Home HiFi Electronics Audio Test and Measurement for DIY IT Stuff Downloads Bookmarks WaveSpectra and WaveGene mirror


I try to bookmark stuff but always end up losing the bookmarks, so I just note them here (when I remember to do so!).

Most of these links are quite old but probably still relevant in most cases.


Creating custom ESXi firewall rule

HP ACU CLI tools on VMWare

Add a cron job in VMWare

Customised ESXi 5.5 ISO


MySQL log is in the future - fix

MySQL select and calculate value from multiple columns

uk date format in mysql

Rename a table in MySQL

How to Change a Column Name in MySQL

Add a column to an existing MySQL table

SQL Prepared Statements


Opamp gain calculator

Ohms law calculator (+ other calculators)

HiFi Collective


HTML form submit to self

Styling forms with CSS

HTML colour picker

Build a calendar table

Various CSS Input Text Styles (and labels)

css center div inside container?

Replace invalid image url with 404 image

Linux & BSD

FreeBSD ppp router

Blocking multicast traffic with iptables

Send email with netcat

Linux hpacucli - HP Raid too

CentOS upgrade tool

List of raw FTP commands

ShellCheck - check shell scripts

Simple server monitoring with xinetd

Bash while loop

Converting string to lower case in Bash shell scripting

Bash - test if a variable is a number

Netcat examples

More Netcat stuff

Vi Search and Replace

Bash - if - else

Add character to the beginning of each line using sed


Verify Successful Replication to a Domain Controller

Exchange versions (2013 related)

Powershell NIC configuration

Launch control panel apps command line

More on control panel launching

And more!


PHP5 foreach loop

How do I make a PHP form that submits to self?

Addition in PHP

PHP Update Data in MySQL

PHP for loop

PHP echo block of text

PHP function return array

How to check if a string contains a specific word in PHP?

Keeping Navigation Current With PHP

Remove directory from glob() results

PHP – strip leading slashes, strip trailing slashes

PHP Variables, Functions, Arrays, and Loops

Handling a PHP unserialize offset

Best way to do a PHP switch with multiple values per case?

How to create dynamic header for tables in php

Encode and store multiple variables in URL

Check if directory exists, make directory

Retrieve the list of all jpg files in a directory


Gnuplot #1

GNUPlot #2

Gnuplot #3

BMW parts lists


Misc. stuff

download images from google with command line