Interesting free educational videos and webinars from Truebit.tv

Truebit.tv is a new online channel which contains exciting new free educational videos and webinars started by W Curtis Preston and Truth in IT.

 To access the site, just register yourself. Here are some useful links.

1. Truebit.Tv Webinar
2. Truebit.Tv Video

Painting /etc/motd with some colour

Adding colours to foreground and background of the /etc/motd is a useful way to hightlight remarks or message that users can take a note. It is not very difficult. Firstly, do take a look at the colour codes.

^[[0m    - Reset the terminal characteristics
^[[1m    - emphasis (bold)

^[[30m    - Foreground black
^[[31m    - Foreground red
^[[32m    - Foreground green
^[[33m    - Foreground yellow
^[[34m    - Foreground blue
^[[35m    - Foreground magenta
^[[36m    - Foreground cyan
^[[37m    - Foreground white

^[[40m    - Background black
^[[41m    - Background red
^[[42m    - Background green
^[[43m    - Background yellow
^[[44m    - Background blue
^[[45m    - Background magenta
^[[46m    - Background cyan
^[[47m    - Background white

The ^[ can be achieved by pressing CTRL-ESC then ESC. Do note that CTRL-ESC then ESC is not the same as directly typing ^[

The steps are as followed

1. CTRL-ESC then ESC and type "[31m" (without the quotation)
2. The Message you wish to convey
3. Terminating the with CTRL-ESC then ESC and type "[[0m"

For example,

^[[31m #########Hello I'm foreground red############  ^[[0m

Purchasing Hewlett Packard HP spare parts in Singapore

 
If you have out-dated HP models and wish to get HP spare parts, you have to go to Servlink Technology Resources Pte Ltd.

Sales Hotline: 62730010
Email: sales@servlink.com.sg

Checking whether IP forwarding is enabled on your Linux Box

Gateway provides a local private network to have access to the internet. To do a quick check whether the IP forwarding is enabled on your machine, do a simple

# cat /proc/sys/net/ipv4/ip_forward

If the output is 0, then IP forwarding is not enabled. If the output is 1, then IP forwarding is enabled
If your output is 0, you can enabled it by running the command

# echo 1 > /proc/sys/net/ipv4/ip_forward

Running the command cat /proc/sys/net/ipv4/ip_forward and it should show 1

For more information, do look at the article Installing and configuring a Linux gateway

Price Lists for IT equipment at Sim Lim Square Singapore

Sim Lim Square is one of the largest electronics and computer shopping mall you will find in Singapore. But in case  you wish to check some of the online pricing of computer related accessories, do look at this website.

VR-Zone Price Watch