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If you want to setup IPv6 tunnel under Ubuntu you need to use tspc (tunnel setup protocol client) so you can browse IPv6 ready websites using IPv4.

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atftp is Multi-threaded TFTP server implementing all options (option extension and multicast) as specified in RFC1350, RFC2090, RFC2347, RFC2348 and RFC2349. Atftpd also supports multicast protocol known as mtftp, defined in the PXE specification. The server supports being started from inetd as well as in daemon mode using init scripts.

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gDesklets is a system for bringing mini programs (desklets), such as weather forecasts, news tickers, system information displays, or music player controls, onto your desktop, where they are sitting there in a symbiotic relationship of eye candy and usefulness. The possibilities are really endless and they are always
there to serve you whenever you need them, just one key-press away. The system is not restricted to one desktop environment, but currently works on most of the modern Unix desktops (including GNOME, KDE, Xfce).

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Zattoo has developed a software program that allows you to watch TV on your computer. All you need is a broadband connection and a current operating system (Windows XP or Vista, Mac OS X, or Linux). The service is legal and free of charge.

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We have already dicussed how to install and configure postfix now we will learn about How to add a Disclaimer To Outgoing Emails in Postfix using altermime.

alterMIME is a small program which is used to alter your mime-encoded mailpacks as typically received by Inflex, Xamime and AMaViS.

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Tired of watching screens full of hardware releated info scrolling past during Startup and shutdown.

Welcome to the world of Splash Screen, Screenshots Here

In earlier stage bootsplash screen was configured throught a lot of kernel hacking and using it has a hell lot of hardwork including recompilling of kernel.

But the newest form SPLASHY in a userspace implementation of kernel so that it provides all the necessary features right at userspace.

In debian installing splashy is just a matter of few commands

1) IF you don’t have unstable repo’s in your source list then follow it otherwise skip to step 3

echo "deb http://http.us.debian.org/debian unstable main contrib non-free" >> /etc/apt/sources.list
echo “deb-src http://http.us.debian.org/debian unstable main contrib non-free” >> /etc/apt/sources.list

2) then apt-get update

3) last apt-get install splashy splashy-themes

After this what you need to is just one thing

open your menu.lst (/boot/grub/menu.lst)
and in the line with kernel value add these words at the end of that line

"vga=791 splash quiet"

Ex : - kernel /boot/vmlinuz ro root=/dev/hda8 ro vga=791 splash quiet

4)THIS STEP IS OPTIONAL
To run Splashy from initramfs you need to create a new initramfs image. An initramfs image is a little system that is

launched during the kernel’s initalization, before the system starts.

During Splashy’s installation Splashy sets everything up so you can get it integrated into initramfs whenever you wish by

just running a single command.

But first you must edit /etc/default/splashy and set ENABLE_INITRAMFS=1 so that Splashy will integrate itself into future initramfs images.

update-initramfs -u -t -k `uname -r`

then reboot and you will have a slashy desktop

ADVANCE SETTINGS

All the themes are by defaults installed in /etc/splashy/themes

configuration for splashy is in/etc/splashy/config.xml

and configuration for respective themes is available in /etc/splash/themes/ in XML file format

some of the configuration’s that can be done include changing the colour theme as well as the progress bar size color

direction and image shown.

TO CHANGE THEME

Once the theme is installed, just run splashy_config -s where name is the name of the theme

To get the complete list of all the splashy themes installed just type in

splashy_config --info


I hope this article will help you all.

Original Source HERE

monit is a utility for managing and monitoring, processes, files, directories and devices on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.

Monit Features

* Daemon mode - poll programs at a specified interval
* Monitoring modes - active, passive or manual
* Start, stop and restart of programs
* Group and manage groups of programs
* Process dependency definition
* Logging to syslog or own logfile
* Configuration - comprehensive controlfile
* Runtime and TCP/IP port checking (tcp and udp)
* SSL support for port checking
* Unix domain socket checking
* Process status and process timeout
* Process cpu usage
* Process memory usage
* Process zombie check
* Check the systems load average
* Check a file or directory timestamp
* Alert, stop or restart a process based on its characteristics
* MD5 checksum for programs started and stopped by monit
* Alert notification for program timeout, restart, checksum, stop resource and timestamp error
* Flexible and customizable email alert messages
* Protocol verification. HTTP, FTP, SMTP, POP, IMAP, NNTP, SSH, DWP,LDAPv2 and LDAPv3
* An http interface with optional SSL support to make monit accessible from a webbrowser

Install Monit in Debian

#apt-get install monit

This will complete the installation with all the required software.

Configuring Monit

Default configuration file located at /etc/monit/monitrc you need to edit this file to configure your options

Sample Configuration file as follows and uncomment all the following options

## Start monit in background (run as daemon) and check the services at 2-minute
## intervals.
#
set daemon 120

## Set syslog logging with the ‘daemon’ facility. If the FACILITY option is
## omited, monit will use ‘user’ facility by default. You can specify the
## path to the file for monit native logging.
#
set logfile syslog facility log_daemon

## Set list of mailservers for alert delivery. Multiple servers may be
## specified using comma separator. By default monit uses port 25 - it is
## possible to override it with the PORT option.
#
set mailserver localhost # primary mailserver

## Monit by default uses the following alert mail format:

From: monit@$HOST # sender
Subject: monit alert — $EVENT $SERVICE # subject

$EVENT Service $SERVICE

Date: $DATE
Action: $ACTION
Host: $HOST # body
Description: $DESCRIPTION

Your faithful,
monit

## You can override the alert message format or its parts such as subject
## or sender using the MAIL-FORMAT statement. Macros such as $DATE, etc.
## are expanded on runtime. For example to override the sender:
#
set mail-format { from: monit@monitorserver.com }

## Monit has an embedded webserver, which can be used to view the
## configuration, actual services parameters or manage the services using the
## web interface.
#
set httpd port 2812 and
use address localhost # only accept connection from localhost
allow localhost # allow localhost to connect to the server and
allow 172.29.5.0/255.255.255.0
allow admin:monit # require user ‘admin’ with password ‘monit’

# Monitoring the apache2 web services.
# It will check process apache2 with given pid file.
# If process name or pidfile path is wrong then monit will
# give the error of failed. tough apache2 is running.
check process apache2 with pidfile /var/run/apache2.pid

#Below is actions taken by monit when service got stuck.
start program = “/etc/init.d/apache2 start”
stop program = “/etc/init.d/apache2 stop”
# Admin will notify by mail if below of the condition satisfied.
if cpu is greater than 60% for 2 cycles then alert
if cpu > 80% for 5 cycles then restart
if totalmem > 200.0 MB for 5 cycles then restart
if children > 250 then restart
if loadavg(5min) greater than 10 for 8 cycles then stop
if 3 restarts within 5 cycles then timeout
group server

#Monitoring Mysql Service

check process mysql with pidfile /var/run/mysqld/mysqld.pid
group database
start program = “/etc/init.d/mysql start”
stop program = “/etc/init.d/mysql stop”
if failed host 127.0.0.1 port 3306 then restart
if 5 restarts within 5 cycles then timeout

#Monitoring ssh Service

check process sshd with pidfile /var/run/sshd.pid
start program “/etc/init.d/ssh start”
stop program “/etc/init.d/ssh stop”
if failed port 22 protocol ssh then restart
if 5 restarts within 5 cycles then timeout

You can also include other configuration files via include directives:

include /etc/monit/default.monitrc
include /etc/monit/mysql.monitrc

This is only sample configuration file. The configuration file is pretty self-explaining; if you are unsure about an option, take a look at the monit documentation http://www.tildeslash.com/monit/doc/manual.php

After configuring your monit file you can check the configuration file syntax using the following command

#monit -t

Once you don’t have any syntax errors you need to enable this service by changing the file /etc/default/monit

# You must set this variable to for monit to start
startup=0

to

# You must set this variable to for monit to start
startup=1

Now you need to start the service using the following command

#/etc/init.d/monit start

Monit Web interface

Monit Web interface will run on the port number 2812.If you have any firewall in your network setup you need to enable this port.

Now point your browser to http://yourserverip:2812/ (make sure port 2812 isn’t blocked by your firewall), log in with admin and monit.If you want a secure login you can use https check here

Monitoring Different Services

Here’s some real-world configuration examples for monit. It can be helpful to look at the examples given here to see how a service is running, where it put its pidfile, how to call the start and stop methods for a service, etc. Check here for more examples.