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|Check the logging '''''less /var/log/mysql.log''''' | |Check the logging '''''less /var/log/mysql.log''''' | ||
|- | |- | ||
! Fixing | | Try to login locally on the database server '''''mysql -u root -p''''' | ||
|- | |||
! Fixing (you might kill your webserver/application first) | |||
|- | |- | ||
| Restart mysql service '''''service mysqld restart''''' | | Restart mysql service '''''service mysqld restart''''' | ||
|} | |} | ||
Revision as of 20:20, 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 |
| Try to login locally on the database server mysql -u root -p |
| Fixing (you might kill your webserver/application first) |
| Restart mysql service service mysqld restart |