NetDB: Open nodename nor servname provided or not known
Error: Refreshing Data
These as some error sources added, and these error sources in Cydia’s list not shown, so we can not remove them in Cydia, when the Cydia update source will occur errors. Fixed method is also very simple, we need remove all the source configuration file and then re-add on.
2. Clear /private/etc/aptsources.list.d/cydia.list all the contents inside.
3. delete /private/var/lib/cydia/metadata.plist file.
4. re-open Cydia, All sources to not exist, errors of coursewould not prompted, and then re-add the source there will be no errors. Attention when adding the source as not wrong address.
Also, when you download the apps using sinfuliphonerepo the source prompt ‘HTTP/1.1 300 Multiple Choices’ error, you can also use this method to re-add the sinful source.