grub

How do we show or hide the GRUB boot menu at boot time in Ubuntu operating systems?

botond published 2022. 05. 23., h - 13:05 time
How do we show or hide the GRUB boot menu at boot time in Ubuntu operating systems? | Linuxportal
GRUB is a boot program that starts the selected operating system when you start your computer. For Ubuntu Linux systems, the GRUB menu will only appear by default if you have more than one operating system installed on your computer, giving the user the option to select the system they want to boot. However, sometimes you may need to display the GRUB menu for an instance of Ubuntu. In this short description, we'll look at how to bring up the GRUB menu for a single Ubuntu system.

update-grub

Manual page and help for the update-grub Linux command | Linux portal
The manual page and help for the update-grub Linux command. Update-grub is a small Shell script that runs the "grub-mkconfig -o /boot/grub/grub.cfg" command, which creates the grub2 configuration file. The command therefore acts as an abbreviation to create the configuration file.

How to upgrade your perfect Debian9 (Stretch) server to Debian 10 (Buster) (page 2)

botond published 2022/01/22, Sat - 23:02 time
How to upgrade your perfect Debian9 (Stretch) server to Debian 10 (Buster) (page 2) | Linux portal
The operating system running on our Debian-based web servers will become obsolete over time, so over time it will be necessary to completely upgrade the distribution. In this description, we will perform a complete upgrade of a Debian 9 (Stretch) web server to Debian 10 (Buster). There are many services on the server that will also be updated. On the second page of the description, we will perform a full system upgrade after the Distribution is updated with a major version.

How to reset our forgotten root password on our Linux system

botond published March 2020, 10, Thu - 08:13 time
How to recover a forgotten root password on our Linux system | Linux portal
It is not common to log in as root, so we do not use its password for a long time. We may forget and the sudo command is not available. If this happens, let's look at two ways to recover your forgotten root password on Debian and Ububtu.

GNU GROUP

botond published 2019/12/21, Sat - 17:33 time
Introducing GNU GRUB in the Encyclopedia Linux Portal
GRUB is a software package that loads the GNU Project operating system, which allows you to choose which system to boot when you start your computer, if you have more than one installed on your computer, or to run a specific kernel configuration on a partition of that operating system.

Installing Debian 10 (Buster) Minimum Server (page 2)

botond published 2019/11/05, k - 16:30 time
Installing Debian 10 (Buster) Minimum Server (page 2) | Linux Portal
In this tutorial we will install a minimum Debian 10 (Buster) server, which consists of the Debian 10 base system and some basic configuration. This installation will be the basis for later LAMP and perfect server tutorials. On this page, we complete the remaining steps of the installer and make the following settings: Upgrade APT, sudo, fixed IP address and nano configuration.

Installing Debian 9 (Stretch) Minimum Server (page 2)

botond published 2018/12/21, p - 23:09 time
Installing Debian 9 (Stretch) Minimum Server (page 2) | Linux Portal
As a follow-up to the Debian 9 (Stretch) Minimum Server Installation Guide, which began on the first page of this tutorial, we will configure the major software, GRUB boot loader and network on this page to get your machine ready for the perfect server.
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