Linux

How To Use the Emacs Editor in Linux — step-by-step Linux tutorial on Progressive Robot

How To Use the Emacs Editor in Linux

In this article, we will see how we can install emacs in a Linux system and use it for basic text editing. Emacs is also available for graphical window managers for Linux like GNOME; however, we will only cover the “text based” version here.

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Oracle Linux 9 — LibRaw — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — LibRaw — vulnerability — patch and remediation guide (ELSA-2023-6343)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 November 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6343 Related CVEs: CVE-2021-32142 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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Como Instalar o Servidor Web Apache no CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Como Instalar o Servidor Web Apache no CentOS 8

O servidor HTTP Apache é o servidor Web mais amplamente usado no mundo. Ele fornece muitas características poderosas, incluindo módulos carregáveis dinamicamente, suporte robusto de mídia e uma integração extensa com outros softwares…

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Oracle Linux 8 — microcode_ctl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — microcode_ctl — vulnerability — patch and remediation guide (ELSA-2022-9508)

🟠 High   ⏱ 15–60 min  Last verified: 12 November 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9508 Related CVEs: CVE-2022-21123 CVE-2022-21127 CVE-2022-21125 CVE-2022-21166 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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SLES 12 — syslog-ng — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — syslog-ng — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 November 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:0319-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-38725 CVE-2020-8019 CVE-2011-0343 CVE-2011-1951 Upstream summary: An integer overflow in the RFC3164 parser in One Identity syslog-ng 3.0 through 3.37 allows remote attackers to cause […]

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Common Problems 114583

RHEL 9 auditd backlog warnings and dropped audit events

🟡 Medium   ⏱ 5–30 min  Last verified: 11 November 2022 📖 ~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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Common Problems 114913

RHEL 8 systemd service fails repeatedly after reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 11 November 2022 📖 ~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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Amazon Linux 2 — libksba — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libksba — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2041 Related CVEs: CVE-2022-47629 CVE-2022-3515 Upstream summary: Libksba before 1.6.3 is prone to an integer overflow vulnerability in the CRL signature parser. (CVE-2022-47629) Table of contents Symptom & Impact Environment […]

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

Debian 11 — pmount — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-2192 Upstream summary: The make_lockdir_name function in policy.c in pmount 0.9.18 allow local users to overwrite arbitrary files via a symlink attack on a file in /var/lock/. Table […]

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