The GRUB rescue mode is a way to get back into your system in case something happens to your boot loader. It is a manual procedure that can be started with the ls command. This command lists the different partitions and files in Linux. You may be able to see what caused the error before …
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UEFI is the successor to Legacy BIOS firmware and supports larger hard drives and faster boot times. This new firmware also offers more security features, but there are some major drawbacks to Legacy BIOS. Read on to learn about the major differences between the two and which one is best for your computer. While they …
The first thing you need to do is determine the ownership of the folder. By default, the htdocs folder is owned by the user root, and the primary group contains all other users. You can check this by running a command such as chmod -R. This command will give you the information you need to …
One way to erase data from an external hard drive is to use the DD command. This command is not very quick, so you may need to leave it running overnight or at least at the start of your day. To learn more about the DD command, run the dd -help command first. Once you …
While most computers come pre-installed with Windows, it is a good idea to check which hardware supports Ubuntu before installing the OS. For example, some Dell laptops are not compatible with Ubuntu, making it impossible to play MP3 files. However, the lack of hardware support does not make Ubuntu unusable for some users. The advantage …
The GNOME desktop environment is the default for many Linux distributions. Based on GTK+, GNOME is updated every 6 months. However, if you’d like to use GNOME on Linux Mint, you must upgrade all packages in your system. This includes the gnome-session, gnome-shell, and lightdm. However, if you want to use GNOME, you can use …
Once you’ve downloaded the latest Mac operating system, the next step is to install it. The Mac App Store can be accessed by clicking the Apple icon on the dock and choosing “Apple Store.” You can also open the app by clicking the Applications folder and searching for the new OS. Once the installation is …
If you are not familiar with how to run Synaptic Package Manager in Ubuntu, then this article is for you. It will help you find and install the applications you want to use. You will be able to see which applications are available for installation, and you can also choose which ones to remove. Below …
Iptables is a system for controlling network access. It allows you to specify rules that determine whether or not a particular IP address can communicate with the host. There are two main types of rules: drop and reject. The drop rule drops all packets, while the reject rule blocks all but the specified source and …
When writing udev rules, you can use the printf-like string substitution operators to create multiple device names. For example, if you are looking for a spare disk, you can write a rule for it with the name “my_spare_disk”. This will rename the device to this name when it is executed. If you’d like to create …