wget
2、將mysql安裝到/usr/local/mysql下
tar -xvf mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz
mv mysql-5.7.22-linux-glibc2.12-x86_64 /usr/local/
mv /usr/local/mysql-5.7.22-linux-glibc2.12-x86_64 /usr/local/mysql
3、新建data目錄
mkdir /usr/local/mysql/data
4、新建mysql使用者、mysql使用者組
groupadd mysql
useradd mysql -g mysql
5、將/usr/local/mysql的所有者及所屬組改為mysql
chown -r mysql.mysql /usr/local/mysql
6、配置
/usr/local/mysql/bin/mysql_install_db --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data
複製**
2018-07-14 06:40:32 [warning] mysql_install_db is deprecated. please consider switching to mysqld --initialize
2018-07-14 06:40:32 [error] child process: /usr/local/mysql/bin/mysqldterminated prematurely with errno= 32
2018-07-14 06:40:32 [error] failed to execute /usr/local/mysql/bin/mysqld --bootstrap --datadir=/usr/local/mysql/data --lc-messages-dir=/usr/local/mysql/share --lc-messages=en_us --basedir=/usr/local/mysql
– server log begin –
– server log end –
複製**
/usr/local/mysql/bin/mysqld --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data --initialize
/usr/local/mysql/bin/mysqld: error while loading shared libraries: libnuma.so.1: cannot open shared object file: no such file or directory
yum -y install numactl
/usr/local/mysql/bin/mysqld --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data --initialize
複製**
[mysqld]
datadir=/usr/local/mysql/data
basedir=/usr/local/mysql
socket=/tmp/mysql.sock
user=mysql
port=3306
character-set-server=utf8
skip-grant-tables
symbolic-links=0
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
複製**
7、開啟服務
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql
chkconfig mysql on
service mysql start
8、設定密碼
/usr/local/mysql/bin/mysql -u root -p
use mysql;
update user set authentication_string=password(『你的密碼』) where user=『root』;
flush privileges;
exit;
9、將/etc/my.cnf中的skip-grant-tables刪除
10、登入再次設定密碼（不知道為啥如果不再次設定密碼就操作不了資料庫了）
/usr/local/mysql/bin/mysql -u root -p
alter user 『root』@『localhost』 identified by 『修改後的密碼』;
exit;
11、允許遠端連線
/usr/local/mysql/bin/mysql -u root -p
use mysql;
update user set host=』%』 where user = 『root』;
flush privileges;
eixt;
12、新增快捷方式
ln -s /usr/local/mysql/bin/mysql /usr/bin
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