Use apt behind proxy server on Ubuntu 18.04
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Efficient way to troubleshoot on any systems
There's no greater frustation of trying to troubleshoot on a system for many hours (or days) while the solution was under our nose for all the time.
Ghost error update from v4 to v5 - foreign key constraint
Error
alter table `subscriptions` modify `tier_id` varchar(24) not null - Cannot change column 'tier_id': used in a foreign key constraint 'subscriptions_tier_id_foreign'
Solution on MySql
SET GLOBAL FOREIGN_KEY_CHECKS=0;
Restart your Ghost v5 instance.
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