Linux - Ubuntu下执行apt-get update报错：Some index files failed to download. They have been ignored, or old ones used instead.

概述报错命令 root@ubuntu:/etc/apt# apt-get update Err:1 http://mirrors.aliyun.com/ubuntu trusty InRelease Co 报错命令

root@ubuntu:/etc/apt# apt-get updateErr:1 http://mirrors.aliyun.com/ubuntu trusty InRelease  Could not resolve 'mirrors.aliyun.com'Err:2 http:mirrors.aliyun.com/ubuntu trusty-backports InRelease  Could not resolve 3 http:mirrors.aliyun.com/ubuntu trusty-proposed InRelease  Could not resolve 4 http:mirrors.aliyun.com/ubuntu trusty-security InRelease  Could not resolve 5 http:mirrors.aliyun.com/ubuntu trusty-updates InRelease  Could not resolve Reading package Lists... DoneW: Failed to fetch http:mirrors.aliyun.com/ubuntu/dists/trusty/InRelease  Could not resolve 'mirrors.aliyun.com'W: Failed to fetch http:mirrors.aliyun.com/ubuntu/dists/trusty-backports/InRelease  Could not resolve 'mirrors.aliyun.com'W: Failed to fetch http:mirrors.aliyun.com/ubuntu/dists/trusty-proposed/InRelease  Could not resolve 'mirrors.aliyun.com'W: Failed to fetch http:mirrors.aliyun.com/ubuntu/dists/trusty-security/InRelease  Could not resolve 'mirrors.aliyun.com'W: Failed to fetch http:mirrors.aliyun.com/ubuntu/dists/trusty-updates/InRelease  Could not resolve 'mirrors.aliyun.com'W: Some index files Failed to download. They have been ignored,or old ones used instead.

 

报错原因

解析域名不对

 

解决方案

vim /etc/systemd/resolved.conf

dns改成8.8.8.8

 

 

保存，重启机器即可

 

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