OS X: Fixes Hints Tweaks and Tips

NOTE: To any user planning to purchase an Apple Mac computer and who doesn't plan on installing Linux on it, just stop. Buy a Windows 7 system instead because even though it is crap it is still a whole lot better than the stinking pile of shit that is OS X.

HOWTO: INSTALL:

Application from Command Line

sudo su -
curl -O http://website/app.dmg
hdiutil mount app.dmg
cp -R "/Volumes/Software Name/Software Name.app" /Applications
hdiutil unmount "/Volumes/Software Name/"
exit

http://commandlinemac.blogspot.com/2008/12/installing-dmg-application-from-command.html

Homebrew

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

https://brew.sh

Telnet

brew install telnet

FTP

https://discussions.apple.com/thread/8095304

L2TP / IPsec VPN

https://www.hideipvpn.com/setup/howto-mac-os-x-l2tp-ipsec-vpn-setup-tutorial/

A Scanner In Yosemite

You can add a scanner to the list of devices in Printers & Scanners preferences.

If you’ve already set up a printer that includes a scanner, you may be able to use its scanner features without any additional work. Select the printer in the list at the left, then click Scan.

Before setting up your scanner, choose Apple menu > App Store, then click Updates to make sure OS X has the latest information about scanner software it can download from Apple.
If you have a multifunction AirPrint printer and scanner, no software is installed, so you don’t need to check for software updates.
Follow the instructions that came with the scanner to unpack it and connect it to your Mac.
Important: Don’t install software that came with the scanner. OS X downloads the latest scanner software automatically.
Choose Apple menu > System Preferences, then click Printers & Scanners.
If you don’t see your scanner in the list at the left, click Add . If a pop-up menu appears, choose Add Printer or Scanner.
Select your scanner, then click Add.
If your scanner isn’t in the list, see the documentation that came with the scanner to find out how to scan with it.

Hackintosh - Unsupported Systems - Mojave

HOWTO: ENABLE:

Fast User Switching

Turn on Fast User Switching in the Accounts System Preferences. It's in the Login Options. (click the padlock to unlock settings)

Enable SSH

http://osxdaily.com/2011/09/30/remote-login-ssh-server-mac-os-x/

Read/Write To Ntfs Formatted Drives

Install software from here.

NOTE: On install NTFS-Free Yosemite you are required to run the following in the terminal:

Terminal:~$

sudo nvram boot-args="kext-dev-mode=1"
sudo kextcache -system-prelinked-kernel
sudo kextcache -system-caches

After the first command you will need to enter your password because of 'sudo' (super user do) this disables the security check. The other 2 commands just clear your cache of any old versions of this kernel extension to give you a fresh slate. After you install/reinstall you'll restart and things seem to be working. It is suspected that this will be broken in the next update because this uses the /System/ folder which apple will be phasing out 3d party use of that folder.

CUPS Web Interface

Terminal:~$

cupsctl WebInterface=yes

To access the web interface in a browser's address bar type either of the following:

http://localhost:631

your.ip.address.here:631

FileVault - Drive Encryption

Main Apple menu | System Preferences | Security & Privacy | FileVault (Tab)
Click on the Padlock icon

https://support.apple.com/en-us/HT204837

HOWTO: DISABLE:

Automatic Updates

sudo softwareupdate --schedule off

http://www.dgkapps.com/blog/tag/schedule/

https://ss64.com/osx/softwareupdate.html

https://www.theregister.co.uk/2019/10/08/adobe_catalina/

Handoff

Handoff is: https://support.apple.com/kb/PH25169?locale=en_GB

Disable on MacOS: https://www.howtogeek.com/331246/how-to-disable-handoff-on-your-iphone-and-mac/

Recently Used Programmes Section On Dock

System Preferences --> Dock --> Untick the entry "Show recent applications in Dock"

System Integrity Protection

   Click the  symbol in the Menu bar.
   Click Restart…
   Hold down Command-R to reboot into Recovery Mode.
   Click Utilities.
   Select Terminal.
   Type csrutil disable.
   Press Return or Enter on your keyboard.
   Click the  symbol in the Menu bar.
   Click Restart…

https://www.imore.com/how-turn-system-integrity-protection-macos

LogMeIn Remote Sound Driver

Go to Macintosh HD/system/library/extensions and move the file "logmeinsounddriver64.kext" to your Desktop, then restart your computer.

https://discussions.apple.com/thread/5614486

Journaling On A HFS+ Drive Using Linux

Terminal:~$

sudo apt-get install hfsplus hfsprogs
sudo fsck.hfsplus /dev/sdXY
sudo mount -o force /dev/sdX /your/mount/point
sudo mount -o remount,rw,force /mount/point

See here, here, here, here

http://sourceforge.net/projects/linux-hfsplus/

https://packages.debian.org/sid/hfsprogs

https://help.ubuntu.com/community/hfsplus

http://askubuntu.com/questions/491171/how-to-make-sure-hfs-drive-is-writeable

http://askubuntu.com/questions/508339/problems-with-a-hfs-hdd-on-ubuntu-server-14-04

https://wiki.debian.org/MacBook

http://unix.stackexchange.com/questions/151649/usb-hdd-not-working-on-linux

Dashboard

The Dashboard is activated by pressing F12, however it is always running in the background hogging resources, so to permanently disable it undertake the following.

Terminal:~$

defaults write com.apple.dashboard mcx-disabled -boolean YES
killall dock

To revert the behaviour run again changing YES for NO, followed by 'killall dock'.

User Profiles From Appearing On The Log In Screen

NOTE: Applies to Yosemite (10.10 and newer).

Terminal:~$

sudo dscl . create /Users/hideuser IsHidden 1

To revert the change:

Terminal:~$

sudo dscl . create /Users/hideuser IsHidden 0

Where 'hideuser' is the name of the profile to be hidden.
Reboot the system after either change to enable it.

This also hides the user from the Fast User Switching menu and login and logout menus.

The account can still be accessed through SSH, screen sharing, remote login and GUI login panels.

Thanks to OS X Daily.

HOWTO: FIX:

Download temporarily unavailable

If you ever get a second hand mac and wipe the disk to start again, etc., make sure you write down the Apple ID details of the original user, so that you can sign into it before reinstalling os x.

Otherwise, Apple will throw you a highly ambiguous error message, "Download temporarily unavailable".

Grant File Access" Errors with MS Office 2016 (365)

Loss of Stationery in Mail After Upgrading to Mojave

https://apple.stackexchange.com/questions/327300/how-to-get-stationery-back-in-apple-mail-on-macos-mojave

Unable to Install System Update

Terminal

sudo -s
softwareupdate -i -a

Reboot

Blank Samba Folders Or Cannot Connect To File Share

Finder > Go To Folder > cifs://ip.address.of.server

NOTE: This will not work, but then close that window and try your other shortcuts or shares again, they should now work.

Black Screen Of Death (on start up)

https://discussions.apple.com/thread/7051661?start=0&tstart=0

Thumbnail Previews Not Working In Finder

Open a terminal:

Method One:

qlmanage -r cache # reset cache

Method Two:

qlmanage -r # delete and rebuild cache

System Shutting Down Part Way Though Boot Up Sequence

https://support.apple.com/en-us/HT201295

https://support.apple.com/en-us/HT204063

https://support.apple.com/en-us/HT201262

Slow/Dropping Wi-Fi (Sierra)

If you are using macOS Sierra (either out-of-the-box or after upgrading) and you are experiencing slow Wi-Fi speeds or dropping connection, deleting the Wi-Fi preferences may help. Finder use the Go to Folder command (Command + Shift + G):

/Library/Preferences/SystemConfiguration/

Delete (after backing them up) the following files:

com.apple.airport.preferences.plist
com.apple.network.identification.plist
com.apple.wifi.message-tracer.plist
NetworkInterfaces.plist
preferences.plist

Reboot the Mac and if possible the modem or router.

Thanks to OSX Daily, more tips available.

Thunderbolt Adapter For Network Not Working

Delete all network connections, reboot and then re-add them.

Blank Samba Folders Or Cannot Connect To File Share

Finder > Go To Folder > cifs://ip.address.of.server

NOTE: This will not work, but then close that window and try your other shortcuts or shares again, they should now work.

HOWTO: MODIFY:

Hidden Speed Tweaks

Forbidden Commands to Speed Up macOS

Change the Log Out text

sudo defaults write /Library/Preferences/com.apple.loginwindow LoginwindowText "Get your filthy hands off me you damn, dirty ape."

Change the name of your macOS user account and home folder

https://support.apple.com/en-us/HT201548

Sound Output

System Preferences > Sound > Output

Screen Shot Format

Where jpg is the format you want, or substitute with bmp gif etc as required:

Terminal:~$

defaults write com.apple.screencapture type jpg

Logging out and in is required to activate the change.

Primary Host Name

The fully qualified hostname will look something like this: mymac.domain.com

In the following <new host name> is replaced by the new name for the machine:

Terminal:~$

sudo scutil --set HostName <new host name>
dscacheutil -flushcache

Finally restart the machine.

Bonjour Host Name

Where <new host name> is replaced by the new name for the machine:

Terminal:~$

sudo scutil --set LocalHostName <new host name>
dscacheutil -flushcache

Finally restart the machine.

Computer Name

Where <new name> is replaced by the new name for the machine:

Terminal:~$

sudo scutil --set ComputerName <new name>
dscacheutil -flushcache

Finally restart the machine.

HOWTO: GENERAL:

Keyboard Shortcut - Force Quit

In the way that MS Windows has CTRL+ALT+Delete to open Task Manager macOS the Force Quit Applications. Press the following three keys together to open Force Quit Applications:

Option, Command, and Esc (Escape)

Create Shortcut on Desktop to Server Share

Finder > Go > Connect To Server > smb://192.168.0.1/shared
Finder > Preferences > General > Show these items on desktop > Connected Servers
Desktop > Select Server Icon > Finder > Make Alias

Move iOS Backups

https://www.imore.com/how-move-your-iphone-or-ipad-backups-external-hard-drive

Prepare Your Mac For Sale

https://www.imore.com/how-to-prepare-mac-for-sale

Recover Your Apple ID

https://iforgot.apple.com

Startup Key Combinations

To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your Mac, or immediately after your Mac begins to restart. Keep holding until the described behavior occurs.

Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the Internet. macOS Recovery installs different versions of macOS, depending on the key combination you use while starting up. If your Mac is using a firmware password, you're asked to enter the password.

Option (⌥): Start up to Startup Manager, which allows you to choose other startup disks or volumes, if available. If your Mac is using a firmware password, you're asked to enter the password.

Option-Command-P-R: Reset NVRAM or PRAM. If your Mac is using a firmware password, it ignores this key combination or starts up from macOS Recovery.

Shift (⇧): Start up in safe mode.

D: Start up from the built-in Apple Hardware Test or Apple Diagnostics utility, depending on your Mac model. Or use Option-D to start up from this utility over the Internet.

N: Start up from a compatible NetBoot server, if available. To use the default boot image on the NetBoot server, hold down Option-N instead. Computers that have the Apple T2 Security Chip don't support this startup key.

Command-S: Start up in single-user mode. This key combination requires macOS High Sierra or earlier.

T: Start up in Target Disk Mode.

Command-V: Start up in verbose mode.

Eject (⏏) or F12 or mouse button or trackpad button: Eject removable media, such as an optical disc.

https://support.apple.com/en-us/HT201255

Run Apple Hardware Diagnostics

Shut down > Power Off
Power On + D key

The test will usually take about 3 minutes.

https://support.apple.com/en-gb/HT202731

Start In To Safe Mode/Boot

Shut down the computer, if you laptop does not have a removable battery do this by holding the power button for 10 seconds
Give things time to settle, twenty to thirty seconds should do fine
Start the computer then hold down the shift key once the start up tone has played
Release the Shift key when the grey Apple logo and progress indicator appear
At the point where the screen goes dark and the cursor appears type the first letter of the username for your computer, then hit Enter, then type your password, then hit Enter.
At this point you should see the spinning beach ball and be in safe mode
To check you are in Safe Mode, go to About This Mac > System Report > Software > Boot Mode = Safe

Check Hard Drive Health with Disk Utility

Disk Utility > First Aid > Run > Yes to Lock

http://osxdaily.com/2012/05/24/check-hard-drive-health-mac-disk-utility/

Check Hard Drive Health with Command Line

sudo -s
diskutil verifyVolume /

http://osxdaily.com/2014/01/27/verify-disk-command-line-mac-os-x/

Repair Hard Drive Problems with Command Line

sudo -s
diskutil repairvolume /

http://osxdaily.com/2014/01/27/verify-disk-command-line-mac-os-x/

Check System Console Messages for Errors

Utilities > Console > Press the Info button

Reset the System Management Controller SMC

https://support.apple.com/en-us/HT201295

Reset the NVRAM

https://www.macworld.com/article/2881177/macs/how-to-reset-your-macs-nvram-pram-and-smc.html

Install/Reinstall OS

https://support.apple.com/en-us/HT201314

Create USB Installer

10.13 - High Sierra

10.14 - Mojave

10.15 - Catalina

Boot From USB / Optical Drive

Hold down the Option (or as it is otherwise know by the rest of the world the ALT) key, then turn on and keep holding until the Startup Manager appears. You may need to wait a minute or so before the Startup Manager recognises and shows a disc in the optical drive.

Thanks to Apple Support

Create A Shortcut To A Server

Sidebar Shortcut

Make sure you are connected to the file server.
Display the folder you want to create a shortcut for.
Drag the folder from the Finder window contents section to the window's Sidebar.
Sidebar icons can be placed in any order you wish. When dragging the icon to the sidebar a blue line will indicate where the icon will be placed when you release the mouse.
To reconnect, simply click once on the icon.
Note: If you haven't already authenticated/logged into your computer, you will be prompted for your log in name and password.

Dock Shortcut

Make sure you are connected to the file server.
Display the folder you want to create a shortcut for.
Drag the folder from the Finder window contents section to Dock.
When placing items in the Dock, they need to be placed:
To the RIGHT of the divider line that separates applications from the Trash and other document and folder icons, if the Dock is on the bottom of the screen;
UNDER the divider line that separates applications from the Trash and other document and folder icons, if the Dock is on the left or right side of the screen;
When dragging the icon to the Dock a space will "open up" for the icon to indicate where the icon will be placed when you release the mouse.
To reconnect, simply click once on the icon.
Note: If you haven't already authenticated/logged into your computer, you will be prompted for your log in name and password.

Desktop Shortcut

Make sure you are connected to the file server.
Display the folder you want to create a shortcut for.
Drag the folder icon to your Desktop.
To reconnect, double click on the icon.
Note: If you haven't already authenticated/logged into your computer, you will be prompted for your log in name and password.

Become Root

sudo su

Find Application Files

mdfind -name [application name]

Network Interface IP Address

ifconfig | grep inet

Ping With Timestamp

ping host | perl -nle 'print scalar(localtime), " ", $_'

Thanks - https://stackoverflow.com/questions/10679807/how-do-i-timestamp-every-ping-result

Use Wireless Diagnostics (Sierra ?)

Choose Apple menu > System Preferences, then click Network.
Click “Assist Me,” click Diagnostics, then follow the on-screen instructions.

Or, if you are connected to the wireless network you are having issues with:

Quit all open programmes
Hold down the Option key, click the Wi-Fi status icon in the menu bar, then choose Open Wireless Diagnostics.
Enter your user name and password, click OK, then click Continue.
Follow the on-screen instructions to analyse the network connection.

Remove Wireless Networks

prune-mac-wifi-networks.sh Shell Script

Take A Screen Shot

Entire screen - CMD+Shift+3
Portion of screen - CMD+Shift+4 the cursor changes to cross hair click and drag over required area
Open window - CMD+Shift+4 then press space bar, move the mouse over the desired window and click once
Save to clipboard - CMD+CTRL+Shift+3 for the entire screen or CMD+CTRL+Shift+4 for an open window, once done you can then paste the image as require
Applications - Utilities - Grab a tool to do the job

Screen shot files (not sent to the clipboard) are saved to the desktop.

Thanks to Wikihow.com

Lock Screen By Keyboard Shortcut

Older machines with optical drive - Control-Shift-Eject
Newer machines without optical drive - Control-Shift-Power

To Put To Sleep

Older machines with optical drive - Command-Option-Eject
Newer machines without optical drive - Command-Option-Power

Open An Un-cooperative File

For example if OS X is refusing to open what you know is a text file, open Finder and locate the file, open the program that will handle the text file. Then while hold down the 'Option (ALT)' and 'Cmd' key drag the file from Finder on to the program.

Burn An ISO File

Insert a blank disc.
Start Disk Utility (/Applications/Utilities/).
File menu, choose 'Open Disk Image' then browse and select the ISO to be burned.
In the volumes listing there will be an item representing the ISO file, select it.
Click the 'Burn' button and follow the instructions.

Start In To Safe Mode/Boot

Shut down the computer, if you laptop does not have a removable battery do this by holding the power button for 10 seconds
Give things time to settle, twenty to thirty seconds should do fine
Start the computer then hold down the shift key once the start up tone has played
Release the Shift key when the grey Apple logo and progress indicator appear
At the point where the screen goes dark and the cursor appears type the first letter of the username for your computer, then hit Enter, then type your password, then hit Enter.
At this point you should see the spinning beach ball and be in safe mode
To check you are in Safe Mode, go to About This Mac > System Report > Software > Boot Mode = Safe

Install/Reinstall OS

https://support.apple.com/en-us/HT201314

Create USB Installer

10.13 - High Sierra

10.14 - Mojave

10.15 - Catalina

Remove Or Change CoreStorage Partition

http://awesometoast.com/yosemite-core-storage-and-partition-woes/

Boot From USB / Optical Drive

Hold down the Option (or as it is otherwise know by the rest of the world the ALT) key, then turn on and keep holding until the Startup Manager appears. You may need to wait a minute or so before the Startup Manager recognises and shows a disc in the optical drive.

https://support.apple.com/en-gb/HT201663

https://support.apple.com/en-gb/HT202796

Create A Shortcut To A Server

Sidebar Shortcut

Make sure you are connected to the file server.
Display the folder you want to create a shortcut for.
Drag the folder from the Finder window contents section to the window's Sidebar.
Sidebar icons can be placed in any order you wish. When dragging the icon to the sidebar a blue line will indicate where the icon will be placed when you release the mouse.
To reconnect, simply click once on the icon.
Note: If you haven't already authenticated/logged into your computer, you will be prompted for your log in name and password.

Dock Shortcut

Make sure you are connected to the file server.
Display the folder you want to create a shortcut for.
Drag the folder from the Finder window contents section to Dock.
When placing items in the Dock, they need to be placed:
To the RIGHT of the divider line that separates applications from the Trash and other document and folder icons, if the Dock is on the bottom of the screen;
UNDER the divider line that separates applications from the Trash and other document and folder icons, if the Dock is on the left or right side of the screen;
When dragging the icon to the Dock a space will "open up" for the icon to indicate where the icon will be placed when you release the mouse.
To reconnect, simply click once on the icon.
Note: If you haven't already authenticated/logged into your computer, you will be prompted for your log in name and password.

Desktop Shortcut

Make sure you are connected to the file server.
Display the folder you want to create a shortcut for.
Drag the folder icon to your Desktop.
To reconnect, double click on the icon.
Note: If you haven't already authenticated/logged into your computer, you will be prompted for your log in name and password.

HOWTO: DOCK:

Enable 2D Look & Feel

defaults write com.apple.dock no-glass -bool true

To revert the behaviour run again changing true to false

Make Hidden Items Icons Translucent

 defaults write com.apple.Dock showhidden -bool YES

To revert the behaviour run again changing YES to NO

Change Delay When Showing and Hiding the Dock

defaults write com.apple.Dock autohide-delay -float 0 && killall Dock

The above removes any delay.

HOWTO: FINDER:

Prevent A User's Directory From Being Visible In Finder

NOTE: Applies to Yosemite (10.10 and newer).

Running the following command moves the home directory to /var, a hidden directory:

Terminal:~$

sudo mv /Users/hiddenuser /var/hideuser

The following command updates the user record of "hiddenuser" with the new home directory path in /var:

Terminal:~$

sudo dscl . -create /Users/hideuser NFSHomeDirectory /var/hiddenuser

The following command removes the Public Folder share point for the user with the long name "Hide User”:

Terminal:~$

sudo dscl . -delete "/SharePoints/Hide User Public Folder"

Where 'hideuser' is the name of the profile to be hidden.
Reboot the system after either change to enable it.

Browse Outside Of Your Own User Profile

Open Finder
Use the keyboard combination 'Shift+CMD+G' to open the 'Go to the folder:' window
Typing / in the box provided will take you to the root of the drive

Display Hidden Files

Method One

Terminal:~$

defaults write com.apple.finder AppleShowAllFiles -bool YES

To revert the behaviour run again changing YES to NO

Method 2

http://ianlunn.co.uk/articles/quickly-showhide-hidden-files-mac-os-x-mavericks/

Display The File Path

Terminal:~$

defaults write com.apple.finder _FXShowPosixPathInTitle -bool YES

To revert the behaviour run again changing YES to NO

Search Foo

http://richardleggett.co.uk/blog/2008/12/07/improve_osx_searches/

http://www.mcelhearn.com/spotlights-secret-search-syntax/

http://www.macosxtips.co.uk/index_files/12-tips-for-finder-in-Mac-OS-X-Lion.php

HOWTO: Keyboard Shortcuts:

Delete = CMD+backspace
Spotlight = CMD+Spacebar
Hash key = Alt+3

Keyboard mappings using a PC keyboard on a Macintosh

HOWTO: Terminal

List All Network Interfaces

networksetup -listallhardwareports

Tree Command

alias tree="find . -print | sed -e 's;[^/]*/;|____;g;s;____|; |;g'"

Show Kernel Routing Table

sudo netstat -nr

Install Package

sudo installer -pkg Whatever.pkg -target /

CLI Aliases

Unlike Linux OS X does not provide a user with their own aliases file, so you will need first to create one.

Terminal:~$

nano .bash_profile

This will open a blank file, create your alias:

alias ll='ls -lah'
alias la='ls -A'
alias l='ls -CF'
alias ping='ping -c3'
alias pingg='ping -c3 www.google.co.uk'
alias update='sudo softwareupdate -i -a'
alias hg='history |grep'

CTRL+O to write to the file, press enter then CTRL+X to exit.

To load the new alias profile:

Terminal:~$

source ~/.bash_profile

To confirm the entries:

Terminal:~$

alias

This will then display all the aliases entered in the bash_profile file.

Dates

Terminal:~$

plus 3 weeks:
date -v +3w

minus 3 weeks:
date -v -3w 

plus 3 weeks and 2 days:
date -v +3w -v +2d

Location

Open Finder
Open Utilities folder, Terminal is inside.

Or

Spotlight >> Terminal

Processes

List All

Terminal:~$

ps -ax

This will list all the running processes, potentially two to three hundred of them.

Find Specific Process

Terminal:~$

ps -ax | grep <name of application>

ps -ax | grep Lightroom

The returned result will show the process ID number (the first set of numbers after the original command) as well as the folder from which the programme was launched.

ps -ax | grep Lightroom 14530 ?? 0:42.18 /Applications/Lightroom.app/Contents/MacOS/Lightroom -psn_0_8108250 14947 ttys000 0:00.00 grep Lightroom

Stop A Process

Terminal:~$

kill 14530

or

kill Lightroom

Thanks to Chris Writes.

System Updates

Find Updates

sudo softwareupdate --list

Install Specific Update

sudo softwareupdate -v -i iTunesXPatch-12.3.1

Download Not Install Specific Update

sudo softwareupdate -d iTunesXPatch-12.3.1

Cancel Update

sudo softwareupdate -e

Ignore Specific Software

sudo softwareupdate --ignore JavaForOSX

Update All Software

sudo softwareupdate -i -a -v

Turn on or off automatic background check

sudo softwareupdate --schedule on
sudo softwareupdate --schedule off

Help

sudo softwareupdate -h

Thanks - http://www.cyberciti.biz/faq/apple-mac-os-x-update-softwareupdate-bash-shell-command/

Using

As with many other *nix systems in the terminal 'sudo' is used to do things as root.

HOWTO: PRINTING:

Brother Inkjet Printer Duplex Mode

In your chosen application:

File | Print | Copies & Pages | Select the 'Layout' option
Under 'Two-Sided' select either 'Long-Edge binding' or 'Short-Edge binding' depending on the orientation of you paper

Follow the settings from there.

NOTE: The settings will not be retained between print jobs. There may be a way around this but I don't have a Mac to experiment on.

INFO:

If your Mac beeps during startup

https://support.apple.com/en-us/HT202768

TCP And UDP Ports Used By Apple Software Products

Apple Support

OS X and macOS Code Names and Dates

OS X 10 beta: Kodiak - 13 September 2000
OS X 10.0: Cheetah - 24 March 2001
OS X 10.1: Puma - 25 September 2001
OS X 10.2: Jaguar - 24 August 2002
OS X 10.3 Panther (Pinot) - 24 October 2003
OS X 10.4 Tiger (Merlot) - 29 April 2005
OS X 10.4.4 Tiger (Chardonnay)
OS X 10.5 Leopard (Chablis) - 26 October 2007
OS X 10.6 Snow Leopard - 28 August 2009
OS X 10.7 Lion (Barolo) - 20 July 2011
OS X 10.8 Mountain Lion (Zinfandel) - 25 July 2012
OS X 10.9 Mavericks (Cabernet) - 22 October 2013
OS X 10.10: Yosemite (Syrah) - 16 October 2014
OS X 10.11: El Capitan (Gala) - 30 September 2015
macOS 10.12: Sierra (Fuji) - 20 September 2016
macOS 10.13: High Sierra (Lobo) - 25 September 2017
macOS 10.14: Mojave (Liberty) - 24 September 2018

Uninstall Protected Apps

The likes of GarageBand etc

http://freemacsoft.net/appcleaner/

Email Mail Settings Lookup

https://www.apple.com/uk/support/mail-settings-lookup/

Software Compatibility Lookup

https://roaringapps.com/apps

Determining battery cycle count for Mac notebooks

https://support.apple.com/en-gb/HT201300

How to identify MacBook Pro models

https://support.apple.com/en-gb/HT201300

MacBook Pro: How to remove or install the battery

https://support.apple.com/en-us/HT3053

How to set up your Apple wireless mouse, keyboard, and trackpad

https://support.apple.com/en-us/HT201178

MacBook Pro Support

https://www.apple.com/support/macbookpro/

MacBook Pro (Early 2008 and Late 2008) - Technical Specifications

https://support.apple.com/kb/SP4?viewlocale=en_US&locale=en_US

Package Updates

Not all of the installed applications in OS X can be updated via the command line or by downloading the update manually.

The App Store for OS X 10.6.6 onwards was introduced in January 2011 and can be used to update packages such as iPhoto, iMovie etc.

Domain Environment

NoMAD AD for macOS

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OS X: Fixes Hints Tweaks and Tips

HOWTO: INSTALL:

Application from Command Line

Homebrew

Telnet

FTP

L2TP / IPsec VPN

A Scanner In Yosemite

Hackintosh - Unsupported Systems - Mojave

HOWTO: ENABLE:

Mount NTFS External Drive

Always Show Scroll Bars

Dock Tweaks

Fast User Switching

Enable SSH

Read/Write To Ntfs Formatted Drives

CUPS Web Interface

FileVault - Drive Encryption

HOWTO: DISABLE:

Automatic Updates

Handoff

Recently Used Programmes Section On Dock

System Integrity Protection

LogMeIn Remote Sound Driver

Journaling On A HFS+ Drive Using Linux

Dashboard

User Profiles From Appearing On The Log In Screen

HOWTO: FIX:

Download temporarily unavailable

Grant File Access" Errors with MS Office 2016 (365)

Loss of Stationery in Mail After Upgrading to Mojave

Unable to Install System Update

Blank Samba Folders Or Cannot Connect To File Share

Black Screen Of Death (on start up)

Thumbnail Previews Not Working In Finder

System Shutting Down Part Way Though Boot Up Sequence

Slow/Dropping Wi-Fi (Sierra)

Thunderbolt Adapter For Network Not Working

Blank Samba Folders Or Cannot Connect To File Share

HOWTO: MODIFY:

Hidden Speed Tweaks

Change the Log Out text

Change the name of your macOS user account and home folder

Sound Output

Screen Shot Format

Primary Host Name

Bonjour Host Name

Computer Name

HOWTO: GENERAL:

Keyboard Shortcut - Force Quit

Create Shortcut on Desktop to Server Share

Move iOS Backups

Prepare Your Mac For Sale

Recover Your Apple ID

Startup Key Combinations

Run Apple Hardware Diagnostics

Start In To Safe Mode/Boot

Check Hard Drive Health with Disk Utility

Check Hard Drive Health with Command Line

Repair Hard Drive Problems with Command Line

Check System Console Messages for Errors

Reset the System Management Controller SMC

Reset the NVRAM

Install/Reinstall OS

Create USB Installer

Boot From USB / Optical Drive

Create A Shortcut To A Server

Become Root

Find Application Files

Network Interface IP Address

Ping With Timestamp

Use Wireless Diagnostics (Sierra ?)

Remove Wireless Networks

Take A Screen Shot

Lock Screen By Keyboard Shortcut

To Put To Sleep

Open An Un-cooperative File

Burn An ISO File