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GDB调试Mysql实战之源码编译安装

程序员文章站 2022-07-02 10:55:24
下载源码 git clone https://github.com/mysql/mysql-server.git cd mysql-server git ch...

下载源码

git clone https://github.com/mysql/mysql-server.git
cd mysql-server
git checkout 5.7

编译安装

安装依赖

yum install -y cmake make gcc gcc-c++ ncurses-devel bison gdb

需要注意的一点,需要指定 boost 路径,会 cmake 的时候自动下载

cd build; 
cmake .. -ddownload_boost=1 -dwith_boost=<directory> -dwith_debug=1 -dwith_unit_tests=off
make 
make install

最后程序安装到了/usr/local/mysql目录

创建专用用户

groupadd mysql
useradd -s /sbin/nologin -m -g mysql mysql

初始化数据库

cd /usr/local/mysql/
bin/mysqld --defaults-file=/etc/my.cnf --initialize --user=mysql
2019-02-01t07:45:58.147032z 1 [note] a temporary password is generated for root@localhost: jss<swtx.8og

连接数据库

[root@bogon bin]# ./mysql -h localhost -uroot
error 2002 (hy000): can't connect to local mysql server through socket '/tmp/mysql.sock' (2)

原来是因为配置文件里面没有置顶客户端的 socket 文件

cat /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
# disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
# settings user and group are ignored when systemd is used.
# if you need to run mysqld under a different user or group,
# customize your systemd unit file for mariadb according to the
# instructions in http://fedoraproject.org/wiki/systemd
[mysqld_safe]
log-error=/var/log/mariadb/mariadb.log
pid-file=/var/run/mariadb/mariadb.pid
#
# include all files from the config directory
#
!includedir /etc/my.cnf.d

增加

[client]
default-character-set=utf8
socket=/var/lib/mysql/mysql.sock
[mysql]
default-character-set=utf8
socket=/var/lib/mysql/mysql.sock

再次连接就 ok 了。

修改默认密码

set password = password('123456');
alter user 'root'@'localhost' password expire never;
flush privileges;

导入测试数据

/usr/local/mysql/bin/mysql -uroot -p123456 test < article_rank.sql

总结

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