Article Directory
1. Error reporting
1.1 Build a forum on the LAMP architecture, mysql service builds a highly available
Two, troubleshooting ideas
The report is a database error, so we check from the database
1. Check whether the database port is open and whether you can successfully log in to the database
2. Check if the user is authorized
3. Check if the virtual IP exists
Three, the solution
Use the ifconfig command on the master to view the virtual IP, the virtual IP address does not exist
Use the /sbin/ifconfig ens33:1 14.0.0.99/24 command to open the virtual IP
Refresh and visit the forum normally
