Linux

Ubuntu 20.04 — hibagent — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — hibagent — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6493-1 Related CVEs: https://launchpad.net/bugs/2043739 Upstream summary: On Ubuntu 20.04 LTS and Ubuntu 22.04 LTS, the hibagent package has been updated to add IMDSv2 support, as IMDSv1 uses an insecure protocol […]

Read more
openSUSE Tumbleweed — python36-oic — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-oic — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2020-26244 Upstream summary: Python oic is a Python OpenID Connect implementation. In Python oic before version 1.2.1, there are several related cryptographic issues affecting client implementations that use the […]

Read more
How To Install Git on Debian 7 — step-by-step Linux tutorial on Progressive Robot

How To Install Git on Debian 7

This tutorial covers how to install Git on Debian 7 via apt-get and from the source. Git is a version control system distributed under the terms of the GNU General Public License v.2 since its release in 2005. It allows for non-linear development of projects and can handle large amounts of data effectively.

Read more
How to Install PostgreSQL on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install PostgreSQL on RHEL 8

PostgreSQL is a powerful, standards-compliant open-source relational database known for its extensibility, advanced data types, and strict ACID compliance. RHEL 8’s AppStream makes multiple PostgreSQL major versions available as installable modules, so you can target a specific release without managing external repositories. This guide demonstrates installing PostgreSQL 13 via the AppStream module system, initialising the […]

Read more
Common Problems 125134

Oracle Linux 8 – Common Problem 017 – Diagnosis and Fix

🟢 Low   ⏱ 5–30 min  Last verified: 9 December 2020 Affected versions: Oracle Linux 8 📖 ~3 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
Common Problems 118591

Ubuntu 16.04 Sudo Shows Unable to Resolve Host on Every Command

🟡 Medium   ⏱ 5–30 min  Last verified: 9 December 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
CHAT