GRE Verbal - Preparation

Link: http://vit.110mb.com/gre2/

Monthly GRE verbal questions.

ExamBell

Link: http://www.exambell.com/

Monthly GRE questions.

CrossVC/LinCVS for Debian

Link: http://www.lincvs.org/

CrossVC/LinCVS for Debian

Current packages for Debian are provided by Andreas Fester and available here. Also they are accessible through APT with the following line in /etc/apt/sources.list:
deb http://littletux.homelinux.net/debian unstable main contrib non-free

LinCVS is also available as official Debian package in non free (for Debian unstable) but maybe not up-to-date. You can install it as usual:
$ apt-get install lincvs

Setting Up a Mail Server

Link: http://rimuhosting.com/support/settingupemail.jsp?mta=sendmail&t=public

Mail Quick Start

Want the 5 minute email setup guide? These steps will permit a user 'emailusername' to collect email sent to 'emailusername@yourdomain.com'.

1. Setup DNS with an MX record
2. Enable POP3 on your server
3. adduser -s /sbin/nologin emailusername
4. passwd emailusername
5. Set up your email client

Command to find out ram size on Linux/Unix?

Link: http://findarticles.com/p/articles/mi_zdext/is_200403/ai_ziff122692

Tips used for Top Tips come from the ExtremeTech forum and are written by our community.

Question from ssnkumar "Is there any command in Unix/Linux to find out how much ram is there in my comp?

I know that top gives the ram size also. But, I want a command which gives out only ram size?"

Answer from arb123 "cat /proc/meminfo"

Answer from evers310 "cat /proc/meminfo | grep MemTotal"

Find Out What Linux Kernel Version I am Running?

Link: http://www.newlinuxuser.com/howto-what-kernel-version-am-i-running/

In a terminal window, type:

echo `uname -r`

and press the ENTER key.

Recovering Linux Bootloader After Installing Windows

Link: http://www.linuxforums.org/forum/linux-newbie/9714-recovering-linux-bootloader-after-installing-windows.html

recovering Linux bootloader after installing windows. Discuss recovering Linux bootloader after installing windows, on the Linux Newbie forum of LinuxForums.org, where people come to for Linux help.