VM Snapshot a method to create a copy of Virtual Machine (VM) at specific point of time and in other words in we can say […]
Create and Restore VM Snapshot in VirtualBox on Ubuntu Linux Read More »
To Launch an instance from OpenStack Horizon dashboard, first we need to finish following steps : Create a Project and add a member to the
How to Launch an Instance from OpenStack Horizon Dashboard Read More »
OpenStack is a Cloud Software that manage large pool of compute (hypervisors), storage ( block & swift ) and network resources of a data center.
How to Install Single Node OpenStack on CentOS 7 Read More »
iRedMail is out of the box open source mail server solution on Linux like operating system. The beauty of iRedMail is that it provides web
How to Install iRedMail (Mail Server) on CentOS 7 / RHEL 7 Read More »
Roundcube is a web browser based mail client & also known as webmail. It provides a GUI ( Graphical User Interface ) where end users
Install latest version of Roundcube (Webmail) on CentOS 7 Read More »
OpenDKIM is method to digitally sign & verify emails on the mail servers using public & private keys. In other words opendkim implements the DKIM
Configure DomainKeys (OpenDKIM) with Postfix on CentOS 7 Read More »
Recently i got the task to implement following password policies on SLES (SUSE Linux Enterprise Server) 11.x Minimum password length should be 10 characters Password
Set Password Policies in SLES (SUSE Linux Enterprise Server) Read More »
In this guide, we will discuss how to generate CPU, memory and I/O report using sar command in linux. SAR stands for System Activity Report,
Generate CPU, Memory and I/O Report using SAR command Read More »
Fedora 23 Cloud images are available for download. In this post will use fedora 23 cloud image and will launch it from dashboard(Horizon). I am
Use Fedora 23 Cloud image in Red Hat OpenStack Read More »
OpenSUSE Leap 42.1 has been released on 4th Nov 2015. It is build from source code of SLE (SUSE Linux Enterprise) and can be installed
Install OpenSUSE Leap 42.1 Step by Step Read More »
