Hi Any clue about the below issue? /usr/bin/pecl install json WARNING: channel "pear.php.net" has updated its protocols, use "channel-update pear.php.net" to update downloading json-1.2.1.tgz ... Starting to download json-1.2.1.tgz (17,780 bytes) ......done: 17,780 bytes 11 source files, building running: phpize Configuring for: PHP Api Version: 20041225 Zend Module Api No: 20050922 Zend Extension Api No: 220051025 /usr/bin/phpize: /tmp/tmpJaaJaV/json-1.2.1/build/shtool: /bin/sh: bad interpreter: Permission denied Cannot find autoconf. Please check your autoconf installation and the $PHP_AUTOCONF environment variable is set correctly and then rerun this script. ERROR: `phpize' failed [root@bom-bott ~]# ll /bin/sh lrwxrwxrwx 1 root root 4 Mar 30 12:50 /bin/sh -> bash [root@bom-bott ~]# echo PHP_AUTOCONF PHP_AUTOCONF [root@bom-bi1 ~]# echo $PHP_AUTOCONF /usr/bin/autoconf [root@bom-bott ~]# whereis autoconf autoconf: /usr/bin/autoconf /usr/local/bin/autoconf /usr/share/autoconf /usr/share/man/man1/autoconf.1.gz [root@bom-bott ~]# /usr/bin/pecl install json [root@bom-bott ~]# whereis phpize phpize: /usr/bin/phpize /usr/share/man/man1/phpize.1.gz _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos