Linux

How to Install Laravel on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Laravel on RHEL 7

How to Install Laravel on RHEL 7 Laravel is one of the most popular PHP frameworks, renowned for its expressive syntax, robust ORM (Eloquent), built-in authentication scaffolding, and an ecosystem of first-party packages for queuing, broadcasting, and caching. Installing Laravel on RHEL 7 requires assembling several components: a recent PHP version from the Remi repository, […]

Read more
Common Problems 121165

Debian 10 Locale Misconfiguration Causes Perl Warning

🟢 Low   ⏱ 5–30 min  Last verified: 19 April 2020 Affected versions: Debian 10 📖 ~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 & […]

Read more
openSUSE Tumbleweed — collectd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — collectd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2016:2187-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-6254 CVE-2017-7401 Upstream summary: Heap-based buffer overflow in the parse_packet function in network.c in collectd before 5.4.3 and 5.x before 5.5.2 allows remote attackers to […]

Read more
Common Problems 115125

RHEL 8 DNS Settings Overwritten by DHCP and Break Internal Name Resolution

🟡 Medium   ⏱ 5–30 min  Last verified: 19 April 2020 📖 ~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 & Cross-Refs References & Further […]

Read more
How to Set Up Victoriametrics on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Victoriametrics on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up set up victoriametrics on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and the […]

Read more
Ubuntu 14.04 — bash — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — bash — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 April 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5380-1 Related CVEs: CVE-2019-18276 CVE-2019-9924 CVE-2016-0634 CVE-2016-7543 CVE-2016-9401 CVE-2017-5932 CVE-2014-6277 CVE-2014-6278  +4 more Upstream summary: It was discovered that Bash did not properly drop privileges when the binary had the […]

Read more
Oracle Linux 8 — grub2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grub2 — vulnerability — patch and remediation guide (ELSA-2020-0335)

🟡 Medium   ⏱ 10–30 min  Last verified: 19 April 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0335 Related CVEs: CVE-2019-14865 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
How to Add and Delete Users on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How to Add and Delete Users on Ubuntu 16.04

Learning how to manage users effectively is an essential skill for any Linux system administrator. In this guide, we will discuss how to add and delete users and assign sudo privileges on an Ubuntu 16.04 server.

Read more
How to Install Deno on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Deno on RHEL 7

How to Install Deno on RHEL 7 Deno is a modern, secure runtime for JavaScript and TypeScript built on V8 and Rust. Created by Ryan Dahl — the original author of Node.js — Deno was designed to address architectural decisions in Node.js that became pain points over time: no built-in TypeScript support, a complex and […]

Read more
CHAT