February 2021 - Page 13 of 62

Ubuntu 18.04 — nettle — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — nettle — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4990-1 Related CVEs: CVE-2018-16869 CVE-2021-3580 CVE-2021-20305 Upstream summary: It was discovered that Nettle incorrectly handled RSA decryption. A remote attacker could possibly use this issue to cause Nettle to crash, […]

Read more
How to Set Up System State Backup and Bare Metal Recovery on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up System State Backup and Bare Metal Recovery on Windows Server 2019

Introduction to System State Backup and Bare Metal Recovery System State Backup and Bare Metal Recovery (BMR) are two of the most critical recovery capabilities for Windows Server 2019. A system state backup captures the minimal set of OS components required to recover a server’s role configuration: the Windows Registry, COM+ Class Registration Database, boot […]

Read more
Ubuntu 18.04 — linuxptp — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linuxptp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6097-1 Related CVEs: CVE-2021-3570 Upstream summary: It was discovered that Linux PTP did not properly perform a length check when forwarding a PTP message between ports. A remote attacker could […]

Read more
Установка и настройка VNC на сервере Debian 9 — step-by-step Linux tutorial on Progressive Robot

Установка и настройка VNC на сервере Debian 9

Virtual Network Computing или VNC — это система подключения, позволяющая использовать клавиатуру и мышь для взаимодействия с графической средой рабочего стола на удаленном сервере. Данная система упрощает управление файлами, программным обеспечением и настройками на удаленном…

Read more
SLES 15 — linuxptp — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — linuxptp — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:2443-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-3570 Upstream summary: A flaw was found in the ptp4l program of the linuxptp package. A missing length check when forwarding a PTP message between […]

Read more
Android Google Maps Example Tutorial — step-by-step DevOps tutorial on Progressive Robot

Android Google Maps Example Tutorial

In this tutorial we'll discuss and implement some interesting features of android google maps API in our application. Before we get onto the discussion. Please make sure that you've been through the [Android Google Maps Setup](/community/tutorials/android-google-maps-api). It's a prerequisite. Android Google Maps API Overview In this tutorial we'll implement a few interesting features provided by […]

Read more
Oracle Linux 8 — unbound — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — unbound — vulnerability — patch and remediation guide (ELSA-2020-2416)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-2416 Related CVEs: CVE-2020-12662 CVE-2020-12663 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
CHAT