chris

How to Set Up a LEMP Stack on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a LEMP Stack on RHEL 7

How to Set Up a LEMP Stack on RHEL 7 A LEMP stack — Linux, Nginx, MySQL, and PHP — is one of the most common foundations for modern dynamic web applications. On RHEL 7 the individual components are available from a combination of the base repositories, the EPEL community repository, the official MySQL community […]

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FreeBSD 12 — vlc-devel — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — vlc-devel — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: vlc — arbitrary code execution in the RealMedia processor Related CVEs: CVE-2008-5032 CVE-2008-5036 CVE-2008-5276 Upstream summary: Tobias Klein from TrapKit reports: The VLC media player contains an integer overflow vulnerability […]

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Использование Journalctl для просмотра журналов Systemd и выполнения операций с ними — step-by-step DevOps tutorial on Progressive Robot

Использование Journalctl для просмотра журналов Systemd и выполнения операций с ними

Некоторые наиболее популярные преимущества systemd связаны с регистрацией процессов и систем. При использовании других систем журналы обычно распределяются по разным местам, обрабатываются различными демонами и инструментами, и их бывает сложно интерпретировать, когда…

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How To Harden the Security of Your Production Django Project — step-by-step Python tutorial on Progressive Robot

How To Harden the Security of Your Production Django Project

Developing a Django application can be a quick and clean experience, because its approach is flexible and scalable. Django also offers a variety of security-oriented settings that can help you seamlessly prepare your project for production. In this tutorial, you will leverage a security-oriented workflow for your Django development by implementing and configuring environment-based settings, dotENV, and Django’s built-in security settings.

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SLES 15 — unixODBC — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — unixODBC — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 September 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2011-1145 Upstream summary: The SQLDriverConnect() function in unixODBC before 2.2.14p2 have a possible buffer overflow condition when specifying a large value for SAVEFILE parameter in […]

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Как установить веб-сервер Apache в Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Как установить веб-сервер Apache в Ubuntu 18.04

HTTP сервер Apache является самым широко используемым веб-сервером в мире. Он предоставляет множество удобных функций включая динамически загружаемые модули, широкую поддержку мультимедиа, и интеграцию с другим популярным программным обеспечением. В этом руководстве мы…

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Oracle Linux 8 — libtirpc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libtirpc — vulnerability — patch and remediation guide (ELSA-2021-9449)

🟠 High   ⏱ 15–60 min  Last verified: 10 September 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9449 Related CVEs: CVE-2018-14621 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 118990

Ubuntu 14.04 LTS NTP Drift Causes Kerberos and SSL Failures

🟠 High   ⏱ 5–30 min  Last verified: 9 September 2019 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 & […]

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How to Install Icinga2 on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Icinga2 on Debian 9

Introduction This guide explains how to Install Icinga2 on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the standard repositories […]

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