internet is working fine but unable to update&install software
Code:
msr@msr-VirtualBox:~$ sudo apt-get update
[sudo] password for msr:
0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.a0% [Connecting to archive.ubuntu.com (91.189.92.201)] [Connecting to in.aErr http://extras.ubuntu.com trusty InRelease
Ign mirror://mirrors.ubuntu.com precise InRelease
Ign mirror://mirrors.ubuntu.com precise-updates InRelease
Ign mirror://mirrors.ubuntu.com precise-backports InRelease
Ign mirror://mirrors.ubuntu.com precise-security InRelease
Err http://extras.ubuntu.com trusty Release.gpg
Cannot initiate the connection to extras.ubuntu.com:80 (2001:67c:1360:8c01::23). - connect (101: Network is unreachable) [IP: 2001:67c:1360:8c01::23 80]
Ign mirror://mirrors.ubuntu.com precise Release.gpg
Ign mirror://mirrors.ubuntu.com precise-updates Release.gpg
Ign mirror://mirrors.ubuntu.com precise-backports Release.gpg
Ign mirror://mirrors.ubuntu.com precise-security Release.gpg
Ign mirror://mirrors.ubuntu.com precise Release
Ign mirror://mirrors.ubuntu.com precise-updates Release
Ign mirror://mirrors.ubuntu.com precise-backports Release
Ign mirror://mirrors.ubuntu.com precise-security Release
Err mirror://mirrors.ubuntu.com precise/main amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise/restricted amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise/universe amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise/multiverse amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise/main i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise/restricted i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise/universe i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise/multiverse i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Ign mirror://mirrors.ubuntu.com precise/main Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise/main Translation-en
Ign mirror://mirrors.ubuntu.com precise/multiverse Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise/multiverse Translation-en
Ign mirror://mirrors.ubuntu.com precise/restricted Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise/restricted Translation-en
Ign mirror://mirrors.ubuntu.com precise/universe Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise/universe Translation-en
Err mirror://mirrors.ubuntu.com precise-updates/main amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-updates/restricted amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-updates/universe amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-updates/multiverse amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-updates/main i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-updates/restricted i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-updates/universe i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-updates/multiverse i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Ign mirror://mirrors.ubuntu.com precise-updates/main Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise-updates/main Translation-en
Ign mirror://mirrors.ubuntu.com precise-updates/multiverse Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise-updates/multiverse Translation-en
Ign mirror://mirrors.ubuntu.com precise-updates/restricted Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise-updates/restricted Translation-en
Ign mirror://mirrors.ubuntu.com precise-updates/universe Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise-updates/universe Translation-en
Err mirror://mirrors.ubuntu.com precise-backports/main amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-backports/restricted amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-backports/universe amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-backports/multiverse amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-backports/main i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-backports/restricted i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-backports/universe i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-backports/multiverse i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Ign mirror://mirrors.ubuntu.com precise-backports/main Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise-backports/main Translation-en
Ign mirror://mirrors.ubuntu.com precise-backports/multiverse Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise-backports/multiverse Translation-en
Ign mirror://mirrors.ubuntu.com precise-backports/restricted Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise-backports/restricted Translation-en
Ign mirror://mirrors.ubuntu.com precise-backports/universe Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise-backports/universe Translation-en
Err mirror://mirrors.ubuntu.com precise-security/main amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-security/restricted amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-security/universe amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-security/multiverse amd64 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-security/main i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-security/restricted i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-security/universe i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Err mirror://mirrors.ubuntu.com precise-security/multiverse i386 Packages
No mirror file '/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt' found [Mirror: ]
Ign mirror://mirrors.ubuntu.com precise-security/main Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise-security/main Translation-en
Ign mirror://mirrors.ubuntu.com precise-security/multiverse Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise-security/multiverse Translation-en
Ign mirror://mirrors.ubuntu.com precise-security/restricted Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise-security/restricted Translation-en
Ign mirror://mirrors.ubuntu.com precise-security/universe Translation-en_IN
Ign mirror://mirrors.ubuntu.com precise-security/universe Translation-en
Err http://archive.canonical.com trusty InRelease
Err http://archive.canonical.com trusty Release.gpg
Cannot initiate the connection to archive.canonical.com:80 (2001:67c:1360:8c01::1b). - connect (101: Network is unreachable) [IP: 2001:67c:1360:8c01::1b 80]
32% [Connecting to archive.ubuntu.com (91.189.91.24)] [Connecting to in.archive