Using ABRT on CentOS/RHEL 7

ABRT (Automatic Bug Reporting Tool), is a set of tools that detects and analyze application crashes. ABRT currently supports the detection of crashes in applications written in the C, C++, Java, Python, and Ruby programming languages, as well as X.Org crashes, […]


Foreman – PXE Bare Metal & Virtual Machine Provisioning

Foreman is an open source package that provisions bare metal and virtual machine instances in public and private clouds. For provisioning, Foreman is able to do PXE-less and PXE installations of Bare Metal & VM servers. When doing PXE-less provisioning the bootdisk or discovery plugins […]


Foreman – Install and Configure on CentOS / RHEL 7.x

Foreman is an open source package that provisions bare metal and virtual machine instances in public and private clouds. After servers are provisioned, Foreman is able to configure servers using Puppet. Chef, Salt, Ansible, and Bash are also supported. Puppet is the default configuration tool installed with the Foreman server. For […]


Foreman – PXEless Bare Metal & Virtual Machine Provisioning

Foreman is an open source package that provisions bare metal and virtual machine in public and private clouds. For provisioning, Foreman is able to do PXE-less and PXE installations of Bare Metal & VM servers. When doing PXE-less provisioning the bootdisk or discovery plugins are […]


Creating a Local Yum Repository Using an ISO Image

Copy an ISO image to the Yum server # cp /CentOS/7.4.iso /ISOs/. Create a mount point for the new ISO # mkdir -p /mnt/CentOS/7.4 # mount -o loop,ro /ISOs/7.4.iso /mnt/CentOS/7.4 Create an entry in /etc/fstab /ISOs/7.4.iso /mnt/CentOS/7.4 iso9660 loop,ro 0 0 […]


Measuring UI performance with Open Source tools

Data from Google Analytics shows that 50% of visitors abandon a site when web pages require longer than 5 seconds to load. This information stresses the importance of web application that performs and scales. To ensure good performance at expected […]


PowerPoint presentations in a sizable window .vs full screen

PowerPoint presentations are by default displayed full screen. To display a PowerPoint presentation in a resizable window, adjust the slideshow settings. From the ribbon (or menu bar in earlier versions) select “Slide Show”, then select “Set Up Slide Show”. In the “Set […]