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MySQL ์„ค์น˜ On Ubuntu

MySQL ์„ค์น˜ On Ubuntu

ํŒจํ‚ค์ง€ ๋ชฉ๋ก ์—…๋ฐ์ดํŠธ

sudo apt update
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์„ค์น˜ ์—๋Ÿฌ ์‹œ, wsl1 โ†’ 2 ์—…๊ทธ๋ ˆ์ด๋“œ

MySQL ํŒจํ‚ค์ง€ ๋ชฉ๋ก ํ™•์ธ

sudo apt list | grep mysql-server
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MySQL ์„ค์น˜

sudo apt install mysql-server
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MySQL ์„œ๋น„์Šค ์ƒํƒœ

sudo service mysql status
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MySQL ์„œ๋น„์Šค ์‹œ์ž‘

sudo service mysql start
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root ๊ด€๋ฆฌ์ž ๊ณ„์ • ์„ค์ •

sudo mysql_secure_installation
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password : 123456

๋ณด์•ˆ ์„ค์ • (root ๋น„๋ฐ€๋ฒˆํ˜ธ, ์›๊ฒฉ์ ‘์† ๋“ฑ)

sudo mysql_secure_installation
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Securing the MySQL server deployment.
Connecting to MySQL using a blank password.
VALIDATE PASSWORD COMPONENT can be used to test passwords and improve security. It checks the strength of password and allows the users to set only those passwords which are secure enough. Would you like to setup VALIDATE PASSWORD component?
MySQL ์„œ๋ฒ„ ๋ณด์•ˆ ์„ค์ • ์ค‘์ž…๋‹ˆ๋‹ค.
๋น„๋ฐ€๋ฒˆํ˜ธ ์—†์ด MySQL์— ์ ‘์† ์ค‘์ž…๋‹ˆ๋‹ค.
VALIDATE PASSWORD COMPONENT๋Š” ๋น„๋ฐ€๋ฒˆํ˜ธ๋ฅผ ๊ฒ€์‚ฌํ•˜๊ณ  ๋ณด์•ˆ์„ ๊ฐ•ํ™”ํ•˜๋Š” ๋ฐ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์ด ์ปดํฌ๋„ŒํŠธ๋Š” ๋น„๋ฐ€๋ฒˆํ˜ธ ๊ฐ•๋„๋ฅผ ํ™•์ธํ•˜๋ฉฐ, ์ถฉ๋ถ„ํžˆ ์•ˆ์ „ํ•œ ๋น„๋ฐ€๋ฒˆํ˜ธ๋งŒ ์„ค์ •ํ•  ์ˆ˜ ์žˆ๋„๋ก ํ—ˆ์šฉํ•ฉ๋‹ˆ๋‹ค.
VALIDATE PASSWORD COMPONENT๋ฅผ ์„ค์ •ํ•˜์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ?
y
There are three levels of password validation policy:
LOW Length >= 8 MEDIUM Length >= 8, numeric, mixed case, and special characters STRONG Length >= 8, numeric, mixed case, special characters and dictionary file
Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG:
๋น„๋ฐ€๋ฒˆํ˜ธ ๊ฒ€์ฆ ์ •์ฑ…์—๋Š” ์„ธ ๊ฐ€์ง€ ์ˆ˜์ค€์ด ์žˆ์Šต๋‹ˆ๋‹ค:
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LOW : ๊ธธ์ด โ‰ฅ 8
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MEDIUM : ๊ธธ์ด โ‰ฅ 8, ์ˆซ์ž ํฌํ•จ, ๋Œ€/์†Œ๋ฌธ์ž ํ˜ผํ•ฉ, ํŠน์ˆ˜ ๋ฌธ์ž ํฌํ•จ
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STRONG : ๊ธธ์ด โ‰ฅ 8, ์ˆซ์ž ํฌํ•จ, ๋Œ€/์†Œ๋ฌธ์ž ํ˜ผํ•ฉ, ํŠน์ˆ˜ ๋ฌธ์ž ํฌํ•จ, ์‚ฌ์ „ ํŒŒ์ผ ๊ฒ€์‚ฌ
์„ ํƒํ•ด์ฃผ์„ธ์š”:
0
Skipping password set for root as authentication with auth_socket is used by default. If you would like to use password authentication instead, this can be done with the "ALTER_USER" command. See https://dev.mysql.com/doc/refman/8.0/en/alter-user.html#alter-user-password-management for more information.
By default, a MySQL installation has an anonymous user, allowing anyone to log into MySQL without having to have a user account created for them. This is intended only for testing, and to make the installation go a bit smoother. You should remove them before moving into a production environment.
๊ธฐ๋ณธ์ ์œผ๋กœ auth_socket ์ธ์ฆ์ด ์‚ฌ์šฉ๋˜๋ฏ€๋กœ root ๋น„๋ฐ€๋ฒˆํ˜ธ ์„ค์ •์€ ๊ฑด๋„ˆ๋œ๋‹ˆ๋‹ค.
๋น„๋ฐ€๋ฒˆํ˜ธ ์ธ์ฆ์„ ์‚ฌ์šฉํ•˜๋ ค๋ฉด "ALTER_USER" ๋ช…๋ น์–ด๋กœ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์ž์„ธํ•œ ๋‚ด์šฉ์€ ๊ณต์‹ ๋ฌธ์„œ ๋ฅผ ์ฐธ๊ณ ํ•˜์„ธ์š”.
๊ธฐ๋ณธ์ ์œผ๋กœ MySQL ์„ค์น˜ ์‹œ ์ต๋ช… ์‚ฌ์šฉ์ž(anonymous user) ๊ฐ€ ํฌํ•จ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.
์ด ๊ณ„์ •์„ ์‚ฌ์šฉํ•˜๋ฉด ๊ณ„์ •์„ ๋”ฐ๋กœ ๋งŒ๋“ค์ง€ ์•Š์•„๋„ ๋ˆ„๊ตฌ๋‚˜ MySQL์— ๋กœ๊ทธ์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์ด ์„ค์ •์€ ๋‹จ์ˆœํžˆ ํ…Œ์ŠคํŠธ ๋ชฉ์ ๊ณผ ์„ค์น˜ ํŽธ์˜๋ฅผ ์œ„ํ•ด ์กด์žฌํ•ฉ๋‹ˆ๋‹ค.
์šด์˜ ํ™˜๊ฒฝ์œผ๋กœ ์ด์ „ํ•˜๊ธฐ ์ „์— ๋ฐ˜๋“œ์‹œ ์ต๋ช… ์‚ฌ์šฉ์ž๋ฅผ ์ œ๊ฑฐํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
n

auth_socket ํ”Œ๋Ÿฌ๊ทธ์ธ ์ด๋ž€?

MySQL 8์—์„œ ๊ธฐ๋ณธ์œผ๋กœ ์ ์šฉ๋˜๋Š” ์ธ์ฆ ๋ฐฉ์‹ ์ค‘ ํ•˜๋‚˜์ž…๋‹ˆ๋‹ค.
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์ด๋ฆ„ ๊ทธ๋Œ€๋กœ ๋ฆฌ๋ˆ…์Šค/์œ ๋‹‰์Šค ์†Œ์ผ“ ์ธ์ฆ์„ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.
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์ฆ‰, MySQL ๋‚ด๋ถ€ ๊ณ„์ • ๋น„๋ฐ€๋ฒˆํ˜ธ๋ฅผ ๋”ฐ๋กœ ์“ฐ๋Š” ๊ฒŒ ์•„๋‹ˆ๋ผ,
์šด์˜์ฒด์ œ(OS)์˜ ๋กœ๊ทธ์ธ ์‚ฌ์šฉ์ž ๊ณ„์ •์„ ํ™•์ธํ•ด์„œ ์ธ์ฆํ•ฉ๋‹ˆ๋‹ค.
Normally, root should only be allowed to connect from 'localhost'. This ensures that someone cannot guess at the root password from the network.
Disallow root login remotely?
๋ณดํ†ต root ๊ณ„์ •์€ 'localhost'์—์„œ๋งŒ ์ ‘์† ๊ฐ€๋Šฅํ•˜๋„๋ก ์„ค์ •ํ•˜๋Š” ๊ฒƒ์ด ์ข‹์Šต๋‹ˆ๋‹ค.
์ด๋ ‡๊ฒŒ ํ•ด์•ผ ๋„คํŠธ์›Œํฌ๋ฅผ ํ†ตํ•ด ๋ˆ„๊ตฐ๊ฐ€๊ฐ€ root ๋น„๋ฐ€๋ฒˆํ˜ธ๋ฅผ ์ถ”์ธกํ•˜๋Š” ๊ฒƒ์„ ๋ฐฉ์ง€ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
root ๊ณ„์ •์˜ ์›๊ฒฉ ์ ‘์†์„ ๊ธˆ์ง€ํ•˜์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ?
n
By default, MySQL comes with a database named 'test' that anyone can access. This is also intended only for testing, and should be removed before moving into a production environment.
Remove test database and access to it?
๊ธฐ๋ณธ์ ์œผ๋กœ MySQL์—๋Š” **'test'**๋ผ๋Š” ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค๊ฐ€ ํฌํ•จ๋˜์–ด ์žˆ์œผ๋ฉฐ, ๋ˆ„๊ตฌ๋‚˜ ์ ‘๊ทผํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์ด ์—ญ์‹œ ํ…Œ์ŠคํŠธ ์šฉ๋„๋กœ๋งŒ ์ œ๊ณต๋˜๋ฏ€๋กœ, ์šด์˜ ํ™˜๊ฒฝ์œผ๋กœ ์ด์ „ํ•˜๊ธฐ ์ „์— ์‚ญ์ œํ•˜๋Š” ๊ฒƒ์ด ์ข‹์Šต๋‹ˆ๋‹ค.
test ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค์™€ ์ ‘๊ทผ ๊ถŒํ•œ์„ ์‚ญ์ œํ•˜์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ?
n
Reloading the privilege tables will ensure that all changes made so far will take effect immediately.
Reload privilege tables now?
๊ถŒํ•œ ํ…Œ์ด๋ธ”์„ ๋‹ค์‹œ ๋กœ๋“œํ•˜๋ฉด ์ง€๊ธˆ๊นŒ์ง€ ์ ์šฉํ•œ ๋ชจ๋“  ๋ณ€๊ฒฝ ์‚ฌํ•ญ์ด ์ฆ‰์‹œ ๋ฐ˜์˜๋ฉ๋‹ˆ๋‹ค.
์ง€๊ธˆ ๊ถŒํ•œ ํ…Œ์ด๋ธ”์„ ๋‹ค์‹œ ๋กœ๋“œํ•˜์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ?
y
Success. All done!
์„ฑ๊ณตํ–ˆ์Šต๋‹ˆ๋‹ค.
๋ชจ๋“  ์ž‘์—…์ด ์™„๋ฃŒ๋˜์—ˆ์Šต๋‹ˆ๋‹ค!

์„œ๋น„์Šค ์‹คํ–‰ ๋ฐ ๋ถ€ํŒ… ์‹œ ์ž๋™ ์‹œ์ž‘

sudo systemctl enable mysql
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sudo systemctl start mysql
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์ƒํƒœ ํ™•์ธ

systemctl status mysql
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๊ธฐ๋ณธ ๊ณ„์ • ์ƒ์„ฑ

username
user
password
12345678
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root ๊ณ„์ • ์ ‘์†
sudo mysql -u root -p
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auth_socket ๋ฐฉ์‹์œผ๋กœ ์—”ํ„ฐ๋งŒ ๋ˆ„๋ฅด๊ณ  ํŒจ์Šค
[์—”ํ„ฐ]
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๊ณ„์ • ์กฐํšŒ
SELECT user, host FROM mysql.user;
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๊ณ„์ • ์ƒ์„ฑ
CREATE USER 'user'@'%' IDENTIFIED BY '12345678';
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๊ถŒํ•œ ๋ถ€์—ฌ
GRANT ALL PRIVILEGES ON *.* TO 'user'@'%' WITH GRANT OPTION;
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๊ถŒํ•œ ์ ์šฉ
FLUSH PRIVILEGES;
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MySQL ์ ‘์† ์ข…๋ฃŒ
Ctrl + Z
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๊ณ„์ • ์ ‘์†
sudo mysql -u user -p
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๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์ƒ์„ฑ

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๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค(์Šคํ‚ค๋งˆ) ์ƒ์„ฑ : krules
CREATE DATABASE krules CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
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๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ํ™•์ธ
SHOW DATABASES;
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Mysql ์‹คํ–‰

mysql
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