linux笔记: 解决ubuntu安装libssl-dev失败

问题描述

在ubuntu进行apt操作时，提示libssl依赖不匹配，如：

The following packages have unmet dependencies:
 libssl-dev : Depends: libssl1.0.0 (= 1.0.1-4ubuntu5.7) but 1.0.1c-3ubuntu2.2 is to be installed
              Recommends: libssl-doc but it is not going to be installed

问题分析

libssl安装的版本与系统不兼容, 此时继续用apt重新安装libssl-dev是不行的，通常需要采取降级处理。

解决方案

安装aptitude工具： $ sudo apt-get install aptitude

用aptitude安装libssl-dev： $ sudo aptitude install libssl-dev

 The following NEW packages will be installed:
   libssl-dev{b} libssl-doc{a} 
 0 packages upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
 Need to get 2,031 kB of archives. After unpacking 7,801 kB will be used.
 The following packages have unmet dependencies:
  libssl-dev : Depends: libssl1.0.0 (= 1.0.1f-1ubuntu2) but 1.0.1f-1ubuntu2.19 is installed.
 The following actions will resolve these dependencies:

      Keep the following packages at their current version:
 1)     libssl-dev [Not Installed]

此时询问是否维持原版本，选否： Accept this solution? [Y/n/q/?] n

 The following actions will resolve these dependencies:

      Downgrade the following packages:                                   
 1)     libssl1.0.0 [1.0.1f-1ubuntu2.19 (now) -> 1.0.1f-1ubuntu2 (trusty)]

询问是否接受该降级方案，选是： Accept this solution? [Y/n/q/?] y

 The following packages will be DOWNGRADED:
   libssl1.0.0 
 The following NEW packages will be installed:
   libssl-dev libssl-doc{a} 
 0 packages upgraded, 2 newly installed, 1 downgraded, 0 to remove and 0 not upgraded.
 Need to get 2,857 kB of archives. After unpacking 7,784 kB will be used.

询问是否继续，选是： Do you want to continue? [Y/n/?] y
一路到底，完成

可能遇到的问题

安装时提示无法从安装源获取资源，如：

  W: 无法下载 http://cn.archive.ubuntu.com/ubuntu/dists/raring-updates/multiverse/binary-i386/Packages 404 Not Found [IP: 202.118.1.64 80]

  E: Some index files failed to download. They have been ignored, or old ones used instead.

此时参照隔壁解决ubuntu源更新的问题

解决Ubuntu系统libssl-dev依赖不匹配问题

问题描述

问题分析

解决方案

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