Linux

How to Configure Multipath I/O on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Multipath I/O on Debian 10

Introduction How to Configure Multipath I/O on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. This […]

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How To Install CouchDB from Source on a CentOS 6 x64 VPS — step-by-step Linux tutorial on Progressive Robot

How To Install CouchDB from Source on a CentOS 6 x64 VPS

CouchDB is a NoSQL database developed by The Apache Software Foundation that “uses JSON for documents, JavaScript for MapReduce queries, and regular HTTP for an API”. Often called “a database that completely embraces the web”, it’s used by many startups as well as corporations due to its flexibility and scalability.

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Oracle Linux 8 — pki-core:10.6 and pki-deps:10.6 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — pki-core:10.6 and pki-deps:10.6 — vulnerability — patch and remediation guide (ELSA-2024-3061)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3061 Related CVEs: CVE-2020-36518 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 118414

Ubuntu 16.04 LTS SSH login denied with Permission denied (publickey)

🟠 High   ⏱ 5–30 min  Last verified: 7 September 2020 Affected versions: 16.04 📖 ~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 […]

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How to Install Terraform on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Terraform on Debian 10

Introduction Deploying install terraform on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will need a […]

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SLES 12 — gsl — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — gsl — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 September 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3527-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-35357 Upstream summary: A buffer overflow can occur when calculating the quantile value using the Statistics Library of GSL (GNU Scientific Library), versions 2.5 and […]

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Oracle Linux 8 — ELSA-2020-5620-1: postgresql:12 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ELSA-2020-5620-1: postgresql:12 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5620-1 Related CVEs: CVE-2020-14350 CVE-2020-14349 CVE-2020-25694 CVE-2020-1720 CVE-2020-25696 CVE-2020-25695 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Использование ps, kill и nice для управления процессами в Linux — step-by-step Linux tutorial on Progressive Robot

Использование ps, kill и nice для управления процессами в Linux

Управление процессами — необходимый навык при работе с любыми компьютерными системами. Особенно он актуален при управлении серверной средой. В этой статье мы покажем несколько мощных инструментов, которые можно использовать для управления процессами в системах Linux.

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