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FreeBSD 13 — bash-static — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — bash-static — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: bash — remote code execution Related CVEs: CVE-2014-6271 CVE-2014-6277 CVE-2014-6278 CVE-2014-7169 CVE-2014-7186 CVE-2014-7187 Upstream summary: Note that this is different than the public "Shellshock" issue. Specially crafted environment variables could […]

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Common Problems 117636

Ubuntu 20.04 LTS – unattended-upgrades stuck with pending reboot required

🟡 Medium   ⏱ 5–30 min  Last verified: 22 July 2021 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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FreeBSD 13 — dcraw — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — dcraw — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dcraw — integer overflow condition Related CVEs: CVE-2015-3885 Upstream summary: ocert reports: The dcraw tool, as well as several other projects re-using its code, suffers from an integer overflow condition […]

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How to Back Up PostgreSQL with pg_dump on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Back Up PostgreSQL with pg_dump on FreeBSD 13

Introduction This guide explains how to Back Up PostgreSQL with pg_dump on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for […]

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Common Problems 115478

RHEL 7 Network Service Restart Breaks Static Route

🟡 Medium   ⏱ 5–30 min  Last verified: 22 July 2021 📖 ~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 & Cross-Refs References & Further […]

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FreeBSD 13 — squirrelmail-multilogin-plugin — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — squirrelmail-multilogin-plugin — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: SquirrelMail — Plug-ins compromise Upstream summary: Problem Description: The SquirrelMail Web Server has been compromised, and three plugins are affected. The port of squirrelmail-sasql-plugin is safe (right MD5), and change_pass […]

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Ubuntu 20.04 — re2c — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — re2c — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 July 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4338-2 Related CVEs: CVE-2020-11958 Upstream summary: USN-4338-1 fixed vulnerabilities in re2c. This update provides the corresponding update for Ubuntu 20.04 LTS. Original advisory details: Agostino Sarubbo discovered that re2c incorrectly […]

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Common Problems 112920

Windows Server 2016 — Server remains stuck in Safe Mode on every restart — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 22 July 2021 Affected versions: Windows Server 2016 📖 ~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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Oracle Linux 8 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2021-3755)

🟠 High   ⏱ 15–60 min  Last verified: 22 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3755 Related CVEs: CVE-2021-38498 CVE-2021-32810 CVE-2021-38497 CVE-2021-38496 CVE-2021-38501 CVE-2021-38500 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Spring RestTemplate Example — step-by-step DevOps tutorial on Progressive Robot

Spring RestTemplate Example

URL: https://www.progressiverobot.com/spring-resttemplate-example/ Spring RestTemplate provides a convenient way to test [RESTful web services](/community/tutorials/spring-rest-example-tutorial-spring-restful-web-services). Spring RestTemplate Spring RestTemplate class is part of spring-web, introduced in Spring 3. We can use RestTemplate to test HTTP based restful web services, it doesn't support HTTPS protocol. RestTemplate class provides [overloaded](/community/tutorials/method-overloading-in-java) methods for different HTTP methods, such as GET, POST, […]

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