Como Instalar e Usar o Docker no Ubuntu 18.04
Uma versão anterior deste tutorial foi escrita por finid. O Docker é uma aplicação que simplifica a maneira de gerenciar processos de aplicativos em containers. Os containers lhe permitem…
Checkpointing in TensorFlow
Follow this guide to learn how to directly monitor and checkpoint your models during the training process!
High-Availability Architecture: 9 Proven Uptime Wins
High-availability architecture for zero-downtime operations connects business uptime goals, redundancy, data protection, traffic routing, safe deployments, autoscaling, observability, and failure drills.
How to Use tmux for Terminal Multiplexing on RHEL 9
Terminal multiplexing solves one of the most common problems in server administration: when your SSH connection drops mid-task, any running process in that session is killed. With tmux, your terminal sessions run inside a server-side process that persists independently of your SSH connection. You can detach from a session, disconnect, reconnect hours later from a […]
Oracle Linux 8 — postgresql:10 — security and stability fixes — required update (ELSA-2020-3669)
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-3669 Related CVEs: CVE-2019-10164 CVE-2019-10208 CVE-2020-14350 CVE-2019-10130 CVE-2020-14349 CVE-2020-1720 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2020-5237)
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-5237 Related CVEs: CVE-2020-26951 CVE-2020-26953 CVE-2020-26965 CVE-2020-26968 CVE-2020-16012 CVE-2020-26960 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Debian 9 – PostgreSQL Fails Because WAL Partition Is Full – Immediate Recovery
🔴 Critical ⏱ 5–30 min Last verified: 20 May 2026 Affected versions: Debian 9 📖 ~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 7 NFS mount fails during boot because network dependency ordering is wrong
🟠 High ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: RHEL 7 📖 ~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 8 NetworkManager Service Fails to Start at Boot
🟠 High ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: 8.5 8.6 8.7 8.8 8.9 8.10 📖 ~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 – Windows Defender false positive blocking app – Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 01 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 […]
