Category: Tutorials and Howtos

Tutorials

Installing docker with Ubuntu 16.04 LTS, Mint 17 and CentOS 7

Installing docker with Ubuntu 16.04 LTS, Mint 17 and CentOS 7 A brief introduction to virtualization Today we will learn installing docker with Ubuntu, mint and CentOS 7 Linux,  Before the evolution of the concept of virtualization, to run one application one dedicated server was required,  if you wanted to 

Things to do after installing Ubuntu 16.04 LTS

Things to do after installing Ubuntu 16.04 LTS To have a fully functional and smoothly running Ubuntu 16.04 Desktop users need to have some services application running before they start working with this fresh flavor of Ubuntu, although it depends upon nature of services for which system will be utilized,

Considerations When Creating a Secure Cloud Environment

Considerations When Creating a Secure Cloud Environment There is a definite change in the cloud security world. Organizations are deploying more cloud platforms to support an ever-growing user base. Still, the big question revolves around security – and how to protect critical data points. Let’s start here – over the

What is Openstack? A Quick OpenStack Tutorial

What is Openstack? A Quick OpenStack Tutorial OpenStack – History and Introduction OpenStack is a cloud operating system that controls large pools of compute, storage, and networking resources throughout a data center. All of the above components are managed through a dashboard which gives administrators control while empowering their users

Protecting Apache Server From Denial-of-Service Attacks

Protecting Apache Server From Denial-of-Service Attacks Denial-of-Service (DoS) attack is an attempt to make a machine or network resource unavailable to its intended users, such as to temporarily or indefinitely interrupt or suspend services of a host connected to the Internet. A distributed denial-of-service (DDoS) is where the attack source

PHP Sessions in Memcached

PHP Sessions in Memcached The moment a PHP application grows to run on more servers, normally people will see problems caused by PHP sessions. If the application is not persistent you are lucky and don’t care about this, but if not you will quickly see this regardless of how good

MySQL InnoDB Corruption Repair Guide

MySQL InnoDB Corruption Repair Guide This is a basic guide that goes over some of the methods you can use to deal with some of the most common InnoDB corruption issues, from start to finish. SECTIONS /A/ First Response A/1 Initial Steps​ A/2 If MySQL is Crashing ​ /B/ Identifying

Make Samba Go Faster

Make Samba Go Faster After installing a wired gigabit network in my house I tested the performance in the network using shares (Windows – samba installed centos 7). I got around 500-600MBit/sec in read speeds and about 600-700MBit/sec in write speeds. But why ? After looking at the samba configuration file

Fedora Linux – Use dnf Command With A Proxy Server

How do I access and use dnf command with a web proxy server on a Fedora Linux? How do I configure dnf to use a proxy server only? Dnf repositories (“repos”) can be accessed through standard proxy servers such as Squid or any other proxy server. You need to configure