AMP é uma forma abreviada de referir-se ao kit de ferramentas Apache, PHP e MySQL, é comum que os repositórios aceitem esse parâmetro para instalar todos os pacotes relacionados automaticamente.

Pacotes necessários para instalação do AMP:

-bash-3.2# pkg install system/library/gcc-3-runtime
-bash-3.2# pkg install developer/library/lint 
-bash-3.2# pkg install developer/gcc-3 
-bash-3.2# pkg install text/gnu-grep 
-bash-3.2# pkg install developer/macro/gnu-m4 
-bash-3.2# pkg install developer/build/gnu-make 
-bash-3.2# pkg install system/library/security/libgcrypt 
-bash-3.2# pkg install library/gnutls
-bash-3.2# pkg install security/kerberos-5/kdc
-bash-3.2# pkg install system/library/security/rpcsec
-bash-3.2# pkg install developer/build/make
-bash-3.2# pkg install developer/linker
-bash-3.2# pkg install system/header
-bash-3.2# pkg install developer/object-file
-bash-3.2# pkg install developer/library/profiled-libc
-bash-3.2# pkg install compatibility/ucb
-bash-3.2# pkg install compatibility/ucb
-bash-3.2# pkg install library/libxslt
-bash-3.2# pkg install library/gnutls
-bash-3.2# pkg install library/security/openssl
-bash-3.2# pkg install library/pcre

Instale o AMP:

-bash-3.2# pkg install group/feature/amp

Ativando o servidores web:

-bash-3.2# svcadm -v enable /network/http:apache24

Habilitando o bando de dados:

svcadm enable mysql

Modo de administração do MySQL:

mysqladmin -u root password pVIDzep3Xlhw4L8oU2zK

Use o comando mysql para acesso o prompt do bando de dados:

mysql> show databases;
  Database
  information_schema 
  mysql 
  test
  3 rows in set (0.01 sec)

mysql> quit;
  Bye

Referências

Install MySQL
Setup MySQL