2020 - Page 20 of 735

Настройка ключей SSH в Debian 9 — step-by-step Linux tutorial on Progressive Robot

Настройка ключей SSH в Debian 9

SSH или защищенная оболочка — это шифрованный протокол, используемый для администриования и связи с серверами. При работе с сервером Debian вы проведете больше всего времени в сеансах терминала с подключением к серверу через SSH. В этом обучающем модуле мы расскажем о настройке…

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How To Migrate from FirewallD to Iptables on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Migrate from FirewallD to Iptables on CentOS 7

Like most other Linux distributions, CentOS 7 uses the netfilter framework inside the Linux kernel in order to access packets that flow through the network stack. This provides the necessary interface to inspect and manipulate packets in order to implement a firewall…

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Oracle Linux 8 — httpd:2.4 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — httpd:2.4 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4751)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 December 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4751 Related CVEs: CVE-2019-10082 CVE-2018-17189 CVE-2020-1927 CVE-2019-10081 CVE-2019-10097 CVE-2019-10092 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 121681

Debian 9 – Fail2ban Not Banning with nftables Backend – Jail Action Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 21 December 2020 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 & […]

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Common Problems 112604

Windows Server 2019 — RID master pool exhaustion approaching: new objects refused soon — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 December 2020 Affected versions: Windows Server 2019 📖 ~2 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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How to Set Up Terraform on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Terraform on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying set up terraform on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Terraform on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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