August 2019 - Page 53 of 69

How To Set Up Apache Virtual Hosts on Ubuntu 12.04 LTS — step-by-step Linux tutorial on Progressive Robot

How To Set Up Apache Virtual Hosts on Ubuntu 12.04 LTS

This tutorial shows you how to set up a new directory, how to grant the correct permissions, how to add content to a new page, how to turn on virtual hosting, and how to, if needed, set up local hosts. Virtual Hosts are used to run more than one domain off of a single IP address and allows you to run multiple sites off of a single cloud servers. This tutorial describes how to set up virtual hosts with Apache.

Read more
How to Set Up WireGuard VPN on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up WireGuard VPN on RHEL 7

How to Set Up WireGuard VPN on RHEL 7 WireGuard is a modern, high-performance VPN protocol built directly into the Linux kernel (from 5.6 onward) and available as a DKMS module on older kernels like those shipped with RHEL 7. Compared to OpenVPN and IPsec, WireGuard has a dramatically smaller codebase, faster handshake times, and […]

Read more
How To Install Joomla on a Virtual Server Running CentOS 6 — step-by-step Linux tutorial on Progressive Robot

How To Install Joomla on a Virtual Server Running CentOS 6

This tutorials covers a basic joomla installation on a centos server. Joomla is a free and open source content management that uses a PHP and a backend database, such as MySQL. It offers a wide variety of features that make it an incredibly flexible content management system right out of the box. It was created in 2005 and is currently the 2nd most popular content management site online. It now has over 10,000 addons to customize its functionality.

Read more
Установка и обеспечение безопасности phpMyAdmin в Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Установка и обеспечение безопасности phpMyAdmin в Ubuntu 18.04

Предыдущая версия данного руководства была написана Бреннаном Бернсом. Хотя многим пользователям требуются функциональные возможности систем управления базами данных, например, MySQL, им может показаться неудобным…

Read more
Oracle Linux 8 — python3.11-pip — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python3.11-pip — vulnerability — patch and remediation guide (ELSA-2023-6914)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6914 Related CVEs: CVE-2007-4559 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Exception Handling in Java — step-by-step Programming tutorial on Progressive Robot

Exception Handling in Java

Introduction An _exception_ is an error event that can happen during the execution of a program and disrupts its normal flow. Java provides a robust and object-oriented way to handle exception scenarios known as Java Exception Handling. Exceptions in Java can arise from different kinds of situations such as wrong data entered by the user, […]

Read more
How to Create CSS Classes – CSS Tutorial 2025–2026

How to Create CSS Classes – CSS Tutorial 2025–2026

Learning how to create CSS classes is one of the most important and frequently used skills in any CSS tutorial — CSS classes let you apply the same styles to multiple HTML elements, group elements for specific styling, reuse code efficiently, and build clean, maintainable websites. Unlike tag selectors that style all instances of an element, CSS classes give you precise control — style one paragraph red, another yellow, or give special treatment to selected images, buttons, or sections.

Read more
openSUSE Tumbleweed — enscript — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — enscript — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2008:024 (see also SUSE bugzilla) Related CVEs: CVE-2008-3863 Upstream summary: Stack-based buffer overflow in the read_special_escape function in src/psgen.c in GNU Enscript 1.6.1 and 1.6.4 beta, when the -e (aka special escapes […]

Read more
Common Problems 114906

RHEL 8 systemctl Service Fails After Boot Due To Dependency Loop

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

Read more
CHAT