Openbsd

I want to use my local machine as the X server over ssh. But when I try to run ssh -X -v user@server1.example.com to the remote machine, I get the following error:

debug1: Remote: No xauth program; cannot forward with spoofing

How do I fix this problem and use X over ssh?

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How do I install nmap network security and auditing tool under OpenBSD operating system?

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How do I copy a file with a colon punctuation (:) name in it. When I type the following command to copy “file:name.txt” to a remote host called server1:

scp file:name.txt user@server1:/path

I get the following error:

ssh: Could not resolve hostname s: Name or service not known

How do I copy file with scp or rsync with a colon in it?

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Sometime my ssh session just stops working because of the internet connection problem. I tried pressing CTRL+Z and CTRL+C to terminate session, but failed to work. How do I properly kill a hung SSH session without killing my local terminal or using kill command?

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I‘ve an CentOS based server and Ubuntu based desktop pc. I’m connecting to my CentOS using ssh X11 forwarding feature. However, speed over the Internet is pretty slow for certain apps such as VMWare console. How do I speed up OpenSSH X11 forwarding using Linux / UNIX desktop system?

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How do I see PCI devices information under OpenBSD operating systems using command line interfaces?

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How do I change my rsync command port number while making backup to remote server at backup1.example.com port 10253 (my ssh server runs on tcp port # 10253)? How do I change port number while using rsync command?

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