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| Check load on database server using ''top'' | | Check load on database server using ''top'' | ||
| Check the ports using ''nmap -Pn localhost'' | |- | ||
|Check the ports using ''nmap -Pn localhost'' | |||
|- | |||
|Check the ports from remote using ''nmap -Pn databasehost'' | |||
|- | |||
|Check the logging ''less /var/log/mysql.log'' | |||
|- | |||
! Fixing | |||
|- | |||
| Restart mysql service ''service mysqld restart'' | |||
|} | |} | ||
Revision as of 21:15, 16 April 2020
| Issue description |
|---|
| How to troubleshoot it |
| How to fix it |
| Cannot connect to database |
|---|
| Check if mysqld is running and if the ports are available on the localhost and from the host you try to connect from. |
| Check load on database server using top |
| Check the ports using nmap -Pn localhost |
| Check the ports from remote using nmap -Pn databasehost |
| Check the logging less /var/log/mysql.log |
| Fixing |
| Restart mysql service service mysqld restart |