Public DNS to speed up your connection

Public DNS to speed up your connection

Google DNS

The Google DNS are very simple to memorize very stable:

Open DNS

They are very popular and the nature and philosophy of these DNS is that they are open and we can control:


It is also a free alternative and promise to remove […]


Zimbra Collaboration Server 8 is amazing, it’s a fresh up take away from the rough hands of Microsoft Exchange. And most importantly, the opensource version has everything that I need. I’ve used it commercially and do recommend it to any clients as it’s just a great platform.

Installation of Zimbra is very easy. I’ve left […]


Windows password recovery tools are used to recover, or reset lost user and administrator passwords used to log on to Windows operating systems.

Password recovery tools are often called “password cracker” tools because they are sometimes used to “crack” passwords by hackers. Legally cracking or unlocking your own Windows password is certainly a legitimate practice!

Note: Using a Windows password recovery program is just one […]


tcpdumptcpdump -nn -ni eth0tcpdump -i eth0tcpdump -i eth0 -n

tcpdump -nn -ni eth0

tcpdump -nn -ni eth0 host

tcpdump -nn -ni eth0 src host

tcpdump -nn -ni eth0 dst host

tcpdump -nn -ni eth0 src host and dst port 80

tcpdump -nn -ni eth0 host or host

tcpdump -i […]

Editor on Windows For more than 2 GB

Community wiki:

Suggestions are

gVim loads entire file into memory first. SlickEdit Emacs (has a low maximum buffer size limit if compiled in 32-bit mode). Large Text File Viewer PilotEdit (loads entire file into memory first). HxD hex editor, but good for large files.

Text editors with 2GB limit: Notepad++, Jujuedit, TextPad


IREDMAIL replication server with 1 hour delay or what ever delay you want.

IREDMAIL replication server with 1 hour delay or what ever delay you want.

This is not a HA and it’s not using any ldap replication engine and mysql replication engine.

The methodology is just

backup –> transfer –> restore

The tools needed;

i. rsync

ii. NFS daemon

iii. mysqldump and restore (for mysql)

iv. slapcat […]

TCP IP Port in SQL Server 2012 and Firewall

TCP IP Port in SQL Server 2012

As an SQL Server Administrator you might need to find SQL Server TCP IP port configured for your SQL Server Instance. There are many reason to find it but most famous reasons is to give access to developer and set firewall exception if there is any. Generally 1433 […]