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  • ubuntu更换阿里源

    网上应该可以找到很多关于ubuntu源的设置方法,但是如果不搞清楚就随便设置的话,不仅不能起到应有的效果,还会由于一些问题导致apt不可用。

    最正确的更换源的方法应该如系统提示的:

    ## a.) add 'apt_preserve_sources_list: true' to /etc/cloud/cloud.cfg
    ## or do the same in user-data
    ## b.) add sources in /etc/apt/sources.list.d
    ## c.) make changes to template file /etc/cloud/templates/sources.list.tmpl

    这种方法有点没弄明白在/etc/apt/sources.list.d应该添加的是什么内容,如果是源文件的话,最后更改的模板又是什么作用?也没有去尝试,有时间会解决一下。

    以下提供设置阿里源的方法,其他源也可以如法炮制:

    1. 首先查看自己的ubuntu系统的codename,这一步很重要,直接导致你更新的源是否对你的系统起效果,查看方法:

        lsb_release -a

        如,我的系统显示:

    No LSB modules are available.
    Distributor ID: Ubuntu
    Description: Ubuntu 14.04.2 LTS
    Release: 14.04
    Codename: trusty

        显示了一些ubuntu的版本信息,需要得到的是Codename,比如,我这里是trusty

    2. 确认阿里源支持:

        登陆以下网页:http://mirrors.aliyun.com/ubuntu/dists/

        该网页显示了阿里云支持的ubuntu系统下各个Codename版本,确保自己的Codename在该网页中存在(一般都会有的)

    2. 备份系统源:

        cd /etc/apt
        sudo mv sources.list sources.list_bak

    3. 添加新的源文件:

        sudo vi sources.list

    并添加以下内容:注意,每一行的trusty应该用第一步查看得到的Codename来代替

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

    4. 保存并且sudo apt-get update,更新成功

    5. 以下提供配置脚本:

     1 Codename=$( (lsb_release -a)|awk '{print $2}'|tail -n 1 )
     2 echo "
     3 deb http://mirrors.aliyun.com/ubuntu/ $Codename main multiverse restricted universe
     4 deb http://mirrors.aliyun.com/ubuntu/ $Codename-backports main multiverse restricted universe
     5 deb http://mirrors.aliyun.com/ubuntu/ $Codename-proposed main multiverse restricted universe
     6 deb http://mirrors.aliyun.com/ubuntu/ $Codename-security main multiverse restricted universe
     7 deb http://mirrors.aliyun.com/ubuntu/ $Codename-updates main multiverse restricted universe
     8 deb-src http://mirrors.aliyun.com/ubuntu/ $Codename main multiverse restricted universe
     9 deb-src http://mirrors.aliyun.com/ubuntu/ $Codename-backports main multiverse restricted universe
    10 deb-src http://mirrors.aliyun.com/ubuntu/ $Codename-proposed main multiverse restricted universe
    11 deb-src http://mirrors.aliyun.com/ubuntu/ $Codename-security main multiverse restricted universe
    12 deb-src http://mirrors.aliyun.com/ubuntu/ $Codename-updates main multiverse restricted universe ">sources.list
    13 apt-get update

    sudo运行该脚本即可(注意运行之前最好备份之前的sources.list)

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  • 原文地址:https://www.cnblogs.com/lyon2014/p/4715379.html
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