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Hide a Div in AngularJS Without Using NG-SHOW

I read somewhere that with ng-show comes performance issues when rendering a page so to combat that i realized i could use $element dependency...

How To Install Kamailio SIP Proxy Server From Source In CentOS...

I had earlier written a tutorial on How to install Kamailio in CentOS 7 from repo. The link to the article is below: How to...

How to Create and Configure Bridge Networking For KVM in Linux

This is a how to Create and Configure Bridge Networking For KVM in Linux -  RHEL, CentOS 7.x, CentOS 6.x, Ubuntu 16.04, Ubuntu 14.04,...

How To Clone and Use KVM Virtual Machine in Linux

The most important and most used feature in world of Virtualization is the ability to clone a VM,take snapshot of the current state of...

Openstack Error Qemu-img: Could not open ‘/var/lib/libvirt/images/’ Permission Denied

Have you ever receive error message like below while working with Openstack and KVM?. If so, a fix is given here. Command: env LC_ALL=C LANG=C...

Openstack Liberty NoFloatingIpInterface: Interface eno16777736 Not Found.

Lately, i have been trying to deploy a single node openstack infrastructure on a centos OS host running on bare metal partition of my...

How To Create and Use Local CentOS 7 YUM Repository Easily

As a Linux System Admin, It's alwasy an obligation to install sofware packages on a server.However, it's not always compulsary to install packages from...

How to install latest VirtualBox and Extension Pack in Arch...

This is a guide on How to install latest VirtualBox,VirtualBox Guest Additions and  Extension Pack on Arch Linux.Arch Linux is one of the most...

CALL TRANSFER AND FORWARDING IN ASTERISK CONFIGURATION

Asterisk is a very powerful media server for call routing and with great design and configuration can be used sustainably in a company,institution or...

CORS HEADER ‘ACCESS-CONTROL-ALLOW-ORIGIN’ MISSING IN SLIM/ANGULARJS STACK

I have been tinkering with angularJS in production mode and got this annoying error,that got me stuck for days at the expense of my...