IT, Cloud & DevOps Blog

How To Use Destructuring Assignment In JavaScript — step-by-step Javascript tutorial on Progressive Robot

How To Use Destructuring Assignment In JavaScript

JavaScript provides you with the ability to destructure objects and assign the individual units in one take. Destructuring means to unpack the values of objects or arrays into variables. At the end of this guide, you will see how to use it and what it can replace for you.

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How to Configure DNSSEC on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure DNSSEC on RHEL 7

How to Configure DNSSEC on RHEL 7 DNS Security Extensions (DNSSEC) add a layer of cryptographic verification to the Domain Name System, protecting users from cache poisoning attacks, man-in-the-middle redirects, and forged DNS responses. By digitally signing DNS zone data, DNSSEC allows resolvers to confirm that the records they receive are authentic and unmodified. This […]

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openSUSE Tumbleweed — gd — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — gd — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2007:044 (see also SUSE bugzilla) Related CVEs: CVE-2007-2756 CVE-2016-10166 CVE-2016-10168 CVE-2016-5116 CVE-2016-5766 CVE-2016-6128 CVE-2016-6132 CVE-2016-6207  +12 more Upstream summary: The gdPngReadData function in libgd 2.0.34 allows user-assisted attackers to cause a denial […]

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SLES 15 — pam_ssh — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — pam_ssh — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 August 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2009-1273 Upstream summary: pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the […]

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Common Problems 117903

Ubuntu 18.04 LTS stuck in emergency mode after filesystem errors

🟡 Medium   ⏱ 5–30 min  Last verified: 28 August 2019 📖 ~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 117896

Ubuntu 18.04 LTS – apt update fails with NO_PUBKEY for third-party repository – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 28 August 2019 Affected versions: Ubuntu 18.04 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 […]

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FreeBSD 12 — zathura-pdf-mupdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — zathura-pdf-mupdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mupdf — multiple vulnerabilities Related CVEs: CVE-2016-6265 CVE-2016-6525 Upstream summary: Tobias Kortkamp reports: Heap-based buffer overflow in the pdf_load_mesh_params function in pdf/pdf-shade.c in MuPDF allows remote attackers to cause a […]

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