linux apt-get update error

Question

shou xian ge wei da shen ni men hao wo shuo de shi zhong wen yin wei ganggang zhuang l mint linux jie guo gou ri de apt-get bu neng yong zhe mo le wo zhengzheng liang tian !!!!!wo shi linux cai niao, yin wei gan xing qu cai zi ji zhe teng, kan le wangshang hen duo ping lun, dou mei yong....bai tuo da jia kan kan za jie jue ben ren zhen de hen cai ge wei ru guo zhi dao zen me jie jue ma fan shuo de xiang xi dian !!!xiexie

zhumaohua@zhumaohua-Rev-1-0 / $ sudo apt-get update
忽略 http://mirrors.aliyun.com trusty InRelease                                
命中 http://mirrors.aliyun.com trusty-updates InRelease                        
忽略 http://mirrors.163.com precise InRelease                                  
获取：1 http://mirrors.aliyun.com trusty Release.gpg [933 B]                   
获取：2 http://mirrors.ustc.edu.cn rosa InRelease [7,508 B]                    
获取：3 http://mirrors.aliyun.com trusty-updates/main amd64 Packages [781 kB]  
3% [2 InRelease gpgv 7,508 B] [正在连接 mirrors.ustc.edu.cn (2001:da8:d800:Splitting up /var/lib/a忽略 http://mirrors.ustc.edu.cn rosa InRelease                                 nd signature failed
E: GPG 错误：http://mirrors.ustc.edu.cn rosa InRelease: Clearsigned file isn't valid, got 'NODATA' (does the network require authentication?)

ling wai shen me apt-get clean bu zou xiao shu ru le ye hai shi ti shi zhe ge ,gan jue shi wang luo wen ti , ke shi wo ye bu hui she zhi, zui guai de shi zhi qian an zhuang de Ubuntu15.10hen zheng chang !!!lian jie de shi tong yang de wang luo!

Answer 1

wo xiang shuo ni xian hua ge yuan ba ,ke neng shi ni yuan de wen ti

Answer 2

http换成https试试

Answer 3

你还是先想办法修复你的拼音输入法再来提问吧（幸好当年简化汉字时没有使用拼音方案，不然整天看到像题主这样的文章，整个人都不好了）
很简单，只需留下阿里云的源就行了，因为在任何网络环境下都是最快的。除了Ubuntu官方的源，其他源可以删了。

Answer 4

或许有用

http://askubuntu.com/questions/474549/got-nodata-issue-nodata-does-the-network-require-authentication

Answer 5

看字面的意识是认证的问题，更换新的源试试，你这个楼主也太不像话了，竟然用拼音来问。