April 2020 - Page 24 of 66

How to Configure Pyenv for Multiple Python Versions on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Pyenv for Multiple Python Versions on Debian 9

Introduction This guide explains how to Configure Pyenv for Multiple Python Versions on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install […]

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How to Configure Amanda Backup on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Amanda Backup on IBM AIX 7.2

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 amanda backup on ibm aix 7.2 on IBM […]

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FreeBSD 12 — p5-RT-Authen-ExternalAuth — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — p5-RT-Authen-ExternalAuth — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rt and dependent modules — multiple security vulnerabilities Related CVEs: CVE-2012-2770 CVE-2015-7686 CVE-2016-6127 CVE-2017-5361 CVE-2017-5943 CVE-2017-5944 Upstream summary: BestPractical reports: Please reference CVE/URL list for details Table of contents Symptom […]

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How To Secure Apache with Let's Encrypt on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Secure Apache with Let’s Encrypt on CentOS 7

SSL certificates are used within web servers to encrypt the traffic between the server and client, providing extra security for users accessing your application. Let’s Encrypt provides an easy way to obtain and install trusted certificates for free.

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Ubuntu 14.04 — vcftools — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — vcftools — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4835-1 Related CVEs: CVE-2018-11099 CVE-2018-11129 CVE-2018-11130 CVE-2019-1010127 Upstream summary: It was discovered that VCFtools improperly handled certain input. If a user were tricked into opening a crafted input file, VCFtools […]

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How to Install Redis on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Redis on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install redis 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 […]

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How To Manage Sets in Redis — step-by-step Linux tutorial on Progressive Robot

How To Manage Sets in Redis

Sets in Redis are collections of strings stored at a given key. When held in a set, an individual record value is referred to as a member. Unlike lists, sets are unordered and do not allow repeated values. This tutorial explains how to create sets, retrieve and remove members, and compare the members of different sets.

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