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Initial Server Setup with Rocky Linux 9 — step-by-step Linux tutorial on Progressive Robot

Initial Server Setup with Rocky Linux 9

When you first create a new Rocky Linux 9 server, there are a few configuration steps that you should take early on as part of the initial setup. This will increase the security and usability of your server and will give you a solid foundation to build on.

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openSUSE Tumbleweed — libvirglrenderer1 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libvirglrenderer1 — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0479-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-0135 CVE-2019-18389 CVE-2019-18391 CVE-2022-0175 CVE-2016-10214 CVE-2017-5937 CVE-2017-5957 CVE-2019-18388  +7 more Upstream summary: An out-of-bounds write issue was found in the VirGL virtual OpenGL renderer (virglrenderer). […]

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Debian 11 — latd — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — latd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-0251 Upstream summary: Stack-based buffer overflow in llogincircuit.cc in latd 1.25 through 1.30 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute […]

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How to Setup a K3s Kubernetes Cluster on Ubuntu 22.04 — step-by-step Kubernetes tutorial on Progressive Robot

How to Setup a K3s Kubernetes Cluster on Ubuntu 22.04

Introduction Kubernetes is among the industry-preferred tools for container orchestration. However, setting up a Kubernetes cluster from scratch could be a daunting task, requiring numerous configurations. Additionally, there are multiple ways to get started with setting up a Kubernetes cluster, but most of them could be time-consuming unless you aim to establish a production-grade cluster. […]

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How to Install Go 1.21 on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Go 1.21 on Debian 11

Introduction This guide explains how to Install Go 1.21 on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the standard […]

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Oracle Linux 8 — virt:ol and virt-devel:ol security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:ol and virt-devel:ol security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-4191)

🟡 Medium   ⏱ 10–30 min  Last verified: 2 August 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4191 Related CVEs: CVE-2020-15859 CVE-2021-3592 CVE-2021-3593 CVE-2021-3594 CVE-2021-3595 CVE-2021-3631 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 121654

Debian 9 – LVM thin pool reaches 100% and blocks writes

🔴 Critical   ⏱ 5–30 min  Last verified: 2 August 2022 Affected versions: Debian 9 📖 ~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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