FSCK - check and repair a Linux filesystem December 19, 2014 A some point your system will crash and you need to perform a manual repair of your file system. A typical situation would be power...
Centos 7 Rich Rule & Port Forwarding December 11, 2014 Firewalls permit or deny network transmissions based upon a set of rules and are frequently used to protect networks from unauthorized ac...
The Linux Kernel Archives June 18, 2014 The Linux kernel is a Unix-like operating system kernel used by a variety of operating systems based on it, which are usually in t...
Linux passwd File – Explained June 18, 2014 In Linux, a user is identified using a unique identifier called as user id (UID). Each user belongs to at least one group called the user’s...
How to Running two NS2 versions on single OS June 18, 2014 he different versions of NS-2 can be installed on a computer by below given steps: 1. Install one version of NS-2 and create a .bash_...
Permanent Route setting on Linux Server April 27, 2014 Permanent setting route on Linux server please follow the following steps. 1. vi /etc/sysconfig/static-routes #Static rout...
Packet delivery ratio, Packet Lost, End to end delay with Awk Script March 20, 2014 If you evaluate performance of protocol in ns2, first you have define the evoluation criteria Packet delivery ratio : the ratio of t...
How to open root login from GUI in fedora 12 March 04, 2014 In Fedora 12 you cannot login as a root from GUI. By Default, only Normal users are allowed to login from gui mode. I Managed to Login as ...
ns 2.35 fedora 16 March 03, 2014 Step 1: NS is a event simulator, which can be used primarily for networking research. It provides support for simulation of TCP, rou...
ls - Command February 27, 2014 Listing files and directories ls (list) When you first login, your current working directory is your homedirectory. Your home direct...
chkconfig services February 26, 2014 Four parameter of services Install start Enable Test root> service servicename start/stop service sshd status Check no of se...
Repositories February 26, 2014 Installing software in Linux is different from Windows in that it is done via repositories. It can help to think of package managers as the...
Installation step of vsftpd in Linux February 26, 2014 FTP: one of the most common means of copying file between server over the internet. VSFTPD: Allows linux u...
NS 2.34 Installation Step of Fedora 12 February 25, 2014 Step 1: Download ns-allinone-2.34.tar.gz from the following link http://sourceforge.net/project/showfiles.php?group_id=149743&packa...