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1. Apache: Error(98)
(Tech Notes/General)
I ran across a situation where Apache wouldn't start. It generated the following error; "(98)address already in use: make_sock: could not bind to address [::]:80 (98)address already in use: make_sock: ...
I've tried following instructions found on the 'net for turning on the NumLock key at startup in KDE. Only problem; I don't have the keyboard element installed for some reason. So I'm trying the KDM solution; ...
Backing up and restoring a MySQL database is a relatively easy proposition provided you have adequate access priviledges to the database. The following commands write and read to the current directory. ...
... to "database" and plugin "includePHP installed for the following information to be valid. Current and active user sessions are stored in a cookie on the user local drive. The cookies are domain related ...
5. Joomla!: DHTML Menus Behind Flash
(Development/Joomla)
... and Ext Menu module. The answer lies in the AVR plugin configuration. In Joomla Admin do the following; Go to Extensions/Plugin Manager Click the item Content AllVideos Reloaded Locate and change ...
...  Using Perl or SED These methods are suited for text manipulation where search and replace strings are simple without the need for escape characters; In the following example we replace the word rabbit ...
7. Linux: File & Directory Pruning
(Tech Notes/Linux)
On occasion it is necessary to delete older files and directories while retaining the original directory structure. The find command provides a lot of horsepower to get the job done. As I'm not aware of ...
8. Postfix: Delete Deferred
(Tech Notes/Linux)
... this you'll need adequate permissions or SUDO access. Simply execute the following command; postsuper -d ALL deferred This command works on all the data directory structure for postfix. I.e.; "postsuper ...
... Host Inteface Networking. Carefully following the instruction in the manual section 6.7. Specifically the following excerpt; --- 6.7.1.1 Debian and Ubuntu hosts To set up a permanent host interface on ...
10. Ubuntu 8.04: Change Shells
(Tech Notes/Linux)
... it simply execute the following command in a terminal (CLI); ln -sf /bin/bash /bin/sh If you want to change it back to dash, simply enter; ln -sf /bin/dash /bin/sh That's it...down 'n' dirty.  ...
To automate SSH login, a copy of the public key representing your system must be placed on the remote computer. These key are typically located in ~/.ssh/authorized_keys. Use the following command to create ...
On occassion we need to get the Row names in a table. The following code snippet shows how to connect to the database and display all the Row names in the database table.  $con = mysql_connect(DB_HOST,DB_USER,DB_PASSWORD); ...
Since my initial installation of (K)Ubuntu 8.04 and VirtualBox 1.5.6, every time the kernel updates, VirtualBox crashes with the following error; VirtualBox kernel driver not installed. The vboxdrv kernel ...
14. PHP: Send 404 Error Header
(Development/PHP)
To return the proper header information in a file used as a 404 error page, enter the following line at the beginning of the document (Yes, before <!DOCTYPE> and <html> tags); <php header("HTTP/1.0 ...
... template.  Above the <head> tag add the following line: <?php $this->setGenerator('Replacement Text'); ?> Then change "Replacement Text" with whatever you wish. Remove It The problem ...
16. Force File Download
(Development/PHP)
... The following script offers this ability for various file types; <?php //Turn On error reporting error_reporting(E_ALL); ini_set('display_errors','On'); $path= "html/images/"; $filename=$path . $_GET['file']; ...
... at making them work within the environment I was trying to implement, I generated the following; <?php //SimMathSec stands for Simple Math Security // //Instructions: //1) Include this script inside ...
... for data recovery. The following processes are generally used to recover data from a hard disk drive. Preliminary Diagnostics You can see that a chip is blown on the board (PCB) of your drive. There ...
19. Hard Drive Repair - PCB
(Tech Notes/Data Recovery)
... own risk. If you insist on doing so anyway, please use the following guidelines; For the purpose of hard drive data recovery, the easiest way to get replacement parts and repair your hard drive is to ...
20. Selecting a Data Recovery Service Company
(Tech Notes/Data Recovery)
... properly. I recommend selecting a company that has a cleanroom. Capabilities - When questioning a service company about their capabilities consider the following; Logical - Virtually all data ...
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