IT Security & Network Engineering Knowledge Base

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Serious db problem:Unknown column ‘fbviewtype’ in ‘field list’ SQL=select fbviewtype from jos_comprofiler where user_id=’62’

Issue When using Fireboard and Community Builder. You may find that when you try to access your Fireboard forum from your website (frontend) after logging in you receive the following error : Serious db problem:Unknown column ‘fbviewtype’ in ‘field list’ SQL=select fbviewtype from jos_comprofiler where user_id=’62’ Solution To resolve this goto “Fireboard Forum –> Fireboard … Read more

Joomla 1.5.x: Redirect Fireboard Login to Community Builder Login

Below shows you how to redirect the Fireboard Login to your Community Builder Login. Create a copy of your CB Login Module. This will be used in the next step Create a Module Content Page for your Community Builder Login. Once done you will have created page which contains your CB Login and a URL … Read more

How do I create a page using just a module in Joomla 1.5.x ?

Scenerio In this scenerio we will require to create a page using only a module. In order to accomplish this we use a built in Joomla Plugin called “Content – Load Module“. This is enabled by installed and enabled by default upon Joomla Installation. Required Steps Below details the required steps for created a page … Read more

Fatal error: Allowed memory size of 8388608 bytes exhausted

You may see the following error when the memory requirements of your PHP script exceeds the default 8MB limit. Fatal error: Allowed memory size of 8388608 bytes exhausted (tried to allocate 2682912 bytes) in /opt/lampp/htdocs/site/libraries/joomla/filesystem/archive/gzip.php on line 77 To resolve this change the line that reads  ‘memory_limit = 8M‘ to  ‘memory_limit = 16M’  within your … Read more

How to Encode / Decode a File

What is encoding / decoding ? Encoding refers to the process of translating a file into an ASCII based string. Decoding refers to the process of decoding the ASCII based string. In order to perform this decoding/encoding process Base64 is typically used. Base64 is a program that  converts each 6 bits and then converts this … Read more

RHEL5 Backup Shell Script

Below is a link to a RHEL5 shell backup script. Below is a summary of what the script does : Creates a tgz of all the major RHEL 5 operating system files to ${backup_name}. All the installed rpms are saved to a text file named /var/log/installed_rpms.txt. #!/bin/sh # # RHEL 5 Backup Script v1.1 # … Read more

Creating a VLAN Trunk on a Netscreen Firewall

Below shows you the basic configuration on how to create a VLAN trunk on a Netscreen Firewall. A VLAN trunk is a term used to describe a collection of logical interfaces, each one being able to receive and de-capsulate VLAN tagged packets for its relevant VLAN. In this example our trunk will consist of 2 … Read more

How to reset a Netscreen back to factory default

In order to reset a Netscreen back to factory default you will need to first connect via the console connection. This is because you will lose IP connectivity once you reset the devices configuration. You will then need to obtain the devices serial number from either of the device itself or from the CLI, netscreen-> … Read more