Linux

How To Use the cloud provider API v2 with Ansible 2.0 on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Use the cloud provider API v2 with Ansible 2.0 on Ubuntu 16.04

Ansible 2.0 has recently been released, and with it comes support for version 2 of the cloud provider API. This means that you can use Ansible to not only provision your web applications, but also to provision and manage your Droplets automatically. This tutorial will show by example how to use Ansible’s support of the cloud provider API v2.

Read more
Debian 11 — nikto — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nikto — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2860 CVE-2018-11652 Upstream summary: Cross-site scripting (XSS) vulnerability in Nikto 1.35 and earlier allows remote attackers to inject arbitrary web script or HTML via the Server field in […]

Read more
openSUSE Tumbleweed — perl-HTTP-Daemon — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — perl-HTTP-Daemon — vulnerability — 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-2022:2872-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-31081 Upstream summary: HTTP::Daemon is a simple http server class written in perl. Versions prior to 6.15 are subject to a vulnerability which could potentially […]

Read more
How to Install Cockpit Web Console on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Cockpit Web Console on Debian 11

Introduction This guide explains how to Install Cockpit Web Console on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the […]

Read more
Ubuntu 20.04 — libapache2-mod-auth-mellon — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libapache2-mod-auth-mellon — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 May 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5069-1 Related CVEs: CVE-2021-3639 Upstream summary: It was discovered that mod-auth-mellon incorrectly filtered certain URLs. A remote attacker could possibly use this issue to perform an open redirect attack. Table […]

Read more
SLES 12 — wayland-devel — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — wayland-devel — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 May 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:1860-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-3782 Upstream summary: An internal reference count is held on the buffer pool, incremented every time a new buffer is created from the pool. The […]

Read more
openSUSE Tumbleweed — python38-slixmpp — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-slixmpp — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:10241-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-45197 Upstream summary: Slixmpp before 1.8.3 lacks SSL Certificate hostname validation in XMLStream, allowing an attacker to pose as any server in the eyes of […]

Read more
Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2022-9442)

🟠 High   ⏱ 15–60 min  Last verified: 6 May 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9442 Related CVEs: CVE-2022-1852 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 Configure GitLab CI/CD on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure GitLab CI/CD on CentOS Stream 9

Introduction How to Configure GitLab CI/CD on CentOS Stream 9 on CentOS Stream 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

Read more
CHAT