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Topic: Vi Question

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adssse

Group: Members
Posts: 505
Joined: Mar. 2005

Posted: Nov. 11 2005,13:35

Thanks for the info guys. I have used the arrow keys many times before without problems, not sure what the deal was this time. But when I ssh to the red hat server at school and edit a file there using vi, I always run into the problem with the backspace. This problem doesnt seem to exist if I am using putty to connect from a windows machine. Is this some kind incompatibility issue?

RHTopics

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Posts: 9
Joined: Oct. 2005

Posted: Nov. 12 2005,20:05

When you run ssh, try using the "-t' option to force a pseudo tty allocation. This may solve your problem. Below is information from the man page for ssh describing what the "-t" option does:

Quote

-t Force pseudo-tty allocation. This can be used to execute arbitrary screen-based programs on a remote machine, which can be very useful, e.g., when implementing menu services. Multiple -t options force tty allocation, even if ssh has no local tty.

adssse

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Joined: Mar. 2005

Posted: Nov. 12 2005,21:06

RHTopics, thanks for the suggestion. Unforunately the '-t' didnt seem to make a difference.

adssse

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Posts: 505
Joined: Mar. 2005

Posted: Nov. 21 2005,00:07

Ok, I have finally had a little time to do some digging around and this is what I found out. As far as I can tell my problem is a tty configuration mismatch. On the Red Hat server that I am logging into for school 'stty -a' responds with (among other things), 'erase = ^H;'
In dsl running the same command the erase portion of the output reveals 'erase = ^?;' this seems to be the reason why when I backspace on the Red Hat server I am getting '^?' instead of it actually backspacing.
So I now know what the reason is for this, but dont really know what the best way to go about correcting this is...

EDIT:
It seems like I can set this using 'stty erase NN' (with NN being something like '^?' or '^H'), although I dont really understand the difference between the two or what ramifications this will have on the system.

adssse

Group: Members
Posts: 505
Joined: Mar. 2005

Posted: Nov. 22 2005,02:04

I used 'ssty erase ^?' while logged into the red hat server and it corrects the problem. It only lasts that session, so it looks like I will need to do it everytime I log in, but I can deal with that. Just thought I would post in case someone runs into this in the future.

9 replies since Nov. 06 2005,16:26

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