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I am a newbie to linux platform.Please don't mark this question as duplicate before reading it completely.!

My system is running on intel i5 processor and the OS I recently installed is 64-bit Ubuntu 13.10. I had to install a set of libraries for my android developer tool (ADT) to function correctly. All started with the linuxizing of my system and development environment!

This is one of the links I sued for this purpose.

sudo dpkg --add-architecture i386
sudo apt-get update
sudo apt-get install ia32-libs 

I also used the tips to speed up Ubuntu 13.10

But when ever I do a sudo apt-get update, it is showing the following warning messages repeatedly many times.

W: Failed to fetch cdrom://Ubuntu 13.10 _Saucy Salamander_ - Release amd64 (20131016.1)/dists/saucy/main/binary-amd64/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs    
W: Failed to fetch cdrom://Ubuntu 13.10 _Saucy Salamander_ - Release amd64 (20131016.1)/dists/saucy/restricted/binary-amd64/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs    
W: Failed to fetch cdrom://Ubuntu 13.10 _Saucy Salamander_ - Release amd64 (20131016.1)/dists/saucy/main/binary-i386/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs    
W: Failed to fetch cdrom://Ubuntu 13.10 _Saucy Salamander_ - Release amd64 (20131016.1)/dists/saucy/restricted/binary-i386/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs    
W: Failed to fetch cdrom://Ubuntu 13.10 _Saucy Salamander_ - Release amd64 (20131016.1)/dists/saucy/main/binary-i586/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs    
W: Failed to fetch cdrom://Ubuntu 13.10 _Saucy Salamander_ - Release amd64 (20131016.1)/dists/saucy/restricted/binary-i586/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs    
W: Failed to fetch cdrom://Ubuntu 13.10 _Saucy Salamander_ - Release amd64 (20131016.1)/dists/saucy/main/binary-i686/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs    
W: Failed to fetch cdrom://Ubuntu 13.10 _Saucy Salamander_ - Release amd64 (20131016.1)/dists/saucy/restricted/binary-i686/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs    
W: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/Release  Unable to find expected entry 'main/binary-i586/Packages' in Release file (Wrong sources.list entry or malformed file)    
W: Failed to fetch http://archive.canonical.com/ubuntu/dists/saucy/Release  Unable to find expected entry 'partner/binary-i586/Packages' in Release file (Wrong sources.list entry or malformed file)    
W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/saucy/Release  Unable to find expected entry 'main/binary-i586/Packages' in Release file (Wrong sources.list entry or malformed file)    
W: Failed to fetch http://ppa.launchpad.net/appgrid/stable/ubuntu/dists/saucy/Release  Unable to find expected entry 'main/binary-i586/Packages' in Release file (Wrong sources.list entry or malformed file)    
W: Failed to fetch http://ppa.launchpad.net/apt-fast/stable/ubuntu/dists/saucy/Release  Unable to find expected entry 'main/binary-i586/Packages' in Release file (Wrong sources.list entry or malformed file)    
W: Failed to fetch http://ppa.launchpad.net/linrunner/tlp/ubuntu/dists/saucy/Release  Unable to find expected entry 'main/binary-i586/Packages' in Release file (Wrong sources.list entry or malformed file)    
W: Failed to fetch http://ppa.launchpad.net/webupd8team/unstable/ubuntu/dists/saucy/Release  Unable to find expected entry 'main/binary-i586/Packages' in Release file (Wrong sources.list entry or malformed file)    
W: Failed to fetch ftp://ftp.iitb.ac.in/distributions/ubuntu/archives/dists/saucy/Release  Unable to find expected entry 'main/binary-i586/Packages' in Release file (Wrong sources.list entry or malformed file)    
W: Failed to fetch ftp://ftp.iitb.ac.in/distributions/ubuntu/archives/dists/saucy-updates/Release  Unable to find expected entry 'main/binary-i586/Packages' in Release file (Wrong sources.list entry or malformed file)    
W: Failed to fetch ftp://ftp.iitb.ac.in/distributions/ubuntu/archives/dists/saucy-security/Release  Unable to find expected entry 'main/binary-i586/Packages' 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.

I tried solving the issues using various answers within this forum which is asking to edit the sources.list file. But I dont have those content ( binary-i686 or binary-i586 ) in my sources.list file.

Can anybody help me to solve this issue!? Please don't forget to answer with the commands as I know very little about the linux terminal commands!!

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1 Answer 1

up vote 2 down vote accepted

Open sources.list file,

sudo gedit /etc/apt/sources.list

Remove the lines that was stated by you on above.Then save the file.

For the PPA's which causes error,then you have to delete that PPA file also from /etc/apt/sources.list.d directory.

After that update the repositories by running,

sudo apt-get update
share|improve this answer
    
Thank you for your reply! But I could not find those lines in my sources.list –  DroidBee Feb 12 at 9:48
1  
it was started with deb or deb-src.post the output of cat /etc/apt/sources.list command to pastebin.com and then provide the link here. –  Avinash Raj Feb 12 at 9:49
    
Then there are many. 16 of then actually. Shall I remove all lines starting with deb and deb-src? –  DroidBee Feb 12 at 9:53
1  
Run this command cp /etc/apt/sources.list ~/Desktop/source.list before deleting the whole lines started with deb and deb-src. –  Avinash Raj Feb 12 at 9:55
1  
please exit out of the root by running exit command.Then it will be like avinash@avinash-Lenovo-IdeaPad-Z500:~$ –  Avinash Raj Feb 12 at 10:10

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