Messages in this thread | | | Date | Thu, 31 Jan 2002 16:48:07 -0800 (PST) | From | James Simmons <> | Subject | Re: Console driver behaviour? |
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> How can I determine that the program is run via ssh or on > a headless box?
Hm. I never seen a clean way to do this :-(
> The problem is with Linux Console Tools. It tries opening > /dev/tty, /dev/tty0 and /dev/console respectively upon the > start, and it fails on ssh'ed or headless boxes. Is there > any way to catch the situation? I've thought that open should > return ENODEV in these cases, but it doesn't..
/dev/console -> System console. printk messages are sent to these devices. It is always there.
/dev/tty -> The TTY device associated with the current process
/dev/tty0 -> Only related to VTs. This is the foreground virtual termial (made from a graphics card and a regular keyboard)
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