Linux

How To Install WordPress with LEMP on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Install WordPress with LEMP on Ubuntu 16.04

WordPress is the most popular CMS (content management system) on the internet. It allows you to easily set up flexible blogs and websites on top of a MySQL backend with PHP processing. WordPress has seen incredible adoption and is a great choice for getting a website up and…

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How to Set Up iSCSI Storage on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up iSCSI Storage on RHEL 7

How to Set Up iSCSI Storage on RHEL 7 iSCSI (Internet Small Computer System Interface) is a block-level network storage protocol that transports SCSI commands over TCP/IP networks. It is widely used in enterprise environments to provide shared block storage without the cost of dedicated Fibre Channel hardware. RHEL 7 ships with full iSCSI support […]

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Common Problems 121023

Debian 10: DNS resolution breaks after resolv.conf overwrite

🟠 High   ⏱ 5–30 min  Last verified: 28 June 2020 Affected versions: Debian 10 📖 ~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 117408

Ubuntu 20.04 LTS – dist-upgrade aborts with held broken packages

🟠 High   ⏱ 5–30 min  Last verified: 28 June 2020 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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 […]

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Debian 10 — awl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — awl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 June 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-11728 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 — python36-mysql-connector-python — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-mysql-connector-python — 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-2020:0409-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-2435 Upstream summary: Vulnerability in the MySQL Connectors component of Oracle MySQL (subcomponent: Connector/Python). Supported versions that are affected are 8.0.13 and prior and 2.1.8 […]

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Debian 10 — simplesamlphp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — simplesamlphp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 June 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-3465 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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Ubuntu 14.04 — db5.3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — db5.3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 June 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4004-2 Related CVEs: CVE-2019-8457 CVE-2017-10140 Upstream summary: USN-4004-1 fixed a vulnerability in Berkeley DB. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered […]

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Ubuntu 14.04 — spice — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — spice — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 June 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4572-2 Related CVEs: CVE-2020-14355 CVE-2019-3813 CVE-2018-10873 CVE-2017-12194 CVE-2017-7506 CVE-2016-9577 CVE-2016-9578 CVE-2016-0749  +4 more Upstream summary: USN-4572-1 fixed a vulnerability in Spice. This update provides the corresponding update for Ubuntu 14.04 […]

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