2021 - Page 727 of 759

How To Configure ProFTPd To Use SFTP Instead of FTP — step-by-step Linux tutorial on Progressive Robot

How To Configure ProFTPd To Use SFTP Instead of FTP

ProFTPd is a popular FTP server for transferring files between your local computer and server. However, FTP as a protocol is very insecure. In this guide, we will show you how to configure ProFTPd to use SFTP, a secure alternative, instead of FTP.

Read more
Arch Linux — ark — multiple vulnerabilities (2 CVEs) — patch and remediation guide

Arch Linux — ark — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202009-2 Related CVEs: CVE-2020-24654 CVE-2017-5330 Upstream summary: Type: arbitrary filesystem access. Status: Fixed. Affected: 20.08.0-1. Fixed in: 20.08.0-2. Group: AVG-1216. Table of contents Symptom & Impact Environment & Reproduction Root […]

Read more
Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2021-9474)

🟠 High   ⏱ 15–60 min  Last verified: 17 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9474 Related CVEs: CVE-2021-3743 CVE-2021-40490 CVE-2021-3739 CVE-2021-37159 CVE-2021-38198 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

Read more
Getting Started with The Yii PHP Framework - Part 2 — step-by-step Linux tutorial on Progressive Robot

Getting Started with The Yii PHP Framework – Part 2

In this tutorial, we continue what we started last time when we installed the Yii framework on the VPS and created our first application. We will go ahead and use some of the code generation tools provided by Yii to set up a first model for our data, generate the code for the CRUD operations, and take a look at how a typical Yii application workflow works.

Read more
IBM AIX 7.1 — CVE-2020-4762 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2020-4762 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 17 January 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2020-4762, IBM Support Bulletin CVE: CVE-2020-4762 NVD summary: IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 5.2.6.5_2, 6.0.0.0 through 6.0.3.2, and 6.1.0.0 could allow an authenticated user to create a privileged account […]

Read more
¿Cómo instalar Linux, Apache, MySQL, PHP (LAMP) en Ubuntu 14.04? — step-by-step Linux tutorial on Progressive Robot

¿Cómo instalar Linux, Apache, MySQL, PHP (LAMP) en Ubuntu 14.04?

Se denomina “LAMP” a un grupo de software de código libre que se instala normalmente en conjunto para habilitar un servidor para alojar sitios y aplicaciones web dinámicas. Este término en realidad es un acrónimo que representa un sistema operativo Linux con un servior Apache, el sitio de datos es almacenado en base de datos MySQL y el contenido dinámico es procesado con PHP.

Read more
Common Problems 125104

Oracle Linux 8 – Common Problem 014 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 16 January 2021 Affected versions: Oracle Linux 8 📖 ~3 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
Alpine Linux edge — cpio — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — cpio — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.13-r2 📖 ~4 min read  •  Source: Alpine secdb entry — cpio 2.13-r2 Related CVEs: CVE-2021-38185 CVE-2015-1197 CVE-2019-14866 CVE-2016-2037 Upstream summary: Alpine community repository for vedge ships cpio 2.13-r2 which addresses CVE-2021-38185. Table of contents Symptom […]

Read more
Common Problems 119148

Locale Misconfiguration Produces perl Warnings on Ubuntu 14.04

🟡 Medium   ⏱ 5–30 min  Last verified: 16 January 2021 📖 ~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
Common Problems 115473

RHEL 7 – Incorrect fstab Entry Sends Host to Emergency Mode

🟡 Medium   ⏱ 5–30 min  Last verified: 16 January 2021 📖 ~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
CHAT