MSQL 5.1.65 Error establishing a database connection

Maxos

Registered
May 15, 2015
1
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France
cPanel Access Level
Website Owner
Hi

I have
Chassis: HP DL160G6
Processor: 2x Xeon E5504
Memory: 6x 2GB PC3-10600R
Harddisk(s): 2x 300GB SAS HP
RAID-controller: P410 512MB + BBWC

Since yesterday random time I get this such annoying error (Error establishing a database connection)

Using Wordpress and 5.1.65 - MySQL


Here is my.cnf.
Code:
[mysqld]
local-infile=0
innodb_file_per_table
max_connections=150
Is there anyone who has fixed this issued I tried everything even upgrade 12GB of RAM

Thank you