Centos7.6 離線安裝mysql-5.7.26

安裝包下載

https://dev.mysql.com/downloads/mysql/ 
根據系統版本下載 

下載安裝包： mysql-5.7.26-1.el7.x86_64.rpm-bundle.tar

 

安裝新版mysql前，需將系統自帶的mariadb-lib卸載
[root@hadoop01 ~]# rpm -qa|grep mariadb
mariadb-libs-5.5.56-2.el7.x86_64
[root@hadoop01 ~]# rpm -e --nodeps mariadb-libs-5.5.56-2.el7.x86_64
[root@hadoop01 ~]# rpm -qa|grep mariadb
或者
yum remove mariadb


解壓安裝包
[root@hadoop01 mysql-5.7]# tar -xvf mysql-5.7.26-1.el7.x86_64.rpm-bundle.tar
mysql-community-embedded-devel-5.7.26-1.el7.x86_64.rpm
mysql-community-libs-5.7.26-1.el7.x86_64.rpm
mysql-community-embedded-5.7.26-1.el7.x86_64.rpm
mysql-community-test-5.7.26-1.el7.x86_64.rpm
mysql-community-embedded-compat-5.7.26-1.el7.x86_64.rpm
mysql-community-common-5.7.26-1.el7.x86_64.rpm
mysql-community-devel-5.7.26-1.el7.x86_64.rpm
mysql-community-client-5.7.26-1.el7.x86_64.rpm
mysql-community-server-5.7.26-1.el7.x86_64.rpm
mysql-community-libs-compat-5.7.26-1.el7.x86_64.rpm


安裝mysql-community-common-5.7.26-1.el7.x86_64.rpm
[root@hadoop01 mysql-5.7]# rpm -ivh mysql-community-common-5.7.26-1.el7.x86_64.rpm
warning: mysql-community-common-5.7.26-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing...                          ################################# [100%]
Updating / installing...
   1:mysql-community-common-5.7.26-1.e################################# [100%]



安裝mysql-community-libs-5.7.26-1.el7.x86_64.rpm
[root@hadoop01 mysql-5.7]# rpm -ivh mysql-community-libs-5.7.26-1.el7.x86_64.rpm
warning: mysql-community-libs-5.7.26-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing...                          ################################# [100%]
Updating / installing...
   1:mysql-community-libs-5.7.26-1.el7################################# [100%]


安裝mysql-community-client-5.7.26-1.el7.x86_64.rpm
[root@hadoop01 mysql-5.7]# rpm -ivh mysql-community-client-5.7.26-1.el7.x86_64.rpm
warning: mysql-community-client-5.7.26-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing...                          ################################# [100%]
Updating / installing...
   1:mysql-community-client-5.7.26-1.e################################# [100%]


安裝mysql-community-server-5.7.20-1.el7.x86_64.rpm
在安裝之前需要安裝libaio
[root@hadoop01 mysql-5.7]# rpm -qa|grep libaio
libaio-0.3.109-13.el7.x86_64

或者 yum install -y libaio

如果不存需要下載離線包： 
http://mirror.centos.org/centos/6/os/x86_64/Packages/ 


安裝libaio庫：
rpm -ivh libaio-0.3.107-10.el6.x86_64.rpm（若在有網情況下可執行yum install libaio）


安裝server，rpm -ivh mysql-community-server-5.7.26-1.el7.x86_64.rpm
[root@hadoop01 mysql-5.7]# rpm -ivh mysql-community-server-5.7.26-1.el7.x86_64.rpm
warning: mysql-community-server-5.7.26-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing...                          ################################# [100%]
Updating / installing...
   1:mysql-community-server-5.7.26-1.e################################# [100%]
如果提示沒有 perl 則， 安裝 yum install -y perl




初始化數據庫
// 指定datadir, 執行后會生成~/.mysql_secret密碼文件（5.7以后不在使用）
[root@hadoop01 mysql-5.7]# mysql_install_db --datadir=/var/lib/mysql
 
// 初始化，執行生會在/var/log/mysqld.log生成隨機密碼
[root@hadoop01 mysql-5.7]# mysqld --initialize


更改mysql數據庫目錄的所屬用戶及其所屬組（沒用創建mysql用戶）
[root@hadoop01 mysql-5.7]# chown mysql:mysql /var/lib/mysql -R

啟動mysql
[root@hadoop01 mysql-5.7]# systemctl start mysqld.service

授權
[root@hadoop01 mysql-5.7]# chmod -R 777 mysql

查看效果
[root@hadoop01 mysql-5.7]# systemctl status mysqld.service


修改MySQL的登錄設置
[root@hadoop01 mysql-5.7]# vim /etc/my.cnf
在[mysqld]的段中加上一句：skip-grant-tables 

重新啟動mysqld 
[root@hadoop01 mysql-5.7]# service mysqld restart
Redirecting to /bin/systemctl restart mysqld.service

查看初始密碼

命令：cat /root/.mysql_secret

復制下來初始的密碼，做登錄使用 

命令：bin/mysql -uroot -p

密碼就是剛才復制的密碼，粘貼進去回車即可。

登錄並修改MySQL的root密碼
[root@hadoop01 mysql-5.7]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.7.26 MySQL Community Server (GPL)
 
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
 
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
 
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
 
# 修改root用戶的密碼
mysql> update mysql.user set authentication_string=password('你要修改的密碼') where user='root';
Query OK, 1 row affected, 1 warning (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 1
 
# 刷新該表
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
 
# 退出MySQL
mysql> quit;
Bye
將MySQL的登錄設置修改回來 

重新啟動mysqld
[root@hadoop01 mysql-5.7]# service mysqld restart
Redirecting to /bin/systemctl restart mysqld.service
登錄到mysql，更改root用戶的密碼 
命令可以查看初始密碼

grep 'temporary password' /var/log/mysqld.log

[root@hadoop01 mysql-5.7]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.7.26 MySQL Community Server (GPL)
 
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
 
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
 
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
 
# 修改root用戶的密碼
mysql> set password=password('你要修改的密碼');
Query OK, 1 row affected, 1 warning (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 1
 
# 刷新該表
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
 
# 退出MySQL
mysql> quit;
Bye
 遠程登陸授權
[root@hadoop01 mysql-5.7]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.7.26 MySQL Community Server (GPL)
 
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
 
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
 
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
 
# root用戶遠程登錄
mysql> grant all privileges on *.* to 'root'@'%' identified by '你的密碼' with grant option;
Query OK, 0 rows affected, 1 warning (0.00 sec)
 
# 刷新表
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
 
# 退出MySQL
mysql> quit;
Bye
設置mysql開機啟動 
// 檢查是否已經是開機啟動
[root@hadoop01 mysql-5.7]# systemctl list-unit-files | grep mysqld


// 開機啟動
[root@hadoop01 mysql-5.7]# systemctl enable mysqld.service
默認配置文件路徑：
配置文件：/etc/my.cnf 
日志文件：/var/log/mysqld.log 
服務啟動腳本：/usr/lib/systemd/system/mysqld.service 
socket文件：/var/run/mysqld/mysqld.pid
配置默認編碼為utf8
修改/etc/my.cnf配置文件，在[mysqld]下添加編碼配置，如下所示：
[mysqld]
character_set_server=utf8
init_connect='SET NAMES utf8'