Attended Burton (now acquired by Gartner) Catalyst 2010 in San Diego, an excellent forum to get upto speed on what is happening in technology world in terms of standards and trends.

Paradigm shifts:
* Pushing core to the outside
* How SAAS, HIAS, PAAS, have provided capabilities to the industry in terms of scalability. Users pay only what they need. * Stop wasting platform resources by leveraging virtualization
* Chaning views on how Identities should be managed
* Writing applications that are cloud aware and are able to co-exist on a platform

1. To find out the interfaces on your system, type: ifconfig -a
2. Lets assume your interface name is "pcn0"
3. Run "ifconfig pcn0 plumb"
4. Run "ifconfig pcn0 dhcp start" to bring the interface up and get a DHCP address (assuming you have a DHCP server for the subnet your host is on)
5. Create empty files named /etc/hostname.pcn0 and /etc/dhcp.pcn0
6. Reboot: shutdown -i6 -g0 -y

Ubuntu Linux Software update using command line tools
apt-get is the command-line tool for handling packages, updating package and installing patches under Ubuntu Linux. All you have to do is type the following two command to update all installed software to latest version.
Open terminal and type the following two commands: $ sudo apt-get update $ sudo apt-get upgrade Sample output: