• Sep 21, 2007 Screenshot of a Mac OS X desktop with a mounted DMG file’s icon. DMG stands for Disk Image, and is a format commonly used to distribute files and applications among Apple computers. A DMG file is like a virtual DVD or hard drive. They can be “mounted” on your Mac in order to work with their contents.
  • If you have not yet installed Apple's Java macOS 2012-006 update, then you are still using a version of Apple Java 6 that includes the plug-in and the Java Preferences application. There is an important difference about the installation of Oracle Java (both JRE and JDK) that you should be aware of.
  1. Installing Dmg On Mac From Terminal 4
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  3. Installing Dmg On Mac From Terminal Download

Are you trying to make a bootable installer? Do you have the El Capitan installer downloaded from the App Store? You cannot make a bootable DVD but you can make a bootable flash drive.


So be cautious.Explanation of process:. Centos convert dmg to iso

Bootable USB Installers for OS X Mavericks, Yosemite, El Capitan, and Sierra

Dec 16, 2019 Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions. Learn more For more information about the createinstallmedia command and the arguments that you can use with it, make sure that the macOS installer is in your Applications folder, then enter this path in Terminal. Mar 03, 2018 Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the efficacy of any proposed solutions on the community forums. Mar 03, 2018  Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the efficacy of any proposed solutions on the community forums.


First, review this introductory article: Create a bootable installer for macOS. Second, see this How To outline for creating a bootable El Capitan installer. Simply replace the Terminal command with the one from the preceding article by copying it into the Terminal window. You will need an 8GB or larger USB flash drive that has been partitioned and formatted for use with OS X.


Drive Partition and Format

  1. Open Disk Utility in the Utilities' folder.
  2. After Disk Utility loads select the drive (out-dented entry with the mfg.'s ID and size) from the side list.
  3. Click on the Erase tab in the Disk Utility toolbar. Name the drive, 'MyVolume'. <---- IMPORTANT!
  4. In the drop down panel set the partition scheme to GUID. Set the Format type to Mac OS Extended (Journaled.)
  5. Click on the Apply button and wait for the Done button to activate. When it does click on it.
  6. Quit Disk Utility.


Create Installer

Open the Terminal in the Utilities' folder. Choose the appropriate command line (in red) depending upon what OS X installer you want. Paste that entire command line from below at the Terminal's prompt:


Command for macOS High Sierra:

sudo /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install macOS High Sierra.app

Command for macOS Sierra:

sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install macOS Sierra.app

Command for El Capitan:

sudo /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X El Capitan.app

Command for Yosemite:

sudo /Applications/Install OS X Yosemite.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X Yosemite.app

Command for Mavericks:

sudo /Applications/Install OS X Mavericks.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X Mavericks.app


Press RETURN. You will be asked for your admin password. It will not echo to the Terminal window. Then press RETURN again. Wait for the return of the Terminal prompt signifying the process has completed. It takes quite some time to finish. Be patient.

Installing dmg on mac from terminal 4

Mar 3, 2018 7:47 PM

youtube-dl is an Open Source command line tool that lets you download video from YouTube (and many other videos sites). It’s often considered better than those paid video downloaders. In our previous article, we saw how to use youtube-dl to download videos on Android terminal. Even Windows has a YouTube GUI client, there are no such resources available for macOS. So, in this article, we’ll give you a walkthrough on how to install youtube dl on mac. Let’s begin.

Read: 5 best ways to Password Protect folders on mac

youtube-dl Installation

1. To install, youtube-dl, you need to install Wget first. And in order to install Wget, you need to install homebrew first. So, copy paste the following command on your Mac’s terminal (press cmd + space and type in terminal). Once you run the following command, you Mac will download Homebrew master file from Github. You may have to enter your Mac’s password several times. The whole process will take 10-15 minutes depending on your Internet speed.

2. Once you have downloaded Homebrew, you are ready to install Wget. Type in the following command and also enable OpenSSL for TLS support.

Installing Dmg On Mac From Terminal 4

3. Now that we have Wget to download packages from the internet, we will use it to download and install Youtube-dl package. Type in the following command and press enter.

4. You have now successfully installed youtube-dl on your Mac, however, it won’t work yet. To check you can type youtube-dl on your terminal and it’ll throw a permission error. To fix this, you need to give the right permissions, type in the following command and press enter.

5. And that’s it, now you should be able to download YouTube videos (or any videos from youtube-dl supported sites) by simply typing youtube-dl [video-link]. For example, to download one of my videos from YouTube, I’ll type in the following command.

Installing Dmg On Mac From Terminal 3

youtube-dl https://youtu.be/LxTcvc4cgCY

6. You can find the downloaded video in your home folder on your mac. To bring up the home folder simply go to Finder > Go > Home or press the keyboard shortcut CMD + Shift + H.

Installing Dmg On Mac From Terminal Download

Must Read: 10 Free macOS apps to boost your Productivity

Download 1080p video using FFmpeg

By default, FFmpeg will download the second highest resolution. You may have to install FFmpeg to get the highest quality video. Without FFmpeg, you will likely get the second highest which in our case was 720p. To install FFmpeg, type in the following command.

brew install youtube-dl ffmpeg

Also Read: 5 ways to transfer files from mac to mac

Wrapping Up

So, this is how you use youtube-dl to download videos using your terminal. The app works exactly as advertised, yet not many people know about it. Anyway, if you wish to change your download location or download different resolution of the video, you can check out youtube-dl command line parameters on Github.

After that, TransMac will ask you where should the Program shortcut place. Select a destination folder where the TransMac should Install and click next. Create dmg file on dwodnows. On the Additional tasks don’t do anything and click next.