Red Hat Enterprise Linux 8 — webkit2gtk3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

July 19, 2026
Linux
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🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 8 📖 ~4 min read • Source: Red Hat advisory RHSA RHSA-2026:16056 Related CVEs: CVE-2025-43213 CVE-2025-43214 CVE-2025-43457 CVE-2025-43511 CVE-2025-46299 CVE-2026-20608 CVE-2026-20635 CVE-2026-20636 +12 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

How to Set Up a Private Docker Registry on Ubuntu 26.04

July 18, 2026
Linux
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A private Docker registry lets you store and distribute container images within your own infrastructure, avoiding Docker Hub rate limits and keeping proprietary images secure. This guide sets up a private Docker registry with TLS and basic authentication on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Docker […]

How to Configure Sudo Privileges on RHEL 10

July 18, 2026
Linux
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Introduction Setting up configure sudo privileges on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Sudo Privileges on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]

Amazon Linux 2023 — kernel-livepatch-6.1.166-197.305 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

July 18, 2026
Linux
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🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read • Source: Amazon Linux advisory ALAS2023LIVEPATCH-2026-147 Related CVEs: CVE-2026-43284 CVE-2026-31431 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags "Dirty Frag" and other […]

Ubuntu 26.04 LTS – Podman rootless containers fail with cgroup permission error – Fix & Prevention

July 18, 2026
Linux
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🟡 Medium ⏱ 5–30 min Last verified: 18 July 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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 […]

Amazon Linux 2023 — java-21-amazon-corretto — multiple vulnerabilities (20 CVEs) — patch and remediation guide

July 18, 2026
Linux
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🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read • Source: Amazon Linux advisory ALAS2023-2026-1683 Related CVEs: CVE-2026-22007 CVE-2026-22013 CVE-2026-22016 CVE-2026-22018 CVE-2026-22021 CVE-2026-34268 CVE-2026-34282 CVE-2026-21925 +12 more Upstream summary: Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product […]

openSUSE Tumbleweed — libleancrypto1 — vulnerability — patch and remediation guide

July 18, 2026
Linux
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🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2026-34610 Upstream summary: The leancrypto library is a cryptographic library that exclusively contains only PQC-resistant cryptographic algorithms. Prior to version 1.7.1, lc_x509_extract_name_segment() casts size_t vlen […]

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

July 18, 2026
Linux
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🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2024:0211-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-22189 CVE-2026-35480 CVE-2023-49295 Upstream summary: quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.42.0, an attacker can cause its peer […]

How to Set Up a Next.js 15 Application on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Jupyter Notebook on Ubuntu 26.04

July 18, 2026
Linux
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Jupyter Notebook is an open-source web application for creating interactive computational documents that combine live code, equations, visualisations, and markdown text. It is widely used for data science, machine learning, and scientific computing. This guide installs Jupyter Notebook on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Python […]

Red Hat Enterprise Linux 10 — corosync — multiple vulnerabilities (2 CVEs) — patch and remediation guide

July 18, 2026
Linux
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🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read • Source: Red Hat advisory RHSA RHSA-2026:19043 Related CVEs: CVE-2026-35091 CVE-2026-35092 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Linux

Red Hat Enterprise Linux 8 — webkit2gtk3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

How to Set Up a Private Docker Registry on Ubuntu 26.04

How to Configure Sudo Privileges on RHEL 10

Amazon Linux 2023 — kernel-livepatch-6.1.166-197.305 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

Ubuntu 26.04 LTS – Podman rootless containers fail with cgroup permission error – Fix & Prevention

Amazon Linux 2023 — java-21-amazon-corretto — multiple vulnerabilities (20 CVEs) — patch and remediation guide

openSUSE Tumbleweed — libleancrypto1 — vulnerability — patch and remediation guide

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

How to Install Jupyter Notebook on Ubuntu 26.04

Red Hat Enterprise Linux 10 — corosync — multiple vulnerabilities (2 CVEs) — patch and remediation guide

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