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Recent blog posts
10
Nov
Posted by on in Linux Network Performance

NetPerf and LXC ( Linux Container ) and enabling bridging for Network Performance Testing on Linux

bw3
1. Install RedHat 7 

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08
Jul
Posted by on in Identify Linux Hardware

Multi-core processor architecture becomes increasingly popular nowadays. This trend is accelerated by the need for supporting multi-tenant hardware virtualization, high-performance computing applications, and Internet-scale workloads in data centers. As a server administrator and cloud architect, you must be aware of the CPU processor architecture of servers, so that server applications can take full advantage of underlying hardware capability.

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04
Oct
Posted by on in Identify Linux Hardware
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20
May

Installing and Configuring Replica Set on MongoDB

Posted by on in Database Management
2e1ax Timeless Frontpage Mongodb Replications

MongoDB is an open-source document database that provides high performance, high availability, and automatic scaling.

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20
May

Installing Masterless Puppet Environment Server Management Made Easy on Debian and Ubuntu

Posted by on in Managing Linux Systems
2e1ax Timeless Frontpage Simple Puppet Networkedited

Introduction

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20
May

Managing Multiple SSH Sessions Using ClusterSSH and PAC

Posted by on in Security and Authentication
2e1ax Timeless Frontpage Ssh Openssh Terminal Security

SSH stands for Secure Shell (sometimes known as Secure Socket Shell), is a Cryptographic Protocol that can be used to access remote server and VPS from your local systems. We don’t have to be near to the physical machine to perform commands in the remote system’s Terminal. As it name says, SSH is completely secure and It encrypts all traffic between remote and local systems. SSH is actually a suite of three utilities namely slogin, ssh, and scp. These three utilities are the secure replacement of the earlier UNIX utilities namely rlogin, rsh, and rcp. SSH will help you to get the virtual Terminal environment of the remote systems.

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19
May

Complete Guide for Installing FreeRADIUS On RedHat, Scientific Linux, CentOS, Debian and Ubuntu

Posted by on in Security and Authentication
2e1ax Timeless Frontpage Freeradius Logo

FreeRADIUS is a modular, high performance freeRADIUS suite developed and distributed under the GNU General Public License on its second version. It is a free and open source tool. The FreeRADIUS Suite includes a RADIUS server, a BSD-licensed RADIUS client library, a PAM library, an Apache module, and numerous additional RADIUS related utilities and development libraries

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15
May

Debian 8 - Managing, Updating Debian After a Complete Installation

Posted by on in Managing Linux Systems
2e1ax Timeless Frontpage Debian 8 After Installation Procedures

So after making the installation of Debian Eight, there are some important steps to follow in order to increase the security and usability of your server. First of all we will start by showing you how you can log into your server if it's a remote configured server. You'll need to know your server’s public IP address and of course the password of the root user account.

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29
Apr

Complete Guide Setting up Apache Hadoop 2.6/2.7 on RedHat, CentOS, Fedora, Scientific Linux and Debian Distros

Posted by on in Linux Network Performance
2e1ax Timeless Frontpage Apache Hadoop Used By Yahoo Google Facebook Amazon Ebay

Hadoop is a free, Java-based programming framework that supports the processing of large data sets in a distributed computing environment. It is part of the Apache project sponsored by the Apache Software Foundation.

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28
Apr

How to Rename Linux Interface Properly on RedHat, Scientific Linux, Fedora and CentOS

Posted by on in Managing Linux Systems
2e1ax Timeless Frontpage Redhat Logo
Renaming Linux RedHat interfaces
Another article I've added because I've noticed many issues during the rename of interfaces on different RedHat distros and so limited information on how to resolve the issue when it's such an easy fix.
There is multiple options on renaming interfaces but sometimes ifrename is also a useful tool for renaming the interfaces if editing your /etc/udev/rules.d/70-persistent-net.rules doesn't work after a service or reboot.

# touch /etc/iftab # ifrename -i p1p2 -n eth4

Finding MAC address on all interfaces can be done by:

# ifconfig -a | grep -i hwaddr
If you get an error message like below during ifrename example:

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