Plesk for Linux
kb: technical
Applicable to:
- Plesk for Linux
Symptoms
Plesk UI is unresponsive with the following error:
CONFIG_TEXT: Server Error
500
Zend_Db_Adapter_Exception
SQLSTATE[HY000] [2002] Connection refused
Cause
Connection to the database is repeatedly dropping, causing Plesk unavailability before spare space is freed by automatic deletion of a temporary file:
The root partition is running out of a free space:
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/centos-root 50G 50G 9M 100% /
devtmpfs 7.7G 0 7.7G 0% /dev
tmpfs 7.7G 0 7.7G 0% /dev/shm
tmpfs 7.7G 121M 7.6G 2% /run
Resolution
Clear some free space or expand the partition: How to clean temporary Plesk files on a Linux server
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