I was looking today for a way to set my home Cisco router to push multiple domains in the DHCP search list. I found this very useful post written by Jonathan Perkin: http://www.perkin.org.uk/posts/serving-multiple-dns-search-domains-in-ios-dhcp.html where he explains how we can achieve this by using Cisco’s hex sequence in the search option. He also provides a nice python script that converts the domain ASCII string to hex sequence.
In today’s post I will showw how you can do a basic configuration of a TACACS+ Linux server and how to enable the AAA on the networking device. To start with AAA, stands for Authentication, Authorization and Accounting. The authentication is related to the login process: users and their passwords, authorization describes what each of the users is allowed to do on the device and the accounting part logs what commands the users have issued on the device. All these are implemented as a set of attributes stored in a database that can be located locally on the device or hosted remotely on a TACACS+ or RADIUS server.
In todays post I will present how to install the packages required to run Java web start applications ( .jnlp files) on Ubuntu 12.04. Most of the KVM(keyboard, video and mouse) devices and several networking management software like Brocade Network Advisor use this kind of apps for remote access.
Below is a small tutorial of how you can install grub by chrooting into the the partition you would like to install the bootloader.
The Spanning Tree song performed by Radia Perlman, the inventor of the spanning tree algorithm. It sounds nice :)