IT, Cloud & DevOps Blog

SLES 15 — cryptctl — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — cryptctl — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 18 July 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:2136-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-18906 Upstream summary: A Improper Authentication vulnerability in cryptctl of SUSE Linux Enterprise Server for SAP 12-SP5, SUSE Manager Server 4.0 allows attackers with access […]

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Android Notification, PendingIntent Example — step-by-step DevOps tutorial on Progressive Robot

Android Notification, PendingIntent Example

Welcome to Android Notification Example using android PendingIntent. In this tutorial we're going to discuss and implement PendingIntent and build Notification in our application. Android PendingIntent Android PendingIntent is an object that wraps up an [intent](/community/tutorials/android-intent-handling-between-activities-example-tutorial) object and it specifies an action to be taken place in future. In other words, PendingIntent lets us pass […]

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Common Problems 118540

Ubuntu 16.04 DNS resolution intermittently fails

🟡 Medium   ⏱ 5–30 min  Last verified: 17 July 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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Common Problems 117968

Ubuntu 18.04 LTS – UFW blocks required application ports after policy tighten – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 17 July 2019 Affected versions: Ubuntu 18.04 LTS 📖 ~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 […]

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openSUSE Tumbleweed — radvd — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — radvd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2011-3602 Upstream summary: Directory traversal vulnerability in device-linux.c in the router advertisement daemon (radvd) before 1.8.2 allows local users to overwrite arbitrary files, and remote […]

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FreeBSD 12 — bitlbee — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — bitlbee — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: bitlbee — account recreation security issues Related CVEs: CVE-2008-3920 CVE-2008-3969 Upstream summary: Secunia reports: Some security issues have been reported in BitlBee, which can be exploited by malicious people to […]

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The rbind() function in R - Binding Rows Made Easy — step-by-step DevOps tutorial on Progressive Robot

The rbind() function in R – Binding Rows Made Easy

URL: https://www.progressiverobot.com/rbind-function-r/ The binding or combining of the rows is very easy with the rbind() function in R. rbind() stands for row binding. In simpler terms joining of multiple rows to form a single batch. It may include joining two data frames, vectors, and more. This article will talk about the uses and applications of […]

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FreeBSD 12 — dcraw — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — dcraw — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dcraw — integer overflow condition Related CVEs: CVE-2015-3885 Upstream summary: ocert reports: The dcraw tool, as well as several other projects re-using its code, suffers from an integer overflow condition […]

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