November 2021 - Page 22 of 66

Debian 11 — apt-listchanges — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — apt-listchanges — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-0302 Upstream summary: Untrusted search path vulnerability in apt-listchanges.py in apt-listchanges before 2.82 allows local users to execute arbitrary code via a malicious apt-listchanges program in the current […]

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Debian 10 — nextcloud-desktop — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — nextcloud-desktop — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-22895 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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How to Install Lua on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Lua on Debian 9

Introduction How to Install Lua on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. This tutorial […]

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Debian 11 — rust-lock-api-0.1 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rust-lock-api-0.1 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-35910 CVE-2020-35911 CVE-2020-35912 CVE-2020-35913 CVE-2020-35914 Upstream summary: An issue was discovered in the lock_api crate before 0.4.2 for Rust. A data race can occur because of MappedMutexGuard unsoundness. […]

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Debian 11 — hawtjni — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — hawtjni — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2035 Upstream summary: Race condition in hawtjni-runtime/src/main/java/org/fusesource/hawtjni/runtime/Library.java in HawtJNI before 1.8, when a custom library path is not specified, allows local users to execute arbitrary Java code by […]

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How To Set Up Continuous Archiving and Perform Point-In-Time-Recovery with PostgreSQL 12 on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Continuous Archiving and Perform Point-In-Time-Recovery with PostgreSQL 12 on Ubuntu 20.04

One method PostgreSQL uses to maintain ACID properties is Write-Ahead Logging (WAL). For example, a secondary database cluster can use the archived WAL file for replication purposes, but you can also use the files to perform point-in-time-recovery (PITR). In this tutorial, you will set up continuous archiving with a PostgreSQL 12 cluster on Ubuntu 20.04 and perform PITR on the cluster.

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Debian 11 — curl — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — curl — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-1605 CVE-2005-0490 CVE-2005-3185 CVE-2005-4077 CVE-2006-1061 CVE-2007-3564 CVE-2009-0037 CVE-2009-2417  +12 more Upstream summary: curl 7.x before 7.10.7 sends CONNECT proxy credentials to the remote server. Table of contents Symptom […]

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How to Install and Use Fluentd for Log Aggregation on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Use Fluentd for Log Aggregation on RHEL 9

Fluentd is an open-source data collector that unifies log aggregation across your infrastructure, enabling you to collect, parse, transform, and forward logs to multiple destinations from a single configuration file. Maintained by the Cloud Native Computing Foundation (CNCF), it has become the industry standard for centralized log management in cloud-native environments. The Treasure Data distribution, […]

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