A shell script to build fancy DMGs. Status and contribution policy. This project is maintained thanks to the contributors who send pull requests, and now (Sep 2018) with the help of @aonez. To create an image from a folder, drag the folder onto the Disk Utility-icon, or choose 'New-Disk image' from folder in the File-menu in Disk Utility. A.dmg file can be a very easy way to send files from one Mac to another. Any Mac can mount and access the Disk Image on their computer.
An intrepid reader asked the following question:
How do you install a .dmg package from the command line?
Many applications are distributed as disk images, a compressed binary format. If you double click a disk image in the Finder, it is mounted automatically. Once mounted, installation of the application is typically done by dragging an icon to the Applications folder. The same can be accomplished from the command line using two commands,
hdiutil
and cp
. The following steps show the installation of a popular VNC client for OS X called 'Chicken of the VNC'. It can be used as a remote desktop client for Linux, Mac, or Windows hosts.
The download file is named 'cotvnc-20b4.dmg'. Best junk file cleaner for mac. Here are the steps needed to install it remotely from the command line.
note: this technique can be used from a local Terminal window or a remote SSH connection.
note: this technique can be used from a local Terminal window or a remote SSH connection.
Mount the disk image
The first step is to mount (or attach) the disk image. From the command line, use:
I received the following output:
hdiutil mount cotvnc-20b4.dmg
I received the following output:
A mounted disk image appears on the Desktop, in the Finder, and more importantly shows up as a directory in /Volumes. In this case, the last line of output from hdiutil showed exactly where the disk image was mounted.
Sometimes when a disk image is mounted, it will prompt you to agree to a license first. In that case, the text that would normally appear in a GUI dialog box instead appears in the Terminal window. Once you scroll to the bottom of the agreement, you can type in Y to continue or N to stop. The Firefox disk image is one example of a package that displays a license before mounting.
Install the application
Use the
cp
command to copy the application to /Applications:sudo cp -R '/Volumes/Chicken of the VNC/Chicken of the VNC.app' /Applications
The
-R
switch means to copy recursively, in other words, copy everything from that location including all subdirectories and files below. It is important to leave off the trailing '/' from the 'Chicken of the VNC.app' directory, or the command will not copy the directory itself, just the contents. https://yellowtricks400.weebly.com/blog/outlook-for-mac-download. After entering your password, the application will be installed and ready to use. Most applications can simply be copied to the /Applications directory. Adobe photoshop cc mac download. However, some are distributed in a .pkg format and must be installed using the
installer
command instead of cp
. To install a .pkg, use this command:sudo installer -package /path/to/package -target '/Volumes/Macintosh HD'
Unmount the disk image
To tidy up, return to your home directory and unmount the disk image:
cd ~
hdiutil unmount '/Volumes/Chicken of the VNC/'
Create Dmg By Command Line
You should see this message after the unmount:
'/Volumes/Chicken of the VNC/' unmounted successfully.
App To Dmg
![Create Dmg By Command Create Dmg By Command](/uploads/1/3/3/9/133912966/195369948.png)
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Installing applications from a .dmg package at the command line is not something you need to do every day. But it is a nice tool to have if you want to install an application on a remote server or script the installation of a package to a group of desktop Macs.