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Just a short question: is it correct that ssh -Y is just executing the program on my local machine? So when I want to save a file of this program it is saved locally?
Best regards
Martin
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No, its executing on the remote machine, only its display is on your machine
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For example, when I start Firefox, the bookmarks from my local machine are shown. Or is this happening because I have running Firefox on my local machine in addition and it gets mixed up?
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Firefox is special. It will check if any other firefox instance is attached to the same display (or something like this, I don't know quite hot it works), and if so, tell that one to open a new window instead of starting up a new firefox. To disable this checking, and really run firefox on the remote server even if you have one running locally, use the "-no-remote" flag to firefox.
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I thought 'ssh' was secure / encrypted by default. Isn't that why SSH is preferred over Telnet due to it being more secure? I don't understand the -X or -Y switches. Seem redundant to me, no?
./
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Hehe. It is not about encryption but about trusting. man ssh on -Y: "Enables trusted X11 forwarding. Trusted X11 forwardings are not subjected to the X11 SECURITY extension controls."
Firefox is special. It will check if any other firefox instance is attached to the same display (or something like this, I don't know quite hot it works), and if so, tell that one to open a new window instead of starting up a new firefox. To disable this checking, and really run firefox on the remote server even if you have one running locally, use the "-no-remote" flag to firefox.
I will check this. I already added a hint in the Wiki: https://wiki.archlinux.org/index.php/SSH#X11_Forwarding
Best regards
Martin
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