Linux

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

Oracle Linux 8 — olcne — vulnerability — patch and remediation guide (ELSA-2022-9493)

🟠 High   ⏱ 15–60 min  Last verified: 29 September 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9493 Related CVEs: CVE-2021-3748 CVE-2022-26353 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
openSUSE Tumbleweed — go1.16 — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — go1.16 — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:1007-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-24921 CVE-2022-23772 CVE-2022-23806 CVE-2021-44716 CVE-2021-41771 CVE-2021-41772 CVE-2021-39293 CVE-2022-23773  +3 more Upstream summary: regexp.Compile in Go before 1.16.15 and 1.17.x before 1.17.8 allows stack exhaustion via […]

Read more
How To Upgrade to Ubuntu 22.04 Jammy Jellyfish — step-by-step Linux tutorial on Progressive Robot

How To Upgrade to Ubuntu 22.04 Jammy Jellyfish

The Ubuntu operating system’s latest Long Term Support (LTS) release, Ubuntu 22.04 (Focal Fossa), was released on April 21, 2020. This guide will explain how to upgrade an Ubuntu system of version 20.04 or later to Ubuntu 22.04.

Read more
How to Set Up pgBouncer Connection Pooler on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up pgBouncer Connection Pooler on Debian 11

Introduction Deploying set up pgbouncer connection pooler on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure […]

Read more
AlmaLinux 8 — numactl — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — numactl — 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-2021:4406 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 […]

Read more
Debian 11 — puppet-module-swift — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — puppet-module-swift — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-9590 Upstream summary: puppet-swift before versions 8.2.1, 9.4.4 is vulnerable to an information-disclosure in Red Hat OpenStack Platform director's installation of Object Storage (swift). During installation, the Puppet […]

Read more
Debian 11 — fscrypt — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — fscrypt — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-6558 CVE-2022-25326 CVE-2022-25327 CVE-2022-25328 Upstream summary: The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the values associated with the root […]

Read more
Common Problems 120695

Debian 11 Cron Job Not Running at Scheduled Time

🟡 Medium   ⏱ 5–30 min  Last verified: 28 September 2022 Affected versions: Debian 11 📖 ~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 11 — dogtag-pki — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — dogtag-pki — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-0234 CVE-2017-7537 CVE-2018-1080 CVE-2019-10146 CVE-2019-10178 CVE-2019-10179 CVE-2019-10180 CVE-2019-10221  +9 more Upstream summary: Multiple temporary file creation vulnerabilities in pki-core 10.2.0. Table of contents Symptom & Impact Environment & […]

Read more
AlmaLinux 8 — fence-virt — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — fence-virt — 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-2022:1803 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 […]

Read more
CHAT