Knowledge Base

Found Knowledge Base articles
How to disable root access via SSH and create a secure user in Ubuntu 24.04
Automating updates: configuring unattended-upgrades on Debian 12
Installing Amnezia VPN on VPS: Complete Guide
Using SSH to connect to a remote server
Configuring authorization by SSH keys on a Linux server
Managing packages in Ubuntu and Debian with apt-get and apt-cache
How to work with bash history in Linux
How to create, modify or delete a user in Ubuntu 24.04
Obtaining a Let's Encrypt SSL certificate in Ubuntu with Certbot
Installing Node.js on Debian and Ubuntu
How to determine the Nginx version
Configuring Fail2ban in Debian/Ubuntu
How to repair corrupted tables in MySQL
How to install MySQL on Ubuntu 22.04
How to allow remote access to MySQL
Creating a MySQL user and setting permissions
Cleaning up Docker - deleting images, containers and volumes
What is Debian - history, repositories, versions and development branches
Linux Ubuntu - what it is, overview and features
How to install Memcached on Ubuntu 22.04
User management in Linux
Linux file types and file systems
Disk space analysis: ncdu, du
How to use docker-compose with Podman in Linux
How to restrict a user in Shell (SSH terminal) to a specific directory
How to clear the site cache in the browser
Two-step authentication in ISPmanager
Intel processors vulnerable to Indirector attack
Vulnerability in OpenSSH. CVE-2024-6387
Why is Email validation necessary?