By default, most Linux systems deliver system emails — cron output, monitoring alerts, security notices — to the local root mailbox. If you never chec[……]
Author: Andrea
Mediawiki: disable account creation
When you install MediaWiki, new user registration is enabled by default. Anyone can create an account and start editing. That’s fine for a publi[……]
How to configure sendmail as a SMART HOST
Sometimes I need to test the email functionality of a PHP website on my local machine. The best and easiest way I found so far is using sendmail as a[……]
How to install “as many Operating Systems as you want” in one machine
Do you often have the need, or want the pleasure, to try a new operating system?
Do you prefer using a “real machine” rather than creating a virtual[……]
How to ssh to a server without password
If you connect to a remote server regularly, typing your password every time gets old fast. Key-based authentication is the standard way around this —[……]
How to create a simple WordPress Child Theme
A child theme lets you customise an existing WordPress theme without losing your changes when the parent theme updates. Every time the parent theme is[……]
Sharing Internet connection trough an ethernet card with Ubuntu
If you have more than one network card (wireless and ethernet, like in a normal laptop) you can share your Internet connection with another computer v[……]
Virtualbox USB devices not working on Ubuntu Lucid
There is a known problem between Ubuntu Lucid as host OS and Virtualbox 3.2 when it comes to USB devices. Everything works fine except the USB control[……]
Wireless Android/pc file transfer with OnAir
I recently bought a new HTC Wildfire and was looking for a way to transfer files between my computer and the phone without needing a USB cable all the[……]
10 reasons open source is good for business
According to PCWorld, Open Source software is good for business for exactly ten reasons. Here is a summary.
Security — The more people can look at th[……]