Re: [AMBER] Antechamber permissions issue

From: Sam Walsworth (Researcher) <"Sam>
Date: Fri, 27 Nov 2020 14:37:44 +0000

Hi David

Yes I've since realised that the capital letter files are intermediates (hence don't exist initially). I tried touch abc and that worked. Is it possible that the antechamber program I'm running isn't located where I think it is? The error it gives suggests it's at /home/username/amber20_src/bin/to_be_dispatched/antechamber but touch abc works all over here. Is it possible I've installed it erroneously in a different location that doesn't have writing permissions? If so how would you check that?

I appreciate the help
From: David A Case <>
Sent: 27 November 2020 12:57
To: AMBER Mailing List <>
Subject: Re: [AMBER] Antechamber permissions issue

On Thu, Nov 26, 2020, Sam Walsworth (Researcher) wrote:
>home/username/amber20_src/bin/to_be_dispatched/antechamber: Fatal error!
>Cannot open file (ANTECHAMBER_BOND_TYPE.AC0) with mode (w)
>Permission denied.
>I appreciate this is a permissions/read only issue but I'm not sure how
>to resolve this. I can't seem to find the ANTECHAMBER_BOND_TYPE.AC0 file
>in question either.

It looks like you don't have write permission in the directory you are
running in. The reason that you can't find the
ANTECHAMBER_BOND_TYPE.AC0 file is that antechamber was never able to
create it.

To see if you have write permissions, you can type "touch abc" and see
if an empty file named abc is created. Doing an internet search on
"setting file permissions linux" may help. (Apologies if I am telling
you something you already know.)


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Received on Fri Nov 27 2020 - 07:00:02 PST
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