版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/Maskkiss/article/details/81629184
一、前言
除了本错误提示，还有类似于error: Found option without preceding group in config file，/etc/init.d/mysql: line 244: my_print_defaults: command not found等，这些问题都可以用本方法解决
二、解决办法
还原/etc/my.cnf文件，文件内容如下：
# mysql conf /etc/my.cnf
# Created by http://www.wdlinux.cn
# Last Updated 2010.06.01
[client]
port = 3306
sockeT = /tmp/mysql.sock
[mysqld]
port = 3306
socket = /tmp/mysql.sock
skip-external-locking
key_buffer_size = 128M
max_allowed_packet = 1M
table_open_cache = 256
sort_buffer_size = 1M
read_buffer_size = 1M
read_rnd_buffer_size = 2M
myisam_sort_buffer_size = 8M
thread_cache_size = 8
query_cache_size= 16M
thread_concurrency = 8
max_connections = 300
wait_timeout = 30
interactive_timeout = 30
max_connect_errors = 9
long_query_time = 1
tmp_table_size = 16M
#log-bin=mysql-bin
#binlog_format=mixed
#server-id = 1
[mysqldump]
quick
max_allowed_packet = 8M
[mysql]
no-auto-rehash
[myisamchk]
key_buffer_size = 12M
sort_buffer_size = 1M
read_buffer = 1M
write_buffer = 1M
[mysqlhotcopy]
interactive-timeout三、注意事项
如果直接复制博客中的代码，请务必注意由于博客平台导致的自动缩进、全角空格、中文符号等问题。