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 [...]
Ramesh Natarajan
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. [...]
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 [...]
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 [...]
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 [...]
In this article, let us review how to use Unix tac command, rev command, paste command, and join command with practical examples. 1. tac command – Print file in reverse (last line first) The word tac is reverse of the word cat. The tac command functionality is also reverse of the cat command. cat command [...]
Question: I like Vi style of editing and I’m very comfortable with Vi commands. How do i use Vi style line editing in Unix command line? Answer: Execute set -o vi at your Unix shell to enable Vi style editing. Enable Vi Style Editing in BASH $ set -o vi By default the command line [...]
Debian based systems (including Ubuntu) uses apt-* commands for managing packages from the command line. In this article, using Apache 2 installation as an example, let us review how to use apt-* commands to view, install, remove, or upgrade packages. 1. apt-cache search: Search Repository Using Package Name If you are installing Apache 2, you [...]