November 2019 - Page 58 of 66

Android RecyclerView Load More, Endless Scrolling — step-by-step DevOps tutorial on Progressive Robot

Android RecyclerView Load More, Endless Scrolling

In this tutorial, we'll be discussing and implementing Endless Scrolling or Infinite Scroll on RecyclerView in our Android Application. The infinite scrolling in which the next set of rows are fetched from the DB/Server while showing a loading icon is commonly seen in many applications such as Facebook, Twitter. It's recommended to go through [this](/community/tutorials/android-recyclerview-example) […]

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How to Configure Chrony as a Time Server on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Chrony as a Time Server on RHEL 7

How to Configure Chrony as a Time Server on RHEL 7 Accurate system time is foundational to almost every enterprise workload. Kerberos authentication, TLS certificate validation, log correlation, and database replication all depend on clocks that stay in sync. While ntpd has served Linux administrators for decades, Red Hat Enterprise Linux 7 ships Chrony as […]

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OpenBSD 7.6 — xserver — errata 002_xserver — security advisory — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — xserver — errata 002_xserver — security advisory — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.6 📖 ~4 min read  •  Source: OpenBSD 7.6 errata 002_xserver Errata topic: Security: xserver (All architectures) Issued: October 29, 2024 Related CVEs: CVE-2024-9632 Upstream summary: Fix memory allocation error in the Xkb X11 server extension. CVE-2024-9632 Table of contents Symptom […]

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openSUSE Tumbleweed — go1.11 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — go1.11 — multiple vulnerabilities (3 CVEs) — 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-2019:2000-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-9512 CVE-2019-9514 CVE-2019-14809 Upstream summary: Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service. The attacker sends continual pings […]

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Common Problems 118601

Ubuntu 16.04 Locale Warnings During Package Installation

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 118112

Ubuntu 18.04 LTS LVM volume extension not reflected in filesystem

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 Schedule Tasks with systemd Timers on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Schedule Tasks with systemd Timers on RHEL 10

Introduction Setting up schedule tasks with systemd timers on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Schedule Tasks with systemd Timers on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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FreeBSD 12 — php55-pgsql — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php55-pgsql — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php5 — multiple vulnerabilities Related CVEs: CVE-2015-4643 CVE-2015-4644 Upstream summary: The PHP project reports: DOM and GD: Fixed bug #69719 (Incorrect handling of paths with NULs). FTP: Improved fix for […]

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Common Problems 114941

RHEL 8 Kernel Updated but GRUB Boots Older Kernel by Default

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 114529

XFS Root Filesystem Full And LVM Extension Needed

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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