Binary package hint: php5 On 9.10 Karmic beta, tested on x86/x86_64/armel : php5 is missing extension zlib.so even though php5 has been compiled with zlib support. This can be reproduced by installing a php package that depends on zlib such as Wordpress (uses zlib to unpack .zip files). the error generated is: Abort class-pclzip.php : Missing zlib extensions A bug may have been misfiled under zlib