The UPS monitoring server goes through the firewall to reach the SMTP relay server. After hardening, the test emails are not going out. The server engineer was pulling his hair out because everything looks fine at his end. There is…
Correct date on HP Photosmart All in One printers
Setting the date and time for HP Photosmart printer
RISC microprocessors
CPU photo from Wood be Nice ARM microprocessors have been making the headlines. I thought I dig up my undergraduate paper on Reduced Instruction Set Computing (RISC) microprocessors. This was written in 1995 with the resources of a small library.…
Yaaahhoooooo!!!
Are you a Yahoo user? You might want to change your password. At the same time to any other web service that you have the same user id – password combination. Yahoo just been hacked via some really old tech…
ITIL
When started in the IT industry, certain things were niggling me. Like what was the best practice for running an IT operations. In the pre Yahoo days, there simply none to be found. With the advent of search engines, learning…
Google Apps for Business
The service provider that host this website enables a few email accounts for communication. After years of battling spam using Outlook spam filters and Mail Washer, I have thrown in the towel when the notebook harddisk died along with all…
Backup your data
This is the most basic and important operational task. All data should be backed up as frequently as possible. This is to protect against logical data corruption or data loss. The server’s hard disk is protected by RAID 5, but…
Practical disaster recovery plans
I thought I share some tips on creating a practical disaster recovery plan. Most people has a misconception that such plans are large complex and ultimately expensive. Well I am going to show you how you can have a practical…
Have you heard of SWUG?
No, not swag, SWUG. This is Singapore Windows User Group. Headed by a bunch of dedicated IT professionals sharing their knowledge of Microsoft products. I think they are supported by Microsoft in the form of pizzas and conference room facilities.…
Windows 7 printing to a remote printer
If you are using a Windows 7 computer and trying to connect to a remote printer, there is a good chance that you have encountered a mysterious: “Windows cannot connect to printer”. A good example is a user using Windows…