How to secure macOS – OSX & iOS Wi-Fi Network with recommended settings for Wi-Fi routers and access points

I will list down steps to secure your macOS & iOS Wi-Fi Network.


Step 01: First things first, Update you Macintosh, iPhone, iPad, iPod touch & even AirPort Express, Airport Extreme base stations for latest software using Mac App Store.


Step 02: Choose Unique & Safe SSID (Service Set Identifier) Wi-Fi network name

Wi-Fi network name is case sensitive. Choose a unique name for your network and that isn’t shared by other nearby networks. If your SSID isn’t unique, Wi-Fi devices will have trouble identifying your network. This could cause network device to fail to automatically connect to your network, or to connect to other networks sharing the same SSID.


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Creating single PDF by combining multiple image, pdf, png, jpg, jpeg files & documents using Preview on Mac OS X

Preview Macintosh OS X Application Image Editing Batch Processing

Here is simple solution to create single PDF by combining multiple files from various files types.


Assumption: I Assume you have 10 png files that you want to combine in to single PDF file.

Note: It really doesn’t matter if those 10 files have different height & width dimensions.

Here is how to do this:

Step 01: Locate & Open Preview in Applications folder on your Macintosh

Step 02: Select Preview now go to File > Open

Step 03: Select & Open all desired files in Preview


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How to use Disk Utility to partition Hard Disk / Solid State Disk Drive on Mac

Macintosh OSX Disk Utility


As Wikipedia Says: Disk Utility is a system utility for performing disk and disk volume-related tasks on the OS X operating system by Apple Inc.

Day to day functions supported by Disk Utility are:


  • Creation, conversion, backup, compression and encryption of logical volume images from a wide range of formats read by Disk Utility to .dmg or, for CD/DVD images, .cdr
  • Mounting, unmounting and ejecting external disk volumes
  • Enabling or disabling journaling
  • Verifying a disk’s integrity, and repairing it if the disk is damaged
  • Erasing, formatting, partitioning and cloning disks
  • Secure deletion of free space or disk using a “zero out” data, a 7-pass DOD 5220-22 M standard, or a 35-pass Gutmann algorithm
  • Adding or changing partition table between Apple Partition Table, GUID Partition Table and master boot record (MBR)
  • Restoring volumes from Apple Software Restore (ASR) images
  • Checking the S.M.A.R.T. status of a hard disk
  • Disk Utility functions may also be accessed from the OS X command line with the diskutil and hdiutil commands.

Now will learn how to partition disk,


Important Note:

  • Partitioning a disk erases all the data previously stored on it
  • By using partition feature of disk utility it divides disk into sections called ‘partitions’ which appear on the desktop as separate disks.


Precaution: Before moving forward backup all your computer data using Time Machine on different hard drive other than that you are currently partitioning.


Here is how to Partition a disk

Step 01: Connect External Disk to your Mac using USB / FireWire cable for purpose partitioning it

Step 02: Locate ‘Disk Utility App in Applications > Utilities


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Here is how to calibrate & maximise your Mac, Apple Watch, iPhone, iPad or iPod touch battery life & performance


What is Battery life?

Battery life is the amount of time your device runs before it needs to be recharged.

What is Battery lifespan?

Battery lifespan is the amount of time your battery lasts until it needs to be replaced.


General Performance Tips & Solutions


  • Update your Apple device to the latest software updates & operating system:
  • Apple software updates often include advanced energy-saving technologies, so always make sure your device is running with the latest version of iOS, OS X, or watchOS.


  • Avoid extreme ambient temperatures: Your device is designed to perform well in a wide range of ambient temperatures, with 62° to 72° F (16° to 22° C) as the ideal comfort zone. Avoid exposing your device to ambient temperatures higher than 95° F (35° C), which can permanently damage battery capacity.
    Apple Device iPhone iPad iPod touch Temprature Comfort Zone


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Apple Safari running slow, unable / can’t open pages here is how to fix this

If you are on your favourite Macintosh Computer using latest OSX Operating System 10.10 or 10.11 or greater & you are getting the feeling you Apple Safari web browser running slow or hanging for that matter from time to time.

Here are few steps that you can follow to fix your slow Safari Web browser.


First thing first: Close Safari & see it is not running in background


Step 01:

Check you have adequate free disk space on your ‘Macintosh HD’, Delete un necessary & not required data from your user folder & free up some disk space.

Macintosh HD Disk Utility Applications Maintainance


Step 02:


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How to change or upgrade time machine backup hard disk without loosing your old backups, In simple words how to transfer Apple Macintosh OSX Time Machine backups from a current backup drive to a new high storage capacity backup drive

Here is how to transfer backups from a current backup drive to a new high capacity backup drive

i.e. Here by learn how to transfer your existing Time Machine backups to a new drive in five simple steps.


Step 01: First check the format of your new backup drive

  1. Connect your new backup drive to your Mac.
  2. Open Disk Utility (located in the Utilities folder).
  3. In Disk Utility, select the new drive’s icon to make sure it has a GUID partition and is formatted as Mac OS Extended (Journaled). Reformat it with option Mac OSX Extended (Journaled) with a GUID partition. At this stage you can format your new backup drive with Mac OSX Extended (Journaled, Encrypted) to password protect your backup drive & there by safe guard your data. Remember & write down what encryption password you set this time for your drive.


Step 02: Set permissions on your new backup drive

  1. Open a new Finder window > in sidebar of your Finder window > click the icon of the new backup drive.
  2. Choose Get Info from the File menu.
  3. Make sure “Ignore ownership on this volume” at the bottom of the “Sharing & Permissions” section of the Get Info window is deselected (unchecked).


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How to open an Apple Mac OSX app from an unidentified developer using Finder App or using ‘Open anyway’ functionality in your System Preferences’ Security & Privacy Settings

If you are like mine using safe Macintosh’s OSX default settings to allow system to run & open app only from Third Party Identified OSX App Developers.

You may face problem something like this your Mac’s Security & Privacy preferences will not allow you to open app from Unidentified OSX App Developer.

If you navigate to System Preferences > Security & Privacy > General tab you will see something like this:


So how you will open that particular app that has been blocked by Security & Privacy Settings


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