相关阅读：
MySQL8.0.20安装教程及其安装问题详细教程 http://www.zzvips.com/article/132713.html
mysql8.0.20下载安装及遇到的问题(图文详解) http://www.zzvips.com/article/132715.html
CentOS7安装Mysql8.0.20步骤：
https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-20.html
官网下载8.0.20Mysql包（bundle版本）
1.创建mysql文件夹：
|
1
2
|
[root@localhost ~]# mkdir /usr/local/mysql[root@localhost ~]# cd /usr/local/mysql/ |
将下载的mysql包放在创建的MySQL文件夹内：
|
1
2
3
|
[root@localhost mysql]# ll总用量 815000-rw-r--r--. 1 root root 834560000 5月 13 10:44 mysql-8.0.20-1.el7.x86_64.rpm-bundle.tar |
mysql的安装版MD5码查看是否和官网上的相对应：
|
1
2
|
[root@localhost mysql]# md5sum mysql-8.0.20-1.el7.x86_64.rpm-bundle.tar c8d062c1f74d9aab7dbdd5300b202b6e mysql-8.0.20-1.el7.x86_64.rpm-bundle.tar |
将mysql的包解压得到几个内安装包：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
[root@localhost mysql]# tar -xvf mysql-8.0.20-1.el7.x86_64.rpm-bundle.tar mysql-community-libs-8.0.20-1.el7.x86_64.rpmmysql-community-embedded-compat-8.0.20-1.el7.x86_64.rpmmysql-community-test-8.0.20-1.el7.x86_64.rpmmysql-community-common-8.0.20-1.el7.x86_64.rpmmysql-community-devel-8.0.20-1.el7.x86_64.rpmmysql-community-client-8.0.20-1.el7.x86_64.rpmmysql-community-libs-compat-8.0.20-1.el7.x86_64.rpmmysql-community-server-8.0.20-1.el7.x86_64.rpm[root@localhost mysql]# ll总用量 1630004-rw-r--r--. 1 root root 834560000 5月 13 10:44 mysql-8.0.20-1.el7.x86_64.rpm-bundle.tar-rw-r--r--. 1 7155 31415 48822048 3月 27 20:14 mysql-community-client-8.0.20-1.el7.x86_64.rpm-rw-r--r--. 1 7155 31415 623508 3月 27 20:14 mysql-community-common-8.0.20-1.el7.x86_64.rpm-rw-r--r--. 1 7155 31415 8129988 3月 27 20:14 mysql-community-devel-8.0.20-1.el7.x86_64.rpm-rw-r--r--. 1 7155 31415 23599996 3月 27 20:14 mysql-community-embedded-compat-8.0.20-1.el7.x86_64.rpm-rw-r--r--. 1 7155 31415 4667884 3月 27 20:14 mysql-community-libs-8.0.20-1.el7.x86_64.rpm-rw-r--r--. 1 7155 31415 1277128 3月 27 20:14 mysql-community-libs-compat-8.0.20-1.el7.x86_64.rpm-rw-r--r--. 1 7155 31415 512057468 3月 27 20:15 mysql-community-server-8.0.20-1.el7.x86_64.rpm-rw-r--r--. 1 7155 31415 235369940 3月 27 20:16 mysql-community-test-8.0.20-1.el7.x86_64.rpm |
依次安装顺序时common，libs，libs-compat，client，server：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
警告：mysql-community-common-8.0.20-1.el7.x86_64.rpm: 头V3 DSA/SHA1 Signature, 密钥 ID ********: NOKEY准备中... ################################# [100%]正在升级/安装... 1:mysql-community-common-8.0.20-1.e################################# [100%]警告：mysql-community-libs-8.0.20-1.el7.x86_64.rpm: 头V3 DSA/SHA1 Signature, 密钥 ID ********: NOKEY准备中... ################################# [100%]正在升级/安装... 1:mysql-community-libs-8.0.20-1.el7################################# [100%]警告：mysql-community-libs-compat-8.0.20-1.el7.x86_64.rpm: 头V3 DSA/SHA1 Signature, 密钥 ID ********: NOKEY准备中... ################################# [100%]正在升级/安装... 1:mysql-community-libs-compat-8.0.2################################# [100%]警告：mysql-community-client-8.0.20-1.el7.x86_64.rpm: 头V3 DSA/SHA1 Signature, 密钥 ID ********: NOKEY准备中... ################################# [100%]正在升级/安装... 1:mysql-community-client-8.0.20-1.e################################# [100%]警告：mysql-community-server-8.0.20-1.el7.x86_64.rpm: 头V3 DSA/SHA1 Signature, 密钥 ID ********: NOKEY准备中... ################################# [100%]正在升级/安装... 1:mysql-community-server-8.0.20-1.e################################# [100%] |
编辑一下/etc/my.cnf文件：
在最下面增加一行：
|
1
|
lower_case_table_names=1 |
initialize初始化：
|
1
2
|
[root@localhost mysql]# mysqld --initialize[root@localhost mysql]# |
更改一下权限：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
[root@localhost mysql]# chown -R mysql:mysql /var/lib/mysql[root@localhost mysql]# ll /var/lib/总用量 8drwxr-xr-x. 4 root root 32 5月 13 10:07 AccountsServicedrwxr-xr-x. 2 root root 6 8月 3 2017 alsadrwxr-xr-x. 2 root root 274 5月 13 10:14 alternativesdrwx------. 3 root root 18 5月 13 10:17 authconfigdrwxr-xr-x. 2 root root 6 8月 3 2017 bluetoothdrwxr-xr-x. 2 chrony chrony 6 8月 4 2017 chronydrwxr-xr-x. 3 root root 17 5月 13 10:06 colordrwxr-xr-x. 4 colord colord 67 5月 13 10:23 colorddrwxr-xr-x. 2 root root 6 11月 7 2016 dbusdrwxr-xr-x. 2 root root 6 8月 4 2017 dhclientdrwxr-xr-x. 2 root root 6 8月 3 2017 dnsmasqdrwxr-xr-x. 3 root root 34 5月 13 10:24 flatpakdrwxr-xr-x. 2 root root 6 6月 24 2014 fprintdrwxr-xr-x. 2 root root 6 11月 5 2016 gamesdrwxrwx--T. 5 gdm gdm 70 5月 13 10:23 gdmdrwxr-xr-x. 2 geoclue geoclue 6 8月 2 2017 geocluedrwxr-xr-x. 4 root root 55 5月 13 02:22 gssproxydrwxr-xr-x. 2 root root 6 8月 2 2017 hypervdrwxr-xr-x. 2 root root 6 8月 5 2017 initramfsdrwxr-xr-x. 8 root root 90 5月 13 10:07 iscsidrwxr-xr-x. 8 root root 93 5月 13 10:08 libvirtdrwxr-xr-x. 2 root root 6 11月 6 2016 lldpaddrwxr-xr-x. 2 root root 6 8月 2 2017 logrotatedrwx------. 2 root root 6 5月 13 10:06 machinesdrwxr-xr-x. 2 root root 37 5月 13 02:22 miscdrwxr-x---. 2 root slocate 6 11月 5 2016 mlocatedrwxr-x--x. 6 mysql mysql 4096 5月 13 11:05 mysql |
启动mysql服务看一下服务状态，看Active这一行的状态：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
[root@localhost mysql]# systemctl start mysqld.service [root@localhost mysql]# systemctl status mysqld.service ● mysqld.service - MySQL Server Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled) Active: active (running) since 三 2020-05-13 11:09:35 CST; 8s ago Docs: man:mysqld(8) http://dev.mysql.com/doc/refman/en/using-systemd.html Process: 16795 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS) Main PID: 16829 (mysqld) Status: "Server is operational" CGroup: /system.slice/mysqld.service └─16829 /usr/sbin/mysqld5月 13 11:09:24 localhost.localdomain systemd[1]: Starting MySQL Server...5月 13 11:09:35 localhost.localdomain systemd[1]: Started MySQL Server.[root@localhost mysql]# |
查看数据库初始的密码：
|
1
2
3
|
[root@localhost mysql]# cat /var/log/mysqld.log | grep password2020-05-13T03:05:16.041238Z 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: n_t#tk.Z?7)f |
使用初始密码登陆数据库：后更改密码：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
[root@localhost mysql]# mysql -uroot -pEnter password: Welcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 8Server version: 8.0.20Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql>mysql> ALTER user 'root'@'localhost' identified with mysql_native_password by '123456';Query OK, 0 rows affected (0.04 sec)mysql> exitBye[root@localhost mysql]# mysql -uroot -pEnter password: Welcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 9Server version: 8.0.20 MySQL Community Server - GPLCopyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> SELECT VERSION;ERROR 1054 (42S22): Unknown column 'VERSION' in 'field list'mysql> SELECT VERSION();+-----------+| VERSION() |+-----------+| 8.0.20 |+-----------+1 row in set (0.00 sec)mysql> |
到此可以正常登陆数据库了，可以自行查找开启远程方式。
总结
到此这篇关于CentOS7版本安装Mysql8.0.20版本数据库的详细教程的文章就介绍到这了,更多相关CentOS7安装Mysql8.0数据库内容请搜索服务器之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持服务器之家！
原文链接：https://blog.csdn.net/Insupport/article/details/106094088
