Ubuntu16.04 安装Erlang（楼主亲测，真实有效）

为什么要安装Erlang

有一些应用程序和系统，其中Erlang具有重要作用：RabbitMQ，面向消息的中间件是用Erlang编程语言编写的。WhatsApp使用Erlang来运行消息服务器。亚马逊，雅虎，Facebook，摩托罗拉和Github等许多大公司正在使用Erlang。

一、关于Erlang的简单介绍

我来验证下。唉，现在的博客都太不靠谱了，都没有验证测试，就写出来。误导大家，浪费大家的时间和精力。

二、下载包

首先要去Erlang官网下载一个最新的安装包。
不推荐通过apt-get会发现找不到源，或者很久没有更新，安装的都是老旧的。
官方包下载地址

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三、把包传到机器上去

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四、执行安装操作

1、执行安装操作

dpkg -i esl-erlang_21.0-1_ubuntu_artful_amd64.deb

它会说，我缺少很多相关的依赖。

root@ubuntu:/home/erlang# dpkg -i esl-erlang_21.0-1_ubuntu_artful_amd64.deb 
Selecting previously unselected package esl-erlang.
(Reading database ... 60202 files and directories currently installed.)
Preparing to unpack esl-erlang_21.0-1_ubuntu_artful_amd64.deb ...
Unpacking esl-erlang (1:21.0) ...
dpkg: dependency problems prevent configuration of esl-erlang:
 esl-erlang depends on libwxbase2.8-0 | libwxbase3.0-0 | libwxbase3.0-0v5; however:
  Package libwxbase2.8-0 is not installed.
  Package libwxbase3.0-0 is not installed.
  Package libwxbase3.0-0v5 is not installed.
 esl-erlang depends on libwxgtk2.8-0 | libwxgtk3.0-0 | libwxgtk3.0-0v5; however:
  Package libwxgtk2.8-0 is not installed.
  Package libwxgtk3.0-0 is not installed.
  Package libwxgtk3.0-0v5 is not installed.
 esl-erlang depends on libsctp1; however:
  Package libsctp1 is not installed.

dpkg: error processing package esl-erlang (--install):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 esl-erlang

2、解决依赖问题

按照要求解决依赖：
例如：

root@ubuntu:/home/erlang# apt-get install libwxbase3.0-0v5
Reading package lists... Done
Building dependency tree       
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
 esl-erlang : Depends: libwxgtk2.8-0 but it is not installable or
                       libwxgtk3.0-0 but it is not installable or
                       libwxgtk3.0-0v5 but it is not going to be installed
              Depends: libsctp1 but it is not going to be installed
              Recommends: erlang-mode but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).

这个时候你需要执行：

apt-get -f install

然后会让你同意输入一个y。
大概需要五分钟去执行。

3、再次执行安装操作

root@ubuntu:/home/erlang# dpkg -i esl-erlang_21.0-1_ubuntu_artful_amd64.deb 
(Reading database ... 79229 files and directories currently installed.)
Preparing to unpack esl-erlang_21.0-1_ubuntu_artful_amd64.deb ...
Unpacking esl-erlang (1:21.0) over (1:21.0) ...
Setting up esl-erlang (1:21.0) ...
root@ubuntu:/home/erlang#

4、检查是否安装成功

这样就安装成功了。

root@ubuntu:/home/erlang# erl
Erlang/OTP 21 [erts-10.0] [source] [64-bit] [smp:2:2] [ds:2:2:10] [async-threads:1] [hipe]

Eshell V10.0  (abort with ^G)
1>

有图有真相
这里写图片描述

我觉得，做技术最重要的是严谨，现在有些博客啊，到处搬运，都没有经过测试，就发出来，结果呢。
结果就是都不靠谱。