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The ISPConfig update script is an easy way to update an ISPConfig 3 installation. If you want to make a manual backup of ISPConfig, see the instructions at the end of the article. This tutorial applies to ISPConfig 3.2, ISPConfig 3.3, and also ISPConfig 3.3.0p3 To update ISPConfig...

I've solved this error with PBS Client in Debian 13 (Trixie): Code: Warning: OpenPGP signature verification failed: http://download.proxmox.com/debian/pbs-client trixie InRelease: Sub-process /usr/bin/sqv returned an error code (1), error message is: Missing key 24B30F06ECC1836A4E5EFECBA7BCD1420BFE778E, which is needed to verify signature. This way:First, update the repo /etc/apt/sources.list.d/pbs-client.list (or whatever your repo is...

Managing a server can be a daunting task, especially for those who are not well-versed in command-line interfaces. Fortunately, control panels like aaPanel simplify this process significantly. This article provides a comprehensive guide on how to install aaPanel on Ubuntu 24.04 LTS, ensuring you have a powerful...

Introduction Any service that is exposed to the Internet is at risk of malware attacks. For example, if you are running a service on a publicly available network, attackers can use brute-force attempts to sign in to your account. Fail2ban is a tool that helps protect your Linux machine...

Introduction Are you searching for a step-by-step guide to install Webmin on Debian 12? This simple tutorial is for you! Webmin is a free, open-source web-based control panel that simplifies Linux server management right from your browser. Its intuitive dashboard lets you handle various configurations, including user accounts, disk...

The main task of a Linux system administrator revolves around monitoring the Linux system hardware and software, performing installations and upgrades while maintaining all the essential services and applications. In many scenarios, these activities are executed via the command line. This is mainly because the command line(server...

In our previous guides, we saw how one can install and configure iRedMail Server. The default installation of iRedMail generates and install a self-signed SSL certificate for Mails services – POP3/IMAP/SMTP over TLS and for HTTPS access to webmail services. When using a self-signed certificate, you’ll often get...

/etc/apt/sources.list entries for every Debian release since Wheezy, including archived releases Debian uses APT as package installation and update manager. This also applies to a distribution (release) upgrade. Usually not much changes in the APT configuration, except the code name. But sometimes, the /etc/apt/sources.list file needs some adjustments...

In this article, we will see How to restart Network Interface in Debian and Ubuntu. We can restart the networking service in Linux using various command. Use the following commands as per your Linux distribution to restart the networking service. You must run the command as root...

What is iRedMail? iRedMail is a shell script that automatically installs and configures all necessary mail server components on your Linux/BSD server, thus eliminating manual installation and configuration. With iRedMail, you can easily create unlimited mailboxes and unlimited mail domains in a web-based admin panel. Mailboxes can be...

When using a traditional you need to install the operating system on a physical machine for evaluating software that cannot be installed on your current operating system. Oracle VirtualBox is what you need in this case, instead of reinstalling software on your physical machine. VirtualBox is designed...

To configure a static IP address on Ubuntu Server 24.10, follow these simple steps. Step 1 : Update and Install net-tools First, update your server and install the net-tools package, which includes essential networking utilities like ifconfig. sudo apt update sudo apt install net-tools Step 2 : Check Ethernet Interfaces Use the ifconfig...