Articles with tag:Linux

.htaccess overview

Common configuration examples for the .htaccess file.Adding nginx modules on Linux

How to rebuild nginx with additional modules on Debian, Ubuntu, and CentOS.APT package manager

Overview and essential commands for Debian and Ubuntu.Changing the main MySQL version on the server with ISPmanager5

Instructions to change the basic version of MySQL on the server with the ISPmanager control panel Changing the SSH port on your server

How to move SSH off port 22 and reduce brute-force attack exposure.Clearing DNS сache on Windows, Linux, and macOS

Quick guide to flushing DNS cache for faster domain updates.Configuring Firewall in ISPmanager5

Firewall Configuration Guide in the ISPmanager Control Panel Creating an FTP account via SSH

How to set up a dedicated FTP user on your server without a control panel.Critical Linux kernel vulnerability CVE-2026-31431

How to check your server and mitigate the vulnerability in the Linux kernel cryptographic subsystem.Diagnostics of disk space on the server

How to control the disk space occupied by the server.Dirty Frag Vulnerability (CVE-2026-43284, CVE-2026-43500)

A critical Linux kernel vulnerability — here's what to do right now.DKIM + Exim on Ubuntu

How to configure DKIM on a server without a control panel.Essential Linux commands

A quick-reference guide for efficient terminal management.How to add a public SSH key to your server

Step-by-step guide to adding a public SSH key for secure server access.How to generate and add SSH keys to access the server

SSH Keys Manual.

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