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Ever wondered how to streamline the management and monitoring of virtual machines in your Proxmox environment? QEMU Guest Agent is a game-changer, offering tools that significantly enhance the way you interact with virtual systems. Let’s dive into how this tool can transform your setup. What Makes QEMU Guest Agent Indispensable? Setting Up QEMU Guest Agent […]

Automation of Disk Space Management in a Linux Environment In today’s digital world, where data is being accumulated in ever-increasing amounts, managing disk space has become a key aspect of maintaining operational efficiency in systems. In this article, I will present a script that automates the process of managing space on a remote disk mounted […]

Automatically Shutting Down Your Laptop at Low Battery Levels Maintaining long battery life and protecting data are crucial for laptop users. In this article, we’ll show you how to create a simple Bash script that automatically shuts down your laptop when the battery level falls below 20%. Additionally, you’ll learn how to set up a […]

Expanding disk space in Linux virtual machines is a key aspect of server system management. In this article, we show how to effectively increase disk space using LVM and fdisk tools, based on real system data. Preliminary Preparations Before making changes to partitions and volumes, it is important to check the current state of the […]

Managing Proxmox clusters can sometimes present technical difficulties, such as inconsistencies in cluster configuration or issues with restoring LXC containers. Finding and resolving these issues is crucial for maintaining the stability and performance of the virtualization environment. In this article, I present a detailed guide on how to diagnose and resolve an issue with an […]

During daily work with MySQL databases, specific challenges such as missing tables or errors related to the unrecognized database performance_schema can arise. These problems can significantly affect the performance and stability of database systems, and their diagnosis and resolution can often be complicated and time-consuming. To facilitate this task, I have created this guide, which […]

Ensure the following packages are installed to handle Kerberos authentication and mounting CIFS filesystems: Kerberos Ticket Initialization Initialize the Kerberos ticket with the following command: To verify the ticket’s validity and see details, use: Manual Resource Mounting To manually mount a CIFS resource, use the command below. Replace yourserver/yourresource and /your/mountpoint with the appropriate server […]

Virtualization servers based on Debian family systems, such as Proxmox, are often used in test environments where continuous availability is crucial. Sometimes these servers are installed on laptops, which serve as low-budget or portable solutions. However, the standard power management settings in laptops can lead to undesirable behaviors, such as sleeping or hibernating when the […]

Updated: 27 October 2026. This article replaces the old root-LVM shrinking procedure with an additional swap file. The earlier procedure included an incorrect assumption about shrinking XFS and should not be used as an operational guide. When a suitable local filesystem has enough free space, a swap file can add swap capacity without resizing partitions. […]

ERROR 1114: The table is full means that the storage engine cannot add data because a capacity limit has been reached. It does not identify which resource is exhausted. A full disk, an InnoDB tablespace limit and a user-created MEMORY table require different responses. Reviewed: 27 October 2026. The earlier version of this article recommended […]