W: Failed to fetch http:// archive.ubuntu.com/ubuntu/dists/trusty-security/universe/binary-amd64/Packages Hash Sum mismatch

by xyis1 Mon Sep 28, 2015 1:07 am

sudo mousepad /etc/apt/sources.list

edit this below line and

deb http://archive.ubuntu.com/ubuntu trusty main universe restricted multiverse

change it to the below line

deb http://archive.ubuntu.com/ubuntu trusty main

sudo apt-get clean

sudo apt-get update

sudo apt-get dist-upgrade

by xyis1 Mon Sep 28, 2015 1:19 am

#------------------------------------------------------------------------------#
# OFFICIAL UBUNTU REPOS #
#------------------------------------------------------------------------------#

###### Ubuntu Main Repos
deb http://us.archive.ubuntu.com/ubuntu/ trusty main

###### Ubuntu Update Repos
deb http://us.archive.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse
deb http://us.archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe multiverse
deb http://us.archive.ubuntu.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb http://us.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse

###### Ubuntu Extras Repo
deb http://extras.ubuntu.com/ubuntu trusty main

Re: W: Failed to fetch http:// archive.ubuntu.com/ubuntu/dists/trusty-security/universe/binary-amd64/Packages Hash Sum mismatch