How To Log Into a VPS with PuTTY (Windows Users)
This tutorial will allow you to log Into a VPS with Putty (Windows Users).
Настройка удаленного доступа для MongoDB в Ubuntu 20.04
Предыдущая версия данного руководства была написана Мелиссой Андерсон. MongoDB (или Mongo) — это документоориентированная база данных с открытым исходным кодом, используемая во…
Hibernate Many To Many Mapping – Join Tables
Today we will look into Hibernate Many to Many Mapping using XML and annotation configurations. Earlier we looked how to implement [One To One](/community/tutorials/hibernate-one-to-one-mapping-example-annotation "Hibernate One to One Mapping") and [One To Many mapping](/community/tutorials/hibernate-one-to-many-mapping-annotation "Hibernate One To Many Mapping") in Hibernate. Hibernate Many to Many Many-to-Many mapping is usually implemented in database using a Join […]
How to Install Deno on RHEL 10
Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying install deno both straightforward and auditable. This tutorial covers the complete procedure for how to Install Deno on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites The procedure assumes you are […]
FreeBSD 12 — x11vnc — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: x11vnc — access to shared memory segments Related CVEs: CVE-2006-2450 CVE-2020-29074 Upstream summary: [email protected] reports: scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which allows access by actors other […]
Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2020-0339)
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-0339 Related CVEs: CVE-2019-14814 CVE-2019-14816 CVE-2019-14898 CVE-2019-14895 CVE-2019-17666 CVE-2019-19338 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Ubuntu 14.04 LTS – NFS mounts timeout during boot and delay services – Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 20 May 2026 Affected versions: Ubuntu 14.04 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 […]
RHEL 10 – HAProxy fails to start after package upgrade due to config deprecations
🟠 High ⏱ 5–30 min Last verified: 20 May 2026 Affected versions: RHEL 10 RHEL 10.0 RHEL 10.1 📖 ~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 & […]
Windows Server 2012 R2 – Just-in-Time admin elevation fails through PAM workflows – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 02 April 2027 Affected versions: Windows Server 2012 R2 📖 ~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 […]
Windows Server 2016 – Kerberos KRB_AP_ERR_MODIFIED and SPN duplication – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 01 April 2027 Affected versions: Windows Server 2016 📖 ~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 […]
