The Geek Stuff

How To Execute Ping Command Only For N number of Packets

Ramesh Natarajan — Fri, 06 Nov 2009 06:03:08 +0000

Question: When I execute ping command from the command line, it keeps sending the packets until I hit CTRL-C to terminate the ping command output. How can I execute ping command only for N number of packets and terminate the output automatically? Answer: Use ping option -c to specify the number of packets. After sending [...]

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Download Vim 101 Hacks eBook. Linux 101 Hacks eBook Password: linux-is-wonderful

Ubuntu Tips: Graphical Monitoring for Processes, Memory, Load Average, and Disk Usage

Ramesh Natarajan — Wed, 04 Nov 2009 06:02:23 +0000

Similar to Windows Task Manager, Ubuntu offers a system monitoring utility that will display running processes, memory usage, file system usage. Apart from monitoring, you can also take several actions from the system monitor user interface — such as killing a running process. In this article, let us review how to put the basic monitoring options [...]

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Download Vim 101 Hacks eBook. Linux 101 Hacks eBook Password: linux-is-wonderful

5 Methods to Get Quick Help on Linux Commands

Ramesh Natarajan — Mon, 02 Nov 2009 06:01:38 +0000

Before heading to Google to get help on a particular Unix command, try the following methods, which will give you a comprehensive help on Unix commands. 1. Using apropos to search man pages Use apropos to search man pages for available Unix commands on a specific functionality. $ apropos -r REGEXofUNIXCOMMAND or Description. About apropos command from the man [...]

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Download Vim 101 Hacks eBook. Linux 101 Hacks eBook Password: linux-is-wonderful

Step-By-Step Guide To Upgrade Ubuntu 9.04 to 9.10 With Screenshots – Jaunty Jackalope To Karmic Koala

SathiyaMoorthy — Sun, 01 Nov 2009 06:23:49 +0000

This guide will help you to upgrade from Ubuntu 9.04 Jaunty Jackalope to 9.10 Karmic Koala. This tutorial has total of 13 steps with appropriate screen shots. Step 1. Check the Ubuntu Version before Upgrade How to check the current version of Ubuntu? You have the following three options: Option 1: Check the /etc/issue file for Ubuntu version. $ [...]

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Download Vim 101 Hacks eBook. Linux 101 Hacks eBook Password: linux-is-wonderful

Ubuntu 9.10 (Karmic Koala) Released – Download Now or Get Free CD

Ramesh Natarajan — Thu, 29 Oct 2009 17:03:20 +0000

Ubuntu is the best Linux desktop distribution, which took the number one spot in our Top 5 Best Linux OS Distributions. Ubuntu 9.10 Karmic Koala stable version is released. You can download it online or order a free CD as explained below. What is new in Ubuntu 9.10? Includes Linux Kernel 2.6.31 Add/Remove in the Application menu is replaced [...]

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Download Vim 101 Hacks eBook. Linux 101 Hacks eBook Password: linux-is-wonderful

How To Execute SSH and SCP in Batch Mode (Only when Passwordless login is enabled)

Ramesh Natarajan — Wed, 28 Oct 2009 06:10:36 +0000

When you have the password-less login enabled, you may be either using SSH to execute command in the batch mode on a remote machine or using SCP to copy files from/to the remote machine. If there are some issues with the password less login, your batch program may end up in a loop or timeout. In [...]

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Download Vim 101 Hacks eBook. Linux 101 Hacks eBook Password: linux-is-wonderful

Unix Sed Tutorial: Advanced Sed Substitution Examples

Sasikala — Mon, 26 Oct 2009 06:01:02 +0000

This article is part of the on-going Unix Sed Tips and Tricks series. In our previous sed articles we learned — sed printing, sed deletion, sed substitute , sed file write, and sed multiple commands. In this article, let us review some interesting workarounds with the “s” substitute command in sed with several practical examples. I. [...]

How To Capture Unix Top Command Output to a File in Readable Format

Ramesh Natarajan — Fri, 23 Oct 2009 06:03:41 +0000

Question: I’m trying to capture the output of the top command into a file. When I execute top > output.txt, the output.txt file contains lot of junk characters. What is the best method to capture the output of the top command into a readable text file? Answer: Use the top command batch mode operation option ( [...]

Smalltalk Hello World Example: How To Write and Execute Smalltalk Program on Linux OS

Ramesh Natarajan — Fri, 23 Oct 2009 06:01:28 +0000

Question: I would like to understand the basics of how to write and execute a small talk program on Linux OS. Can you explain it with a simple example? Answer: In this article, let us review very quickly how to write a basic Hello World SmallTalk program and execute *.st program on Linux or Unix [...]

Get Your Copy of Vim 101 Hacks eBook

Ramesh Natarajan — Wed, 21 Oct 2009 06:02:19 +0000

If you are working on UNIX / Linux environment, you should become comfortable in the Vim editor. If you think the Vim editor is not user friendly, or intuitive to learn quickly and become an expert — you are not alone. This book contains 101 practical examples that will help both newbies and intermediate Vim users to [...]