As a system administrator, you may often need to create a Windows domain of a computer network in which all user accounts, computers, printers and other security principals, are registered with a central database (called a directory service). Also one or more domain controllers need to be deployed to enable managing the domain. In this post, we will show you how to apply Domain Level Group Policy. There are lots of posts which have covered how to promote a Windows server to a Domain Controller. After installing a Windows Server, you can promote the server to a Domain Controller by following in...

When developing websites, frequently we may need to upload source codes to the remote server. To ease of thew work, many website developers set up FTPs to upload the files. This post is a tutorial on how to install and setup vsftpd on a server. vsftpd is a very popular FTP service on Unix-like systems.Open command terminal, then install the vftpd by issuing commandyum install vsftpdorsudo apt-get install vsftpdAfter installing the vsftpd, the config file needs to be updated based on the operating mode preferred. The first thing to be done is to disable the anonymous login in vsftpd.conf# Disab...

Windows 7 is another great operating system released by Microsoft after Windows XP. Since Microsoft has announced that it suspended the support of Windows XP starting from April 8, 2014. Many users have been forced to move to Windows 7. Unfortunately, if you are using a bootable USB flash drive to install Windows 7 and your computer doesn't have USB 2.0 port but only USB 3.0 port, you will encounter missing driver issue while installing it. This post will show you how to workaround this issue.Before installing the Windows 7, we have to have below things ready:A flash drive with capacity not le...

As a IT professional, we often need to capture screenshot of what we are working on to give proof of what we are doing and why we do it. The screenshot will provide a good sense to other people. You may be familiar with taking screenshot with different tools such as snagit, snipping tool or the Windows PrtSc button. But do you know how to take a screenshot of a dropdown menu?Here we show you how to capture screeenshot of dropdown menu with the snipping tool provided since Windows 7. Below are the steps:1. Open snipping tool and press Esc2. Move to the dropdown menu and expand it3. Then press C...

By default, VirtualBox only allows to install 32 bit OS on it. But sometimes, 64 bit OS is wanted for specific uses such as running platform specific tests. To allow installing 64 bit OS on VirtualBox. Below information is needed.Here is the official documentation about 64 bit OS:VirtualBox supports 64-bit guest operating systems, even on 32-bit host operating systems, provided that the following conditions are met:You need a 64-bit processor with hardware virtualization support (see the section called “Hardware vs. software virtualization”).You must enable hardware virtualization ...

Maybe many of us will see a small arrow on desktop application shortcut after we install the application on Windows. Some may like it but some people may think it doesn't look beautiful enough. We may need to remove these small arrows somehow the desktop can be clean. So how?Many people may use a third party software to remove the small arrows, then they must go to download the software and install them. But do we necessary do this in order to remove the small arrow?The answer is no.Here I propose a simple way to do this. Follow steps below:1. Go to Start->Run->Type "regedit";2. After th...

Windows has finally released the update for Windows phone, the Windows 8.1! Microsoft has finally released the version upgrade which has interesting enhancements. This may not seem like a major upgrade but it definitely looks interesting.This latest update has been released on the Lumia phones that were running using the 8.0 version. There is a lot to look forward to in this new update, and some of it will definitely feel interesting.Folders along Live TilesFor a long time, people were attracted to the concept of grouping of apps through folders. This concept has finally arrived on Windows OS ...

A few days ago, I installed the newest 64-bit gdb program (version 7.7.1) on Solaris 10 (X86_64 platform) to debug programs. After playing with the gdb a day, I found 2 issues about gdb:(1) The "set follow-fork-mode child" command doesn't take effect. By default, after the parent process forks the child process, the gdb will track the parent process, so this command can make gdb begin to follow the child process. But this command works OK on Linux.(2) The gdb can't parse the 32-bit application core dump file. Per my understanding, the 64-bit gdb should parse both 32-bit and 64-bit core dump fi...