July 2020 - Page 15 of 69

Recommended Steps For New FreeBSD 12.0 Servers — step-by-step Linux tutorial on Progressive Robot

Recommended Steps For New FreeBSD 12.0 Servers

When setting up a new FreeBSD server, there are a number of optional steps you can take to get your server into a more production-friendly state. In this guide, we will go over some of the most common examples. We will cover how to create a firewall that denies most traffic, ensure that your server’s time zone accurately reflects its location, and set up NTP polling to keep the server’s time accurate. Finally, we will demonstrate how to add some extra swap space to your server.

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How To Use Cron to Automate Tasks on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Use Cron to Automate Tasks on Ubuntu 18.04

Cron is a time-based job scheduling daemon found in Unix-like operating systems, including Linux distributions. This guide provides an overview of how to schedule tasks using cron’s special syntax on a machine running Ubuntu 18.04. It also goes over a few shortcuts one can use to make job schedules easier to write and understand.

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Ubuntu 20.04 — pcre3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — pcre3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5425-1 Related CVEs: CVE-2019-20838 CVE-2020-14155 Upstream summary: Yunho Kim discovered that PCRE incorrectly handled memory when handling certain regular expressions. An attacker could possibly use this issue to cause applications […]

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SLES 15 — bubblewrap — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — bubblewrap — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2020-5291 CVE-2019-12439 Upstream summary: Bubblewrap (bwrap) before version 0.4.1, if installed in setuid mode and the kernel supports unprivileged user namespaces, then the `bwrap –userns2` […]

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How to Install WooCommerce on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Install WooCommerce on SLES 15

Introduction This tutorial covers How to Install WooCommerce on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper refresh && […]

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Установка Composer в Ubuntu 20.04 [Краткое руководство] — step-by-step Linux tutorial on Progressive Robot

Установка Composer в Ubuntu 20.04 [Краткое руководство]

В этом кратком руководстве мы расскажем об установке Composer на сервере под управлением Ubuntu 20.04. Более детальный вариант настоящего руководства с подробным разъяснениями каждого шага можно найти в [статье «Установка и настройка Composer в Ubuntu…

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Экосистема Docker: обнаружение сервисов (Service Discovery) и распределённые хранилища конфигураций (Distributed Con — Docker tutorial on Progressive Robot

Экосистема Docker: обнаружение сервисов (Service Discovery) и распределённые хранилища конфигураций (Distributed Configuration Stores)

Этот туториал является 3-ой частью из 5-ти в серии статей Экосистема Docker. Контейнеры предоставляют элегантное решение для тех, кто собирается проектировать и разворачивать масштабируемые приложения. В то время, как Docker реализует технологию…

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