mac上mysql5.6.42 开启报错 ERROR! Couldn't find MySQL server (/usr/local/mysql/bin/mysqld_safe)

 

1，突发奇想在 Mac上安装一发mysql 玩一玩  突然启动的时候报错 顿时疯狂找度娘 结果找来找去 也耽搁时间 最后还是在一篇博客找到了

2.mysql 的安装见 https://blog.csdn.net/dongdong9223/article/details/80722654 博客

捎带提一嘴 这个安装 总体来讲没多大难度  可是当我在mysql目录下启动时候 

sudo support-files/mysql.server start

突然 报错了  问题截图如下

说是找不到mysql目录  不能找到 mysql server 

然后 一顿寻找 先是修改了我的 配置文件 

添加了 

basedir=/usr/local/develope/mysql5.6
datadir=/usr/local/develope/mysql5.6/data  这两个配置 

启动 后 还是失败 ，记得linux 上可以指定配置文件  这个玩意忘了 

第二次  修改了 

第二 次还不好使  

结果第三次  在博客中 地址：点我  发现了解决思路  

1.mysql在新版中去掉了默认配置文件my.cnf如果需要可以手动创建

2.在 /etc 新建 my.cnf 文件

sudo vim my.cnf

我的配置如下

# Example MySQL config file for small systems.  
#  
# This is for a system with little memory (<= 64M) where MySQL is only used  
# from time to time and it's important that the mysqld daemon  
# doesn't use much resources.  
#  
# MySQL programs look for option files in a set of  
# locations which depend on the deployment platform.  
# You can copy this option file to one of those  
# locations. For information about these locations, see:  
# http://dev.mysql.com/doc/mysql/en/option-files.html  
#  
# In this file, you can use all long options that a program supports.  
# If you want to know which options a program supports, run the program  
# with the "--help" option.  

# The following options will be passed to all MySQL clients  
[client]  
default-character-set=utf8  
#password   = your_password  
port        = 3306 
socket      = /tmp/mysql.sock  

# Here follows entries for some specific programs  

# The MySQL server   
[mysqld]  

#配置mysql的文件夹 和 mysql data目录
basedir=/usr/local/develope/mysql5.6
datadir=/usr/local/develope/mysql5.6/data
default-storage-engine=INNODB  
character-set-server=utf8  
collation-server=utf8_general_ci  
port        = 3306 
socket      = /tmp/mysql.sock  
skip-external-locking  
key_buffer_size = 16K  
max_allowed_packet = 1M  
table_open_cache = 4 
sort_buffer_size = 64K  
read_buffer_size = 256K  
read_rnd_buffer_size = 256K  
net_buffer_length = 2K  
thread_stack = 128K  

# Don't listen on a TCP/IP port at all. This can be a security enhancement,  
# if all processes that need to connect to mysqld run on the same host.  
# All interaction with mysqld must be made via Unix sockets or named pipes.  
# Note that using this option without enabling named pipes on Windows  
# (using the "enable-named-pipe" option) will render mysqld useless!  
#   
#skip-networking  
server-id   = 1 

# Uncomment the following if you want to log updates  
#log-bin=mysql-bin  

# binary logging format - mixed recommended  
#binlog_format=mixed  

# Causes updates to non-transactional engines using statement format to be  
# written directly to binary log. Before using this option make sure that  
# there are no dependencies between transactional and non-transactional  
# tables such as in the statement INSERT INTO t_myisam SELECT * FROM  
# t_innodb; otherwise, slaves may diverge from the master.  
#binlog_direct_non_transactional_updates=TRUE  

# Uncomment the following if you are using InnoDB tables  
#innodb_data_home_dir = /usr/local/mysql/data  
#innodb_data_file_path = ibdata1:10M:autoextend  
#innodb_log_group_home_dir = /usr/local/mysql/data  
# You can set .._buffer_pool_size up to 50 - 80 %  
# of RAM but beware of setting memory usage too high  
#innodb_buffer_pool_size = 16M  
#innodb_additional_mem_pool_size = 2M  
# Set .._log_file_size to 25 % of buffer pool size  
#innodb_log_file_size = 5M  
#innodb_log_buffer_size = 8M  
#innodb_flush_log_at_trx_commit = 1 
#innodb_lock_wait_timeout = 50 

[mysqldump]  
quick  
max_allowed_packet = 16M  

[mysql]  
no-auto-rehash  
# Remove the next comment character if you are not familiar with SQL  
#safe-updates  

[myisamchk]  
key_buffer_size = 8M  
sort_buffer_size = 8M  

[mysqlhotcopy]  
interactive-timeout 

3.保存文件 （使用:wq 保存  vi使用可参考博客 点我）
修改文件读写权限 

sudo chmod 664 /etc/my.cnf

最后重新启动 mysql 就可以啦 

 终于可以使用mysql 了