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How to Install MongoDB on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install MongoDB on Oracle Linux 8

Introduction This tutorial demonstrates how to Install MongoDB on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the default AppStream […]

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Monitoring for Distributed and Microservices Deployments — step-by-step Devops tutorial on Progressive Robot

Monitoring for Distributed and Microservices Deployments

In this guide, we will take a look at how monitoring and metrics collection changes for highly distributed architectures and microservices. The growing popularity of cloud computing, big data clusters, and instance orchestration layers has forced operations professionals to rethink how to design monitoring at scale and tackle unique problems with better instrumentation. We will talk about what makes new models of deployment different and what strategies can be used to meet these new demands.

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Ubuntu 18.04 — linux-gke-4.15 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-gke-4.15 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4749-1 Related CVEs: CVE-2020-25669 CVE-2020-27815 CVE-2020-27830 CVE-2020-28941 CVE-2020-29374 CVE-2020-29568 CVE-2020-29569 CVE-2020-29660  +12 more Upstream summary: Bodong Zhao discovered a use-after-free in the Sun keyboard driver implementation in the Linux kernel. […]

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SLES 15 — libbrotlidec1 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libbrotlidec1 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:611-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-8927 Upstream summary: A buffer overflow exists in the Brotli library versions prior to 1.0.8 where an attacker controlling the input length of a "one-shot" […]

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How To SSH Securely with Kryptonite on the cloud provider — step-by-step Linux tutorial on Progressive Robot

How To SSH Securely with Kryptonite on the cloud provider

SSH is the primary way of connecting to remote Linux servers. Securing this channel is essential to maintaining a secure infrastructure. Kryptonite is a secure solution to protecting your SSH private key. In this guide, you will generate an SSH key pair with Kryptonite on your phone, pair your phone with your local computer, and use Kryptonite to SSH into a cloud servers.

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How to Install Elasticsearch on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Elasticsearch on FreeBSD 12

Introduction Deploying install elasticsearch 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 standard base + […]

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Comment installer Git sur Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Comment installer Git sur Ubuntu 20.04

Les systèmes de contrôle version comme Git sont essentiels aux meilleures pratiques de développement logiciel moderne. Le versionnage vous permet de garder une trace de votre logiciel au niveau de la source. Vous pouvez suivre les modifications, revenir aux étapes précédentes…

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