sftp logs files

Asked by aman_manu2003@yahoo.com

hi there,

I am new to Ubuntu and using 10.04 rel. I along with my friends use sftp for file transfer purposes. Just wanted to know how and where can i check the logs for who has used the sftp service and how can i clear the logs without doing any harm to os? can i delete the log files as a whole (assuming that Ubuntu will recreate them) ?

thanks.

regards-
aman

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Attila Vági (avagi) said :
#1

you can find login entries in the /var/log/auth.log, look for "subsystem request for sftp".
if you don't want to have LOGs (is not recommended), the sshd daemon should be restarted with nolog option.

Revision history for this message
aman_manu2003@yahoo.com (aman-manu2003) said :
#2

Thanks for the reply.
I want to have the logs but will like to know how to clear them up.
I want to delete unnecessary login details.

________________________________
From: avagi <email address hidden>
To: <email address hidden>
Sent: Thu, July 15, 2010 10:53:08 AM
Subject: Re: [Question #117726]: sftp logs files

Your question #117726 on openssh in ubuntu changed:
https://answers.launchpad.net/ubuntu/+source/openssh/+question/117726

    Status: Open => Answered

avagi proposed the following answer:
you can find login entries in the /var/log/auth.log, look for "subsystem request
for sftp".
if you don't want to have LOGs (is not recommended), the sshd daemon should be
restarted with nolog option.

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Attila Vági (avagi) said :
#3

pls. check the /var/log/auth.log file
there are no unecessary login details - this is my opinion

could you tell me more precisely, what do you plan to clean up?

Revision history for this message
aman_manu2003@yahoo.com (aman-manu2003) said :
#4

thanks. I mean.. suppose 3 people (X,Y,Z) have logged in on a particular day.
next day i want to clear up the login data for person "Y".
Is that possible?

________________________________
From: avagi <email address hidden>
To: <email address hidden>
Sent: Thu, July 15, 2010 1:23:40 PM
Subject: Re: [Question #117726]: sftp logs files

Your question #117726 on openssh in ubuntu changed:
https://answers.launchpad.net/ubuntu/+source/openssh/+question/117726

    Status: Open => Answered

avagi proposed the following answer:
pls. check the /var/log/auth.log file
there are no unecessary login details - this is my opinion

could you tell me more precisely, what do you plan to clean up?

--
If this answers your question, please go to the following page to let us
know that it is solved:
https://answers.launchpad.net/ubuntu/+source/openssh/+question/117726/+confirm?answer_id=2

If you still need help, you can reply to this email or go to the
following page to enter your feedback:
https://answers.launchpad.net/ubuntu/+source/openssh/+question/117726

You received this question notification because you are a direct
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Revision history for this message
Attila Vági (avagi) said :
#5

it is possible (but I have to repeat, not recommended):

  # sed -i '/Y/d' /var/log/auth.log
  (replace Y by the real name, to be clean up)

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