### Install ZeroMQ 4.1.2 on Ubuntu

Source: https://github.com/ericschles/bindings-mql4-5/blob/master/README.md

This snippet outlines the steps to download, extract, compile, and install a specific version (4.1.2) of ZeroMQ from source on Ubuntu. It includes commands for fetching the tarball, configuring the build, compiling, installing, and updating the linker cache.

```Shell
wget http://download.zeromq.org/zeromq-4.1.2.tar.gz
tar -xvf zeromq-4.1.2.tar.gz
cd zeromq-4.1.2
./autogen.sh
./configure && make check
sudo make install
sudo ldconfig
```

--------------------------------

### Install ZeroMQ on Ubuntu 16.04

Source: https://github.com/ericschles/bindings-mql4-5/blob/master/README.md

This snippet provides the shell commands to install ZeroMQ development libraries on Ubuntu 16.04, a prerequisite for compiling ZeroMQ from source or using its development headers.

```Shell
sudo apt-get install libtool pkg-config build-essential autoconf automake
sudo apt-get install libzmq-dev
```

--------------------------------

### Install libsodium on Ubuntu

Source: https://github.com/ericschles/bindings-mql4-5/blob/master/README.md

This section details the process of cloning, compiling, and installing the libsodium library, which is often a dependency for ZeroMQ's advanced security features. It includes steps for configuration, checking, and updating the dynamic linker cache.

```Shell
git clone git://github.com/jedisct1/libsodium.git
cd libsodium
./autogen.sh
./configure && make check
sudo make install
sudo ldconfig
```

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