echo@echo-ubuntu:~$ sudo pecl install oci8
downloading oci8-1.4.6.tgz ...
Starting to download oci8-1.4.6.tgz (167,182 bytes)
.................................done: 167,182 bytes
10 source files, building
running: phpize
Configuring for:
PHP Api Version:         20090626
Zend Module Api No:      20090626
Zend Extension Api No:   220090626
Please provide the path to the ORACLE_HOME directory. Use 'instantclient,/path/to/instant/client/lib' if you're compiling with Oracle Instant Client [autodetect] :