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I have installed Ubuntu 14.04 LTS through bootable USB. When I try to update Ubuntu using the command

sudo apt-get update

I am getting the below errors. Can anyone tell me what the problem is?

Get:22 http://archive.ubuntu.com trusty-security/restricted amd64 Packages [8,875 B]
Get:23 http://archive.ubuntu.com trusty-security/universe amd64 Packages [107 kB]
Get:24 http://archive.ubuntu.com trusty-security/multiverse amd64 Packages [3,681 B]
Hit http://archive.ubuntu.com trusty-security/main Translation-en              
Get:25 http://archive.ubuntu.com trusty-security/multiverse Translation-en [1,679 B]
Get:26 http://archive.ubuntu.com trusty-security/restricted Translation-en [2,266 B]
Get:27 http://archive.ubuntu.com trusty-security/universe Translation-en [60.2 kB]
Fetched 602 kB in 1min 14s (8,099 B/s)                                         
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/Release
     Unable to find expected entry 'restricted/source/Sources' in Release file
     (Wrong sources.list entry or malformed file)

E: Some index files failed to download. They have been ignored, or old ones used instead.

Sources.list:

# deb cdrom:[Ubuntu 14.04.1 LTS _Trusty Tahr_ - Release amd64 (20140722.2)]/ trusty main restricted

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://in.archive.ubuntu.com/ubuntu/ trusty main restricted
deb-src http://in.archive.ubuntu.com/ubuntu/ trusty main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://in.archive.ubuntu.com/ubuntu/ trusty-updates main restricted
deb-src http://in.archive.ubuntu.com/ubuntu/ trusty-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://in.archive.ubuntu.com/ubuntu/ trusty universe
deb-src http://in.archive.ubuntu.com/ubuntu/ trusty universe
deb http://in.archive.ubuntu.com/ubuntu/ trusty-updates universe
deb-src http://in.archive.ubuntu.com/ubuntu/ trusty-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to 
## your rights to use the software. Also, please note that software in 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://in.archive.ubuntu.com/ubuntu/ trusty multiverse
deb-src http://in.archive.ubuntu.com/ubuntu/ trusty multiverse
deb http://in.archive.ubuntu.com/ubuntu/ trusty-updates multiverse
deb-src http://in.archive.ubuntu.com/ubuntu/ trusty-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://in.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse
deb-src http://in.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse


## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
deb http://archive.canonical.com/ubuntu trusty partner
deb-src http://archive.canonical.com/ubuntu trusty partner

## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
deb http://extras.ubuntu.com/ubuntu trusty main
deb-src http://extras.ubuntu.com/ubuntu trusty main
7

1 Answer 1

1

restricted/source/Sources is actually missing on server side Try this (use sources.gz instead):

sudo apt-get -o Acquire::CompressionTypes::Order::=gz update

if it solves the issue alter apt.conf and add/alter line

` Acquire::CompressionTypes::Order { "gz"; "bz2"; };

2
  • I have tried that one I am getting W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/Release Unable to find expected entry 'restricted/source/Sources' in Release file (Wrong sources.list entry or malformed file) W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/main/source/Sources Hash Sum mismatch E: Some index files failed to download. They have been ignored, or old ones used instead.
    – dhana
    Commented Jun 18, 2015 at 9:01
  • I have tried different mirrors but no luck.
    – dhana
    Commented Jun 18, 2015 at 9:04

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