In confluence Skin go to System (only Highlight it - do not enter) - in the submenu there are "openelec settings" - i expect the Setting you are looking for somewhere in there
AppleTV4/iPhone/iPod/iPad: HowTo find debug logs and everything else which the devs like so much: click here
HowTo setup NFS for Kodi: NFS(wiki)
HowTo configure avahi (zeroconf): Avahi_Zeroconf(wiki)
READ THE IOS FAQ!: iOS FAQ(wiki)