Booting CentOS/ RedHat OS in Single-User Mode (In case you lost Root Password)

Posted by: Shailesh Posted on: May 5, 2012 Comments: 0

You can to boot single-user mode. If the system boots, but does not log in when it has completed booting, you should try single-user mode. If you are using GRUB, use the following steps to boot from single-user mode: If you have a GRUB password configured, type p and enter the password. Select CentOS/RedHat Linux with the version of the kernel that you wish to boot and type e for…

Cloud Computing Benefits and Disadvantages

Posted by: Shailesh Posted on: May 1, 2012 Comments: 0

Benefits Of Cloud Computing: a. You receive secure, managed hosting at very inexpensive costs globally. b. You don’t need to purchase additional hardware for your space requirements if it grows. c. Your server will have offsite backup in case something goes wrong. d. If something does goes wrong, you can get the support of your service providers anytime. e. No need to install anti viruses and additional software. Disadvantages of…

Difference Between GRUB & LILO

Posted by: Shailesh Posted on: April 25, 2012 Comments: 0

Difference Between GRUB & LILO You may have heard about another Linux bootloader called LILO (stands for Linux Loader). Briefly, a boot loader is the first software program that runs when a computer starts. It is responsible for loading and transferring control to the operating system kernel software (such as the Hurd or Linux). The kernel, in turn, initializes the rest of the operating system (e.g. GNU). While a sensible…

10 Commandments of Linux: Essential Tricks for Admins

Posted by: Shailesh Posted on: April 17, 2012 Comments: 0

Easiest way to productive Linux Systems Administrator Theme: Learn these 10 tricks and you’ll be the most powerful Linux systems administrator in the Networking Field…well, maybe not the universe, but you will need these tips to play in the big leagues. Learn about SSH tunnels, VNC, password recovery, console spying, and more. Examples accompany each trick, so you can duplicate them on your own systems. The best systems administrators are…

Cloud Computing

Posted by: Shailesh Posted on: April 11, 2012 Comments: 0

What is Cloud Computing ? Ans:- Cloud computing is the delivery of computing as a service rather than a product, whereby shared resources, software, and information are provided to computers and other devices as a utility (like the electricity grid) over a network (typically called Internet). Everyone is talking about “the cloud.” But what does it mean? Business applications are moving to the cloud. It’s not just a fad—the shift…