Linux

How To Interact with Data in ElasticSearch Using CRUD Operations — step-by-step Linux tutorial on Progressive Robot

How To Interact with Data in ElasticSearch Using CRUD Operations

ElasticSearch is a flexible search implementation that can be accessed and configured programmatically in order to build complex search features into your application or website. In this guide, we will discuss how to create, read, update, and delete data from ElasticSearch using simple HTTP requests.

Read more
Comment installer Node.js sur CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Comment installer Node.js sur CentOS 8

Node.js est un runtime JavaScript pour la programmation côté serveur. Il permet aux développeurs de créer des fonctionnalités d’arrière-plan évolutives en utilisant JavaScript, un langage que beaucoup connaissent déjà grâce au développement web par navigateur. Dans ce…

Read more
How to Configure Kerberos Authentication on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Kerberos Authentication on RHEL 9

Kerberos is a network authentication protocol that uses symmetric-key cryptography and a trusted third party — the Key Distribution Center (KDC) — to authenticate users and services without transmitting passwords over the network. RHEL 9 ships the MIT Kerberos implementation and it integrates tightly with SSH, NFS, and other network services through GSSAPI. This tutorial […]

Read more
Common Problems 118599

Ubuntu 16.04 LTS Chrony Not Syncing Due to Firewall Policy

🟡 Medium   ⏱ 5–30 min  Last verified: 21 October 2022 Affected versions: 16.04 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 & […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 21 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-24300 CVE-2022-24301 CVE-2022-35978 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
Gentoo Linux — sys-apps/systemd — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-apps/systemd — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202003-20 Related CVEs: CVE-2020-1712 CVE-2022-4415 CVE-2022-45873 CVE-2021-3997 CVE-2022-3821 CVE-2020-13529 CVE-2021-33910 Upstream summary: It was found that systemd incorrectly handled certain Polkit queries. Table of contents Symptom & Impact Environment & Reproduction Root […]

Read more
Common Problems 117047

Ubuntu 22.04 GNOME Login Loop After Graphics Stack Changes

🟡 Medium   ⏱ 5–30 min  Last verified: 21 October 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 […]

Read more
Debian 11 — kamailio — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — kamailio — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-7426 CVE-2015-1590 CVE-2015-1591 CVE-2016-2385 CVE-2018-14767 CVE-2018-16657 CVE-2018-8828 CVE-2020-27507  +7 more Upstream summary: Insecure Temporary file vulnerability in /tmp/kamailio_fifo in kamailio 4.0.1. Table of contents Symptom & Impact Environment […]

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

Debian 11 — json-c — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6370 CVE-2013-6371 CVE-2020-12762 CVE-2021-32292 Upstream summary: Buffer overflow in the printbuf APIs in json-c before 0.12 allows remote attackers to cause a denial of service via unspecified vectors. […]

Read more
Debian 11 — exempi — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — exempi — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-18233 CVE-2017-18234 CVE-2017-18235 CVE-2017-18236 CVE-2017-18237 CVE-2017-18238 CVE-2018-12648 CVE-2018-7728  +12 more Upstream summary: An issue was discovered in Exempi before 2.4.4. Integer overflow in the Chunk class in XMPFiles/source/FormatSupport/RIFF.cpp […]

Read more
CHAT