June 2021 - Page 16 of 66

How To Install and Use ClickHouse on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use ClickHouse on CentOS 7

ClickHouse is an open-source, column-oriented analytics database created by Yandex for OLAP and big data use cases. In this tutorial, you’ll install the ClickHouse database server and client on your machine. You’ll use the DBMS for typical tasks and optionally enable remote access from another server so that you’ll be able to connect to the database from another machine.

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FreeBSD 13 — percona56-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — percona56-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL Server — Multiple vulerabilities Related CVEs: CVE-2015-4792 CVE-2015-4802 CVE-2015-4807 CVE-2015-4815 CVE-2015-4826 CVE-2015-4830 CVE-2015-4836 CVE-2015-4858  +12 more Upstream summary: Oracle reports: This Critical Patch Update contains 45 new security patches […]

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How to Install and Configure Nagios Core on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure Nagios Core on RHEL 8

Nagios Core is one of the most widely-deployed open-source IT infrastructure monitoring systems in the world, providing alerting and status dashboards for hosts, services, and network devices. On RHEL 8, installing Nagios Core from source gives you the latest release and full control over the build configuration. This tutorial walks through every step from prerequisite […]

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AlmaLinux 8 — mesa-demos — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — mesa-demos — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2020:4742 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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AlmaLinux 8 — source-highlight — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — source-highlight — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:1892 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Alpine Linux edge — klibc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — klibc — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.0.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — klibc 2.0.9-r0 Related CVEs: CVE-2021-31870 CVE-2021-31871 CVE-2021-31872 CVE-2021-31873 Upstream summary: Alpine community repository for vedge ships klibc 2.0.9-r0 which addresses CVE-2021-31870. Table of contents Symptom […]

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Oracle Linux 8 — kexec-tools security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kexec-tools security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-4404)

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4404 Related CVEs: CVE-2021-20269 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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openSUSE Tumbleweed — python38-sentry-sdk — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-sentry-sdk — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0005-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-44420 Upstream summary: In Django 2.2 before 2.2.25, 3.1 before 3.1.14, and 3.2 before 3.2.10, HTTP requests for URLs with trailing newlines could bypass upstream […]

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How to Configure Caddy Web Server on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Caddy Web Server on SLES 12

Introduction This tutorial covers How to Configure Caddy Web Server 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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