Linux tutorials, system administration, web hosting, programming

MBR (Master Boot Record)

botond published 2020. 03. 02., H - 10: 26 time
Master Boot Record (MBR) is a special boot sector at the very beginning of partitioned computer storage. Examples of such devices are built-in or removable hard drives, SSDs, and flash drives. The MBR concept was officially introduced in PC DOS 1983 in 2.0 and has been running on PCs with BIOS since then.

GPT (GUID Partition Table)

botond published 2020. 02. 28., P - 13: 56 time
The GUID Partition Table (GPT) is a standard for arranging partition tables for physical computer storage devices, such as hard drives or SSDs, which uses universally unique identifiers (also known as GUIDs) to identify partitions on storage devices. . GPT is part of the Unified Extensible Firmware Interface (UEFI) standard.

Server monitoring with Munin on Debian 9 (Stretch) and Debian 10 (Buster)

botond published 2020. 02. 17., H - 14: 42 time
By making the web and other services running on our server available to the public, there may be a need for an all-encompassing monitoring system that can track information about the utilization of various resources on our server from a single location. Many of these softwares are available nowadays, and in this tutorial we will look at installing and setting up the server monitor program Munin on Debian 9 (Stretch) and Debian 10 (Buster).

How to update our hold packages using the APT package manager

botond published 2020. 01. 31., P - 20: 22 time
When upgrading our packages, the APT package manager may withhold some pieces. This is usually because a program sometimes undergoes changes that change the package dependency of the underlying software. In such cases, you would need additional packages, sometimes requiring replacement or removal of other packages. In some cases, therefore, the normal mode packet update does not update such software, but APT leaves the user with this issue. In this brief description, we will look at an example of how to update our retained packages in this way.

Free Software Foundation

botond published 2020. 01. 31., P - 11: 02 time
The Free Software Foundation, or FSF, is a nonprofit organization founded by Richard Stallman on October 1985, 4 to support the free software movement that promotes universal freedom to study, distribute, create, and modify computer software.

How to configure custom PHP versions on our ISPConfig server

botond published 2020. 01. 27., H - 18: 30 time
If you have multiple web pages on our server, you may need to run a different PHP version per web page. Using ISPConfig is a very simple task as the control panel can run multiple versions of PHP at the same time. In this tutorial, we will walk you through how to configure PHP instances installed on the server in FastCGI and PHP-FPM modes.

Creating a recovery flash drive using GParted Live

botond published 2020. 01. 22, Wed - 15: 40 time
A recovery flash drive is a bootable device that can be used to save or repair corrupted file systems when the operating system fails to boot due to the damage, or even to recover a disintegrated GRUB if it is not working properly. In this tutorial, we will make and try a recovery flash drive, which is good to keep in your pocket whenever there is a problem with your computer in the future.

UEFI (Unified Extensible Firmware Interface)

botond published 2020. 01. 18, Sat - 10: 45 time
UEFI (Unified Extensible Firmware Interface) is a specification that defines the interface between the operating system and the platform firmware. UEFI replaces the previous BIOS (Basic Input Output System) originally found on all IBM PC-compatible PCs, but most UEFI implementations that are still in use today support legacy BIOS services using the Compatibility Support Module (CSM).