IT, Cloud & DevOps Blog

How To Setup Your Own VPN With PPTP — step-by-step Linux tutorial on Progressive Robot

How To Setup Your Own VPN With PPTP

A Point-To-Point Tunneling Protocol (PPTP) allows you to implement your own VPN very quickly, and is compatible with most mobile devices. Even though PPTP is less secure than OpenVPN, it is faster and uses less CPU resources.

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Ubuntu 18.04 — libpam-radius-auth — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libpam-radius-auth — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 August 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4290-1 Related CVEs: CVE-2015-9542 Upstream summary: It was discovered that libpam-radius-auth incorrectly handled certain long passwords. A remote attacker could possibly use this issue to cause libpam-radius-auth to crash, resulting […]

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openSUSE Tumbleweed — signing-party — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — signing-party — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:1388-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-11627 CVE-2018-15599 Upstream summary: gpg-key2ps in signing-party 1.1.x and 2.x before 2.10-1 contains an unsafe shell call enabling shell injection via a User ID. Table […]

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FreeBSD 12 — subversion — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — subversion — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Subversion — Multiple vulnerabilities in server code Related CVEs: CVE-2004-0397 CVE-2004-0749 CVE-2009-2411 CVE-2010-4539 CVE-2010-4644 CVE-2011-0715 CVE-2011-1752 CVE-2011-1783  +12 more Upstream summary: Subversion project reports: Subversion servers reveal 'copyfrom' paths that […]

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Android Intent Handling Between Activities Using Kotlin — step-by-step DevOps tutorial on Progressive Robot

Android Intent Handling Between Activities Using Kotlin

In this tutorial, we'll be discussing Android Intents and implement them using Kotlin in our application. What Will You Learn? What are Intents? Types Of Intents? Using Intents Between Activities Sending Data Using Android Intents Using Parcelable and Serializable to pass objects Creating shorthand intents Android Intents As the name says Intent is something that's […]

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Common Problems 118919

apt update Returns 404 Errors on Ubuntu 14.04

🟡 Medium   ⏱ 5–30 min  Last verified: 2 August 2019 📖 ~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 […]

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How to Set Up Spinnaker on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up Spinnaker on SLES 15

Introduction This tutorial covers How to Set Up Spinnaker on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper refresh […]

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