Starting MySQL .. ERROR! The server quit without updating PID file (/var/mysql/data/feng.pid). Problem Solution

 

　　1. thought should first authorization chown -R mysql: mysql / var / mysql / data to the user mysql 

 

      2.vim /etc/my.cnf

 

       

 

1 2 3 4

[mysqld] datadir = /var/mysql/data log_error = /usr/local/mysql/data/error tmpdir = /var/tmp

 

　　

 

 

 

      3.vim /etc/hosts 

 

　　　127.0.0.1 root    

 

     4. / usr / local / mysql / script / mysql_install_db --user = mysql --basedir = / usr / local / mysql / --data = / var / mysql / data / & generation system database  

 

      5. Next we generate by way of the process system database file is written into  

 

       /usr/local/mysql/bin/mysqld_safe --user=mysql --basedir=/usr/local/mysql/ --data=/var/mysql/data/ &

 

      & Is running in the background meaning   

 

    Then restart about enough