Archive for July 15th, 2009

There could be a couple issues causing WordPress to not send mail however in a server move the most likely is that the previous server was using Sendmail and the new server is using a different mail server like Postfix or vice versa. There also are a couple ways to resolve the issue and I will explain each method below however I recommend installing a WordPress Add-on to resolve the issue versus modifying a core WordPress file that could inadvertently be overwritten in the future.

The two ways which are described in detail to resolve this issue are to either install the WP-Mail-SMTP WordPress plugin or to modify the pluggable.php file located in the /wp-root/wp-includes directory. Each method will change the way that the $phpmailer function sends mail.

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You may get the below error when attempting to activate your Pandora Internet Radio account on your iPhone but don’t panic you can easily obtain a different activation code by following the directions below.

Error: That Activation code is expired. Please try again with another code.

Pandora Internet Radio: Activation Expired

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After modify some Perl modules with CPAN I started getting the below errors in the Apache error_log.

Errors:
[Sun Jul 12 14:15:03 2009] [notice] child pid 4329 exit signal Segmentation fault (11)
[Sun Jul 12 14:15:27 2009] [notice] child pid 4331 exit signal Segmentation fault (11)
[Sun Jul 12 14:15:30 2009] [notice] child pid 5065 exit signal Segmentation fault (11)
[Sun Jul 12 14:15:31 2009] [notice] child pid 4339 exit signal Segmentation fault (11)
[Sun Jul 12 14:15:48 2009] [notice] child pid 10111 exit signal Segmentation fault (11)
[Sun Jul 12 14:15:48 2009] [notice] child pid 4325 exit signal Segmentation fault (11)

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I ran into some errors with my PHP modules on a CentOS server running ISPConfig to host web sites. I decided instead of in depth troubleshooting that it might be easier to go ahead and upgrade PHP since by default the yum package manager will limit you to PHP version 5.1 yet I knew that PHP version 5.2 had been out for a long time. What I needed to do was locate a yum repository that would allow me to upgrade PHP to version 5.2 using yum. The catch was to make sure that every necessary PHP module had an updated package available via the new yum repository. Below I describe upgrading PHP version 5.1 to PHP version 5.2 on CentOS running ISPConfig.

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I recently decided to do a fresh CentOS install on a web server with a minimal amount of sites on it because it seemed easier than attempting to upgrade everything. With a fresh install I figured I would be forced to get everything completed quicker. The server was upgraded from CentOS 5.1 to CentOS 5.3 and from ISPConfig 2.X to ISPConfig 3.X. One of the virtual host configurations was for a Nagios server that monitors a fairly large list of servers running various services from basic server items like CPU, Load, Disk Space, etc. all the way to complex PostgreSQL statistics and other custom items. There are numerous Perl scripts to monitor PostgreSQL including check_pg_connections.pl, check_pg_lock_status.pl, check_pg_max_xid.pl, check_pg_queries.pl, check_pg_time.pl, and check_pg_waiting_queries.pl. The scripts use the DBD-Pg Perl module to make a connection (remote or local) to PostgreSQL servers.

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