Help deleting a file

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# 1  
Old 12-06-2007
Help deleting a file

Hi and apologies but I'm normally a windows and network admin but atm I'm looking after a unix system while the admin is on holiday. I was assured everything would be fine but he's only been gone for 2 days and already webmail has stopped working!
It suggests that there is no space left:

Warning: session_write_close() [function.session-write-close]: write failed: No space left on device (28) in /usr/www/webmail.pcob/src/redirect.php on line 165

Warning: session_write_close() [function.session-write-close]: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/lib/php4) in /usr/www/webmail.pcob/src/redirect.php on line 165

Warning: Cannot modify header information - headers already sent by (output started at /usr/www/webmail.pcob/src/redirect.php:165) in /usr/www/webmail.pcob/src/redirect.php on line 166

So it looks like one of my disks is full. Is this something I could attempt to fix on my own with no experience?? Rather than deleting files couldn't I just move them somewhere else so that if I screw it up I've always got the original files??
Thanks for any help you can share...
# 2  
Old 12-06-2007
login as root, run "du -ha /the-folder-name/ | sort -nr" and you'll get the usage in reversed order, i.e. the biggest file will appear on the top. Then, you should decide what to move / delete, but if this webmail application contains sensitive information, I would not advice running something more on the system, rather search for the proper person within your organization.
# 3  
Old 12-06-2007

Thanks for your reply.
Luckily, being a gui kind of a guy I found winSCP and it saved my bacon! Just being able to see things from a windows perspective helped and I could find the problem - massive log files!
Thanks again
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