Linux

How to Configure OpenDKIM with Postfix on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure OpenDKIM with Postfix on Debian 12

Introduction This guide explains how to Configure OpenDKIM with Postfix on Debian 12 on Debian 12 Bookworm. Debian Bookworm 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 12 install with the […]

Read more
Oracle Linux 9 — shim — bug fix update — issues resolved — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — shim — bug fix update — issues resolved (ELSA-2024-1903)

🟠 High   ⏱ 15–60 min  Last verified: 1 September 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1903 Related CVEs: CVE-2023-40551 CVE-2023-40548 CVE-2023-40549 CVE-2023-40546 CVE-2023-40550 CVE-2023-40547 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
How to Set Up a Flask Application on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up a Flask Application on CentOS Stream 9

Introduction Setting up set up a flask application on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up a Flask Application on CentOS Stream 9, with all the commands you need, the SELinux and firewalld […]

Read more
Common Problems 120064

Debian 12 SSH Public Key Authentication Fails

🟠 High   ⏱ 5–30 min  Last verified: 1 September 2023 Affected versions: Debian 12 📖 ~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 & […]

Read more
Debian 12 — libgssglue — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libgssglue — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-2709 Upstream summary: libgssapi and libgssglue before 0.4 do not properly check privileges, which allows local users to load untrusted configuration files and execute arbitrary code via the […]

Read more
Debian 12 — libcpan-checksums-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libcpan-checksums-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-16155 Upstream summary: The CPAN::Checksums package 2.12 for Perl does not uniquely define signed data. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

Read more
Debian 12 — jsoup — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — jsoup — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-6748 CVE-2021-37714 CVE-2022-36033 Upstream summary: Cross-site scripting (XSS) vulnerability in jsoup before 1.8.3. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

Read more
Debian 11 — traceroute — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — traceroute — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 September 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-46316 Upstream summary: In buc Traceroute 2.0.12 through 2.1.2 before 2.1.3, the wrapper scripts do not properly parse command lines. Table of contents Symptom & Impact Environment & […]

Read more
SLES 15 — libmfx1 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libmfx1 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 September 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:3198-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-22656 CVE-2023-45221 CVE-2023-47169 CVE-2023-47282 CVE-2023-48368 Upstream summary: Out-of-bounds read in Intel(R) Media SDK and some Intel(R) oneVPL software before version 23.3.5 may allow an authenticated […]

Read more
CHAT