ubuntu 21.04 更换阿里云镜像源
备份原来的源$ mv /etc/apt/sources.list /etc/apt/sources.list.bak$ vim /etc/apt/sources.list添加如下内容deb http://mirrors.aliyun.com/ubuntu/ hirsute main restricted universe multiversedeb http://mirrors.aliyun.co
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备份原来的源
$ mv /etc/apt/sources.list /etc/apt/sources.list.bak
$ vim /etc/apt/sources.list
添加如下内容
deb http://mirrors.aliyun.com/ubuntu/ hirsute main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ hirsute-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ hirsute-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ hirsute-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ hirsute-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ hirsute main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ hirsute-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ hirsute-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ hirsute-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ hirsute-backports main restricted universe multiverse
更新软件库
$ apt update
PS:更新ubuntu 其他版本的源,直接修改ubuntu 的版本代号即可,例如 21.04 的版本代号是 hirsute
使用 vim 中的 :%s/[source]/[target]/g 全局替换文本
2021-11-04
如果安装软件的过程中出现类似版本不一致的问题,如下。原因是源的版本与系统版本不匹配。
在装libc6-dev时下列的软件包有不能满足的依赖关系:
libc6-dev : 依赖: libc6 (= 2.23-0ubuntu3) 但是 2.23-0ubuntu10 正要被安装
E: 无法安装的软件包
如果想知道原系统版本,可以参考备份的 source.list 写的版本。我这里是 impish
# /etc/apt/sources.list.bak
deb http://cn.archive.ubuntu.com/ubuntu/ impish main restricted
....
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