IT, Cloud & DevOps Blog

Cómo manejar panics en Go — step-by-step Programming tutorial on Progressive Robot

Cómo manejar panics en Go

Los errores que un programa encuentra se dividen en dos categorías generales: los que el programador anticipa y los que no anticipa. La interfaz error que abarcamos en nuestros dos artículos anteriores sobre el [manejo de…

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How to Set a Hostname and FQDN on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set a Hostname and FQDN on RHEL 8

Setting a proper hostname and Fully Qualified Domain Name (FQDN) is one of the first configuration tasks on any new RHEL 8 server. A correct hostname ensures that system logs, email delivery, and network services identify your machine accurately. On RHEL 8, hostnamectl from systemd provides a clean, persistent way to manage hostname settings without […]

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Automatic Mixed Precision Using PyTorch — step-by-step AI And Machine Learning tutorial on Progressive Robot

Automatic Mixed Precision Using PyTorch

In this overview of Automatic Mixed Precision (AMP) training with PyTorch, we demonstrate how the technique works, walking step-by-step through the process of integrating AMP in code, and discuss more advanced applications of AMP techniques with code scaffolds to integrate your own code.

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Common Problems 113575

Windows Server 2012 R2 — NLB multicast mode conflicts with upstream switch ARP handling and causes packet loss — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 November 2019 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]

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openSUSE Tumbleweed — mpv — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — mpv — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2018-6360 Upstream summary: mpv through 0.28.0 allows remote attackers to execute arbitrary code via a crafted web site, because it reads HTML documents containing VIDEO […]

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FreeBSD 12 — hlstats — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — hlstats — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 November 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: hlstats — multiple cross site scripting vulnerabilities Related CVEs: CVE-2006-4454 CVE-2006-6780 CVE-2006-6781 CVE-2007-2812 Upstream summary: Kefka reports multiple cross site scripting vulnerabilities within hlstats. The vulnerabilities are caused due to […]

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MongoDB Java CRUD Example Tutorial — step-by-step Databases tutorial on Progressive Robot

MongoDB Java CRUD Example Tutorial

URL: https://www.progressiverobot.com/mongodb-java-crud-example-tutorial/ Welcome to MongoDB Java Example Tutorial. Earlier we learned [how to install MongoDB in Unix machines](/community/tutorials/install-mongodb-linux "How to install MongoDB on Unix/Linux Systems") and executed some commands from terminal. Today we will look into the MongoDB Java Driver features and how to perform common CRUD (Create, Read, Update, Delete) operations. MongoDB Java ![mongodb […]

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How To Set Up a Deis Cluster on the cloud provider — step-by-step DevOps tutorial on Progressive Robot

How To Set Up a Deis Cluster on the cloud provider

Deis is an open source private Platform as a Service (PaaS) that simplifies deploying and managing your applications on your own servers. By leveraging technologies such as Docker and CoreOS, Deis provides a workflow and scaling features that are similar to that of Heroku, on…

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