linux上安装mysql5.7
1、下載tar包,這里使用wget從官網下載
wget?https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz
2、將mysql安裝到/usr/local/mysql下
# 解壓
tar -xvf?mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz
# 移動
mv?mysql-5.7.22-linux-glibc2.12-x86_64 /usr/local/
# 重命名
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用戶、mysql用戶組
# mysql用戶組
groupadd mysql
# mysql用戶
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
# 如果出現以下錯誤:
?
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 --
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# 則使用以下命令:
/usr/local/mysql/bin/mysqld --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data --initialize# 如果出現以下錯誤:
/usr/local/mysql/bin/mysqld: error while loading shared libraries: libnuma.so.1: cannot open shared object file: No such file or directory# 則執行以下命令:
yum -y install numactl
# 完成后繼續安裝:
/usr/local/mysql/bin/mysqld --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data --initialize# 編輯/etc/my.cnf
7、開啟服務
# 將mysql加入服務
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql
# 開機自啟
chkconfig mysql on
# 開啟
service mysql start
8、設置密碼
# 登錄(由于/etc/my.cnf中設置了取消密碼驗證,所以此處密碼任意)
/usr/local/mysql/bin/mysql -u root -p
# 操作mysql數據庫
>>use mysql;
# 修改密碼
>>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、登錄再次設置密碼(不知道為啥如果不再次設置密碼就操作不了數據庫了)
/usr/local/mysql/bin/mysql -u root -p
?>>ALTER USER 'root'@'localhost' IDENTIFIED BY '修改后的密碼';
>>exit;
11、允許遠程連接
/usr/local/mysql/bin/mysql -u root -p
>>use mysql;
>>update user set host='%' where user = 'root';
>>flush privileges;
>>eixt;
12、添加快捷方式
ln -s /usr/local/mysql/bin/mysql /usr/bin
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轉載于:https://www.cnblogs.com/dennyxiao/p/10429337.html
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