How to Limit Container Resources with cgroups on Debian 10

September 16, 2020
Linux
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Introduction Deploying limit container resources with cgroups on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before […]

How to Install SQLite3 on Debian 10

September 15, 2020
Linux
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Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install sqlite3 on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and the resulting […]

How to Configure Windows Server 2019 Container Registry

September 15, 2020
Tutorials
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How to Configure Windows Server 2019 Container Registry A container registry is a repository for storing and distributing container images. In Windows Server 2019 environments, you can deploy an on-premises container registry using the open-source Docker Registry v2 or a Windows-compatible private registry, or integrate with Azure Container Registry. A private registry gives you full […]

How to Set Up PostgreSQL Streaming Replication on Debian 10

September 14, 2020
Linux
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Introduction Deploying set up postgresql streaming replication on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You […]

How to Configure Python via AIX Toolbox on IBM AIX 7.2

September 14, 2020
IBM AIX
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Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure python via aix toolbox on ibm aix 7.2 […]

How to Configure DirectAccess with IPv6 on Windows Server 2012 R2

September 14, 2020
Tutorials
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How to Configure Windows Server 2012 R2 as a VPN Server with SSTP Secure Socket Tunneling Protocol (SSTP) is a VPN protocol that encapsulates PPP traffic inside HTTPS, using port 443 for all VPN data. This makes SSTP the most firewall-friendly VPN protocol available — it works through virtually any firewall, NAT device, or web […]

How to Install and Configure RabbitMQ on RHEL 7

September 14, 2020
Linux
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How to Install and Configure RabbitMQ on RHEL 7 RabbitMQ is one of the most widely deployed open-source message brokers in the world. It implements the Advanced Message Queuing Protocol (AMQP) and provides reliable message delivery, flexible routing, and support for multiple messaging patterns including work queues, publish/subscribe, and request/reply. Applications use RabbitMQ to decouple […]

systemd Service Fails to Start on Boot

September 13, 2020
Tutorials
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🟡 Medium ⏱ 5–30 min Last verified: 13 September 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 […]

How to Use GCC on IBM AIX 7.1

September 13, 2020
IBM AIX
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Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use gcc on ibm aix 7.1 on IBM AIX […]

Ubuntu 20.04 — spamassassin — vulnerability — patch and remediation guide

September 13, 2020
Linux
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🟢 Low ⏱ 5–15 min Last verified: 13 September 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4899-1 Related CVEs: CVE-2020-1946 Upstream summary: Damian Lukowski discovered that SpamAssassin incorrectly handled certain CF files. If a user or automated system were tricked into using a specially- crafted CF […]

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How to Limit Container Resources with cgroups on Debian 10

How to Install SQLite3 on Debian 10

How to Configure Windows Server 2019 Container Registry

How to Set Up PostgreSQL Streaming Replication on Debian 10

How to Configure Python via AIX Toolbox on IBM AIX 7.2

How to Configure DirectAccess with IPv6 on Windows Server 2012 R2

How to Install and Configure RabbitMQ on RHEL 7

systemd Service Fails to Start on Boot

How to Use GCC on IBM AIX 7.1

Ubuntu 20.04 — spamassassin — vulnerability — patch and remediation guide

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