Linux

How to Use Bacula for Enterprise Backup on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Use Bacula for Enterprise Backup on RHEL 8

Bacula is a mature, enterprise-class open-source backup solution that supports tape libraries, disk-based storage, and remote clients across heterogeneous environments. Its client-server architecture separates the Director (job scheduler and catalog manager), Storage Daemon (tape or file I/O), and File Daemon (agent running on each backed-up host), allowing you to scale from a single server to […]

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How to Configure FIPS 140-2 Mode on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure FIPS 140-2 Mode on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure fips 140-2 mode on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure FIPS 140-2 Mode on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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AlmaLinux 8 — watchdog — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — watchdog — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4379 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Oracle Linux 8 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2022-5819)

🟠 High   ⏱ 15–60 min  Last verified: 24 February 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5819 Related CVEs: CVE-2022-32250 CVE-2022-1012 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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Debian 11 — roaraudio — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — roaraudio — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-3363 Upstream summary: roarify in roaraudio 0.3 places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse shared library […]

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AlmaLinux 8 — sbd — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — sbd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1901 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 11 — python-django-registration — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-django-registration — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-21416 Upstream summary: django-registration is a user registration package for Django. The django-registration package provides tools for implementing user-account registration flows in the Django web framework. In django-registration […]

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

Debian 11 — unoconv — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-17400 Upstream summary: The unoconv package before 0.9 mishandles untrusted pathnames, leading to SSRF and local file inclusion. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 11 — slim — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — slim — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-1756 CVE-2010-2945 CVE-2013-4412 Upstream summary: SLiM Simple Login Manager 1.3.0 places the X authority magic cookie (mcookie) on the command line when invoking xauth from (1) app.cpp and […]

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openSUSE Tumbleweed — tmux — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — tmux — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:1834-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-27347 CVE-2022-47016 CVE-2018-19387 Upstream summary: In tmux before version 3.1c the function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by […]

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