mysql安装-CentOS6下解压安装mysql-5.7.20-linux-glibc2.12-x86_64.tar.gz

时间：2022-09-23 11:23:44
yum list installed mysql
[root@localhost ~]# yum list installed mysql
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
* base: mirrors.cn99.com
* extras: mirrors.cn99.com
* updates: mirrors.cn99.com
Installed Packages
mysql.x86_64

yum remove mysql.x86_64

1.下载安装

tar -xvzf mysql-5.7.20-linux-glibc2.12-x86_64.tar.gz

mv mysql-5.7.20-linux-glibc2.12-x86_64 /usr/local/mysql

添加用户及用户分组、目录权限
groupadd mysql
useradd mysql -g mysql
cd mysql
chown -R mysql .
chgrp -R mysql .

安装 依赖库
yum install libaio
yum install -y libnuma.so.1

安装数据库（ 数据库初始化 ）
cd /usr/local/mysql
mkdir data
cd /usr/local/mysql/bin
./mysql_install_db --user=mysql --basedir=/usr/local/mysql/ -- datadir=/usr/local/mysql/data

-------注意,数据存储目录，因为/目录空间很小不够使用，所以我指导数据存储到 /data/mysql57下了,即
mkdir /data/mysql57
chown -R mysql /data/mysql57
chgrp -R mysql /data/mysql57
cd /usr/local/mysql/bin
  ./mysql_install_db --user=mysql --basedir=/usr/local/mysql/ -- datadir=/data/mysql57

这里可能会遇到的问题：
Installing MySQL system tables..../bin/mysqld: error while loading shared libraries: libnuma.so.1: cannot open shared object file: No such file or directory 
原因：是用yum 安装的libnuma.so.1，安装时默认安装的是32的，但db需要的是64位的 
解决办法：1.如果已经安装了libnuma.so.1，先yum remove libnuma.so.1；安装 yum -y install numactl.x86_64 

2.启动登陆
cd /usr/local/mysql/support-files
./mysql.server start


登录mysql，此版本最新版不许空密码登录，实际上有个初始化密码保存在/root/.mysql_secret这个文件里面，用这个密码第一次登录后，再修改密码。因此先cat查看下初始化密码（随机的，每次安装看到的密码都不一样）：
[root@localhost ~]#  cat /root/.mysql_secret

cd /usr/local/mysql/bin
./mysql -uroot -pI+0tKc3(kDS/



改mysql的root密码，新密码在此为'leizm'
mysql>  set password=password(' 12root ');
Query OK, 0 rows affected, 1 warning (0.00 sec)


GRANT ALL PRIVILEGES ON *.* TO root@'%' identified by ' 123456a ';
flush privileges;


3. 添加系统服务
shell> cp support-files/mysql.server /etc/init.d/mysqldshell> service mysqld start


如果启动过程或mysql客户端连接有问题配置 my.cnf
vi /etc/my.cnf


[mysqld]
bind-address=0.0.0.0
#mysql安装根目录
basedir = /usr/local/mysql
#datadir=/var/lib/mysql
datadir=/data/mysql57
#socket=/var/lib/mysql/mysql.sock
socket=/data/mysql/mysql.sock
user=mysql
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0

#Port number to use for connections.
port=15024

#innodb_buffer_pool_size=256M
max_allowed_packet = 32M
#query_cache_size = 128M

max_connections=300

log-bin=mysql-bin
server-id=10632

[client]
socket =/data/mysql/mysql.sock



[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

MySql5.7 配置文件 my.cnf 设置
标签：

相关文章