PHP
From Lolly's Wiki
Install mcrypt on Ubuntu 18.04
<syntaxhighlight lang=bash> $ sudo apt -y install gcc make autoconf libc-dev pkg-config libmcrypt-dev php7.2-dev $ sudo pecl install --nodeps mcrypt-snapshot </source>
<syntaxhighlight lang=bash> $ echo "extension=mcrypt.so" | sudo tee -a /etc/php/7.2/fpm/php.ini $ php-fpm7.2 -i | grep mc Registered Stream Filters => zlib.*, string.rot13, string.toupper, string.tolower, string.strip_tags, convert.*, consumed, dechunk, mcrypt.*, mdecrypt.*, bzip2.*, convert.iconv.* mcrypt mcrypt support => enabled mcrypt_filter support => enabled mcrypt.algorithms_dir => no value => no value mcrypt.modes_dir => no value => no value </source>