Reverting new network interface naming schemes to original in Ubuntu 14.04 Server

Gone are the days, where all network interfaces were called eth<N> in Ubuntu. Starting with Ubuntu 14.04, BIOS-given names are used in the LTS line of the distro.

So, it is possible your NIC isn't called eth0 anymore, but p2p1, or em0. According to biosdevname(1), the scheme for cards sitting in PCI slots is p<slot>p<port> and for embedded NICs, it is em<port>

Allow ssh root login on Ubuntu 14.04 Linux server

By default the root ssh login to Ubuntu 14.04 Linux server is disable. This is a security feature and even though you change the root password the root ssh login will be denied showing message similar to the one below:

$ ssh root@1.1.1.1
root@1.1.1.1's password:
Permission denied, please try again.
root@1.1.1.1's password:
Permission denied, please try again.
root@1.1.1.1's password:
Permission denied (publickey,password).

How to send emails using blat

Blat is a handy Win32 console utility that enables you to send emails via the command line, on Windows machines. This is especially useful within batch scripts.
Given below are some how-to’s on basic uses of blat. Refer the blat syntax page for more options with blat. The commands below have been tested on Windows Server 2003 with blat v2.6.2, unless otherwise stated.
You can download this from
http://sourceforge.net/projects/blat/files/latest/download?source=typ_redirect

HOW-TO 1: Configure the SMTP Relay for blat
The blat utility can perform functions of both an MUA and an MTA. Before using blat, you may configure certain options in the Windows Registry to avoid typing them repeatedly whenever sending emails (using overrides on the command line). An example configuration is given below: