February 2020 - Page 25 of 64

How to Adjust Background Image Opacity in CSS: Complete Guide (2025–2026) — step-by-step tutorial on Progressive Robot

How to Adjust Background Image Opacity in CSS: Complete Guide (2025–2026)

Adjust background image opacity in CSS is a common need when designing modern websites — whether you want a subtle hero image behind text, a faded banner for better readability, or a semi-transparent overlay for visual hierarchy. The challenge is that the CSS opacity property affects the entire element and all its children, making text or buttons fade too.

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Common Problems 121044

Debian 10: /var fills up due to systemd journal growth

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 10 📖 ~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 & […]

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How to Configure Trusted Execution on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Trusted Execution on IBM AIX 7.1

Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure trusted execution on ibm aix 7.1 on IBM […]

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Alpine Linux edge — iproute2 — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — iproute2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 5.1.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — iproute2 5.1.0-r0 Related CVEs: CVE-2019-20795 Upstream summary: Alpine main repository for vedge ships iproute2 5.1.0-r0 which addresses CVE-2019-20795. Table of contents Symptom & Impact Environment […]

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Como reiniciar seus aplicativos Node.js automaticamente com o nodemon — step-by-step DevOps tutorial on Progressive Robot

Como reiniciar seus aplicativos Node.js automaticamente com o nodemon

No Node.js, é necessário reiniciar o processo para fazer com que as alterações sejam ativadas. Isso adiciona um passo extra ao seu fluxo de trabalho para que as alterações sejam realizadas. É possível eliminar esse passo extra usando o nodemon para reiniciar o processo automaticamente. Neste artigo, você irá aprender sobre a instalação e configuração do nodemon.

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How to Set Up Nexus Repository Manager on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up Nexus Repository Manager on FreeBSD 12

Introduction Deploying set up nexus repository manager on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the […]

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openSUSE Tumbleweed — obex-data-server — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — obex-data-server — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2008:019 (see also SUSE bugzilla) Related CVEs: CVE-2008-2374 Upstream summary: src/sdp.c in bluez-libs 3.30 in BlueZ, and other bluez-libs before 3.34 and bluez-utils before 3.34 versions, does not validate string length fields […]

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Spring Boot @SpringBootApplication, SpringApplication Class — step-by-step DevOps tutorial on Progressive Robot

Spring Boot @SpringBootApplication, SpringApplication Class

URL: https://www.progressiverobot.com/springbootapplication-springapplication/ Spring Boot @SpringBootApplication Annotation Spring Boot @SpringBootApplication annotation is used to mark a configuration class that declares one or more @Bean methods and also triggers auto-configuration and component scanning. It's same as declaring a class with @Configuration, @EnableAutoConfiguration and @ComponentScan annotations. Spring Boot SpringApplication Class [Spring Boot](/community/tutorials/spring-boot-tutorial) SpringApplication class is used to bootstrap […]

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