모바일 광대역을 사용하여 Firefox로 인터넷에 액세스 할 수 있지만 터미널에서 패키지를 설치하거나 'apt-get update'명령을 만들려면 다음 오류가 발생합니다.
got 'NODATA' (does the network require authentication?)
apt-get 업데이트 출력 :
Get:1 extras.ubuntu.com trusty InRelease [213 B] 98% [1 InRelease gpgv 213 B] [Connecting to archive.ubuntu.com]
Splitting up /var/lib/apt/lists/partial/extras.ubuntu.com_ubuntu_dists_trusty_InRelease into data
Ign extras.ubuntu.com trusty InRelease E: GPG error: extras.ubuntu.com trusty InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?)
`cat /var/lib/apt/lists/partial/extras.ubuntu.com_ubuntu_dists_trusty_InRelease의 출력
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>404</title> <meta http-equiv="Cache-Control" content="no-cache"/> </head> <body> <p> Not Found </p> </body> </html>
wget 출력 :
wget -O - http://extras.ubuntu.com/ubuntu/dists/trusty/InRelease
--2014-06-01 09:23:35-- http://extras.ubuntu.com/ubuntu/dists/trusty/InRelease
Resolving extras.ubuntu.com (extras.ubuntu.com)... 91.189.92.152
Connecting to extras.ubuntu.com (extras.ubuntu.com)|91.189.92.152|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 213 [text/html]
Saving to: ‘STDOUT’
0% [ ] 0 --.-K/s <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>404</title>
<meta http-equiv="Cache-Control" content="no-cache"/>
</head>
<body>
<p>
Not Found
</p>
</body>
</html>
apt-config dump|grep -i proxy
cat /var/lib/apt/lists/extras.ubuntu.com_ubuntu_dists_trusty_InRelease출력을 pastebin에 게시하고 여기에 링크 할 수 있습니다

apt-get update