macfidelity

Seit 10.5 ist der Netzwerk-Zugriff auf andere Computer recht schön in der Finder-Seitenleiste unter dem Punkt Sharing integriert.

Ein Nicht Mac OS X Rechner meldet sich meist so:

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Da ich privat wie bei der Arbeit diverse Macs um mich habe, verwende ich seit dem Wechsel auf 10.5 das Programm Screen Sharing recht häufig um andere Macs remote zu steuern. Ab Werk ist Screen Sharing recht limitiert, ließ sich aber relativ einfach optimieren und somit einige ARD-mässige Features zugänglich machen.

Eine der ersten wirklichen Nachteile/Probleme von 10.5.5 wurde mir vor einigen Tagen erstmalig im Ansatz bewußt als ich das Programm Screen Sharing öffnete und mich wunderte dass meine Modifikationen nicht mehr funktionierten. Erster Gedanke war: …. ok haben sie meine Settings mit dem Update übergebügelt. Heute bin ich über die Hintergrund-Details gestolpert.

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This is a raw copy from macosxhints.com:

Assume you want to do some work on a remote Mac via 10.5’s Screen Sharing, but you forgot to enable Screen Sharing before you left the remote Mac. You’re now a good distance away, and apparently stuck. Fortunately, because the screen sharing system uses launchd to monitor its state, enabling and disabling is as simple as adding a file in the remote Mac’s /Libary/Preferences folder. (Note that you’ll need to be able to login to the remote Mac via ssh to run these commands on that Mac.)

$ cd /Library/Preferences
$ echo -n enabled > com.apple.ScreenSharing.launchd

To disable screen sharing:

$ cd /Library/Preferences
$ rm com.apple.ScreenSharing.launchd

If you have a Finder window open with the remote Mac selected in the Shared section, you’ll even note the icon for Screen Sharing coming and going as you do this.

Found an article regarding screen sharing in 10.5 over the internet here

Just a short quote:

There seems to be an odd bug in the Screen Sharing application. Since my iMac screen is much bigger than my iBook screen, Screen Sharing starts out with a scaled view of the iMac screen. Despite the reduced size of everything, I kind of like this view because I can see the whole iMac desktop without scrolling. Unfortunately, mouse clicks and keystrokes donâ �� ��t seem to registerâ �� ��the window doesnâ �� ��t update. The workaround Iâ �� ��ve discovered is to choose Turn Scaling Off from the View menu (which zooms in to a full-sized view of a portion of the iMac screen) and then immediately change back by choosing Turn Scaling On. Now everything works as it should.

Itâ �� ��s possible that SSH tunneling is unnecessary. My experience with VNC on Linux was that the VNC protocol was unencrypted, so all the data was passing through the internet in the clear. Running VNC through an SSH tunnel was more secure because it encrypted the data before passing it along the network. The Screen Sharing application has a preference setting for encrypting all data, which may be just as secure as running everything through a tunnel. If thatâ �� ��s the case, you could just apply port forwarding to port 5900 at the base computerâ �� ��s router and connect from the satellite to the routerâ �� ��s publicly-addressable IP number. But for now Iâ �� ��m going to stick with the security Iâ �� ��m familiar with. Also, I sometimes tunnel other ports through SSH, which can be very nice for things like directly accessing my work computerâ �� ��s web server.

Some related links

• http://www.leancrew.com/all-this/2008/02/tab-key-is-funny-in-screen-sharing/
• http://www.leancrew.com/all-this/2008/02/more-screen-sharing/

Just found that nice article on MacWorld.com

quote as teaser:

One of 10.5’s new features that I use quite often is the built-in screen sharing. You can use screen sharing from iChat, which is great for family tech support, but I’m referring specifically to screen sharing in the Finder. With multiple machines in the house, I often want to see the screen on a given machine while seated at another. In the pre-10.5 days, this was doable, and not overly difficult you had to click a couple buttons to enable things, then run a VNC viewer app to make the connection. But with 10.5, the viewer is now built into the system. Screen sharing is based on Apple’s full Remote Desktop package, which offers more control over exactly how remote screens are shared. Luckily for us, Apple left at least some of that functionality in the more-limited screen sharing application it’s just disabled by default.

First, here’s a potentially easier way to share the screens of other Macs on your network. First, realize that the screen sharing feature is just an application. It resides in /System/Library/CoreServices, under the tricky name of Screen Sharing. Find it now, and drag it onto your Dock, or into your sidebar, or your toolbar whichever you prefer for quick launch access.

Read it….

My conclusion:

1. To run Screen Sharing without using Finder -> Shared, drag:

/System/Library/CoreServices/Screen Sharing.app

to your Dock

2. To enable Screen Sharing’s Bonjour Browser, open Terminal.app and enter:

defaults write com.apple.ScreenSharing ShowBonjourBrowser_Debug 1

3. To enable Sceen Sharing’s ARD-like toolbar, open Terminal.app and enter:

defaults write com.apple.ScreenSharing \
'NSToolbar Configuration ControlToolbar' -dict-add 'TB Item Identifiers' \
'(Scale,Control,Share,Curtain,Capture,FullScreen,GetClipboard,SendClipboard,Quality)'