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 run 20 …Read More
How to maintain a “clean” Ubuntu
Ubuntu is (unfortunately) the most popular GNU/Linux distribution (I still prefer Fedora), as it has been the easiest to use for many years now, making it an obvious choice for every newcomer. As most new users don’t know if and how they are supposed to …Read More
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, we …Read More
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 past few …Read More
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 to provision …Read More
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 is …Read More
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 the …Read More
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.
/A/ First Response
A/1 Initial Steps
A/2 If MySQL is Crashing
/B/ Identifying the Problem
B/1 Examining the Logs
B/1.1 Page Corruption
B/1.2 …Read More
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 I saw …Read More
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 the …Read More
How to Recover InnoDB MySQL Table Data from ibdata and .frm Files
This tutorial explains how to restore MySQL tables when all or some of the tables are lost, or when MySQL fails to load table data.
One of the reason for this to happen is when the table data is corrupted.
In …Read More
Linux RAID Mdadm Cheat Sheet
Mdadm is the modern tool most Linux distributions use these days to manage software RAID arrays; in the past raidtools was the tool we have used for this. This cheat sheet will show the most common usages of mdadm to manage software raid arrays; it assumes you …Read More