January 2022 - Page 67 of 72

How To Set Up Nginx with HTTP/2 Support on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Nginx with HTTP/2 Support on Ubuntu 16.04

NGINX is a fast and reliable open-source web server. It gained its popularity due to its low memory footprint, high scalability, ease of configuration, and support for the vast majority of different protocols. The main advantage of HTTP/2 is its high transfer speed for content-rich websites.

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Debian 10 — libsndfile — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libsndfile — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3246 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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Debian 11 — plib — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — plib — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-4620 CVE-2012-4552 CVE-2021-38714 Upstream summary: Buffer overflow in the ulSetError function in util/ulError.cxx in PLIB 1.8.5, as used in TORCS 1.3.1 and other products, allows user-assisted remote attackers […]

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How To Set Up GitLab As Your Very Own Private GitHub Clone — step-by-step Linux tutorial on Progressive Robot

How To Set Up GitLab As Your Very Own Private GitHub Clone

GitLab provides a simple but powerful web based interface to your Git repositories a la GitHub. Only you can host it on your own cloud server, control access as you see fit, and repo size is limited only by how much storage space your server has. This tutorial will walk you through setting up a the cloud provider VPS as a GitLab server.

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How to Install InfluxDB and Telegraf on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install InfluxDB and Telegraf on RHEL 7

How to Install InfluxDB and Telegraf on RHEL 7 InfluxDB is a purpose-built time series database optimised for the high-write workloads that are typical in infrastructure monitoring, IoT data collection, and application performance tracking. Unlike general-purpose databases, InfluxDB stores measurements indexed by timestamp and tag values, enabling sub-millisecond queries across billions of data points. Telegraf […]

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Debian 11 — lurker — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lurker — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-1062 CVE-2006-1063 CVE-2006-1064 Upstream summary: Unspecified vulnerability in lurker.cgi for Lurker 2.0 and earlier allows attackers to read arbitrary files via unknown vectors. Table of contents Symptom & […]

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How To Install and Manage RabbitMQ — step-by-step Linux tutorial on Progressive Robot

How To Install and Manage RabbitMQ

In this the cloud provider article, we aim to introduce you to the RabbitMQ project: an open-source message-broker application stack which implements the Advanced Message Queuing Protocol (AMQP).

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

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2021-5045)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-5045 Related CVEs: CVE-2021-43539 CVE-2021-43542 CVE-2021-43541 CVE-2021-43528 CVE-2021-43545 CVE-2021-43546 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Monitor MySQL with Prometheus mysqld_exporter on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Monitor MySQL with Prometheus mysqld_exporter on RHEL 9

MySQL’s built-in metrics are powerful but not easily scraped. Prometheus mysqld_exporter is the standard exporter that translates MySQL status variables, InnoDB engine metrics, and replication lag statistics into the Prometheus exposition format. Combined with Grafana, the mysqld_exporter provides real-time dashboards covering query throughput, connection pool usage, InnoDB buffer pool hit rates, disk I/O, and replication […]

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How To Add ngx_pagespeed to Nginx on Debian 8 — step-by-step Linux tutorial on Progressive Robot

How To Add ngx_pagespeed to Nginx on Debian 8

ngx_pagespeed, or just pagespeed, is an Nginx module designed to optimize your site automatically by reducing the size of its resources and hence the time the clients’ browsers need to load it. This article will guide you through the installation and configuration of the pagespeed module for Nginx.

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