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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
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
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,
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 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 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 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 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
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
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