If you’ve ever wondered how to read a file in Unix, you’ve probably wanted to know how to use the Bash shell’s read command. This command is useful for reading a single line of text from the standard input, dividing it into words that you can use as input for other commands. In general, the …
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You may be wondering how to install your scanner on Ubuntu. Fortunately, the OS is compatible with a wide variety of scanners and printers. If your scanner has a USB interface, you should be able to find a suitable driver. You’ll need to connect your computer to the internet first, however. Next, open the “Support” …
What happens when the BIOS update fails? During this process, your computer may become unusable due to unexpected incompatibility issues, a blackout, or even your cat walking on the keyboard. Luckily, this rarely occurs. There are a few ways to prevent this from happening to you. Follow these tips to make the BIOS update fail …
To open Chrome in Unix, you need to use the sudo command, which elevates the command to root permissions. It’s a good idea to use this instead of the scm command, which only emulates the CLI/server apps and not the real Linux kernel. After you have installed the app, you should wait for it to …
To see if your Bluetooth is on Linux, look for the bluetooth icon. It’s typically red, and if it isn’t there, follow these steps to enable it. Once enabled, your device should appear in the Bluetooth settings wizard. Depending on your distro, you might have to install an additional driver. You can try the query …
If you’re not familiar with the concept of single user mode, it’s an operating system run level in Linux. This read-only mode does not require a password to login and does not start networking services. However, it is important to note that there is a way to start networking support in Ubuntu. Generally, single user …
In Unix, you can use the -eq and == commands to compare two numbers. Both commands check for equality. -eq checks for equal numbers, while == is used for strings. Both these commands return the same value if the operands are the same length and have the same sequence of characters. For example, if both …
To fix your computer, you must first learn about what clearing the BIOS does. This resets your computer to its factory settings, which are often based on the CMOS (Complementary Metal-Oxide-Semiconductor) chip. Using this method, you can resolve various hardware-compatibility problems and troubleshoot computer problems. Moreover, clearing the CMOS resets your system’s settings to their …
To find out what version of BIOS your new motherboard has, visit your motherboard manufacturer’s website. Usually, they have a Support or Downloads page where you can find out about new versions of the motherboard. The page will have a list of available BIOS versions, what each version changes and when it was released. It’s …
The process of compiling and installing a kernel module is relatively simple. First, you must create a build system and source tree for the kernel version you want to use. In this example makefile, the KERNELDIR variable can be changed. This macro expands to a string that describes the kernel version or a binary representation …