ubuntu 更改阿里云镜像源

阿里云镜像源地址:

https://developer.aliyun.com/mirror/ubuntu?spm=a2c6h.13651102.0.0.53322f70TiLYZU

1.在终端中执行下列指令:

cat /etc/issue

2.gedit etc/apt/sources.list

3.根据ubuntu 版本替换源

4.sudo apt-get update

5.sudo apt-get upgrade

提醒:如果出现以下错误

E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?

解决方法1

1获取apt进程:

 ps -A | grep apt
2.杀死进程

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sudo kill -9 进程id

3.删除锁定文件包

链接地址:https://blog.csdn.net/jiangjiang_jian/article/details/80695548

解决方法2

E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarly unavailable)

E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is an other process using it?

2. 如何解决这种问题呢?

  2.1 首先查看是否有apt-get这个程序在运行

  ps aux|grep apt-get

  2.2 如果发现存在这样的程序在运行那么就kill掉,否则执行2.3

  2.3 直接删除锁文件

  sudo rm /var/lib/dpkg/lock-frontend

  sudo rm /var/lib/dpkg/lock
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转载自blog.csdn.net/u010708028/article/details/103915249