Binbert » Misc

View, Edit, Repair Tool for Outlook auto completion (.nk2) file

Albin Sebastian — Wed, 07 Jul 2010 11:09:19 +0000

The auto completion of Microsoft outlook is working with the help of a file with .NK2 extension. It is an auto generated file according to user activity.

Sometimes you may need to edit the file to remove unwanted contacts from the auto completion list. There are no explorers like address book for this file. There is a small utility called NK2Edit, with the help of NK2Edit software, you can do many operations like view, add, edit, delete, merge, repair, export . NK2Edit is completely free for personal use at your home and for using in any charity/non-profit organization. When you use the NK2Edit utility, you don’t have to worry about locating the NK2 file , because NK2Edit automatically open the default NK2 file for you.

Download : NK2Edit From NirSoft

NK2 file opened in NK2Edit

Add / Edit an NK2 address

File location of Profile .nk2 – Outlook autocomplete

Albin Sebastian — Wed, 07 Jul 2010 09:27:07 +0000

The location of the NK2 file created by Outlook might be different from one computer to another, depending on the operating system and the version of Outlook. Refer following path to fond the file

For : Outlook 2003/2007 with Windows 2000, Windows XP, or Windows Server 2003
Location : C:\Documents and Settings\[User name]\Application Data\Microsoft\Outlook

For : Outlook 2003/2007 with Windows Vista, Windows 7, or Windows server 2008

Location : C:\Users\[User Profile]\AppData\Roaming\Microsoft\Outlook

For: Outlook 2010 with Windows Vista, Windows 7, or Windows server 2008

Location : C:\Users\win764\AppData\Local\Microsoft\Outlook\RoamCache

The file will be in .dat format

For : Outlook 2010 with Windows XP

Location : C:\Documents and Settings\[User Profile]\Local Settings\Application Data\Microsoft\Outlook\RoamCache

The file will be in .dat format

Use AWK to print column’s from file

Anoop Nair — Thu, 01 Apr 2010 11:29:14 +0000

In many times, we all may required an output of specific column in a file, for example we want to know the users in the system, for this we need to open passwd file in /etc folder and view, but the file is having so much of information, it is time consuming to takeout user name, in that case we use the power of awk to the output we desired, check out how

more /etc/passwd | awk -F: ‘{print $1}’

This will print only the user name from /etc/passwd file.

command description

more - command to view files page by page ( we can also use less, cat etc ….)

/etc/passwd – The file you want take the information from

awk – power tool

-F : – This uses “:” as field separator, default separator is space/tab, we are changing the behavior using -F option

‘{print $1}’ – This will print the first column of the file. ( we can use any field we want )

another example to print user name and full name of the user

more /etc/passwd | awk -F: ‘{print $1, $5}’

Debian lenny Colorful Bash prompt and file names

Albin Sebastian — Thu, 25 Mar 2010 09:31:23 +0000

Fancy bash and ls color is helpful feature in linux. Once we install Debian lenny, the bash prompt and ls result will show in normal ( black and white ). so i planed to make some changes in the profile file. This will helpful for Linux server administrators.

To change in to a colorful prompt do following,

Open /etc/profile

It is as follows.

# /etc/profile: system-wide .profile file for the Bourne shell (sh(1))
# and Bourne compatible shells (bash(1), ksh(1), ash(1), …).

if [ "`id -u`" -eq 0 ]; then
PATH=”/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin”
else
PATH=”/usr/local/bin:/usr/bin:/bin:/usr/games”
fi

if [ "$PS1" ]; then
if [ "$BASH" ]; then
PS1=’\u@\h:\w\$ ‘
else
if [ "`id -u`" -eq 0 ]; then
PS1=’# ‘
else
PS1=’$ ‘
fi
fi
fi

export PATH

umask 022

Now, we have to replace Line PS1=’\u@\h:\w\$ ‘ with following code

if [[ ${EUID} == 0 ]] ; then
PS1=’${debian_chroot:+($debian_chroot)}\[\033[0;31m\]\u\[\033[1;37m\]@\[\033[1;34m\]\h\[\033[1;37m\]:\[\033[1;31m\]\w \[\033[1;36m\]\$ \[\033[0m\]‘
else
PS1=’\[\033[01;32m\]\u@\h\[\033[01;34m\] \w \$\[\033[00m\] ‘
fi

alias ls=’ls –color=auto’
alias grep=’grep –colour=auto’

After the Changes File look like this

# /etc/profile: system-wide .profile file for the Bourne shell (sh(1))
# and Bourne compatible shells (bash(1), ksh(1), ash(1), …).

if [ "`id -u`" -eq 0 ]; then
PATH=”/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin”
else
PATH=”/usr/local/bin:/usr/bin:/bin:/usr/games”
fi

if [ "$PS1" ]; then
if [ "$BASH" ]; then

if [[ ${EUID} == 0 ]] ; then
PS1=’${debian_chroot:+($debian_chroot)}\[\033[0;31m\]\u\[\033[1;37m\]@\[\033[1;34m\]\h\[\033[1;37m\]:\[\033[1;31m\]\w \[\033[1;36m\]\$ \[\033[0m\]‘
else
PS1=’\[\033[01;32m\]\u@\h\[\033[01;34m\] \w \$\[\033[00m\] ‘
fi

alias ls=’ls –color=auto’
alias grep=’grep –colour=auto’

else
if [ "`id -u`" -eq 0 ]; then
PS1=’# ‘
else
PS1=’$ ‘
fi
fi
fi

export PATH

umask 022

If User have a .bashrc Then find the following line and comment it

#export PS1=’\h:\w\$ ‘

Now restart / reload the profile

See the result

“alias” use it for a good reason

Anoop Nair — Wed, 24 Mar 2010 16:31:48 +0000

In Linux we all work with lots of log files, like mail, squid, application etc…., all these files located in its own folder, for example, if we want to look for squid access log to monitor the site access, generally we do tail -f /var/log/squid/access.log, this involves lots of typing, we can make this simple with alias command in linux

#alias squidaccess=”tail -f /var/log/squid/access.log”

now you can simply type squidaccess in the terminal, and you can see the tailing output of access.log !!!!!!!!!!!

Description

alias – Command to create alias

squidaccess – name of the alias (it could be anything)

tail -f “filename” - file name for continuously monitoring the file (this could be anything, we can use even use cd command, to get in to that directory by typing the alias)

To make this permanent put in .bashrc file in your home directory vi ~/.bashrc and add this at the end of the line

alias squidaccess=”tail -f /var/log/squid/access.log”

now quite the file and re login you shell to take effect.

Printing command from history without executing

Anoop Nair — Mon, 22 Mar 2010 13:58:43 +0000

We all know that, BASH stores the commands we entered in the terminal to .bash_history, we can see those commands using history command. Commands in the history can be executed by ! followed by the number, !5 (5th command in the history will get executed). But what if we only need to print the command, instead of executing, we can do it by :p

Ex:1

# !100:p

!100 – 100th command in the history

:p – print the command instead of executing it

Ex:2

# !!:p

!! – last command entered

:p – print the command instead of executing it

Listing only active configuration from filename using grep

Anoop Nair — Sat, 20 Mar 2010 13:26:10 +0000

Imagine a situation that you want to see only the active configuration of squid.conf which is having 3532 line, to see the configuration you have to navigate through whole file from top to bottom, use this command to make your life easier.

# grep ^[^#] squid.conf

This will show only the files which are not starting with #, means the active configuration you made in whole file, may be 5 or 10 lines.

Command Description

# grep ^[^#] filename

grep – filtering command

^ - starting of the line

[^#] – ^ inside [ ] having different meaning (you have to learn regular expression ), [^] means “not” # the symbol, this could be anything # or @ or $ or anything.

filename – filename

BarCamp Kerala 8

Albin Sebastian — Thu, 11 Mar 2010 02:57:50 +0000

We are holding BarCamp Kerala 8 on 28^th of March(2010)!. Finally its here to refresh the minds with technical beverages – its Barcamp time.

Think barcamp is about lawyers? Or about alcoholics? Think again…

BarCamp is an ad-hoc gathering born from the desire for people to share and learn in an open environment. It is an intense event with discussions, demos and interaction from participants who are the main actors of the event

Venue

BCK 8 will be held at MACFAST, Thiruvala. For more details, go here

Registeration

You can register for the event in the BarCamp Kerala Site. When this post was written we have 65 attendees.

Sessions

Till now we have 6 sessions. If you want to handle a sessions at BarCamp, you can add yourself in the sessions page.

BarCamp Kerala So Far…

If you are still uncertain about coming to the BarCamp, checkout these reports about the previous ones…

IP address conflict – Source device identification

Albin Sebastian — Wed, 09 Dec 2009 12:26:20 +0000

IP ( Internet Protocol ) Address conflict occurs when two different devices in local network are using the same IP address, It can happen due to the mistakes from engineers or rogue DHCP server. However once the IP conflict happened in a critical devices we want to find out the device in few minutes. In large networks it is difficult to find out the source of the device with same IP address. Here I am explaining some methods to find out the source of IP conflict device

Error : “ip address conflict with another system on the network”

Even if it is not 100 % solution this may help you to find some identification parameters of the source device.

1, Disable the network of original device

The first thing I recommend is to disable the network of the Original device. It will help us to avoid some confusion about the original device and the new device. And do other testing from a third person’s PC.

2, Ping the IP address and Find out the TTL Value

This will give you an idea about the OS/Device. For Eg, If you are getting reply with ttl 128 It may be a Windows PC. And if it is 64 it may be a Linux OS (Or Linux based Box)

See the list of “Default Time To Live (TTL) values”

(Some devices/software firewall disable the ICMP, That case don’t think it is down. Try Port scans)

3, Find the manufacturer from MAC address.

You can find the MAC address of the device with any scanning tools like NMAP. See above figure. you can find the source mac address from windows event viewer also. Check the event viewer of the infected system ( Windows )

Mac Address is a unique address for all the network device. we can Identify the manufacturer for the device from the MAC address. The first three set (6 digits) known as OUI (Organizationally Unique Identifier)

Eg MAC address 00-00-0C-11-22-33

In this MAC address First three set is “00-00-0C” and it is from CISCO SYSTEMS

Here is the list of OUI with manufactures list

http://standards.ieee.org/regauth/oui/oui.txt

http://anonsvn.wireshark.org/wireshark/trunk/manuf

http://www.coffer.com/mac_find/

4, Scan for opened Ports

By scanning the opened ports, you can identify the services running in that BOX.

See above image, SSH, HTTP and HTTPS are opened there

5, Open IP address in browser if Port 80 is opened (http://192.168.0.1)

Most devices like Wi-Fi routers, Network printers, firewalls, storages there will be a web based interface. This will give you additional information about the box.

6, Search for shared folders

You will get some important folder names If it is a file server or a desktop with file sharing enabled.

You can identify the windows username if you are getting the access to \\ipaddress\c$\Documents and Settings

7, Find hostname from IP address

Use “Ping -a” to resolve the hostname. Hostnames can give a better identification

8, Find Switch port from MAC address table

Login to your switch and search for the Mac address of the device. From there you can find which port is physically connected to that device.

This will give an idea about the physical location.

Command: #Show MAC address-table

Use syntax “i” (Include) for filter the specific MAC address

Download videos from YouTube using Firefox add-on

Albin Sebastian — Fri, 27 Nov 2009 08:14:24 +0000

You can download YouTube videos for offline reference. But YouTube is not providing this facility. Most users are downloading these videos with some software or online converting websites. But here you can see how to download YouTube videos in a single click with the help of a Firefox add-on.

“1-Click YouTube Video Download” is a Firefox add-on for downloading videos directly. No need to go to any other sites to download /convert the video. You can download these videos in deferent formats like FLV, MP4 and 3GP. No need to depend flv converter to convert it to your mobile 3GP format or MP4 formats. You can also convert HD videos directly.
Install this firefox plugin, After that You can see a download link below the video. In a single click it will start download.

Plugin Download link : https://addons.mozilla.org/en-US/firefox/addon/13990

Click here to watch Video Tutorial on YouTube