GDB调试Mysql实战之源码编译安装

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

2022-02-01T07:45:58.147032Z 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/wik1/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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