1단계: MySQL APT 저장소 추가
sudo apt update
sudo apt install wget -y
wget https://dev.mysql.com/get/mysql-apt-config_0.8.12-1_all.deb
sudo dpkg -i mysql-apt-config_0.8.12-1_all.deb
2단계: MySQL 리포지토리 업데이트
sudo apt-get update
$ sudo apt-cache policy mysql-server
mysql-server:
Installed: (none)
Candidate: 8.0.26-0ubuntu0.20.04.2
Version table:
8.0.26-0ubuntu0.20.04.2 500
500 http://mirrors.digitalocean.com/ubuntu focal-updates/main amd64 Packages
500 http://security.ubuntu.com/ubuntu focal-security/main amd64 Packages
8.0.19-0ubuntu5 500
500 http://mirrors.digitalocean.com/ubuntu focal/main amd64 Packages
5.7.35-1ubuntu18.04 500
500 http://repo.mysql.com/apt/ubuntu bionic/mysql-5.7 amd64 Packages
3단계: Ubuntu 20.04에 MySQL 5.7 설치
sudo apt install -f mysql-client=5.7* mysql-community-server=5.7* mysql-server=5.7*
Reading package lists... Done
Building dependency tree
Reading state information... Done
Selected version '5.7.35-1ubuntu18.04' (MySQL:repo.mysql.com [amd64]) for 'mysql-client'
Selected version '5.7.35-1ubuntu18.04' (MySQL:repo.mysql.com [amd64]) for 'mysql-community-server'
Selected version '5.7.35-1ubuntu18.04' (MySQL:repo.mysql.com [amd64]) for 'mysql-server'
The following additional packages will be installed:
libmecab2 libtinfo5 mysql-common mysql-community-client
The following NEW packages will be installed:
libmecab2 libtinfo5 mysql-client mysql-common mysql-community-client mysql-community-server mysql-server
0 upgraded, 7 newly installed, 0 to remove and 90 not upgraded.
Need to get 51.6 MB of archives.
After this operation, 315 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
4단계: 안전한 MySQL 5.7 설치
sudo mysql_secure_installation
Enter current password for root (enter for none): <Enter password>
VALIDATE PASSWORD PLUGIN 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 plugin?
Press y|Y for Yes, any other key for No: 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
Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG: 1
Using existing password for root.
Estimated strength of the password: 25
Change the password for root ? ((Press y|Y for Yes, any other key for No) : d
Remove anonymous users? [Y/n] Y
Disallow root login remotely? [Y/n] Y
Remove test database and access to it? [Y/n] Y
Reload privilege tables now? [Y/n] Y
Thanks for using MariaDB!
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