Tag Archives: Macintosh

Mac – Diagnosing Boot Issues

Posted on November 19, 2018 by

I recently came across a useful post to help diagnose when a mac doesn’t boot properly. For the full link see: https://eclecticlight.co/2018/09/18/diagnosing-a-mac-which-cant-complete-booting/ Here is the extracted diagram:

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MacOS – Creating a clean initial image

Posted on July 24, 2018 by

To create a “clean” image – Basic goal – you don’t want anything except the basic MacOS installed. So be certain that the mac serial number is not scoped to a JAMF pre-stage enrollment. You don’t want JAMF to install … Continue reading →

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Mac – Reset SMC for slowness or wake/sleep issues

Posted on July 17, 2018 by

The SMC (System Management Controller) controls a number of things related to power management on a mac. If it isn’t working properly it can cause fans to run, the cpu to run slow, and/or, the mac not to wake from … Continue reading →

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Mac – Tool to help download specific macos installers

Posted on July 11, 2018 by

It isn’t always easy to get all of the right pieces for a particular MacOS update/install.  For example, if you are running MacOS 10.13.5 already the traditional ways of going to the Map App Store or doing system updates won’t … Continue reading →

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Mac – 10.13.4 – Wipe and clean install of OS

Posted on May 10, 2018 by

On a mac that is already running 10.13.4 and that has an APFS drive you can wipe the drive and reinstall the OS without having to boot to anything external, external drive or netboot. Get the MacOS 10.13.4 (or better) … Continue reading →

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Mac – JAMF – Command to delete computer on JSS

Posted on April 30, 2018 by

Commands to remove JAMF management and client from local computer: (you must remove the the MDM management profile BEFORE deleting the JAMF client) jamf removeMDMProfile jamf removeFramework   Command to remove a computer from the JSS: set JSSMAC=$(networksetup -getmacaddress en0) … Continue reading →

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Mac High Sierra – Imaging APFS formatted disks

Posted on April 6, 2018 by

Back when High Sierra (MacOS 10.13) was coming out we were all told that disk imaging would be dead because of the new APFS disk format.  And, while It is true that you can not/should not apply a High Sierra … Continue reading →

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Mac – Create a NetBoot image

Posted on March 23, 2018 by

To “netboot” a mac, you need to setup a netboot server AND create a netboot image that is capable of running on the macs that you plan to netboot. For a NetBoot server see: https://github.com/jamf/NetSUS/tree/master/docs To create a netboot image: … Continue reading →

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Mac OS – High Sierra – Run installer from command

Posted on March 21, 2018 by

The High Sierra installer not only installs the new OS but it also changes the disk format form HFS to APFS on SSD drives.  Additionally, it does the required firmware updates for the model of mac that the installer is … Continue reading →

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Mac – Burning ISO to USB disk – use Etcher

Posted on November 16, 2017 by

A great little tool to burn ISOs to external USB disks: Etcher Use Disk Utility to format the external as Fat 32 (may have to format as Mac OS first). If Etcher doesn’t see the drive at first, use the … Continue reading →

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