redstonedesigner MySQL failed to initialise due to this error: mysql-mailcow_1 | 2021-10-18 18:47:18+01:00 [Note] [Entrypoint]: Switching to dedicated user 'mysql' mysql-mailcow_1 | 2021-10-18 18:47:19+01:00 [Note] [Entrypoint]: Entrypoint script for MariaDB Server 1:10.5.12+maria~focal started. mysql-mailcow_1 | 2021-10-18 18:47:19+01:00 [ERROR] [Entrypoint]: mysqld failed while attempting to check config mysql-mailcow_1 | command was: mysqld --verbose --help --log-bin-index=/tmp/tmp.AYBF1FXPij mysql-mailcow_1 | mysqld: Can't read dir of '/etc/mysql/conf.d/' (Errcode: 13 "Permission denied") mysql-mailcow_1 | Fatal error in defaults handling. Program aborted mysql-mailcow_1 | 2021-10-18 18:47:22+01:00 [Note] [Entrypoint]: Entrypoint script for MariaDB Server 1:10.5.12+maria~focal started. mysql-mailcow_1 | 2021-10-18 18:47:22+01:00 [Note] [Entrypoint]: Switching to dedicated user 'mysql' mysql-mailcow_1 | 2021-10-18 18:47:22+01:00 [Note] [Entrypoint]: Entrypoint script for MariaDB Server 1:10.5.12+maria~focal started. mysql-mailcow_1 | 2021-10-18 18:47:22+01:00 [ERROR] [Entrypoint]: mysqld failed while attempting to check config mysql-mailcow_1 | command was: mysqld --verbose --help --log-bin-index=/tmp/tmp.BYksFVGxkB mysql-mailcow_1 | mysqld: Can't read dir of '/etc/mysql/conf.d/' (Errcode: 13 "Permission denied") mysql-mailcow_1 | Fatal error in defaults handling. Program aborted``` This is a fresh installation, no configuration changes apart from changes documented to run mailcow behind a reverse proxy.
diekuh You messed up the file permissions of the mailcow base directory. Please read the docs carefully. Clone the script as root, check the umask etc. Do not copy the directory without carrying the file permissions.