Using ubuntu 16.10 on 32bit computer.
Have a following sources.list in etc/apt
###### Ubuntu Main Repos
deb http://in.archive.ubuntu.com/ubuntu/ yakkety main restricted universe multiverse
deb-src http://in.archive.ubuntu.com/ubuntu/ yakkety main restricted universe
###### Ubuntu Update Repos
deb http://in.archive.ubuntu.com/ubuntu/ yakkety-security main restricted universe multiverse
deb http://in.archive.ubuntu.com/ubuntu/ yakkety-updates main restricted universe multiverse
deb http://in.archive.ubuntu.com/ubuntu/ yakkety-proposed main restricted universe multiverse
deb http://in.archive.ubuntu.com/ubuntu/ yakkety-backports main restricted universe multiverse
deb-src http://in.archive.ubuntu.com/ubuntu/ yakkety-security main restricted universe
deb-src http://in.archive.ubuntu.com/ubuntu/ yakkety-updates main restricted universe
deb-src http://in.archive.ubuntu.com/ubuntu/ yakkety-proposed main restricted universe
deb-src http://in.archive.ubuntu.com/ubuntu/ yakkety-backports main restricted universe
and it gives me following error on sudo apt-get update
Ign:17 http://ppa.launchpad.net/ubuntu-on-rails/ppa/ubuntu yakkety/main DEP-11 64x64 Icons
Fetched 102 kB in 7s (14.2 kB/s)
Reading package lists... Done
W: The repository 'http://ppa.launchpad.net/ubuntu-on-rails/ppa/ubuntu yakkety Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: http://deb.playonlinux.com/dists/precise/InRelease: Signature by key 74F7358425EEB6176094C884E0F72778C4676186 uses weak digest algorithm (SHA1)
E: Failed to fetch http://ppa.launchpad.net/ubuntu-on-rails/ppa/ubuntu/dists/yakkety/main/binary-i386/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
