How To Use SFTP to Securely Transfer Files with a Remote Server
Learn how to use SFTP to securely transfer files to and from a remote server. Step-by-step examples, setup tips, and troubleshooting included.
How to Install MariaDB on Debian 9 (DEBIAN-9-2)
Introduction How to Install MariaDB on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch 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 9. This tutorial […]
How To Run Parse Server on Ubuntu 14.04
Parse is a Mobile Backend as a Service platform. In January of 2016, Parse announced that its hosted services would shut down within a year. In order to help its users transition away from the service, Parse has released an open source version of its backend, called Parse Server. This guide supplements the official documentation with instructions for installing the Parse Server module on an Ubuntu 14.04 system, such as a cloud servers.
How To Configure a Mail Server Using Postfix, Dovecot, MySQL, and SpamAssassin
In this tutorial we are going to configure a mail server using Postfix, Dovecot, MySQL, and SpamAssassin on Ubuntu 12.04.
Como configurar Apache Virtual Hosts no Ubuntu 16.04
O servidor web Apache é a forma mais popular de servir conteúdo web na Internet. Ele representa mais da metade de todos os websites ativos na Internet e é extremamente poderoso e flexível. O Apache divide suas funcionalidades e componentes em unidades individuais que podem…
Oracle Linux 8 — rsync security and — enhancement update — new behaviour and fixes (ELSA-2022-7793)
🟡 Medium ⏱ 10–30 min Last verified: 3 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-7793 Related CVEs: CVE-2022-37434 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Ubuntu 14.04 LTS NFS mounts return stale file handle
🟡 Medium ⏱ 5–30 min Last verified: 3 January 2021 Affected versions: 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 & […]
Ubuntu 20.04 Slow APT Downloads
🟡 Medium ⏱ 5–30 min Last verified: 3 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 […]
RHEL 7 Yum Transaction Test Error After Interrupted Upgrade
🟡 Medium ⏱ 5–30 min Last verified: 3 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 […]
Gentoo Linux — sys-fs/f2fs-tools — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202101-26 Related CVEs: CVE-2020-6104 CVE-2020-6105 CVE-2020-6106 CVE-2020-6107 CVE-2020-6108 Upstream summary: Multiple vulnerabilities have been discovered in f2fs-tools. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]
