problem while running C program

[ravinderreddy37]

hi i m new to ubuntu.
when i m trying to run C program after giving
sudo apt-get install build-essential

i m getting the following errors.


Err http://in.archive.ubuntu.com hardy-updates/main linux-libc-dev 2.6.24-21.42
Could not resolve 'in.archive.ubuntu.com'
Err http://in.archive.ubuntu.com hardy-updates/main libc6-dev 2.7-10ubuntu4
Could not resolve 'in.archive.ubuntu.com'
Err http://in.archive.ubuntu.com hardy/main libstdc++6-4.2-dev 4.2.3-2ubuntu7
Could not resolve 'in.archive.ubuntu.com'
Err http://in.archive.ubuntu.com hardy/main g++-4.2 4.2.3-2ubuntu7
Could not resolve 'in.archive.ubuntu.com'
Err http://in.archive.ubuntu.com hardy-updates/main g++ 4:4.2.3-1ubuntu6
Could not resolve 'in.archive.ubuntu.com'

like this i m getting 10 -15 errors .i dont know what to do
plez help me
thanks for all.

[taurus]

Go into System -> Administration -> Synaptic Package Manager -> Settings -> Repositories and select another server. Click Close and shut down synaptic. Then from a terminal, run


sudo apt-get update
sudo apt-get install build-essential

[ravinderreddy37]

thanks for your response but when i tried for this also i m getting the following errors



Err http://ftp.iitm.ac.in hardy Release.gpg
Could not resolve 'ftp.iitm.ac.in'
Err http://ftp.iitm.ac.in hardy/main Translation-en_IN
Could not resolve 'ftp.iitm.ac.in'
Err http://ftp.iitm.ac.in hardy/restricted Translation-en_IN
Could not resolve 'ftp.iitm.ac.in'
Err http://ftp.iitm.ac.in hardy/universe Translation-en_IN
Could not resolve 'ftp.iitm.ac.in'
Err http://ftp.iitm.ac.in hardy/multiverse Translation-en_IN
Could not resolve 'ftp.iitm.ac.in'
Err http://ftp.iitm.ac.in hardy-updates Release.gpg
Could not resolve 'ftp.iitm.ac.in'
Err http://ftp.iitm.ac.in hardy-updates/main Translation-en_IN
Could not resolve 'ftp.iitm.ac.in'
Err http://ftp.iitm.ac.in hardy-updates/restricted Translation-en_IN
Could not resolve 'ftp.iitm.ac.in'
Err http://ftp.iitm.ac.in hardy-updates/universe Translation-en_IN
Could not resolve 'ftp.iitm.ac.in'
Err http://ftp.iitm.ac.in hardy-updates/multiverse Translation-en_IN
Could not resolve 'ftp.iitm.ac.in'
Err http://ftp.iitm.ac.in hardy-security Release.gpg
Could not resolve 'ftp.iitm.ac.in'
Err http://ftp.iitm.ac.in hardy-security/main Translation-en_IN
Could not resolve 'ftp.iitm.ac.in'
Err http://ftp.iitm.ac.in hardy-security/restricted Translation-en_IN
Could not resolve 'ftp.iitm.ac.in'
Err http://ftp.iitm.ac.in hardy-security/universe Translation-en_IN
Could not resolve 'ftp.iitm.ac.in'
Err http://ftp.iitm.ac.in hardy-security/multiverse Translation-en_IN
Could not resolve 'ftp.iitm.ac.in'
Reading package lists... Done
W: Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/hardy/Release.gpg Could not resolve 'ftp.iitm.ac.in'

W: Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/hardy/main/i18n/Translation-en_IN.bz2 Could not resolve 'ftp.iitm.ac.in'

W: Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/hardy/restricted/i18n/Translation-en_IN.bz2 Could not resolve 'ftp.iitm.ac.in'

W: Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/hardy/universe/i18n/Translation-en_IN.bz2 Could not resolve 'ftp.iitm.ac.in'

W: Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/hardy/multiverse/i18n/Translation-en_IN.bz2 Could not resolve 'ftp.iitm.ac.in'

W: Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/hardy-updates/Release.gpg Could not resolve 'ftp.iitm.ac.in'

W: Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/hardy-updates/main/i18n/Translation-en_IN.bz2 Could not resolve 'ftp.iitm.ac.in'

W: Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/hardy-updates/restricted/i18n/Translation-en_IN.bz2 Could not resolve 'ftp.iitm.ac.in'

W: Failed to fetch http://ftp.iitm.ac.in/ubuntu/dists/hardy-updates/universe/i18n/Translation-en_IN.bz2 Could not resolve 'ftp.iitm.ac.in'


and as you said i have chosen another server but it when i click on it displaying countries names..

[taurus]

Try the Main Server.

[Coder543]

Make sure you are connected to the internet from the Ubuntu machine.... (if this is not being posted from the Ubuntu computer)