Install Desktop on CentOS 7

A few days back we have installed the CentOS 7 on our system from bootable USB key. We installed CentOS 7 without GUI (Graphical User Interface). Now in this post, we will show how to install Desktop on CentOS 7. As a linux user , you should be aware that in Linux World we have […]

Create bootable usb key for CentOS 7 installation

In this tutorial we will learn, how to create bootable usb key for CenOS 7 installation. Currently many laptops/systems are available in market which are without CD/DVD drive.In a short words, technology is changing very fast. First download the CentOS 7 iso file from CentOS official website. And save it in your system. To make […]

Exam Tips : AWS Certified Solutions Architect – Associate

On January-2016, I have passed the “AWS Certified Solutions Architect – Associate” exam. I have been working in AWS Cloud Computing since more than 4 years. Currently, in market there is high demand of AWS Cloud Professional. Being certified in AWS exams give extra edge in your professional career. Now after doing RHCE , I […]

Protect from SSL Drown Attack in AWS ELB, Apache and Nginx

DROWN, stands for Decrypting RSA using Obsolete and Weakened eNcryption and is a Man-in-the-Middle (MITM) attack against servers running TLS for secure communications. On 1-March-2016, academic researcher uncover the DROWN vulnerability. The SSL DROWN vulnerability has received the CVE identifier number as cve-2016-0800. For more detail, you can also read OpenSSL security advisory for DROWN. […]

How to install MySQL Server 5.7 on Ubuntu 14.04 LTS

In this guide we will learn, how to install MySQL Server 5.7 on Ubuntu 14.04 LTS. We always recommend our readers to read release notes of every mysql. If you are specifically looking for MySQL Server 5.6 server installation , you can read our previous post. Our Environment Operating System : Ubuntu 14.04 LTS Arch: […]

Upgrade Ubuntu 14.04 LTS to Ubuntu 14.04.3 LTS

In this quick post, we will upgrade Ubuntu 14.04 LTS to Ubuntu 14.04.3 LTS. Keeping the system updated is always a good practice. Currently even in linux we have found may serious vulnerabilities like ShellShock,Heartbleed etc. We should keep all our applications up to date. Specially the apps which you often use to connect with […]

setfacl: Option -m: Invalid argument near character 3

When you work with lots of server and setting permission with setfacl command, you may encounter with this error – “setfacl: Option -m: Invalid argument near character 3”. Are you thinking !? what happen here when the same command is working in other servers. Read the error carefully, it is telling ‘Invalid Argument’ means something […]

Install OpenXenManager on Ubuntu 14.04 LTS

Learn how to install OpenXenManager on Ubuntu 14.04 LTS Desktop. After finishing the installation of XenServer, you may be searching how to install xencenter on linux. To connect to XenServer from client machine, we need XenCenter client. Till writing of this post, Citrix team has not introduced XenCenter for linux. Thanks to Open Source world, […]

Upgrade firefox on Ubuntu 14.04 LTS Desktop

In this post, we will explain how to install / upgrade firefox on Ubuntu 14.04 LTS Desktop. After installation of Ubuntu 14.04 LTS in my laptop, we upgraded the firefox to version 29. Now at the time of writing this post, firefox stable verion 43 is available. There is no change in command line, as […]