Ubuntu20.04安装软件报错:The following packages have unmet dependencies

Ubuntu20.04更换阿里云源后安装软件都会报错:The following packages have unmet dependencies

查看资料,大概是ubuntu本身的源比较版本较老,而阿里云的源比较新,因此版本不匹配造成依赖的库不匹配,所以只要将阿里云的源换回Ubuntu官方源

1,替换源
Ubuntu 的软件源配置文件是 /etc/apt/sources.list
使用指令:

sudo vim /etc/apt/sources.list

然后将下面的源拷贝过去:

Ubuntu20.04LTS的清华大学源如下:

# 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/ focal main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-security main restricted universe multiverse
 
# 预发布软件源,不建议启用
# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse

如下所示:
Ubuntu20.04安装软件报错:The following packages have unmet dependencies_第1张图片
2,更新源
更新本地软件源列表:

sudo apt-get update

Ubuntu20.04安装软件报错:The following packages have unmet dependencies_第2张图片
根据刚才更新的软件源更新本地软件库:

sudo apt-get upgrade

Ubuntu20.04安装软件报错:The following packages have unmet dependencies_第3张图片
然后可以正常安装了。

如果还是不能解决你的问题,有可能是其他的问题。可以再搜搜。

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