Let's collect knowledge like we did with Updating extensions for iOS 7 - paste in your notes and share what you've learned, and somebody else will organize it later. :) If you want to collaborate over IRC, see IRC for how to connect to #theos and #iphonedev.
Put stuff here!
- The package
syslogd to /var/log/syslogseems to not be working. An alternative - also as listed on TheiPhoneWiki.