Why it is vital to release space on HDD is described in section What happens if disk becomes full.
Attention! In case if you're a Streamco customer, don't perform operations below by yourself!
You could spoil all your data.
Technical support team releases space without interaction with customer, using monitoring system.
First obtain root access - see How to acquire root access.
# dd if=/dev/null of=/var/log/asterisk/messages
This operation is done automatically by system once a day.
However in case if you enabled Asterisk log, the file can grow very fast.
For example, if you perform Debug SIP protocol in Asterisk.
In this case you might need manual cleaning.
# cd /var/log/smartswitch # mc
# dd if=/dev/null of=/var/log/smartswitch/<имя файла>
# rm /var/log/*core
# cd /var/backups/smartswitch # mc
Choose file by date.
Select file with 'Insert'.
Delete selected with F8.