Posts belonging to Category General Tips

How To Use Cloud Storage Services Effectively

In recent years, the term “cloud” is often mentioned in the mass media as a technological revolution on the Internet. Cloud Storage is one of the most popular “cloud” services today. This article will analyzes and suggest some ways to use free cloud storage service efficiently and safely. What is cloud storage? Cloud storage is […]

MMC error “The module “schmmgmt.dll” loaded but the call to DllRegisterServer failed with error code 0x80040201″

When attempting to register the Active Directory Schema Snap-in (also known as the Schema Console or Schema MMC console) using Windows Vista, Windows 7, Windows Server 2008, or Windows Server 2008 R2, you may need to run the command from an elevated command prompt. Otherwise, you could see the following error after running the registration command regsvr32 schmmgmt.dll […]


Today, one of my Windows 7 PC shown the error message, “ERR_NAME_RESOLUTION_FAILED“, when I enter any website using Internet Explorer, Firefox, and Google Chrome. The full error message is  Error 137 (net::ERR_NAME_RESOLUTION_FAILED): Unknown The webpage at might be temporarily down or it may have moved permanently to a new web address I thought it’s caused […]

Reset Cisco WAP2000 to factory default settings

There are two ways to reset the Cisco WAP2000 wireless back to factory default settings. The first method is to use the web link, and the second method is to push the reset button at the back of the router. But, in some cases, you pressed the reset button, the wireless light went out, and […]

Open folders in the same window in Linux

In Linux, by default, when you double click on a folder, a new window pop up with the content of that folder. That’s annoying because you would have multiple windows on your screen when you browse your folder and files. Now, you want to open sub-folders in the same window of the parent folders in […]

Working with NTFS in Linux

In Linux, you could not by default view or modify NTFS partitions. To access NTFS permission, you have some options to go around it, but the following method seems to be the easier way to finish the problems. The method is to install NTFS-3G application. It will help you to mount a NTFS partition as […]

Create a new routing VLAN for Dell PowerConnect 6248 switch

I assume that your just have a new toy, Dell PowerConnect 6248 PoE switch, and you want to configure a manage IP for remote management. But, when you assign the IP address to VLAN 1, you bumped into this error message ERROR: Routing is not allowed on the Management VLAN. The reason is because the […]

Enable SSH server on Dell PowerConnect switch

Dell PowerConnect has Cisco IOS inside the box, so it’s pretty common to fully configure the entire switch if you are already familiar with Cisco commands. The price of the box is also pretty cheap. I personally tested the durability of a 24/7 Gbps switch (multiple models), it has been running for more than 2.5 […]

Error: cannot run executable files from Windows Explorer

In Windows Server 2003, sometimes, you might encounter this error message Windows cannot access the specified device, path, of file. You may not have the appropriate permissions to access the item.   There are some reasons that cause this problem, but the common reason is Windows blocks the file from being executed. To fix this […]

Find the place in a picture on Google Map

You might have the need to know where is the place in a photo is. Try this method, some photos could contain geo-tag information (EXIF information) that helps to locate the place where the photo is taken. Not all photos could be located. Most photos captured with iPhone or high-end cameras with GPS system built-in […]