MySQL 8 setup for IceWarp on Centos 8 Stream

The following steps guide you through installing the latest MySQL Community Server on CentOS 8.

A couple differences from prior guides is the later MySQL versions need to have lower case table names enabled before first start initialization and tls connections are enabled by default.

 

Centos 8 itself has its own mysql in the app repo. That has to be disabled in order to use the latest MySQL.

 

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Add mysql community repository:

rpm -Uvh https://dev.mysql.com/get/mysql80-community-release-el8-4.noarch.rpm

 

Disable default mysql module:

yum module disable mysql

 

Install mysql community server:

yum install mysql-community-server

 

At this point do not start mysqld.

Edits need to be made so mysql initializes its system databases with lower case table names.

nano /etc/my.cnf

add the following under the [mysqld] section.

lower_case_tables_names=1

 

Start mysql:

systemctl start mysqld

 

Verify status:

systemctl status mysqld

 

Locate temporary password:

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

 

Run the secure installation wizard.

mysql_secure_installation

(The main goal here is the resetting of the root mysql password)

 

IceWarp uses the native mysql password schema.

Edit my.cnf to set it as the default:

nano /etc/my.cnf

add the following under the [mysqld] section.

default_authentication_plugin=mysql_native_password

 

Restart mysql:

systemctl restart mysqld

 

 

The latest version of mysql enables ssl connections.

If IceWarp has problems connecting, the mysql feature can be disabled so it functions as previously.

nano /etc/my.cnf

add the following under the [mysqld] section.

tls_version=''

 

Restart mysql:

systemclt restart mysqld

 

 

Create databases, user, and assign privileges:

Login:

mysql -u root -p

Run the following commands:

create database icewarp_accounts DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
create database icewarp_antispam DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
create database icewarp_groupware DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
create database icewarp_dircache DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
create database icewarp_webcache DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
create database icewarp_activesync DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
create database icewarp_reports DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
create user ‘user’@’%’ identified with mysql_native_password by ‘userspassword’;

grant all on icewarp_accounts.* to 'user'@'%';

grant all on icewarp_antispam.* to 'user'@'%';

grant all on icewarp_groupware.* to 'user'@'%';

grant all on icewarp_dircache.* to 'user'@'%';

grant all on icewarp_webcache.* to 'user'@'%';

grant all on icewarp_activesync.* to 'user'@'%';

grant all on icewarp_reports.* to 'user'@'%';

 

Quit the mysql console.

 

Login using the IceWarp Console.

Go to File > API Console, search for mysqldefaultcharset and set to utf8mb4.