我是在VirtualBox里用的Ubuntu,安装好后一直无法更新apt。
图一是从系统设置里换源的问题;图二是终端出现的问题
Ubuntu版本是16.04,VirtualBox里使用的Ubuntu
试过换各种源都失败了,已经折磨我三天了。
希望各位帮我解答一下什么原因,怎么解决
感谢邀请
更新失败的可能原因
1,网络原因
2,ubuntu16 自带的源不好用,或者有问题
解决方法可以参考这篇文章
Ubuntu apt update(apt-get update)报错、失败_墨痕诉清风的博客-CSDN博客_apt update失败
执行sudo apt-get update失败的解决方案_Jane_sl的博客-CSDN博客
如有帮助,采纳一下
修改源的时候,把原来指向ubuntu自己服务器的地址全部注释掉。都指向阿里云的服务器上。
执行如下命令,更新软件源
sudo rm /var/lib/dpkg/lock
sudo apt clean
sudo rm /var/lib/dpkg/updates/*
sudo apt update
先解决网络问题,再检查安装源(换一台试试源是否OK)。可以把换源的文件内容展示出来,方便查问题。
那个优麒麟的源有问题
1:换源
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
sudo gedit /etc/apt/sources.list
#复制下面的所有内容替换掉原文件中的所有内容(一次只可以选一个镜像源,根据你的情况选)
# 阿里源
deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
# 清华源
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
2:
sudo apt update
sudo apt upgrade
【1】 sudo cp /etc/apt/sources.list /etc/apt/sources.list_backup 先将之前的下载源备份一下
【2】sudo vim /etc/apt/sources.list 打开这个文件准备修改
【3】添加清华园的下载源(下载源在下方,复制粘贴就行),粘贴到这个文件夹下就可以
【4】sudo apt-get update 更新一下
# 默认注释了源码镜像以提高 apt update 速度,如有需要可自行取消注释
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse