Run X11 App In Mac

Here's how you can run the GIMP and other X11 applications full screen in Mac OS X Lion. Use Mission Control to create a new desktop space for your X11 applications to run on.

A package installer for X11 surfaced from X.Org, and a new third-party app named XDarwin made it easy to run X11 apps alongside OS X’s Aqua ones (or run X11 in its full-screen “rootless” mode). Example of X11 using KDE. X11 for Mac OS X 1.0 An implementation of the X Window System that makes it possible to run X11-based applications in Mac OS X. Based on the open source XFree86 project — the most common implementation of X11 — X11 for Mac OS X is compatible, fast, and fully integrated with Mac OS X.

X11 (also known as X Windows, or X forshort) is a Linux graphical windowing system. X was specifically designed tobe used over network connections rather than on an attached display device. Theconcept is similar to Microsoft's Remote Desktop, but it works on aprogram-by-program basis.

The instructions below are for connecting to Eniac using X11 forwarding.

Penn VPN software is required for all SSH connections fromnetworks that are outside of PennNet.

Before connecting to a machine on PennNet via SSH from an external network,you must install and run the University Client VPN software:

Run X11 App In Mac Os

Linux

SSH to Eniac using the -Y option (enables trusted X11 forwarding):

ssh -Y eniac.seas.upenn.edu

You can now start X11 GUI applications from the command line. For a quicktest, type the following command in your terminal to run the xeyesapplication:

xeyes

Mac OSX

X11 on OS X isprovided by XQuartz. Once you haveit installed and running, open a terminal and type:

ssh -Y eniac.seas.upenn.edu

You can now start X11 GUI applications from the command line. For a quicktest, type the following command in your terminal to run the xeyesapplication:

xeyes

Windows

Xming is therecommended application for X11 forwarding on Windows systems. You may alsoneed to install Xming-fontsin some application like Cadence.

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Using Xming and SecureCRT to connect to Eniac

If you are already using SecureCRT, this is the easiest way to do X11forwarding with Xming.

Install Xming and make sure it is running (you should see a black X icon in your taskbar).
In SecureCRT, edit the settings of your connection.
Navigate to Connection > Port Forwarding > Remote/X11.
Click the check beside 'Foward X11 packets'. Click OK.

That's it. As long as Xming is running in the background, X11 forwarding should work seamlessly.

Using Xming and XLaunch to connect to Eniac

Once Xming is installed, run XLaunch and select the display setting you want to use:
From the next menu choose to Start a program and click Next >.
Configure a remote connection to the server using'eniac.seas.upenn.edu' as the computer you want to connect to, andyour username in the 'Login as user' field. You can choose to leavethe password field blank - you will be prompted later. Click Next>.
In the 'Additional parameters for PuTTY or SSH' field, enter'-X -ssh -2' ((-X) will forward X11 Packets , (-ssh) will forceplink.exe to create a secure connection and (-2) will force plink.exe to useSSH2. Click Next >.
And finally you will be prompted to save your configuration. When you saveconfgurations the default name is config.xlaunch. You can name them whateveryou want to but the extension will need to be.xlaunch.For example: Eniac.xlaunch. Onceyou've saved your configuration, click Finish.

You may not realize it, but your Mac already runs a variant of UNIX. You can easily access a terminal window to use your computer's built-in UNIX functionality with the 'Terminal' program (Applications/Utilities/Terminal.app). You may want to make a shortcut to this program in your Dock, since you'll be using it a lot from now on. Similarly, you can use your Mac directly to log into a UNIX server, and even to transfer files to/from a UNIX server.

Enabling X11-Forwarding (Popping up windows from the UNIX server)

Your Mac comes with another program that enables you to display graphics from programs running on a remote UNIX/Linux server, called 'XQuartz' (Applications/Utilities/XQuartz.app). On older OS X systems this program was called 'X11' and was located in essentially the same location. If neither of these programs are currently installed on your Mac, you can download XQuartz from the Mac App Store (free).

To enable forwarding, just run XQuartz/X11 before starting Terminal. If a xterm window pops up from XQuartz/X11, you may close that window before starting Terminal, since Terminal is more feature-rich than XTerm (my opinion). Once XQuartz/X11 is running, when you log into remote UNIX servers (as shown in the next section) you should be able to display remote graphics.

Run X11 App In Mac Os

Logging into an UNIX server

The standard protocol for logging into a modern UNIX server is through using a Secure SHell (SSH) client. OS X has built-in SSH functionality, through the 'ssh' command in the Terminal.

To use ssh from the Terminal:

Open Terminal.
At the command line, type
ssh username@hostname -CY
or
ssh username@hostname -CX
(the Y vs X difference is minimal, and will not affect your user experience, just remember to use one of them). Here, username is your user name on the UNIX server, and hostname is the name of the UNIX server. For example, I could log into the UNIX server titan.smu.edu with the command
ssh reynolds@titan.smu.edu -CY

For additional information on using ssh, type

man ssh

(short for manual) in the Terminal window.

Transferring files to and from a UNIX server (terminal)

You may copy files to and from a UNIX/Linux server in the Terminal window as well, using the 'scp' command. The syntax is either

scp file_to_copy_from username@hostname:file_to_copy_to

scp username@hostname:file_to_copy_from file_to_copy_to

depending on whether you want to copy the file to or from the UNIX server. For example, suppose I have a file named 'file1' in my home directory on titan, and I want to copy it to the current directory on my Mac (the one the terminal is in, type 'pwd' to see which directory you are in if unsure):

scp reynolds@titan.smu.edu:file1 .

scp reynolds@titan.smu.edu:file1 file1

would give the desired result. Suppose now that I have the file 'file2' in the current directory on my Mac that I want to copy to my home directory on titan:

scp file2 reynolds@titan.smu.edu:

scp file2 reynolds@titan.smu.edu:file2

would do the trick. For more information on the 'scp' command, type man scp in the terminal.

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Transferring files to and from a UNIX server (graphical)

Fetch

One of the most popular graphical file transfer options in OS X is the program Fetch. This is not a free program.

To use Fetch, fill in the UNIX hostname (e.g. titan.smu.edu), your username on that host (e.g. reynolds), and your password on that host, then click 'Connect'. You will then see a display of your remote directory on the UNIX server. Transfer files by dragging them to and from the Finder.

But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.Features described in this article refer to the MacPaw site version of CleanMyMac X.What are startup items?Startup items, or login items, are services and applications that launch every time you start your Mac. This way you may end up with a dozen apps launching as soon as you turn on your Mac, weighing heavily on its processor and memory capacities and slowing it down. Such items can increase your Mac’s startup time and decrease its performance.Plus, sometimes when you remove an application or a service, it leaves a login item with a broken link. These broken login items are completely useless, cause unwanted messages, and waste your Mac's resources (because they look for non-existent applications). These are applications that sneak into startup items without notice, never asking if you need or want them there. How to change startup apps in mac pro.

FileZilla

A free alternative to Fetch that may be used from OS X, Windows and Linux is is FileZilla. To install FileZilla in OS X:

Download the FileZilla client for Mac OS X from here.
Open the FileZilla installation file to unpack the application.
You may run Filezilla.app from the Desktop, or you can instead move it to your Applications folder.

To use FileZilla, fill in the fields for the host (e.g. titan.smu.edu), your username on that host (e.g. reynolds), your password, and the port (use 22 for SFTP), and hit [return]. You should notice two file browser windows open up, the browser on the left is on your computer, the browser on the right is from the UNIX host (e.g. titan). Transfer files by dragging them from one computer to the other with your mouse.

Run X11 App In Mac Shortcut

D.R. Reynolds, 28 August 2014