DBMS / Redis 설치

Redis 설치

yum -y install redis
systemctl enable redis
systemctl restart redis

MySQL/Maria DB 설치

MySQL 5.7

• MySQL 5.7 설치

1. repository 설치

   rpm -ivh https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm

2. MySQL 설치

   yum install mysql-community-server

3. 기존 암호 규칙을 사용하기 위해 password 정책 수정

   echo 'validate_password_policy=LOW' >> /etc/my.cnf
   echo 'default_password_lifetime=0' >> /etc/my.cnf

4. MySQL 초기 암호 확인

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

5. MySQL root 로 로그인

   mysql -u root -p

1. MySQL 초기 암호 변경

   mysql> set password=password('qwert123');
   mysql> flush privileges;
2. systemctl 로 자동 구동

   systemctl enable mysqld
   systemctl start mysqld

설정

1. my.cnf 설정

시스템별 최적 설정은 https://tools.percona.com/wizard 에서 설정

  vim /etc/my.cnf

   [mysqld]
   collation-server = utf8mb4_unicode_ci
   character-set-server = utf8mb4
   skip-character-set-client-handshake

   default-storage-engine         = InnoDB
   socket                         = /var/lib/mysql/mysql.sock
   pid-file                       = /var/lib/mysql/mysql.pid

   max-allowed-packet             = 256M
   datadir                        = /var/lib/mysql/

   # # LOGGING #
   log-error                      = /var/lib/mysql/mysql-error.log
   log-queries-not-using-indexes  = 1
   slow-query-log                 = 1
   slow-query-log-file            = /var/lib/mysql/mysql-slow.log

   # Disabling symbolic-links is recommended to prevent assorted security risks
   symbolic-links=0

   validate_password_policy=LOW
   default_password_lifetime=0