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Merge your DBML

There is always better way to merge your DBML files when somehow your DBML become disorganized. Luckily KDiff3 has a feature that allows you to rearrange the lines in all the versions of a file that are involved in the 3-way merge. This will allow KDiff3 to compare lines that were meant to be compared together …

Difference Between GPT and MBR

Set up a new disk on Windows 10 or 8.1 and you’ll be asked whether you want to use MBR (Master Boot Record) or GPT (GUID Partition Table). Today we’re explaining the difference between GPT and MBR and helping you choose the right one for your PC or Mac. GPT brings with it many advantages, …

How to shrink a Windows VM in XenServer

You can always grow the storage volume for a running Windows VM in XenCenter, but also there is a way to shrink it. Here is how to do it:

Configure Postfix with Gmail and Google Apps on Debian or Ubuntu

Postfix is a Mail Transfer Agent (MTA) that can act as an SMTP server or client to send or receive email. There are many reasons why you would want to configure Postfix to send email using Google Apps and Gmail. One reason is to avoid getting your mail flagged as spam if your current server’s …

Apache folder permissions

You should never have to run a website out of your home directory. EVER. You would otherwise have to give the web server the ability to traverse through /home/ to see the directory structure, but also into /home/$USER/ (your user’s home directory, where we can try and see what else exists in your user directory), as well as any other subfolders …

Install Apache’s mod_security & mod_evasive to prevent DoS/Brute-Force attacks on CentOS

I have been searching for a free open source solution to protect my web application against prying hackers, malicious screen scrapers, illegitimate crawlers, rampant bots and abusive API users. Besides being free and open source, the minimum requirement is that the solution can identify rogue user IP addresses and blacklist them if necessary. Preferably, the …

Auto-Unlock Bitlocker with eDrive (Hardware Encryption)

Self-Encrypting Drive (SED) technology provides verified and certified data security which offers nearly unbreakable pre-boot access protection for user data. Because SED access is pre-boot, there is no possibility of running an OS utility to break authentication codes. Following TCG Opal 2.0 specifications and IEEE-1667 access authentication protocols provide data security which meets government standards …

Switch BIOS settings from RAID to AHCI [Windows 10]

PSA: You should not be attempting these fixes unless you’re a professional!  And it goes without saying, you will ALWAYS need your local admin password, recovery media, and backups of your data before fooling around with low-level storage driver configuration — or really anything else for that matter.  See the comments section below for examples of a couple …

Delete Putty Cache Keys (GitLab)

Sometimes you will get this problem when you try to connect into GitLab The server’s host key is not cached in the registry. You have no guarantee that the server is the computer you think it is. The server’s rsa2 key fingerprint is: ssh-rsa 1024 cc:78:13:a3:68:a6:59:7e:b8:23:2d:13:3e:66:9b:b9 If you trust this host, enter “y” to add …

Enable BitLocker Drive Encryption without a TPM

Procedures to change your computer’s Group Policy settings so that you can enable BitLocker Drive Encryption without a TPM. This use a startup key to authenticate yourself and it is located on a USB flash drive inserted into the computer before the computer is turned on. In such a scenario, your computer must have a …

How To Manually Install Language Packs In Windows 8 (lp.cab Files)

Microsoft has made it quite easy to install a language pack in Windows 8. Just search for “Add a language” in Windows 8 and add language through the interface. If you have downloaded the lp.cab language pack file on your computer, Windows 8 does not give any straight forward option to select the source language …

Windows 8: Enable .NET Framework 3.5 (includes .NET 2.0 and 3.0) feature in Online & Offline mode!

In Windows 8, .NET Framework 3.5 (includes .NET 2.0 and 3.0) not installed by default and some applications require .NET Framework 2.0 or 3.0. The first step for us is to check the Program and Features to enable any available additional features in an Operating System. This is what you see in your Control Panel …

Using a raw disk as a VirtualBox drive

VirtualBox was capable of using physical disks for virtual machines. For more information check out this section on creating raw disks in the VirtualBox manual https://www.virtualbox.org/manual/ch09.html#rawdisk.

How to Delete the “Windows.old” Folder in Windows 8 and 8.1

If you performed a refresh of Windows 8, upgrade to Windows 8, or a custom install of Windows 8 without formatting the drive for a clean install and selected to install Windows 8 on the same partition of the previous Windows installation, then you may have a C:\Windows.old folder left over in your new installation. …

Compiling a C Program

Visual Studio includes a C compiler that you can use to create everything from basic C programs to Windows API applications. This post shows how to compile it on the command line.

Windows 8 dual boot priority setting

If you following this post: Creating a “no hypervisor” boot entry And want to change your boot priority to with no hypervisor. You can change this easily.

Creating a “no hypervisor” boot entry

I was not able to run hardware accelerated on VirtualBox after installing Hyper-V on Windows 8 (due to Windows Phone 8 SDK requirement). Some Virtual PC / Virtual Server still can run with hypervisor running, but the result is that Virtual PC / Virtual Server run quite slowly.

VirtualBox: access Windows-host shared folders from Ubuntu-guest

This is the scenario that you run Windows as your host operating system and Ubuntu in a VirtualBox, and that you want to access a specific Windows folder from Ubuntu.

How to reset your password in Ubuntu

This tutorial will help you reset your Ubuntu user account password, regardless of what reason you have for resetting it.

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