Out-of-date wiki pages
https://help.ubuntu.com/community/GrubHowto/ChangeDefaultOS – most of the page discusses GRUB legacy, and the other half of the page is not correctly formatted and is out-of-date.
https://wiki.ubuntu.com/GrubDiskMapSanity – very out-of-date (talks about ‘edgy’ and ‘feisty’)
https://wiki.ubuntu.com/FoundationsTeam/Grub2BootFramebuffer – out-of-date information about a new feature in Linux 2.4.34
https://wiki.ubuntu.com/PrinterDrake – package no longer supported
https://wiki.ubuntu.com/BluezGnome – no longer used by Ubuntu; package dropped because GNOME 3 and Unity have built in BlueZ support
https://wiki.ubuntu.com/Bugs/Upstream/KDE – describes old (five or six years old) version of the KDE bug report website – links broken. Incomplete.
https://wiki.ubuntu.com/Kernel/Action/ObtainTheSource – kernel.ubuntu.com/ubuntu/linux.git gives a 404 error, for example
https://wiki.ubuntu.com/Kernel/Action/GitTheSource – it’s just a copy of the above page
https://wiki.ubuntu.com/Kernel/SourceCode – again, exactly the same as above
https://wiki.ubuntu.com/Kernel/Dev/KernelGitGuide – out-of-date information and links
https://wiki.ubuntu.com/Kernel/DevNew – many links give 404 errors
https://wiki.ubuntu.com/Kernel/InstallISOonUSBKey – hybrid ISOs render this irrelevant
https://wiki.ubuntu.com/KernelTeam/BugDay – current bug day is in 2010
https://wiki.ubuntu.com/KernelTeam/EC2 – table only shows versions 2.6.x
https://wiki.ubuntu.com/Kernel/Dev/KernelConfig – out-of-date (no versions newer than 10.10)
https://wiki.ubuntu.com/Testing/Kernel – made for 12.10
https://wiki.ubuntu.com/LaunchpadHowTo – 2006!
https://help.ubuntu.com/community/StaticDnsWithDhcp – no longer works