Which WiFi Encryption is Best?

by File in: Networking

Encrypting your wireless network accomplishes two things: it helps keep out leeches (i.e your neighbours) who would otherwise use your WiFi for free Internet, and it helps prevent intruders from breaking into your system to snoop around your PC. Of course, most wireless routers have encryption turned off by default, so any choice you make […]

What is hiberfil.sys?

by File in: Windows Vista Tips

To avoid some of the drawbacks of Vista’s Sleep power-saving mode, you can hibernate your PC. Hibernate saves a copy of everything in your PC’s memory (RAM) onto your hard disk before it shuts down. Windows uses the file hiberfil.sys, stored in the root folder of your hard disk, to hold your hibernation data. Because […]

How to Change the Limit Reservable Bandwidth in Windows

by File in: Windows XP Tips

Update: It has been brought to my attention from a colleague that the idea of QOS taking up 20% of the bandwidth is actually a myth. Microsoft has an official response to this that you can read here and it’s been debunked on LifeHacker as well. Edit the setting at your own risk.  For their own […]

How to Create Multiple Linked Dropdown Lists in Excel

by File in: Office Tips

So previously I wrote about how you can create a simple dropdown list in Excel, which is perfect for any kind of data validation. If you have a range of values that people are required to enter repeatedly, it’s best to create a dropdown list so that no invalid data can be entered. That’s all […]

How to Force Group Policy Update in Windows 2000, XP, Vista, 8 and 10

by File in: How-To

As an IT Administrator, there are many times when I make a change to Group Policy in Active Directory and need to manually refresh the policy on a client machine. Depending on which OS you are running, the command to refresh group policy is different. Also, there is a difference between refreshing a policy and […]

How to Increase Tomcat’s Memory Allocation

by File in: How-To

If you are experiencing performance issues with Tomcat, a common cause is the lack of JVM (Java Virtual Machine) memory allocation. The default setting of the maximum heap size is 64MB or 128MB. You can increase the maximum heap size of applications by setting the -Xmx JVM parameter. For example, -Xmx512m allows maximum 512MB heap to […]

How to Set Disk Quota Limits in Windows 7/8/10

by File in: How-To

If you’re in IT, you’ve probably dealt with many users who are always filling up the disk space on shared servers, right?  In Windows 7, 8 and 10, there is a way for admins to set disk quota limits per user so that no user will be able to fill up the disk. Disk quotas […]

How to Use Excel’s Speak Cells Feature

by File in: Office Tips

I am a big fan of text-to-speech technology, mostly because it doesn’t work all that well.  However, sometimes it ends up being useful for certain situations. Excel is packed with many features, including one called Speak Cells, which basically lets you feed your chosen cells to a text-to-speech engine. It is a great accessibility tool […]

Get Outlook Email Stats using StatView

by File in: Office Tips

Just about every corporate email account is using Outlook and Exchange server to handle user email and there is an awful lot of data stored in those PST files. My own work PST file for Outlook is close to 2 Gb, which is why I wrote a post on how to optimize your PST file so […]

How to Register a DLL File in Windows

by File in: How-To

Ever run into a Windows problem where you have to register a DLL file on your computer? A DLL file, aka Dynamic Link Library, are files that contain functions used across multiple applications. For example, Microsoft Office has hundreds of DLL files that can be used between the various Office programs to perform certain certain […]