ubuntu 10.10 has been expired on 2012-04-10.
Even if you try to apt-get update, it would give following error.
Code:
Err http://archive.ubuntu.com maverick/main i386 Packages
404 Not Found [IP: 91.189.92.201 80]
Err http://archive.ubuntu.com maverick/restricted i386 Packages
404 Not Found [IP: 91.189.92.201 80]
Err http://archive.ubuntu.com maverick/universe i386 Packages
404 Not Found [IP: 91.189.92.201 80]
Err http://archive.ubuntu.com maverick/multiverse i386 Packages
404 Not Found [IP: 91.189.92.201 80]
Err http://archive.ubuntu.com maverick-updates/main i386 Packages
404 Not Found [IP: 91.189.92.201 80]
Err http://archive.ubuntu.com maverick-updates/restricted i386 Packages
404 Not Found [IP: 91.189.92.201 80]
Err http://archive.ubuntu.com maverick-updates/universe i386 Packages
404 Not Found [IP: 91.189.92.201 80]
Err http://archive.ubuntu.com maverick-updates/multiverse i386 Packages
404 Not Found [IP: 91.189.92.201 80]
Err http://archive.ubuntu.com maverick-security/main i386 Packages
404 Not Found [IP: 91.189.92.201 80]
Hit http://downloads-distro.mongodb.org dist Release
Err http://archive.ubuntu.com maverick-security/restricted i386 Packages
404 Not Found [IP: 91.189.92.201 80]
Ign http://downloads-distro.mongodb.org dist/10gen i386 Packages
Err http://archive.ubuntu.com maverick-security/universe i386 Packages
404 Not Found [IP: 91.189.92.201 80]
Err http://archive.ubuntu.com maverick-security/multiverse i386 Packages
404 Not Found [IP: 91.189.92.201 80]
You can not download most important software like php5-dev, it will give
Code:
Err http://archive.ubuntu.com/ubuntu/ maverick/main shtool all 2.0.8-4
404 Not Found [IP: 91.189.92.201 80]
Err http://archive.ubuntu.com/ubuntu/ maverick-updates/main php5-dev i386 5.3.3-1ubuntu9.10
404 Not Found [IP: 91.189.92.201 80]
Err http://archive.ubuntu.com/ubuntu/ maverick-security/main php5-dev i386 5.3.3-1ubuntu9.10
404 Not Found [IP: 91.189.92.201 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/s/shtool/shtool_2.0.8-4_all.deb 404 Not Found [IP: 91.189.92.201 80]
Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/p/php5/php5-dev_5.3.3-1ubuntu9.10_i386.deb 404 Not Found [IP: 91.189.92.201 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
They have closed the support of 10.10.
You should upgrade higher version. Ubuntu 13.04 is going to be launched.
Shift to UNITY. It is the future.