linux上安裝

轉(zhuǎn)至https://blog.csdn.net/sndayyu/article/details/96745748

1.卸載mariadb

[root@localhost ~]# rpm -qa |grep mariadb

mariadb-libs-5.5.41-2.el7_0.x86_64

[root@localhost~]# rpm -qa | grep mariadb-server[root@localhost~]# rpm -e --nodeps mariadb-libs-5.5.41-2.el7_0.x86_64

[root@localhost~]# rpm -qa |grep mariadb

2、下載解壓

.windows上安裝簡單自行百度。這里介紹linux安裝流程

下載對應(yīng)版?,然后上傳到linux上

或者直接在linux：

[root@localhost ~]# cd /usr/local

[root@localhost local]# mkdir mysql

[root@localhost local]# cd mysql

[root@localhost mysql]# wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.27-1.el7.x86_64.rpm-bundle.tar

傳上去或者下載完成后解壓：

[root@localhost mysql]# tar -vxf mysql-5.7.27-1.el7.x86_64.rpm-bundle.tar

mysql-community-libs-5.7.27-1.el7.x86_64.rpm

mysql-community-embedded-devel-5.7.27-1.el7.x86_64.rpm

mysql-community-libs-compat-5.7.27-1.el7.x86_64.rpm

mysql-community-devel-5.7.27-1.el7.x86_64.rpm

mysql-community-embedded-compat-5.7.27-1.el7.x86_64.rpm

mysql-community-common-5.7.27-1.el7.x86_64.rpm

mysql-community-client-5.7.27-1.el7.x86_64.rpm

mysql-community-server-5.7.27-1.el7.x86_64.rpm

mysql-community-test-5.7.27-1.el7.x86_64.rpm

mysql-community-embedded-5.7.27-1.el7.x86_64.rpm

3.安裝下面四個

rpm -ivh mysql-community-common-5.7.27-1.el7.x86_64.rpm

rpm-ivh mysql-community-libs-5.7.27-1.el7.x86_64.rpm

rpm-ivh mysql-community-client-5.7.27-1.el7.x86_64.rpm

rpm-ivh mysql-community-server-5.7.27-1.el7.x86_64.rpm --nodeps

4.配置

1.如果是以root用戶mysql服務(wù),需要執(zhí)行以下初始化

mysqld --initialize --user=mysql

2.修改/etc/my.cnf 在末尾加上skip-grant-tables 表示可以沒密碼登錄，授權(quán)跳過。后面這行還是需要去掉的

3.重啟mysql服務(wù)：systemctl restart mysqld

5.無密碼啟動并修改mysql密碼,刷新退出

mysql -u root

update mysql.user set authentication_string=password('1234') where user='root';

flush privileges;

quit;

6.刪除my.cnf中的最后一行、重啟服務(wù)

[root@localhost mysql]# systemctl stop mysqld

[root@localhost mysql]# systemctl start mysqld

[root@localhost mysql]# mysql-uroot -p1234

7.遠(yuǎn)程訪問權(quán)限

mysql>use mysql

ERROR1820 (HY000): You must reset your password using ALTER USER statement before executing thisstatement.

mysql> alter user 'root'@'localhost' identified by '1234';

Query OK,0 rows affected (0.00sec)

mysql>flush privileges;

Query OK,0 rows affected (0.00sec)

mysql>use mysql;

Reading table informationforcompletion of table and column names

You can turn offthis feature to get a quicker startup with -A

Database changed

mysql> update user set host='%' where user='root';

Query OK,1 row affected (0.00sec)

Rows matched:1 Changed: 1 Warnings: 0mysql>select host,user from user;+-----------+---------------+

| host | user |

+-----------+---------------+

| % | root |

| localhost | mysql.session |

| localhost | mysql.sys |

+-----------+---------------+

3 rows in set (0.00sec)

mysql>quit

Bye[root@localhost~]# systemctl stop mysqld;[root@localhost~]# systemctl start mysqld;

8.關(guān)閉防火墻? 測試遠(yuǎn)程連接

[root@localhost ~]# systemctl stop firewalld

windows上安裝(解壓版)

1.壞境變量path中添加mysql解壓后的bin目錄

2.在mysql的解壓目錄下(D:\dev\database\mysql-8.0.18-winx64)添加配置文件mysql.ini

[mysql]

# 設(shè)置mysql客戶端默認(rèn)字符集

default-character-set=utf8

[mysqld]

# 綁定IPv4

bind-address=0.0.0.0

# 設(shè)置端口號

port=3306

# 設(shè)置mysql的安裝目錄，即解壓目錄

basedir=D:\\dev\\database\\mysql-8.0.18-winx64

# 設(shè)置數(shù)據(jù)庫的數(shù)據(jù)存放目錄

datadir=D:\\dev\database\\mysql-8.0.18-winx64\\data

# 設(shè)置允許最大連接數(shù)

max_connections=200

# 設(shè)置允許連接失敗次數(shù)

max_connect_errors=10

# 設(shè)置服務(wù)端的默認(rèn)字符集

character-set-server=utf8

# 創(chuàng)建表使用的默認(rèn)存儲引擎

default-storage-engine=INNODB

# 使用“mysql_native_password”插件認(rèn)證

default_authentication_plugin=mysql_native_password

3.初始化mysql，管理員cmd: mysqld --initialize --console

4.安裝mysql服務(wù)：mysqld --install mysql --defaults-file="D:\dev\database\mysql-8.0.18-winx64\mysql.ini"

5.退出：quit/exit

6.啟動服務(wù)，管理員cmd：net start mysql(我的服務(wù)名是這個，也可以通過管理--服務(wù)界面手動開啟)

7.使用剛才的密碼登陸：mysql -uroot -p 密碼(登陸如果卡死的話，多重啟幾次服務(wù))

8.修改密碼，推出重登即可：ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '新密碼';

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