Ubuntu14.04升级到Ubuntu16.04

https://blog.csdn.net/dylloveyou/article/details/78232656
https://blog.csdn.net/weixin_38056657/article/details/81186215
https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/

root@docker01:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 14.04.5 LTS
Release:    14.04
Codename:   trusty
   
   
   
   

    
    
    
    
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2.执行更新命令

root@docker01:~# apt-get update && apt-get dist-upgrade
   
   
   
   

    
    
    
    
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3.重启系统

root@docker01:~# reboot
   
   
   
   

    
    
    
    
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4.进行升级

root@docker01:~# do-release-upgrade
   
   
   
   

    
    
    
    
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提示没有新的版本

root@docker01:~# do-release-upgrade
Checking for a new Ubuntu release
No new release found
   
   
   
   

    
    
    
    
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需要改动apt源
把 /etc/apt/sources.list下面的14的源改为16的源，这里用的是阿里的源

deb http://mirrors.aliyun.com/ubuntu/ trusty main multiverse restricted universe
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改为

deb http://mirrors.aliyun.com/ubuntu/ xenial main multiverse restricted universe
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我加的是清华的源https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/：

# 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/ xenial main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse

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

再次执行 do-release-upgrade
这次就开始升级了
随着升级的系统，必须重启某些服务，选择Yes并继续

最后系统会提示删除过时的包，输入“Y”
升级过程完成后，需重新启动系统

5.验证升级完成

root@docker01:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 16.04.3 LTS
Release:    16.04
Codename:   xenial
   
   
   
   

    
    
    
    
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现在是16.04版本的系统了。。。