Windows Server 2008 PDC external time

Internet time is hidden from control panel. As a PDC, Windows Server 2008 need to be synchronized with external source. You can select the closest NTP server from http://www.pool.ntp.org/en/ Microsoft recommends (quote from technet.microsoft.com): Click Start, and then click Command Prompt. In the Command Prompt window, type the following line, … Continue reading

Blocking spambots with SCROLLOUT F1 and fail2ban

I asume that you have a fuly functional SCROLLOUT F1 instalation and you want to add spambot blocking feature. Ad the following line to /etc/apt/sources list deb http://ftp.debian.org/debian unstable main Then run apt-get update apt-get -t unstable install fail2ban cd /etc/fail2ban cp jail.conf jail.local Edit jail.local [postfix] enabled = true … Continue reading

Low budget High Quality Digital Stereo Sound for Mac OS X Lion

Introduction: I used to have a 5.1 THX certified Logitech 5300Z sound system. Sound great, but some inconveniences related to analog 5.1 audio systems: extra wiring for rear speakers, only one audio source, huge subwoofer, lack of digital connectivity. I sold it with intention to buy Logitech Z-5500 that has digital inputs. Besides … Continue reading

How to recover ext4 from GPT partitioned disk

Hard drive sizes had increased dramatically in last several years, but block device drivers are still outdated. For hard drives more than 1TB currently seems to be an advantage to use GPT instead of legacy MBR partition table. You can see more details at http://en.wikipedia.org/wiki/GUID_Partition_Table . One of the inevitable … Continue reading

Clear DNS cache windows

Operating systems affected: MicrosoftTM Windows XP, Windows Vista, Windows 7 To clear dns cache: ipconfig /flushdns To restart dnscache service: net stop dnscache net start dnscache You can also do this visually from MMC. Just type services.msc in run/search and use appropriate command in order to restart dnscache service. Benefits: … Continue reading

Wipe free space on Mac with CCleaner

The well known Piriform’s  PC Optimization software CCleaner it is now available on Mac for Leopard, Snow Leopard and Lion. It this post I will show You how to use “Wipe Free Space” feature of CCleaner. But why should I wipe the free space on a hard disk? When you … Continue reading

Free Online Photo and Image Editor – IMAGEBOT

We are often use online editors, like webmail as an email editor, Google Docs as Office suite replacement for simple Word and Excel documents. Even photo manipulation web tools are popular. Recently I found out that the first free vector art library OpenClipart is using a online web editor to … Continue reading

Quick print high resolution coloring page using Illustrator

You have a Mac, Illustrator and some kids. You need to print quickly few coloring pages for them. The only problem is that most of images are low res. With newest versions of Illustrator  we can easily convert any bitmap image in a vector image, using Live  Trace 3 easy … Continue reading

Speed up file tranfer between MAC OS X and Linux Samba Server

After scratching my head few weeks, tweaking a lot smb.conf on my linux box, I found a Finder workaround, based on turning off display of server in sidebar. Symptom: Slow file transfer over the network, between a MAC OS X Lion machine and a Linux machine (archlinux, currnet version). Also … Continue reading