Arul's Blog Posts

Profile Picture, Cover Photo and Other Image Dimensions
Comprehensive list of dimensions of photos and images in Facebook, Twitter, Google+, LinkedIn and major social media websites.... continue reading

VirtualBox: How to access guest (CentOS) webserver from the host (Mac OS X) on NAT
This is an article how to access guest (CentOS) webserver from the host (Mac OS X) using NAT and Host-Only networks.... continue reading

Samsung Series 3 laptop: How to get BIOS boot menu to show DVD and USB devices
How to get boot menu to show DVD and USB devices in Samsung Series 3 laptops... continue reading

How to reset your Verizon FiOS router password
Basic tutorial on reseting your Verizon FiOS router password to the default one.... continue reading

How to reset admin password on Mac OS X
Tutorial to reset the admin password on Mac OS X (Leopard or Snow Leopard).... continue reading

How to create an SSH connection without a password
This tutorial shows you How to create an SSH connection without a password. Useful for ssh, scp and cron jobs that require password-less logins.... continue reading

I cannot insert a CD or DVD into my MacBook's slot load SuperDrive
How to insert a CD/DVD into a troublesome superdrive in your MacBook... continue reading

HISTORY shell variable management in Unix/Linux
HISTORY shell variable management in Unix/Linux.... continue reading

Convert docx to doc in Mac OS X Snow Leopard or Leopard
Convert docx to doc in Mac OS X Snow Leopard or Leopard... continue reading

How to eject CD/DVD from your MacBook or iMac
How to eject CD/DVD from your MacBook or iMac. drutils, diskutil, drag-drop to trash can... continue reading