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本文主要给大家介绍自定义mysql-5.5.56版的安装路径讲义,希望可以给大家补充和更新些知识,如有其它问题需要了解的可以持续在创新互联行业资讯里面关注我的更新文章的。
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libaio
yum install -y libaio会在mysql目录内生成一个data目录,存放数据库的目录
./scripts/mysql_install_db --basedir=/application/mysql --datadir=/application/mysql/data/ --user=mysql除了mysql目录下的data目录所属用户不变,其他所有文件的所属用户改为root
将mysql的配置文件拷贝为/etc/目录下的my.cnf
在配置文件插入了一行,进行配置错误日志
/etc/my.cnf Content:
# Example MySQL config file for medium systems. # # This is for a system with little memory (32M - 64M) where MySQL plays # an important part, or systems up to 128M where MySQL is used together with # other programs (such as a web server) # # 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] #password = your_password port = 3306 socket = /tmp/mysql.sock # Here follows entries for some specific programs # The MySQL server [mysqld] port = 3306 log-error=/application/mysql/data/mysqld.error socket = /tmp/mysql.sock skip-external-locking key_buffer_size = 16M max_allowed_packet = 1M table_open_cache = 64 sort_buffer_size = 512K net_buffer_length = 8K read_buffer_size = 256K read_rnd_buffer_size = 512K myisam_sort_buffer_size = 8M # 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 # (via the "enable-named-pipe" option) will render mysqld useless! # #skip-networking # Replication Master Server (default) # binary logging is required for replication log-bin=mysql-bin # binary logging format - mixed recommended binlog_format=mixed # required unique id between 1 and 2^32 - 1 # defaults to 1 if master-host is not set # but will not function as a master if omitted server-id = 1 # Replication Slave (comment out master section to use this) # # To configure this host as a replication slave, you can choose between # two methods : # # 1) Use the CHANGE MASTER TO command (fully described in our manual) - # the syntax is: # # CHANGE MASTER TO MASTER_HOST=将mysql的启动程序拷贝到/etc/init.d/目录下,以便启动程序
方法一:
思路是给配置文件提供的变量进行赋值。较麻烦。
sed -i ':a;N;$!ba;s/basedir=\ndatadir=/basedir=\/application\/mysql\ndatadir=\/application\/mysql\/data/g' /etc/init.d/mysql sed -i ':a;N;$!ba;s/mysqld_pid_file_path=\n/mysqld_pid_file_path=\/application\/mysql\/data\/mysqld.pid\n/g' /etc/init.d/mysql等价于将45、46两行
basedir= datadir= mysqld_pid_file_path= 替换成 basedir=/application/mysql datadir=/application/mysql/data mysqld_pid_file_path=/application/mysql/data/mysql.pid方法二(推荐):
思路是将脚本的默认地址(/usr/local/mysql)直接替换成自定义路径(/application/mysql),便不用给变量赋值
sed -i 's#/usr/local/mysql#/application/mysql#g' /etc/init.d/mysql到这里mysql安装完成可以正常启动
将mysql命令创建软链接到环境变量的目录,使用户可以在变量找到相应的命令
ln -s /application/mysql/bin/* /usr/local/sbin第一次设置密码:
mysqladmin -u'例子:
mysqladmin -u'root' password 'PassWord'往后修改密码:
mysqladmin -u'例子:
mysqladmin -u'root' -p'PassWord' password 'NewPassWord'看了以上关于自定义mysql-5.5.56版的安装路径讲义,希望能给大家在实际运用中带来一定的帮助。本文由于篇幅有限,难免会有不足和需要补充的地方,如有需要更加专业的解答,可在官网联系我们的24小时售前售后,随时帮您解答问题的。
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