The platform known as Docker has become one of the most popular ways to run a new kind of software known as containerized apps. And while Docker's mainly aimed at programmer types, there are a few reasons why everyday Mac users might want it around as well.
What are containerized apps?
Containerized apps are tidy little packages of software that bundle nearly everything they need to run in a single, self-contained box.
Programmers can write an app once and know that it'll run anywhere, every time. Businesses get an efficient way to run lots of apps on a single server without straining their hardware. And users get apps that won't sprawl out and spread files into their hard drives' nooks and crannies, nor start hogging memory and slowing down the entire computer.
Docker Enterprise is the easiest and fastest way to use containers and Kubernetes at scale and delivers the fastest time to production for modern applications, securely running them from hybrid cloud to the edge. Over 750 enterprise organizations use Docker Enterprise for everything from modernizing applications to microservices and data science. Docker for Mac instead uses virtualization technology that is already part of Mac OS X: HyperVisor. Docker for Windows uses Microsoft’s virtualization technology, Hyper-V. These changes aim to make your Docker containers run faster than before, take up less disk space, and fit better into your operating system. Kitematic - The easiest way to use Docker on Mac. Fast and Easy Setup. Kitematic’s one click install gets Docker running on your Mac and lets you control your app containers from a graphical user interface (GUI).
How does Docker work?
Docker uses emulation to ensure that the same containerized app can run on any machine where Docker's installed. And because it emulates an operating system – usually some flavor of Linux, though you can also set it up to run enterprise versions of Windows – instead of actual chip hardware, it demands a lot less memory and processing power than traditional virtual machines like Parallels or VMware Fusion.
Unlike those apps, you can't use Docker to run Windows on your Mac – though you can run at least limited versions of Linux with it. And you can use Docker to run apps that weren't originally written for the Mac.
Once you fire up the easy-to-install Docker app, it runs in the background, and you can use the Terminal or another app called Kitematic (we'll get to that later) to install and run containerized apps.
Who is Docker for?
As mentioned above, Docker's mainly aimed at programmers who want to containerize existing apps or write new ones, and businesses and IT folks who want to use its industrial-grade software.
There are Docker versions of familiar desktop apps like Firefox, Chrome, Skype, Spotify, image editor GiMP, and audio editor Audacity. But most of these apps already have native Mac versions. Running them in containers only makes sense if you like the technical challenge, want to keep a single app from hogging all your system's memory, or want to ensure that any malware you might pick up while browsing the web stays stuck inside its container, unable to escape to the rest of your Mac.
As of this writing, the main reason I've found to run Docker on a Mac is Pi-hole, originally made for the Raspberry Pi. Pi-hole can automatically block Web ads across your entire home network, and Docker's the only way to get it working on a Mac without also having a Raspberry Pi.
How to install Docker on your Mac1. Create a Docker Hub account
Bioshock mac download. Docker Hub keeps track of the containers you're running (or creating) and provides a one-stop shop to find new ones. Sign up for a Docker account with a unique Docker ID, your email, and a strong password.
2. Download Docker Desktop for Mac
Once you've signed up and signed in to Docker Hub, get Docker Desktop for Mac. It's got everything you'll need to run Docker in one Mac-friendly installer. Your Mac needs to be running Mac OS Sierra or later, and have at least 4GB of RAM.
3. Install Docker Desktop on your Mac
Open the
docker.dmg file you downloaded, and drag the Docker app's cartoon whale icon into your Applications folder.
4. Open and run Docker
When you run the Docker app, a little whale icon will appear on the right side of the menubar atop your screen. It'll take a few minutes to get running, and Docker may ask your permission to use services on your computer. Super anti spyware for mac free download. The app will also prompt you to enter the Docker ID and password you just created.
When containers stop appearing and disappearing atop the little whale icon in the menubar, and you see a green dot at the top of the Docker menu next to 'Docker Desktop is running,' you're all set.
Consult the Preferences in the Docker menu to control how big a chunk of your hard drive Docker's allotted, and how much of your memory and CPU it's allowed to use, among other options.
5. Download and install Kitematic
Kitematic lets you install, manage, and remove your Docker containers from a single graphical interface — a lifesaver if you're not familiar or comfortable with the Terminal. You can install, and later open, Kitematic directly from the Docker app's menu:
Follow the link in that dialog box to install Kitematic. The app may ask for — you guessed it — your Docker ID and password again, just to keep track of your containers.
From Kitematic, you can search for and install new containers, and delete, edit, stop, or restart existing ones. If a container's running, Kitematic gives you an easy way to view its log files, which aren't readily visible from the Terminal. The interface is fairly intuitive, so feel free to play around and see what you can do.
In my tests, Kitematic came in most useful for deleting troublesome containers whose installation I'd somehow botched. Just find the container in the list on the left side of the Kitematic window, click the X icon next to it, and the container's gone completely, for good. You can always reinstall a package, either from the Terminal or by searching for it in Kitematic, and try again.
Where can I learn more about Docker for Mac?
Consult Docker for Mac's help files for more information about getting started, ways to test that your installation's up and running smoothly, and more things you can do with Docker. There's also a guide to teach you how to create your own containerized apps.
For less technically inclined folks, it's tough to find a good list of desktop apps that work with Docker. Docker Hub doesn't break desktop apps into their own category, but Jessie Frazelle compiled this list in 2015.
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Besides Pi-hole, do you have any favorite Docker containers that might benefit everyday Mac users? Ship them our way in the comments below.
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What is Docker?
Docker is an app for building, bugging and testing containerized apps. You can run Docker on a Mac, Windows, or Linux machines. It allows developers to do everything necessary from start to finish to create and ship containerized apps.
If you’ve downloaded it to try it out and have decided not to use it, you may need to uninstall it. Here, we’ll show you how to do it.
Check running processes first
There are several steps needed to uninstall Docker on your Mac. The first is to get rid of the application itself, but before that, check there are no currently running processes.
How to uninstall Docker manually
That removes Docker, or at least the main application. It doesn’t get rid of all the files that were installed along with it. So, you’ll need to track those down and remove them.
How to uninstall Docker with CleanMyMac X
Once you’ve removed all those files and trashed the Docker application, it should be completely uninstalled. If all of that seems like a lot of work, there is an easier way. By using a dedicated uninstaller, like the one in CleanMyMac X, you can uninstall multiple apps in a few clicks.
There is something else to bear in mind. If you think you might use Docker again, but have decided to uninstall it because it seems to be causing problems on your Mac, you could try resetting it. That way you won’t have to download Docker for Mac all over again. Resetting an app means removing all of its settings and preferences files so that when you next launch it, it starts up as if it was a brand new copy of the application. You might find that it solves the problem.
The easiest way to reset an app is to use CleanMyMac X. Here’s how to do it:
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Docker will now have reset and the next time you launch it all its settings and preferences will have returned to their default. So, you’ll need to set it up again from scratch, but any problems it was causing your Mac should be gone.
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Uninstalling Docker manually isn’t particularly difficult. But as you can see from the steps above, it’s time consuming and quite fiddly. You need to look in several different folders that are hidden away on your Mac. By far the easiest way to uninstall any app, is to use a dedicated uninstaller like the one in CleanMyMac X. However, before you uninstall it, you should consider resetting Docker, as that may well solve any problems you’ve been having. You can do that using CleanMyMac X too.
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