In high-availability environments with multiple application nodes, the reverse proxy acts as a load balancer across backend servers. In these cases, managing a sticky session (or session affinity) is essential to keep the user bound to the same node throughout their session. Why Use Sticky Sessions? Prevents session loss in environments without centralized session stores…
Read more
Power Consumption Monitoring in the Data Center with SNMP and Cross-Platform Delphi Apps In our data center (CED), I developed a custom solution to monitor the power consumption of equipment, with the goal of improving energy efficiency, preventing overload, and optimizing resource usage. Why a custom system? My goal was twofold: To monitor energy consumption…
Read more
SSH Key Sharing Introduction In this article, we explore how to generate and share SSH keys securely and efficiently, comparing RSA 4096-bit and Ed25519 algorithms. Generating Strong Keys To create robust keys: # RSA 4096-bit key ssh-keygen -t rsa -b 4096 -C “you@example.com” # Ed25519 (256-bit) ssh-keygen -t ed25519 -C “you@example.com” RSA 4096: provides maximum…
Read more
Ranking and Comparative Table of Backup Systems in 2024 In today’s world, data security is essential for businesses and individuals alike. Here is a ranking of the most popular backup systems and a comparative table highlighting the key features of each system. Top 5 Backup Systems BorgBackup – Ideal for incremental and compressed backups. Veeam…
Read more
1. Installing BorgBackup BorgBackup can be installed on Linux, macOS, and other Unix-like systems. On Debian/Ubuntu sudo apt update sudo apt install borgbackup On RedHat/CentOS sudo yum install epel-release sudo yum install borgbackup On macOS with Homebrew brew install borgbackup On QNAP To install BorgBackup on QNAP, you need to use the QNAP QTS management…
Read more
In this article, we will see how to configure KVM to allow the transfer of SMBIOS information, such as UUID and serial numbers, to the Windows subsystem. This process is essential to ensure that the virtualized operating system can access the correct hardware information and perform operations that depend on this data. Prerequisites Before starting,…
Read more
