---
title: apt-get update更新源报错
description: "执行apt-get update命令更新源时报如下错误信息："
url: https://www.hiascend.com/document/detail/zh/300Vtest/latest/300V_0082.html
sourcePath: /source/zh/300Vtest/300VG/300V_0082.html
indexId: 81ad11610a0264a85261986d6042a0b091ba2312ed9f5c27e5aa8b0f85aa39c140
---
# apt-get update更新源报错

#### 问题描述

执行apt-get update命令更新源时报如下错误信息：

```
Err:1 https://repo.huaweicloud.com/docker-ce/linux/ubuntu focal InRelease  Temporary failure resolving 'repo.huaweicloud.com'
Err:2 https://mirrors.huaweicloud.com/ubuntu-ports focal InRelease  Temporary failure resolving 'mirrors.huaweicloud.com'
Err:3 https://mirrors.huaweicloud.com/ubuntu-ports focal-updates InRelease Temporary failure resolving 'mirrors.huaweicloud.com'
Err:4 https://mirrors.huaweicloud.com/ubuntu-ports focal-security InRelease Temporary failure resolving 'mirrors.huaweicloud.com'
Err:5 https://mirrors.huaweicloud.com/docker-ce/linux/ubuntu focal InRelease Temporary failure resolving 'mirrors.huaweicloud.com'
Reading package lists... Done
```


#### 可能原因

软件包认证失败。


#### 解决方法

执行如下命令忽略软件包认证。

```
apt-get update --allow-unauthenticated
```