问题:

In Ubuntu I had my.cnf file of MySQL 5.6 in /etc/my.cnf. But I can't find the same file of MySQL 5.7. From where can I find that?

I did a find in entire / (root). But I couldn't find it anywhere. Any clues?

I'm trying to set max_connections value.

回答1:

In MySQL 5.7, the default cnf is at:

/etc/mysql/mysql.conf.d/mysqld.cnf

回答2:

mysql --help printed below.

Default options are read from the following files in the given order:
/etc/my.cnf /etc/mysql/my.cnf ~/.my.cnf 

The following groups are read: mysql client
The following options may be given as the first argument:
--print-defaults        Print the program argument list and exit.
--no-defaults           Don't read default options from any option file,
                        except for login file.
--defaults-file=#       Only read default options from the given file #.
--defaults-extra-file=# Read this file after the global files are read.
--defaults-group-suffix=#
                        Also read groups with concat(group, suffix)
--login-path=#          Read this path from the login file.