July 2019 - Page 50 of 69

Objective-C Hello World Tutorial — step-by-step DevOps tutorial on Progressive Robot

Objective-C Hello World Tutorial

URL: https://www.progressiverobot.com/objective-c-hello-world-tutorial/ Since it has been conventional to begin a programming course with a program that writes the words “Hello world!” to the computer screen we'll begin this tutorial by getting started with the Developer Tools and then dive into the Hello World code. Overview of Objective-C Objective-C is the programming language that is used […]

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FreeBSD 12 — zsync — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — zsync — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: zlib — buffer overflow vulnerability Related CVEs: CVE-2005-2096 Upstream summary: Problem Description An error in the handling of corrupt compressed data streams can result in a buffer being overflowed. Impact […]

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How To Use the GitLab User Interface To Manage Projects — step-by-step DevOps tutorial on Progressive Robot

How To Use the GitLab User Interface To Manage Projects

GitLab is a great way to manage your git project repositories from a single machine. You can choose whether to make your projects private or public and which users have access to what repositories. In this guide, we will explore the GitLab interface so that you can comfortably use it for your git projects.

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How To Use Telepresence on Kubernetes for Rapid Development on MacOS — step-by-step Kubernetes tutorial on Progressive Robot

How To Use Telepresence on Kubernetes for Rapid Development on MacOS

Telepresence is a Cloud-Native Computing Foundation project for fast, efficient development on Kubernetes. Telepresence creates a bi-directional network connection between your Kubernetes cluster and your local workstation, which allows you to run your service locally, while you run the rest of your application in the cloud. In this tutorial, you’ll install and configure Telepresence to work with a Kubernetes cluster, and redirect traffic to that cluster to your local machine.

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How to Generate systemd Units for Podman Containers on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Generate systemd Units for Podman Containers on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying generate systemd units for podman containers both straightforward and auditable. This tutorial covers the complete procedure for how to Generate systemd Units for Podman Containers on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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FreeBSD 12 — kibana — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — kibana — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kibana4 — XSS vulnerability Related CVEs: CVE-2015-8131 Upstream summary: Elastic reports: Fixes XSS vulnerability (CVE pending) – Thanks to Vladimir Ivanov for responsibly reporting. Table of contents Symptom & Impact […]

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How To Use Built-In and Custom Directives in Vue.js — step-by-step Javascript tutorial on Progressive Robot

How To Use Built-In and Custom Directives in Vue.js

As a front-end framework, Vue.js borrows the prop-driven approach of React, but also uses directives, which were made popular by Angular. In this context, directives are reusable chunks of code or logic that allow you to manipulate your HTML in many different ways, such as conditionally rendering an element, connecting events to an element, or creating dynamic attributes that depend on your Vue code. This tutorial will cover v-if, v-show, v-on, v-bind, v-model, v-html, and custom directives.

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How To Install Moodle on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Moodle on Ubuntu 16.04

Moodle is a popular web-based learning management system (LMS) that is free for anyone to install and use. With Moodle, you create and deliver learning resources such as courses, readings, and discussion boards to groups of learners. Moodle also allows you to manage user…

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Debian 9 — util-linux — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — util-linux — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-7738 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Install Go 1.23 on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Go 1.23 on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying install go 1.23 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Go 1.23 on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites Before you begin, […]

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