Package Management

How to Install ClickHouse Columnar Database on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install ClickHouse Columnar Database on RHEL 8

ClickHouse is an open-source columnar database management system designed for real-time analytical queries over large datasets. Unlike row-oriented databases such as MySQL or PostgreSQL, ClickHouse stores data by column, allowing it to scan only the columns needed for a query and apply aggressive compression, resulting in query performance orders of magnitude faster for analytical workloads. […]

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FreeBSD 12 — ja-postgresql — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ja-postgresql — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: postgresql — encoding based SQL injection Related CVEs: CVE-2005-0227 CVE-2005-0244 CVE-2005-0245 CVE-2005-0246 CVE-2005-0247 CVE-2006-2313 CVE-2006-2314 Upstream summary: The PostgreSQL development team reports: An attacker able to submit crafted strings to […]

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How to Install Java on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Install Java on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to install java on ibm aix 7.2 on IBM AIX […]

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How to Configure Horizontal Pod Autoscaling on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Horizontal Pod Autoscaling on SLES 12

Introduction This tutorial covers How to Configure Horizontal Pod Autoscaling on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper […]

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

FreeBSD 12 — magento — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: magento — multiple vulnerabilities Related CVEs: CVE-2012-3363 Upstream summary: Magento, Inc. reports: SUPEE-6482 – This patch addresses two issues related to APIs and two cross-site scripting risks. SUPEE-6285 – This […]

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How to Enable SSL/TLS with Let's Encrypt on Apache2 on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Enable SSL/TLS with Let’s Encrypt on Apache2 on Debian 10

Introduction Deploying enable ssl/tls with let’s encrypt on apache2 on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. […]

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SLES 12 — csync2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — csync2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 January 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:14763-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-15522 CVE-2019-15523 Upstream summary: An issue was discovered in LINBIT csync2 through 2.0. csync_daemon_session in daemon.c neglects to force a failure of a hello command […]

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Oracle Linux 8 — libwebp — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libwebp — vulnerability — patch and remediation guide (ELSA-2021-4231)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 January 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4231 Related CVEs: CVE-2018-25014 CVE-2018-25010 CVE-2018-25013 CVE-2020-36331 CVE-2018-25012 CVE-2020-36332 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Set Up a Git Server with Gitea on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a Git Server with Gitea on RHEL 7

How to Set Up a Git Server with Gitea on RHEL 7 Gitea is a lightweight, self-hosted Git service written in Go. It provides a GitHub-style web interface for repository management, issue tracking, pull requests, webhooks, and user management — all from a single binary that consumes a fraction of the resources required by GitLab […]

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