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How to Configure IIS Authentication on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure IIS Authentication on Windows Server 2019

Introduction to IIS Authentication on Windows Server 2019 IIS 10 on Windows Server 2019 supports multiple authentication mechanisms, each suitable for different scenarios. Anonymous Authentication allows unauthenticated access (public websites). Windows Authentication uses Kerberos or NTLM to authenticate domain users transparently (intranet applications). Basic Authentication sends credentials in Base64 (requires HTTPS). Digest Authentication uses MD5 […]

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Android Material Design Button Style Design — step-by-step DevOps tutorial on Progressive Robot

Android Material Design Button Style Design

Today we'll dive deep into Android Buttons in Material Design and develop an application that showcases the different styles of a Button. Android Material Design Button Buttons in Android are used to communicate our actions with the application. The introduction of Material Design has brought along many different kinds of Button styles which are compatible […]

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Common Problems 121709

Debian 9 Logrotate Not Rotating Application Logs

  • September 5, 2019
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 5 September 2019 Affected versions: Debian 9 📖 ~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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Common Problems 118406

Ubuntu 16.04 LTS – dist-upgrade aborts with held broken packages

  • September 5, 2019
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 5 September 2019 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 […]

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Common Problems 118011

Ubuntu 18.04 Bluetooth Stops Working After Update

  • September 5, 2019
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 5 September 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 Configure AlertManager on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure AlertManager on SLES 12

Introduction This tutorial covers How to Configure AlertManager on SLES 12 on SLES 12. SLES 12 (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 12 system is up to date: zypper refresh && […]

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FreeBSD 12 — ganglia-monitor-webfrontend — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ganglia-monitor-webfrontend — vulnerability — patch and remediation guide

  • September 5, 2019
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 5 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ganglia — buffer overflow vulnerability Related CVEs: CVE-2009-0241 Upstream summary: Secunia reports: Spike Spiegel has discovered a vulnerability in Ganglia which can be exploited by malicious people to compromise a […]

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Common Problems 115048

RHEL 8 High IOWait Caused by Unbounded Persistent Journald Logs

  • September 5, 2019
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 5 September 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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FreeBSD 12 — openldap-sasl-server — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — openldap-sasl-server — vulnerability — patch and remediation guide

  • September 5, 2019
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 5 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openldap — slapd acl selfwrite Security Issue Related CVEs: CVE-2006-4600 Upstream summary: Howard Chu reports: An ACL of the form 'access to dn.subtree="ou=groups, dc=example,dc=com" attr=member by * selfwrite' is intended […]

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Amazon Linux 2 — libcgroup — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libcgroup — vulnerability — patch and remediation guide

  • September 5, 2019
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1336 Related CVEs: CVE-2018-14348 Upstream summary: libcgroup up to and including 0.41 creates /var/log/cgred with mode 0666 regardless of the configured umask, leading to disclosure of information.(CVE-2018-14348) Table of contents […]

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