![]() Warning: Unable to load '/usr/share/zoneinfo/leap-seconds.list' as time zone. Warning: Unable to load '/usr/share/zoneinfo/iso3166.tab' as time zone. Version: '8.0.19' socket: '/var/run/mysqld/mysqld.sock' port: 0 MySQL Community Server - GPL. T04:26:59.470761Z 0 Insecure configuration for -pid-file: Location '/var/run/mysqld' in the path is accessible to all OS users. T04:26:59.443578Z 0 CA certificate ca.pem is self signed. Consider not using this option as it' is deprecated and will be removed in a future release. T04:26:57.915596Z 0 'Disabling symbolic links using -skip-symbolic-links (or equivalent) is the default. **T04:26:51.726481Z 5 is created with an empty password ! Please consider switching off the -initialize-insecure option.** T04:26:47.426414Z 0 /usr/sbin/mysqld (mysqld 8.0.19) initializing of server in progress as process 44 T04:26:47.426283Z 0 'Disabling symbolic links using -skip-symbolic-links (or equivalent) is the default. I see a log where the is created without a password, but the MYSQL_ROOT_PASSWORD environment variable is cloud-user]# kubectl logs -f katib-mysql-dcf7dcbd5-x7bjc -n kubeflow Socket: '/var/run/mysqld/mysqlx.sock' bind-address: '::' port: 33060 Version: '8.0.19' socket: '/var/run/mysqld/mysqld.sock' port: 3306 MySQL Community Server - GPL. T13:01:23.228734Z 0 Insecure configuration for -pid-file: Location '/var/run/mysqld' in the path is accessible to all OS users. T13:01:23.214891Z 0 CA certificate ca.pem is self signed. T13:01:15.435410Z 0 'Disabling symbolic links using -skip-symbolic-links (or equivalent) is the default. T13:00:38.216974Z 5 is created with an empty password ! Please consider switching off the -initialize-insecure cloud-user]# kubectl logs -f katib-db-677b68774f-cd7rx -n kubeflow T12:59:46.338451Z 0 /usr/sbin/mysqld (mysqld 8.0.19) initializing of server in progress as process 46 T12:59:46.338346Z 0 'Disabling symbolic links using -skip-symbolic-links (or equivalent) is the default. After that, re-import the dump from the SQL file.Cloud-user]# kubectl logs -p katib-db-677b68774f-cd7rx -n kubeflow My recommended best practice for changing the root password is to use mysqldump -all-databases to export the entire database to a SQL file, then backup and delete the data directory, then re-start the container so the new root password will be set. Note that the mariadb docker image will not change the root password if the database directory already exists ( mariadb_data in this example). './redmine_themes:/usr/src/redmine/public/themes' './redmine_data/files:/usr/src/redmine/files' './redmine_data/conf:/usr/src/redmine/conf' Let’s inspect the network to show the hosts: [ This is the network that docker-compose creates without any explicit network configuration. ![]() $ docker network ls | grep redmineĮa7ed38f469b redmine_default bridge local In this case, my docker-compose config is called redmine. ![]() In order to comprehend what’s happening, we shall take a look at docker’s networks. While the MariaDB instance is not reachable from the internet since no, it can be reached by any process via its internal IP address. Simple and secure, right? A no-root-password MariaDB instance that’s running in a separate container and does not have its port 3306 exposed – so only services from the same docker-compose.yml can reach it since docker-compose puts all those services in a separate network. ![]() This is part of a common docker-compose.yml which is frequently seen on the internet version: '3' ![]()
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