krishnaroona@krishnaroona-Presario-CQ57-Notebook-PC:~$ sudo apt-get update
Hit http://au.archive.ubuntu.com vivid InRelease
Hit http://au.archive.ubuntu.com vivid-updates InRelease
Hit http://au.archive.ubuntu.com vivid-proposed InRelease
Hit http://au.archive.ubuntu.com vivid-backports InRelease
Hit http://ppa.launchpad.net vivid InRelease
Hit http://archive.canonical.com vivid InRelease
Hit http://security.ubuntu.com vivid-security InRelease
Hit http://ppa.launchpad.net vivid/main amd64 Packages
Hit http://archive.canonical.com vivid/partner Sources
Hit http://ppa.launchpad.net vivid/main i386 Packages
Hit http://archive.canonical.com vivid/partner amd64 Packages
Hit http://ppa.launchpad.net vivid/main Translation-en
Hit http://archive.canonical.com vivid/partner i386 Packages
Get:1 http://au.archive.ubuntu.com vivid-proposed/main amd64 Packages [47.3 kB]
Hit http://archive.canonical.com vivid/partner Translation-en
Hit http://au.archive.ubuntu.com vivid-proposed/restricted amd64 Packages
Hit http://au.archive.ubuntu.com vivid-proposed/universe amd64 Packages
Hit http://au.archive.ubuntu.com vivid-proposed/multiverse amd64 Packages
Get:2 http://au.archive.ubuntu.com vivid-proposed/main i386 Packages [46.8 kB]
Hit http://au.archive.ubuntu.com vivid-proposed/restricted i386 Packages
Hit http://au.archive.ubuntu.com vivid-proposed/universe i386 Packages
Hit http://au.archive.ubuntu.com vivid-proposed/multiverse i386 Packages
Get:3 http://au.archive.ubuntu.com vivid-proposed/main Translation-en [14.8 kB]
Hit http://au.archive.ubuntu.com vivid-proposed/multiverse Translation-en
Hit http://au.archive.ubuntu.com vivid-proposed/restricted Translation-en
Hit http://au.archive.ubuntu.com vivid-proposed/universe Translation-en
Hit http://au.archive.ubuntu.com vivid-backports/restricted amd64 Packages
Hit http://au.archive.ubuntu.com vivid-backports/multiverse amd64 Packages
Hit http://au.archive.ubuntu.com vivid-backports/restricted i386 Packages
Hit http://au.archive.ubuntu.com vivid-backports/multiverse i386 Packages
Hit http://au.archive.ubuntu.com vivid-backports/multiverse Translation-en
Hit http://au.archive.ubuntu.com vivid-backports/restricted Translation-en
Hit http://au.archive.ubuntu.com vivid/main Sources
Hit http://au.archive.ubuntu.com vivid/restricted Sources
Hit http://au.archive.ubuntu.com vivid/universe Sources
Hit http://au.archive.ubuntu.com vivid/multiverse Sources
Hit http://au.archive.ubuntu.com vivid/main amd64 Packages
Hit http://au.archive.ubuntu.com vivid/restricted amd64 Packages
Hit http://au.archive.ubuntu.com vivid/universe amd64 Packages
Hit http://au.archive.ubuntu.com vivid/multiverse amd64 Packages
Hit http://au.archive.ubuntu.com vivid/main i386 Packages
Hit http://au.archive.ubuntu.com vivid/restricted i386 Packages
Hit http://au.archive.ubuntu.com vivid/universe i386 Packages
Hit http://au.archive.ubuntu.com vivid/multiverse i386 Packages
Hit http://au.archive.ubuntu.com vivid/main Translation-en_AU
Hit http://au.archive.ubuntu.com vivid/main Translation-en
Hit http://au.archive.ubuntu.com vivid/multiverse Translation-en_AU
Hit http://au.archive.ubuntu.com vivid/multiverse Translation-en
Hit http://au.archive.ubuntu.com vivid/restricted Translation-en_AU
Hit http://au.archive.ubuntu.com vivid/restricted Translation-en
Hit http://security.ubuntu.com vivid-security/main Sources
Hit http://au.archive.ubuntu.com vivid/universe Translation-en_AU
Hit http://au.archive.ubuntu.com vivid/universe Translation-en
Hit http://au.archive.ubuntu.com vivid-updates/main Sources
Hit http://au.archive.ubuntu.com vivid-updates/restricted Sources
Hit http://au.archive.ubuntu.com vivid-updates/universe Sources
Hit http://au.archive.ubuntu.com vivid-updates/multiverse Sources
Hit http://au.archive.ubuntu.com vivid-updates/main amd64 Packages
Hit http://au.archive.ubuntu.com vivid-updates/restricted amd64 Packages
Hit http://au.archive.ubuntu.com vivid-updates/universe amd64 Packages
Hit http://security.ubuntu.com vivid-security/restricted Sources
Hit http://au.archive.ubuntu.com vivid-updates/multiverse amd64 Packages
Hit http://au.archive.ubuntu.com vivid-updates/main i386 Packages
Hit http://au.archive.ubuntu.com vivid-updates/restricted i386 Packages
Hit http://au.archive.ubuntu.com vivid-updates/universe i386 Packages
Hit http://security.ubuntu.com vivid-security/universe Sources
Hit http://au.archive.ubuntu.com vivid-updates/multiverse i386 Packages
Hit http://au.archive.ubuntu.com vivid-updates/main Translation-en
Hit http://au.archive.ubuntu.com vivid-updates/multiverse Translation-en
Hit http://au.archive.ubuntu.com vivid-updates/restricted Translation-en
Hit http://au.archive.ubuntu.com vivid-updates/universe Translation-en
Hit http://security.ubuntu.com vivid-security/multiverse Sources
Hit http://au.archive.ubuntu.com vivid-backports/main amd64 Packages
Hit http://au.archive.ubuntu.com vivid-backports/universe amd64 Packages
Hit http://au.archive.ubuntu.com vivid-backports/main i386 Packages
Hit http://au.archive.ubuntu.com vivid-backports/universe i386 Packages
Hit http://au.archive.ubuntu.com vivid-backports/main Translation-en
Hit http://security.ubuntu.com vivid-security/main amd64 Packages
Hit http://au.archive.ubuntu.com vivid-backports/universe Translation-en
Hit http://security.ubuntu.com vivid-security/restricted amd64 Packages
Hit http://security.ubuntu.com vivid-security/universe amd64 Packages
Hit http://security.ubuntu.com vivid-security/multiverse amd64 Packages
Hit http://security.ubuntu.com vivid-security/main i386 Packages
Hit http://security.ubuntu.com vivid-security/restricted i386 Packages
Hit http://security.ubuntu.com vivid-security/universe i386 Packages
Hit http://security.ubuntu.com vivid-security/multiverse i386 Packages
Hit http://security.ubuntu.com vivid-security/main Translation-en
Hit http://security.ubuntu.com vivid-security/multiverse Translation-en
Hit http://security.ubuntu.com vivid-security/restricted Translation-en
Hit http://security.ubuntu.com vivid-security/universe Translation-en
Fetched 109 kB in 17s (6,193 B/s)
Reading package lists... Done
W: Duplicate sources.list entry http://security.ubuntu.com/ubuntu/ vivid-security/main amd64 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_vivid-security_main_binary-amd64_Packages)
W: Duplicate sources.list entry http://security.ubuntu.com/ubuntu/ vivid-security/restricted amd64 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_vivid-security_restricted_binary-amd64_Packages)
W: Duplicate sources.list entry http://security.ubuntu.com/ubuntu/ vivid-security/universe amd64 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_vivid-security_universe_binary-amd64_Packages)
W: Duplicate sources.list entry http://security.ubuntu.com/ubuntu/ vivid-security/multiverse amd64 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_vivid-security_multiverse_binary-amd64_Packages)
W: Duplicate sources.list entry http://security.ubuntu.com/ubuntu/ vivid-security/main i386 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_vivid-security_main_binary-i386_Packages)
W: Duplicate sources.list entry http://security.ubuntu.com/ubuntu/ vivid-security/restricted i386 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_vivid-security_restricted_binary-i386_Packages)
W: Duplicate sources.list entry http://security.ubuntu.com/ubuntu/ vivid-security/universe i386 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_vivid-security_universe_binary-i386_Packages)
W: Duplicate sources.list entry http://security.ubuntu.com/ubuntu/ vivid-security/multiverse i386 Packages (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_vivid-security_multiverse_binary-i386_Packages)
W: You may want to run apt-get update to correct these problems