Linux

How to Install Symfony on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Symfony on RHEL 7

How to Install Symfony on RHEL 7 Symfony is a mature, enterprise-grade PHP framework built around reusable components that power projects ranging from small APIs to large-scale e-commerce platforms. Many PHP projects, including Drupal, Laravel, and Magento, depend directly on Symfony components. Installing Symfony on RHEL 7 follows a similar pattern to other PHP frameworks: […]

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Common Problems 118419

Ubuntu 16.04 LTS Netplan Migration Error Leaves Host Offline

🟠 High   ⏱ 5–30 min  Last verified: 24 March 2020 Affected versions: 16.04 LTS 📖 ~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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Common Problems 115556

RHEL 7 service httpd Starts but Health Check Still Fails

🟠 High   ⏱ 5–30 min  Last verified: 24 March 2020 Affected versions: RHEL 7 📖 ~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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Amazon Linux 2 — mercurial — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — mercurial — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1328 Related CVEs: CVE-2019-8379 CVE-2019-8383 Upstream summary: An issue was discovered in AdvanceCOMP through 2.1. A NULL pointer dereference exists in the function be_uint32_read() located in endianrw.h. It can be […]

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

openSUSE Tumbleweed — archivemail — 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 Related CVEs: CVE-2006-4245 Upstream summary: archivemail 0.6.2 uses temporary files insecurely leading to a possible race condition. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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How to Set Up Minio Object Storage on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Minio Object Storage on Debian 10

Introduction This guide explains how to Set Up Minio Object Storage on Debian 10 on Debian 10 Buster. Debian Buster 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 10 install with […]

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openSUSE Tumbleweed — xmlgraphics-commons — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — xmlgraphics-commons — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:712-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-11988 Upstream summary: Apache XmlGraphics Commons 2.4 and earlier is vulnerable to server-side request forgery, caused by improper input validation by the XMPParser. By using […]

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openSUSE Tumbleweed — rdesktop — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — rdesktop — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:2135-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-20174 CVE-2018-20175 CVE-2018-20176 CVE-2018-20177 CVE-2018-20178 CVE-2018-20179 CVE-2018-20180 CVE-2018-20181  +12 more Upstream summary: rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the […]

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SLES 12 — hunspell — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — hunspell — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 March 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:2966-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-16707 Upstream summary: Hunspell 1.7.0 has an invalid read operation in SuggestMgr::leftcommonsubstring in suggestmgr.cxx. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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