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Rockalldll.dll is a file used by Rockall Heap Manager to ensure the proper functioning of your computer. We found that this file is mainly used with games like Age Of Empires 3 and other Microsoft games. The errors it causes are almost always caused by the fact that your computer is not able to access the files/settings it needs to run.

This tutorial will show you how to solve the problem as efficiently as possible.

Rockalldll.dll – dll file called’Rockall Heap Manager DLL’ is part of the Rockall program developed by Microsoft Corporation. Some applications or games require this file to work properly. If the rockalldllll.dll file is missing, various errors can occur when starting the application/game. read more

If you see a message that says: “We can’t connect right now. Please check your network and try again later”, by entering your password each time you restart or start, you will learn how to correct this here.

This error occurs when users try to activate Office 365. And on MS Office products, it appears as “No Internet connection”. This happens to all computers in a company. Office 2013/2016 cannot be activated on a new construction. We notice that “No network connection” is present on the Windows 7 x64bit adapter. The client has two connected adapters, one Ethernet and the other wireless. Both say that there is no “Internet connection” if there is only one. read more

You can use your keyboard for moving the mouse cursor in the X Window System. This means you can use the mouse without touching it at all.

< Moving the cursor >

Of course you must have the X Window System running first… Then press Shift + NumLock to turn the feature on.

Move the mouse using the 1, 2, 3, 4, 6, 7, 8, and 9 keys in your number pad. Take a look at your number pad, and you’ll quite quickly figure out which key moves the mouse in which direction.

< Clicking >

Click by hitting the 5 key on your number pad. Double click by hitting it twice. read more

Learn how to install software from RPM packages in Linux. You’ll also learn how to upgrade, remove and administer the RPM packages on your system.

< What is RPM >

RPM stands for Red Hat Package Manager. However, these days RPM isn’t only Red Hat specific because many other Linux distros use RPM for managing their software. For example, both Mandriva and SuSE use RPM for software management. With RPM, you can install, upgrade and uninstall software on Linux, as well as keep track of already installed RPM packages on your system. This can be done because RPM keeps a database of all software that was installed with it. read more

Have you ever wanted to run two or more sessions of the X Window System at the same time? Well, it is possible! You can have multiple X sessions running on different virtual terminals.

< How to start X sessions >

There are two ways to start the first X session: you either start the X Window System manually after logging in, or X starts automatically when your Linux system boots up. If your system is configured to start X automatically, you don’t have to worry about the first X session: it’s already running.

If you don’t have a graphical login, you probably start X with the startx command after logging in:
startx read more

How to create, move, and delete directories in Linux with the mkdir, mv, and rmdir commands. You’ll also learn how to copy a directory recursively and how to remove a directory that is not empty.

This tuXfile teaches you how to manipulate directories in Linux. If you’d like to learn how to manipulate files, check out the Manipulating files in Linux tuXfile.

< Creating directories >

Creating a new, empty directory is very easy. You use the mkdir command:
$ mkdir dir1

That’s it. It’s really that easy! read more

Many Chrome users see the error err_cache_miss in Google Chrome when they visit a website nowadays. Correcting this error is as simple as following a few simple steps – included in this manual.

This error simply indicates that the browser has not been able to obtain a cached copy of the page you are trying to access. You will see this error message in the browser and sometimes in the development tools area. In this article, we will discuss in detail how to fix the err_cache_miss error in Chrome. read more

Learn how to change your default window manager or desktop. Switching window managers isn’t hard, but it’s still one of the hardest things to figure out. I’m not covering kdm or gdm here, this tuXfile teaches you how to change the default window manager if you’re using xdm or starting the X Window System manually with the startx command.

< Edit a text file >

Alright, you’ve installed a really fancy new window manager and want to try it out? If you’re booting to command line and starting X manually with the startx command, you’re probably wondering how to make that new fancy window manager your default. Or, if you use xdm as your display manager, you’re probably wondering the same thing because it doesn’t provide you with any menu that lets you change your window manager. You need some other way of telling X what window manager you want to use. read more

Because this imaginary Linux distro was supposed to be a weird result of adding Windows features into Linux, I wanted to name my imaginary distro after a Microsoft OS. First, I tried the name Lindows, but when I googled it up just to be sure, there already was a real distro named like that! I had to come up with another name, so I picked Linux XP. While googling it up, the name Linux XP didn’t seem to be taken by any real distro, so I used it instead of Lindows. To be frank, I didn’t believe anyone would actually name a real distro like that. read more

Linux file systems and directories

Linux’s directory structure
Lost in the file system? Where are all the files? What do the weird directories contain? How is the Linux file system organized? A little overview on the most important directories on Linux.

Moving around in the Linux file system
Learn how to move from directory to another with cd, how to find out what directory you’re in with pwd, and how to list the contents of a directory with ls. You’ll also learn what are absolute and relative path names.

Creating, copying, moving, and removing directories
How to create, move and delete directories in Linux with the mkdir, mv and rmdir commands. You’ll also learn how to copy a directory with its contents and how to remove a directory that is not empty. read more