解决Ubuntu报错 E: Unable to locate package yum

最新推荐文章于 2024-01-20 12:09:01 发布

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#ubuntu #linux #服务器

本文介绍了如何修改Ubuntu系统的apt-get源配置文件，使用阿里云镜像源，以及处理在更新过程中可能出现的publickey未验证的错误。通过备份源文件，替换为阿里云的镜像源地址，然后更新系统并解决公钥问题，最后安装yum。

修改源配置文件

# 修改 apt-get 源的配置文件
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak #备份
sudo vim /etc/apt/sources.list #修改

使用阿里云镜像

deb http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse

更新源

sudo apt-get update #更新列表

可能会报错：

Err:5 http://mirrors.aliyun.com/ubuntu trusty-backports InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F3

执行以下命令再重新更新

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 报错的publicKey

最后安装yum

sudo apt-get install yum