Debian

Debian 9 — postgresql-9.6 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — postgresql-9.6 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 April 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-15098 CVE-2017-7546 CVE-2018-10915 CVE-2019-10130 CVE-2019-10208 CVE-2020-1720 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 121142

Debian 10 – software RAID array stays degraded and rebuild does not start

🔴 Critical   ⏱ 5–30 min  Last verified: 11 April 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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Debian 10 — libreoffice — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libreoffice — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 April 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-9848 CVE-2019-9850 CVE-2019-9854 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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How To Set Filesystem Quotas on Debian 10 — step-by-step Linux tutorial on Progressive Robot

How To Set Filesystem Quotas on Debian 10

Quotas are used to limit the amount of disk space a user or group can use on a filesystem. Without such limits, a user could fill up the machine’s disk and cause problems for other users and services. In this tutorial we will install command line tools to create and inspect disk quotas, then set a quota for an example user.

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Common Problems 121064

Debian 10: Nginx cannot bind to port 80

🟠 High   ⏱ 5–30 min  Last verified: 9 April 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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How To Use HAProxy to Set Up MySQL Load Balancing — step-by-step Linux tutorial on Progressive Robot

How To Use HAProxy to Set Up MySQL Load Balancing

HAProxy is an open source software which can load balance HTTP and TCP servers. In the previous article on HAProxy we configured load balancing for HTTP and in this one we’ll do the same for MySQL. All your MySQL servers have to be configured to perform Master-Master replication as load balancing involves both reading and writing to all the backends.

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Common Problems 121185

Debian 10 Firewall Rules Block Required Service Ports

🟠 High   ⏱ 5–30 min  Last verified: 8 April 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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Debian 10 — ruby-redcarpet — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ruby-redcarpet — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 April 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-26298 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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Debian 10 — pdns-recursor — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — pdns-recursor — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 April 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-10995 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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Common Problems 120984

Debian 10 – dpkg was interrupted and package configuration is incomplete

🟠 High   ⏱ 5–30 min  Last verified: 7 April 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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