On Feb 12, 2011, at 7:28 PM, Peter Ivanov wrote: > PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/ > mysql.so' - libmysqlclient.so.15: cannot open shared object file: No > such file or directory in Unknown on line 0 Run ldd /usr/lib64/php/modules/mysql.so and list the output. It should look something like: [root at localhost ~]# ldd /usr/lib64/php/modules/mysql.so libmysqlclient.so.15 => /usr/lib64/mysql/libmysqlclient.so.15 (0x00002b180136f000) libc.so.6 => /lib64/libc.so.6 (0x00002b18016e0000) libcrypt.so.1 => /lib64/libcrypt.so.1 (0x00002b1801a37000) libnsl.so.1 => /lib64/libnsl.so.1 (0x00002b1801c70000) libm.so.6 => /lib64/libm.so.6 (0x00002b1801e88000) libssl.so.6 => /lib64/libssl.so.6 (0x00002b180210b000) libcrypto.so.6 => /lib64/libcrypto.so.6 (0x00002b1802358000) libz.so.1 => /usr/lib64/libz.so.1 (0x00002b18026a9000) /lib64/ld-linux-x86-64.so.2 (0x0000003bd6a00000) libgssapi_krb5.so.2 => /usr/lib64/libgssapi_krb5.so.2 (0x00002b18028bd000) libkrb5.so.3 => /usr/lib64/libkrb5.so.3 (0x00002b1802aec000) libcom_err.so.2 => /lib64/libcom_err.so.2 (0x00002b1802d81000) libk5crypto.so.3 => /usr/lib64/libk5crypto.so.3 (0x00002b1802f83000) libdl.so.2 => /lib64/libdl.so.2 (0x00002b18031a9000) libkrb5support.so.0 => /usr/lib64/libkrb5support.so.0 (0x00002b18033ad000) libkeyutils.so.1 => /lib64/libkeyutils.so.1 (0x00002b18035b5000) libresolv.so.2 => /lib64/libresolv.so.2 (0x00002b18037b8000) libselinux.so.1 => /lib64/libselinux.so.1 (0x00002b18039cd000) libsepol.so.1 => /lib64/libsepol.so.1 (0x00002b1803be6000) [root at localhost ~]# If it can't find libmysqlclient, you can work around the deeper issue by running ln -s /usr/lib64/mysql/libmysqlclient.so.15 /usr/lib64/ libmysqlclient.so.15 and see if that 'fixes' it. -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/pkcs7-signature Size: 1813 bytes Desc: not available URL: <http://lists.centos.org/pipermail/centos/attachments/20110212/f4a7993a/attachment-0005.p7s>