About Avast Home Edition for Linux -Antivirus for Linux Operating System......

avast! Home Edition for linux provide an antivirus solution for the highly deployed Linux OS. This antivirus purely developed for home base users it is not commercial software.Avast is light weight and provide strict protection against dangerous threats like malware, spyware, virus..etc.
Download Avast antivirus for Debian 32 bit Click Here

Download Avast antivirus for CentOs 32 bit .rpm Click Here

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Linux Basic Commands Chart thats frequently use by Administrator

Install Ubuntu Package from source code easy solution try it now

Make sure you have all the necessary development tools (i.e. libraries, compilers, headers):

sudo apt-get install build-essential
sudo apt-get install linux-headers-`uname -r`

Note: "uname -r" lists the current kernel you are using

Extract the archive that contains the source files: tar xvf sourcefilesarchive.tar.gz

Build the package using the package's script (in this case the configure script), compile the package (make), and install the compiled package into your system (make install):

cd /path/to/extracted/sourcefiles
sudo make
sudo make install

If you get a "permission denied" error when trying to execute the binary, this means that the file is not marked as being executable. To fix this: sudo chmod +x filename
Source : Linux Poision 

Fedora 15 Desktop

Do you experience Fedora 15 till now.What you want more in your Desktop.Fedora 15 and the Desktop : Is it Ready? Linux legend saying that  "The Linux desktop is getting very exciting lately. Fedora 15 brings its share of excitement with a stable release of GNOME 3 and GNOME Shell, not to mention a lot of changes under the hood. Should you jump onboard? Maybe. Let's dive in and see what changes Fedora 15 brings on the desktop".{ more }

Creating Desktop shortcuts using command line in Linux

I concerned with linux from last 6-7 years, in my early years of linux i am
going through Redhat Linux , Fedora,Redhat Linux 4-5.Now at this time
I am using latest Ubuntu 10.10,It is very user friendly,if you have a internet
connection with your pc or laptop.Enjoy  It easily and good support.

Quick and easy way to creating command line shortcuts using KDE 4.2

Follow the Procedure:
/usr/share/applications/  and /usr/share/applications/kde 4 contains all shortcut files(*.Desktop).Just copy whatever you want to ~/Desktop.Thats it.

For more information regarding core linux and linux kernal please visit Linux Hacks,may be it is helpful to you.

Task /to do/ skill required for linux system administrator.

person responcible for configuring, managing, system is called system administrator.
            Task for linux system administrator  :
           (1) Installing supporting and maintaining server.
           (2) User  and group administration
           (3) Maintaining system.
           (4) Verifying that peripherals are working properly or not.
           (5) Creating and managing file systems,user,groups etc.
           (6) System and data backup,system restore.
           (7) Updating and upgrading task related to os and other application.
           setup security and more........about.....at...

           nixcraft-inside into linux admin work   by Mr. vivek gite. 

RH--033--Red Hat Linux Essentials--Content to study

(1) Basic commands.
(2) Editing files and changing their attributes and rights.
(3) Understanding the linux file system.
(4) Navigating the file system.
(5) Common maintanance task.
(6) Introduction to linux shell and using it.
(7) Essential Linux commands from the command line.
(8) Using graphical and text base configuration tools.
(9) Performing common task using Linux GUI,vi editor.
(10)Manage networking and printing using configuration tools.
(11)Launch application from command line and GUI interface.
(12)Listing terminating and scheduling the processes.
(13)Customize X windows system.
(14)Configuring the Besh shell and customizing it.
(15)Reguler expression pattern matching and I/O redirection.
(16)Partitions and achieving tools.
(17)Copy files to and from a floppy disk.
(18)Install , upgrade , delete and quirey pacages in your system.
(19)Network common utilities.

RH--133--Red Hat Linux Administration--Content to study

(1)  Installation of Red Hat Linux.
(2)  Installing and uninstalling Hardware and Software.
(3)  Understanding Linux kernel and File system and their management.
(4)  Linux server and client.
(5)  Network protocol.
(6)  Managing Users and Groups.
(7)  Hardware installation,accessing,exploring,management,how to assign rights to each user.
(8)  Creating modifying and deleting user and group account.
(9)  Managing password policies.
(10) NIS DNS and DHCP services and their configuration.
(11) Mount and unmount file system.
(12) Creating and resizing the logical volumes.
(13) Restore,backup,tape and tar archive.
(14) IPv4 configuration.
(15) IPv6 configuration.
(16) Recovery tools and utilities.
(17) Installing,updating,removing softwares with RPM.
(18) X windows system cofiguration.
(19) GNOME environment cofiguration.
(20) Basic troubleshooting.

Free download-RedHat Fedora Linux—open source -Fedora - 14.

First of all, What is Fedora—Fedora is the free version of Redhat  Linux
developed  continuously  by  fedora  community .It is Redhat sponsered 
open  source  project . It   focuses  on  latest  open  source  technology.(1) Rapid four to six month release cycle .(2) Available as free download from the internet.
Fedora is the fast ,stable and powerful operating system.
Built by a worldwide community of friends,continuously updated,
free to use ,study and share ,690MB   1CD ROM disk image for
32 bit pcs.Advancing software and content freedom is the key 
goal of fedora project.The feature of linux is built into fedora.
Plug your printer in ,and fedora -14 automatically install proper 
driver-so very easy to use.The fedora design suite was constructed
for designers  by designers.The feature of tools which fedora team
uses daily basis to create wallpapers,icons and interfaces you see
in fedora.The worldwide community of friends.
         400  Mhz  pentium  pro  or  better  processor (comparable  AMD ,
         Cyrix ,  and  VIA  processors also  acceptable).At least 512MB
         memory (RAM),1GB recommended for best performance .10 GB
         disk space / storage.

         Fedora  is  100%   free   and   consist  of free and opensource software.
         Thousands  of   application  for   you . Virus and  spyware free-fedora is
         linux  based  and secure .Supported  by   worldwide community there is
         local  website for  you . Fedora is  the Foundation for Redhat  Enterprise
        Linux, a powerful enterprise  OS .Beautiful wallpapers and themes for free.
         Totem  video player 
         Rhythmbox  Music  and  Podcast  Plyer 
         Sound Recorder 
         Sound  Juicer  CD  Ripper 
         CD/DVD  Creater 
         Cheese Photobooth 
         Shotwell  Photo Manager   and many   more........................

I have ubuntu linux 10.10, I installed skype software in it, I can not able to run webcam ,help me

you can easily solbe this problem. I had the same
problem and solved.First of all close all aplication
in your ubuntu linux. Then after at the top of
the desktop you can see Application menu ,now
open the menu, then after open Accessories , and
after that open the Terminal . Now the terminal
window is open . Just copy and paste the code
and press Enter key . Skype window is open .
Now log in to skype and your problem is solved.

Application > Accessories > Terminal

copy and pase code in the terminal window
export XLIB_SKIP_ARGB_VISUALS=1 && LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so /usr/bin/skype

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RH--253--Red Hat Linux Security and Network Administraton--Content to study

  • Networking services.
  • Security administration
  • Password security Kernel security.
  • Basic elements of firewall.
  • Security sources and methods.
  • Method Of Fault Analysis
  • Services And Application Access Controls
  • Security Enhanced Linux (SELinux)
  • Securing Networks Using Digital Certificates
  • Static And Dynamic IPv6 Configuration
  • Account Management
  • IPv6 Routing Configuration
  • Securing Linux Network Using Netfilter
  • Connection Tracking
  • Public Key Encryption
  • Utilities And Authentication
  • Network Address Translation
  • Configure DNS, DNS And DHCP
    Local Security Files and filesystem security.
  • Configure File Transfer Protocol (FTP) And
  • Network File Service (NFS)
  • Configure The Firewall
  • Configure Samba Services
  • Server-side setup, configuration, and basic administration of common newtworking services: DNS,
    NIS, Apache, SMB, DHCP, Send mail, FTP, proxy etc.
  • Apache Web Server Overview
  • Apache Server Configuration
  • Configuring Virtual Hosts
  • Apache Encrypted Web Server
  • Developing a Security Policy.
  • Configure Sendmail And Use Sendmail To Send
  • And Receive Emails
    and more.....................


Linux is the open source opetating systems. Linux is the Unix-like
operating system.It using Linux Kernel. Linux is the leading server
operating system.In early days Linux supports only command line interface
but now a days it developes very beautiful graphical interface.
you can get ubuntu linux cd free from http://www.shipit.ubuntu.com
Red hat is the most populer at server level in corporat sector.It's main advantage is it s security.More populer graphical linux environment are gnome and Kde.It supports
wide varity of languages.Wine application supports windows application
run on Linux.For installing updating and removing software is made easy
by synaptic package manager. Most of the web server use Linux operating system.Linux have LAMP server software combination  such as apache,mysql,perl/php/python.These are more populer among developers and are one of the common platform for website
hosting.In decemper 2009, computer giant IBM reported that it would sell  mainframe-based enterprise linux server.So,Linux is widely used in
mainframe and supercomputers.