Maintenance Dashboard
Symptom, investigate, resolve, prevent - for everything that has gone wrong before.
The upload progress bar completes and then the uploader shows only 'HTTP error', with no further detail in the browser.
Backup process starts but times out or is killed partway through on a large media library/database.
Pages load fine most of the time but return '502 Bad Gateway' or '504 Gateway Timeout' during traffic spikes or…