Being a Cloud administrator, resizing or changing resources of an instance or virtual machine is one of the most common tasks. In Openstack environment, there are some scenarios where cloud user has spin a...
Devstack is a collection of scripts which deploy the latest version of openstack environment on virtual machine, personal laptop or a desktop. As the name suggests it is used for development environment and can...
SOS is a tool which is used to collect all the system configuration, logs and diagnostic information and archive it into a single file. Sosreport is generally required for technical support engineers and developers...
In our previous article we have already discussed about FreeIPA and its installation steps on CentOS 7 Server, in this article we will discuss how an Ubuntu 18.04 and CentOS 7 machine can be...
FreeIPA is a free and open source identity management tool, it is the upstream project for Red Hat identity manager. Using FreeIPA tool, we can easily manage centralized authentication along with account management, policy...
VirtualBox is a free and open source Virtualization tool that allows to run multiple virtual machines at same time on your Linux and Windows desktop or laptop. VirtualBox is generally used at desktop level...
Mail Server is one of the important and critical Server for any organization as most of business communication done via emails only. In Open source world there are couple of free email server but...
Booting a Linux Server into a single user mode or rescue mode is one of the important troubleshooting that a Linux admin usually follow while recovering the server from critical conditions. In Ubuntu 18.04...
Nginx is a free and open source web server, it can also be used as reverse proxy, HTTP load balancer, HTTP Cache and mail proxy. Nginx is available for all the Unix like operating...
tcpdump is a well known command line packet analyzer tool. Using tcpdump command we can capture the live TCP/IP packets and these packets can also be saved to a file. Later on these captured...
