root@izul-webserver:~# wget http://www.webmin.com/jcameron-key.asc -O - | apt-key add - --2015-01-31 14:30:46-- http://www.webmin.com/jcameron-key.asc Resolving www.webmin.com (www.webmin.com)... failed: Name or service not known. wget: unable to resolve host address ‘www.webmin.com’ gpg: no valid OpenPGP data found. root@izul-webserver:~# apt-get update Err http://security.ubuntu.com saucy-security InRelease Err http://id.archive.ubuntu.com saucy InRelease Err http://id.archive.ubuntu.com saucy-updates InRelease Err http://id.archive.ubuntu.com saucy-backports InRelease Err http://security.ubuntu.com saucy-security Release.gpg Could not resolve 'security.ubuntu.com' Err http://id.archive.ubuntu.com saucy Release.gpg Could not resolve 'id.archive.ubuntu.com' Err http://id.archive.ubuntu.com saucy-updates Release.gpg Could not resolve 'id.archive.ubuntu.com' Err http://id.archive.ubuntu.com saucy-backports Release.gpg Could not resolve 'id.archive.ubuntu.com' Err http://download.webmin.com sarge InRelease Err http://download.webmin.com sarge Release.gpg Could not resolve 'download.webmin.com' Reading package lists... Done W: Failed to fetch http://id.archive.ubuntu.com/ubuntu/dists/saucy/InRelease W: Failed to fetch http://id.archive.ubuntu.com/ubuntu/dists/saucy-updates/InRelease W: Failed to fetch http://id.archive.ubuntu.com/ubuntu/dists/saucy-backports/InRelease W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/saucy-security/InRelease W: Failed to fetch http://download.webmin.com/download/repository/dists/sarge/InRelease W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/saucy-security/Release.gpg Could not resolve 'security.ubuntu.com' W: Failed to fetch http://id.archive.ubuntu.com/ubuntu/dists/saucy/Release.gpg Could not resolve 'id.archive.ubuntu.com' W: Failed to fetch http://id.archive.ubuntu.com/ubuntu/dists/saucy-updates/Release.gpg Could not resolve 'id.archive.ubuntu.com' W: Failed to fetch http://id.archive.ubuntu.com/ubuntu/dists/saucy-backports/Release.gpg Could not resolve 'id.archive.ubuntu.com' W: Failed to fetch http://download.webmin.com/download/repository/dists/sarge/Release.gpg Could not resolve 'download.webmin.com' W: Some index files failed to download. They have been ignored, or old ones used instead.
this mean, your problem on your DNS, chang it to google DNS 8.8.8.8
vim /etc/resolvconf/resolv.conf.d/head
put your nameserver list in
nameserver 8.8.8.8 nameserver 8.8.4.4
then run
resolvconf -u
references:
http://ubuntuforums.org/showthread.php?t=2078398
https://www.netroby.com/view.php?id=3630#.U2mTfHVdUc0
Recommended books for webmin and linux server:
