2024 - CWH Blog

How to fix the Docker and UFW security flaw

It has been discovered that Docker doesn't always honor UFW rules. If you use Docker on Linux, chances are your system firewall might be relegated to Uncomplicated Firewall (UFW). If…

System Administrator June 24, 2024

Security

Automatic Updates on AlmaLinux 9

Installation and Configuration of DNF-Automatic To begin, you need to install the dnf-automatic package. You can do this by executing the following command: sudo dnf install dnf-automatic Once installed, it's…

System Administrator June 9, 2024

Security

Set up automatic unattended updates for Ubuntu 20.04

The Linux server security is indeed an essential task for sysadmins. One of the most fundamental ways to keep the Ubuntu server secure is by installing security updates on time…

System Administrator May 19, 2024

Bugs/Error Message

AlmaLinux dnf update error: GPG check failed

Solving AlmaLinux GPG Check Failed Error When installing packages on AlmaLinux, if you run into a “GPG check failed” problem, it means that the available GPG keys were unable to…

System Administrator February 27, 2024

Bugs/Error Message

TERM environment variable not set

It means that the variable TERM is not set for the whole environment, but it is available locally for root user. To fix this we need to make the variable…

System Administrator February 23, 2024

How to install Mailcow

Mailcow: dockerized is an open source groupware/email suite based on docker. mailcow relies on many well known and long used components, which in combination result in an all around carefree…

System Administrator February 18, 2024

Control Panel

How to install Froxlor

Install froxlor on Debian/Ubuntu using apt froxlor provides packages for Debian and Ubuntu systems via its own repository. 0. Supported distribution versions and recommendations Packages will be built for all…

System Administrator February 17, 2024

Control Panel

How to install Sentora

In this tutorial, we will demonstrate how to install Sentora in a Ubuntu server. Features Sentora has many features like: Multi-client environment: Sentora is designed to host and manage multiple clients…

System Administrator February 17, 2024

Control Panel

How to install Ajenti

This article explains the installation of Ajenti Control Panel on Rocky Linux 8 / CentOS 8. Ajenti Control panel is a free, open-source, lightweight, web-based Graphics User Interface control panel…

System Administrator February 17, 2024

Control Panel

How to install CloudPanel

In this guide we explore the installation and configuration of CloudPanel Control Panel on Ubuntu 22.04. CloudPanel is a server management control panel designed to be fast, easy to use…

System Administrator February 15, 2024