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How to Install OpenJDK 11 on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install OpenJDK 11 on Debian 10

Introduction Deploying install openjdk 11 on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, […]

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Alpine Linux edge — snmptt — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — snmptt — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.4.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — snmptt 1.4.2-r0 Related CVEs: CVE-2020-24361 Upstream summary: Alpine main repository for vedge ships snmptt 1.4.2-r0 which addresses CVE-2020-24361. Table of contents Symptom & Impact Environment […]

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How To Set Up SSH Keys on CentOS — step-by-step Linux tutorial on Progressive Robot

How To Set Up SSH Keys on CentOS

SSH, or secure shell, is an encrypted protocol used to administer and communicate with servers. When working with a CentOS server, chances are you will spend most of your time in a terminal session connected to your server through SSH.

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Ubuntu 18.04 — linux-aws-5.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-aws-5.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 July 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4301-1 Related CVEs: CVE-2019-19053 CVE-2019-19056 CVE-2019-19058 CVE-2019-19059 CVE-2019-19066 CVE-2019-19068 CVE-2019-3016 CVE-2020-2732  +12 more Upstream summary: It was discovered that the KVM implementation in the Linux kernel, when paravirtual TLB flushes […]

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How To Set Up Nginx Server Blocks on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Nginx Server Blocks on CentOS 7

Nginx uses to manage configurations for an individual site or domain. Server blocks allow one server to host multiple domains or interfaces by using a matching system. This is relevant to anyone looking to host more than one site off of a single VPS. In this guide, we will walk through how to set up Nginx server blocks on a CentOS 7 VPS.

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How to Set Up Extended Security Updates for Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up Extended Security Updates for Windows Server 2016

How to Set Up Windows Server 2016 Extended Security Updates Windows Server 2016 reached its end of mainstream support in January 2022, and Microsoft has defined its end of extended support as January 12, 2027. When a Windows Server version reaches end of extended support, it no longer receives free security updates, leaving systems vulnerable […]

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openSUSE Tumbleweed — libseccomp2 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libseccomp2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:2280-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-9893 Upstream summary: libseccomp before 2.4.0 did not correctly generate 64-bit syscall argument comparisons using the arithmetic operators (LT, GT, LE, GE), which might able […]

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