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GNS3 installation on MacOS X

This document explains how to install GNS3 using when a Mac OS X environment. You will learn how to:

Aug 02, 2017  New installation on a Mac running El Capitan 10.11.6 I have downloaded the iso and copied it to the desktop. Parallels can find the file, accepts the key(?), and begins to install the os, - displays 'Setup is starting'. Direct Download macOS / Mac OS X Installer images that can be used to create bootable USB or Install macOS freshly. Apple stopped providing Mac OS X Installer DVDs as they ditched DVD Rom for MacBooks, iMacs & MacPros. Apple Started Providing macOS Updates via App Store. There are no way to direct. Mac OS X Snow Leopard (10.6) and Mac OS X Leopard (10.5) Direct Download Links The following two disk images are the complete installer DVD in DMG format. The downloads come directly from Apple, and require an ADC login to access. How to Download Google Photos on PC or Mac. This wikiHow teaches you how to download your Google Photos to your computer using the Google Backup and Sync tool. Follow the on-screen instructions to complete the installation. Depending on your settings, you may have to restart your computer to finish the install. Setting up Google.

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  • Download the required software
  • Install the software

GNS3 supports OS X Lion (version 10.12) and later. GNS3 v2.1.9 is the last version that runs on OS X version 10.11 (El Capitan).

Follow these steps to download GNS3 to you MAC.

Using a web browser, browse to https://gns3.com and click the Free Download link:

If you have not already registered on the GNS3 site, create an account and then click Create Account & Continue:

Or, if you already have an account, click Login, fill in the your details and then click Login & Continue:

After login, you will be prompted to select the version of GNS3 to download. In this guide, we will select the Mac installation. Click the Download button to download the Mac OS X package.

GNS3 is distributed outside the Apple App Store. Due to this, you need to allow the installation of applications from anywhere.

Go to the Security & Privacy in System Preferences.

Click on the lock:

Select the Anywhere option under Allow apps downloaded from:

Click on the downloaded DMG and drag the GNS3 icon to the Applications folder:

Click on the Applications icon. Find the GNS3 icon and click it to start GNS.

NOTEMake sure GNS3 is installed in “Applications” to avoid any problem. It has been reported that the application may crash if launched from a path containing non-ascii characters.

If the following security warning is displayed (starting with OSX Sierra), click OK:

If the above security prompt was shown, right click on the GNS3 icon and click on Open:

This is required only at first launch. The next time you click on GNS3, the application will start normally as Mac OS X will remember the configured security settings.

Installer

NOTEUnlike for Windows and Linux versions of GNS3, the Mac version of GNS3 is not signed due to Apple restrictions.

NOTEIf OSX say the .dmg is damaged and even right click is not working you could need to temporary disable gatekeeper and renable it. This seem to reset a cache in the OS. https://www.tekrevue.com/tip/gatekeeper-macos-sierra/

Once GNS3 starts, you will be prompted to allow root uBridge. This is required to allow GNS3 to control your network. Click Yes:

You will prompted twice to enter your root password:

The GNS3 Setup Wizard will display:

Mac

You now need to make a decision and then you can return to this document to complete to create an initial GNS topology:

  • If you are unsure, click here
  • If you are going to only use Cisco IOS images, use the Local server and click here for instructions
  • If you are going to use IOSvL2, IOU, ASAv or create complex topologies, then use the GNS3 VM and click here for instructions.

What you need to install Windows 10 on Mac

  • MacBook introduced in 2015 or later
  • MacBook Air introduced in 2012 or later
  • MacBook Pro introduced in 2012 or later
  • Mac mini introduced in 2012 or later
  • iMac introduced in 2012 or later1
  • iMac Pro (all models)
  • Mac Pro introduced in 2013 or later

The latest macOS updates, which can include updates to Boot Camp Assistant. You will use Boot Camp Assistant to install Windows 10.

64GB or more free storage space on your Mac startup disk:

  • Your Mac can have as little as 64GB of free storage space, but at least 128GB of free storage space provides the best experience. Automatic Windows updates require that much space or more.
  • If you have an iMac Pro or Mac Pro with 128GB of memory (RAM) or more, your startup disk needs at least as much free storage space as your Mac has memory.2

An external USB flash drive with a storage capacity of 16GB or more, unless you're using a Mac that doesn't need a flash drive to install Windows.

A 64-bit version of Windows 10 Home or Windows 10 Pro on a disk image (ISO) or other installation media. If installing Windows on your Mac for the first time, this must be a full version of Windows, not an upgrade.

  • If your copy of Windows came on a USB flash drive, or you have a Windows product key and no installation disc, download a Windows 10 disk image from Microsoft.
  • If your copy of Windows came on a DVD, you might need to create a disk image of that DVD.

How to install Windows 10 on Mac

To install Windows, use Boot Camp Assistant, which is included with your Mac.

1. Use Boot Camp Assistant to create a Windows partition

Mac

Open Boot Camp Assistant, which is in the Utilities folder of your Applications folder. Then follow the onscreen instructions.

  • If you're asked to insert a USB drive, plug your USB flash drive into your Mac. Boot Camp Assistant will use it to create a bootable USB drive for Windows installation.
  • When Boot Camp Assistant asks you to set the size of the Windows partition, remember the minimum storage-space requirements in the previous section. Set a partition size that meets your needs, because you can't change its size later.

Custom Free Folder Images For Mac

2. Format the Windows (BOOTCAMP) partition

Free Images For Mac Computers

When Boot Camp Assistant finishes, your Mac restarts to the Windows installer. If the installer asks where to install Windows, select the BOOTCAMP partition and click Format. In most cases, the installer selects and formats the BOOTCAMP partition automatically.

3. Install Windows

Download Mac Os Iso Image

Unplug any external devices that aren't necessary during installation. Then click Next and follow the onscreen instructions to begin installing Windows.

4. Use the Boot Camp installer in Windows

After Windows installation completes, your Mac starts up in Windows and opens a ”Welcome to the Boot Camp installer” window. Follow the onscreen instructions to install Boot Camp and Windows support software (drivers). You will be asked to restart when done.

  • If the Boot Camp installer never opens, open the Boot Camp installer manually and use it to complete Boot Camp installation.
  • If you have an external display connected to a Thunderbolt 3 port on your Mac, the display will be blank (black, gray, or blue) for up to 2 minutes during installation.

How to switch between Windows and macOS

Restart, then press and hold the Option (or Alt) ⌥ key during startup to switch between Windows and macOS.

Learn more

If you have one of these Mac models using OS X El Capitan 10.11 or later, you don't need a USB flash drive to install Windows:

  • MacBook introduced in 2015 or later
  • MacBook Air introduced in 2015 or later3
  • MacBook Pro introduced in 2015 or later3
  • iMac introduced in 2015 or later
  • iMac Pro (all models)
  • Mac Pro introduced in late 2013

To remove Windows from your Mac, use Boot Camp Assistant, not any other utility.

For more information about using Windows on your Mac, open Boot Camp Assistant and click the Open Boot Camp Help button.

1. If you're using an iMac (Retina 5K, 27-inch, Late 2014) or iMac (27-inch, Late 2013) or iMac (27-inch, Late 2012) with a 3TB hard drive and macOS Mojave or later, learn about an alert you might see during installation.

2. For example, if your Mac has 128GB of memory, its startup disk must have at least 128GB of storage space available for Windows. To see how much memory your Mac has, choose Apple menu  > About This Mac. To see how much storage space is available, click the Storage tab in the same window.

3. These Mac models were offered with 128GB hard drives as an option. Apple recommends 256GB or larger hard drives so that you can create a Boot Camp partition of at least 128GB.