Install the module

Install the dependencies for the module.

apt install make openssl libssl-dev libcurl4 libcurl4-openssl-dev gcc git libapr1-dev libaprutil1-dev autoconf libtool libtool-bin libpcre3-dev libjansson-dev curl apache2 apache2-dev

Make sure your Apache server is version 2.4.48 or later.
```
apache2ctl -V
```
Create a temporary directory in the current working directory for the mod_md tar file.
```
mkdir mod_md_installation
cd /mod_md_installation
```
Download the latest compiled mod_md module and save it to the temporary directory.
Untar the file.
```
tar -xvf mod_md.2.4.x.tar.gz
```

Execute the following commands in order.

cd mod_md-2.4.x
./configure --with-apxs=/usr/bin/apxs --enable-werror
make
make install
a2enmod md

Restart the Apache service.
```
systemctl restart apache2
```
Confirm the status of the Apache service by running the following command.
```
systemctl status apache2
```
If Apache doesn’t start, run systemctl service apache2 for more information.