Archive for November, 2008



Horde login failed on linux plesk

Friday, November 21st, 2008

Today, while logging to webmail got an error “Horde login failed” , had tried to reset the password of the email address but that did not fix the issue. After further investigating what I found is that I was unable to telnet the IMAP port – the command used for this is:

root# telnet localhost 143

Then, checked with ifconfig and got the output:

lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
inet6 ::1 prefixlen 128

The line “inet 127.0.0.1 netmask 0xff000000” was missing, to get this fixed I executed the below command:

root# ifconfig lo0 127.0.0.1 netmask 255.0.0.0

Then, I have tried to login using Horde and it worked perfectly fine.

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Check if a PHP function name if available on dedicated linux server

Thursday, November 20th, 2008

If you have your site hosted on a linux based dedicated server and are looking if the “php function” that you need is available or not on the server, a small piece of php code can help you find it. You have to created a file for ex. functions-in.php and add the below code in it – further browse the file in your favourite browser. http://www.yourdomain.com/functions-in.php

<?php
if (function_exists('FUNCTION_NAME')) {
echo "Function is available.<br />\n";
} else {
echo "Function is not available.<br />\n"; }
?>

It will display the result within your php page.

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Install ImageMagick using yum

Saturday, November 8th, 2008

First of all you may ask what is ImageMagick? It is a software suite for image manipulation and display, ImageMagick supports hundreds of image formats on a dedicated server on which it is installed.

Following are the commands to install ImageMagick using yum

root# yum install glib
root# yum install glib2
root# yum install libpng
root# yum install libjpeg
root# yum install libtiff
root# yum install ghostscript
root# yum install freetype
root# yum install ImageMagick
root# yum install ImageMagick-perl

That’s it

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