … Continue reading

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Great OSX Terminal How To’s

Link: http://osxdaily.com/category/command-line/

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Start an FTP or SFTP Server in Mac OS X Lion

If you’ve visited the Sharing Preference panel since upgrading to Mac OS X 10.7 you may have noticed there is no longer the option to enable an FTP server to share files and folders. It’s unclear why Apple pulled the easy frontend to … Continue reading

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Enable Remote Login to Start SSH Server in Mac OS X

Remote Login is a feature in Mac OS X’s Sharing preferences that allow remote users to connect to a Mac in a secure fashion by using OpenSSH. Essentially, it starts an SSH server, which includes SSH, the secure replacement for telnet, SFTP, … Continue reading

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List Of Shutdown Windows Command Switches

List Of Shutdown Command Switches No Switches Display information about the shutdown command, same as typing “-?” -i Display a GUI. It must be the first switch -l Log off the user (This cannot be used on a remote machine: … Continue reading

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How to Convert Videos to HTML 5 Format

This is a great tool to use to convert any video format file you have to the HTML5  Standard. http://www.mirovideoconverter.com/ To Learn How To Embed Your Videos Please Click Here Convert to MP4 Video Convert AVI to MP4 Convert H264 … Continue reading

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Embedding HTML5 Video

Browser Support for HTML5 First, let’s deal with some very basic stuff, like where this will work and where it won’t. As you can see in the table below, only the latest versions of most browsers support native video playback … Continue reading

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.htaccess

Creating A .htaccess File Creating a .htaccess file may cause you a few problems. Writing the file is easy, you just need enter the appropriate code into a text editor (like notepad). You may run into problems with saving the … Continue reading

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How to Replace the Pre-Motor Filter for Dyson DC17 Vacuum; Replace Dyson DC-17 Part 911236-01

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Where To Download iPhone Firmware Files From

1.0.0: iPhone1,1_1.0_1A543a_Restore.ipsw 1.0.1: iPhone1,1_1.0.1_1C25_Restore.ipsw 1.0.2: iPhone1,1_1.0.2_1C28_Restore.ipsw 1.1.1: iPhone1,1_1.1.1_3A109a_Restore.ipsw 1.1.2: iPhone1,1_1.1.2_3B48b_Restore.ipsw 1.1.3: iPhone1,1_1.1.3_4A93_Restore.ipsw 1.1.4: iPhone1,1_1.1.4_4A102_Restore.ipsw 2.0.0 (2G): iPhone1,1_2.0_5A347_Restore.ipsw 2.0.0 (3G): iPhone1,2_2.0_5A347_Restore.ipsw 2.0.1 (2G): iPhone1,1_2.0.1_5B108_Restore.ipsw 2.0.1 (3G): iPhone1,2_2.0.1_5B108_Restore.ipsw 2.0.2 (2G): iPhone1,1_2.0.2_5C1_Restore.ipsw 2.0.2 (3G): iPhone1,2_2.0.2_5C1_Restore.ipsw 2.1.0 (2G): iPhone1,1_2.1_5F136_Restore.ipsw 2.1.0 (3G): iPhone1,2_2.1_5F136_Restore.ipsw 2.2.0 (2G): iPhone1,1_2.2_5G77_Restore.ipsw 2.2.0 (3G): iPhone1,2_2.2_5G77_Restore.ipsw 2.2.1 (2G): iPhone1,1_2.2.1_5H1_Restore.ipsw 2.2.1 (3G): iPhone1,2_2.2.1_5H11_Restore.ipsw 3.0.0 (2G): iPhone1,1_3.0_7A341_Restore.ipsw 3.0.0 (3G): iPhone1,2_3.0_7A341_Restore.ipsw 3.0.0 (3GS): iPhone2,1_3.0_7A341_Restore.ipsw 3.0.1 (2G): iPhone1,1_3.0.1_7A400_Restore.ipsw 3.0.1 … Continue reading

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How to Put an iPhone Into DFU Mode

DFU means Device Firmware Update. If a restore using Recovery Mode doesn’t work you will want to use DFU Mode as a last resort. When placing your iPhone into DFU Mode it does not load the OS before attempting the … Continue reading

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Apple iPhone hard reset

To perform a hard reset on your iPhone you can follow these steps: Step One Press and hold the Home button and the Sleep/Wake button at the same time. Step Two The iPhone screen will go black after a few … Continue reading

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iPad Hard Reset

Restarting and Resetting iPad If something isn’t working right, try restarting iPad, force quitting an application, or resetting iPad. Restart iPad: Press and hold the Sleep/Wake button until the red slider appears. Slide your finger across the slider to turn … Continue reading

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How to Change a GFCI

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How to Change a Breaker

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How to Replace a Worn-Out Electrical Outlet

Shutoff the Electricity lugging in the receptacle tester which illuminated two yellow lights indicating the receptacle is wired correctly. Shut off the electricity at the circuit breaker in the main electrical panel. Observed the receptacle tester lights are not illuminated confirming … Continue reading

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How to Replace the Post Exhaust Filter on the Dyson DC14 Vacuum; Replace Dyson Part 901420-02

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How to create a bootable USB drive installer from a DMG package in Mac OS X

Attach your USB Flash Drive to your Mac. For your reference, my USB Flash Drive is labelled “SanDisk Cruzer Slice Media” and I’ve named its existing partition “FLASH DRIVE”. 1. From your Applications folder and open the Utilities folder. 2. … Continue reading

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How to Create a Mac Snow Leopard USB Installer Disk

Requirement An existing Mac with functional DVD-ROM Snow leopard installer DVD (upgrade set or box set) A USB thumb drive of at least 8GB in size Creating a USB installer disk 1. Plug in your USB drive. Backup all the data in … Continue reading

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