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 LINUX/UNIX


  Is Ubuntu becoming a big name in enterprise Linux servers?

Summary: Mark Shuttleworth says yes, Ubuntu is now competitive with Red Hat Enterprise Linux in the enterprise space. Since last summer, Ubuntu has been more popular than Red Hat as a Web server.When you think of Ubuntu Linux, what do you think of? I would guess you think about the Linux desktop. While Ubuntu is certainly a big player—maybe the biggest—when it comes to the Linux desktop, Mark Shuttleworth, founder of Canonical, the company behind Ubuntu wants you to know that “A remarkable thing happened this year: companies started ...

52,962 0       UBUNTU LINUX SERVER DAAT CENTER


  Microsoft is the 17th largest contributor to Linux

The Linux Foundation has released 2012 Linux White Paper which analyzes developers and contributors of the Linux kernel from 2.6.36 to 3.2.The top ten contributors are: Red Hat, Intel, Novell, IBM, Texas Instruments, Broadcom, Nokia, Samsung, Oracle, and Google. The software giant Microsoft's contribution ranked at 17, while the company's CEO Steve Ballmer has claimed previously that Linux is a cancer. Microsoft engineers have contributed 688 patches, which are mostly related to Hyper-V virtual machine technology. The top 10 developers from Microsoft are: Thomas Gleixner, Joe Perches, Chr...

5,255 0       MICROSOFT LINUX CONTRIBUTION


  Linux Command Line tips that every Linux user should know t

Below is the collection of Linux command line tips which I’ve found useful for Linux users. To get more information about the command mentioned below just open your terminal and type man <command>.Things a Linux user must learnLearn bash: No need to refer a lengthy bash guide or something else. Just read the complete man page of bash (man bash).Learn vim: You might be using Emacs or Eclipse for your work all the time but nothing can compete vim.Learn ssh: Learn the basics of passwordless authentication.Learn basics of bash job management: Using &, Ctrl-C, fg, bg, Ctrl-Z, jobs,...

9,037 0       TIPS COMMAND LINE LINUX UNIX


  Writing robust shellling scripts

Many people hack together shell scripts quickly to do simple tasks, but these soon take on a life of their own. Unfortunately shell scripts are full of subtle effects which result in scripts failing in unusual ways. It's possible to write scripts which minimise these problems. In this article, I explain several techniques for writing robust bash scripts. Use set -u How often have you written a script that broke because a variable wasn't set? I know I have, many ti...

2,228 0       SET ROBUST SHELL SCRIPT COMMANDS


  Bash Shell Scripting - 10 Seconds Guide

This Bash shell scripting guide is not a detailed study but a quick reference to the BASH syntax. So lets begin...Common environment variablesPATH - Sets the search path for any executable command. Similar to the PATH variable in MSDOS.HOME - Home directory of the user.MAIL - Contains the path to the location where mail addressed to the user is stored. IFS - Contains a string of characters which are used as word seperators in the command line. The string normally consists of the space, tab and the newline characters. To see them you will have to do an octal dump as follows:$ echo $IFS | od -b...

3,737 0       TUTORIAL LINUX SHELL BASH 10 SECONDS SHORTCUT KEY


  Why I Still Use Emacs

At school, I’m known as the Emacs guy; when people have questionsabout configuring Emacs or making it work a certain way, they oftencome and ask me. Sometimes, some people ask me why use Emacs at all?Isn’t it a really old editor and aren’t Eclipse or Visual Studio muchbetter? I mean, they don’t have weird key bindings and haveintellisense, that’s surely better for a programmer, right?I will attempt in this post to explain some of the reasons why I stillcling to Emacs. Believe me, I don’t think I have any emotionalattachment to Emacs; the reason I canno...

4,859 1       LINUX ADVANTAGE IDE EDITOR EMACS


  Networking Terminologies

Portmapssudo apt-get install -y portmapPortmap is a part of ONC RPC (Open Network Computing Remote Procedure) collection of software for implementing remote procedure calls between Computer Programs. It is widely used by NFS (Network File System) and NIS. Portmap is a server that converts RPC program number to DARPA protocol port number. It must be used in order to make RPC calls.Network Infomation Service (NIS)sudo apt-get install -y nisNIS is a client server directory service provider for distributing system configuration data as user and host name between computers on comptuer network. SUN ...

3,084 0       LINUX NETWORK PROGRAMMING NETWORK FILE SYSTEM


  New Linux kernel fixes power-saving issues

Greg Kroah-Hartman has released long-term kernel 3.0.20 and stable kernel 3.2.5. Both contain just a single bug fix that allows PCIe power-saving technology ASPM (Active State Power Management) to be used on systems with a BIOS that activates ASPM on some components, but states in the FADT (Fixed ACPI Description Table) consulted by Linux that ASPM is not supported. According to Matthew Garrett, who developed the patch, the change can reduce the power consumption of a Thinkpad X220 by 5 watts. The H's associates at c't magazine in Germany tested systems in their laboratory and experienced...

7,977 0       LINUX KERNEL POWER SAVING FIX