February 2021 - Page 32 of 57

Windows Server 2012 R2 — DNS scavenging removes active records due to aging configuration drift in AD-integrated zones — Fix & Prevention

• February 13, 2021
• Tutorials
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🟠 High   ⏱ 5–30 min  Last verified: 13 February 2021 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]

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Python KeyError Exception Handling Examples

• February 13, 2021
• Python
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URL: https://www.progressiverobot.com/python-keyerror-exception-handling-examples/ 1. What is Python KeyError Exception? Python KeyError is raised when we try to access a key from dict, which doesn't exist. It's one of the built-in exception classes and raised by many modules that work with dict or objects having key-value pairs. 2. Python KeyError with Dictionary Let's look at a simple […]

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Let and Const in JavaScript with ES6 / ES2015

• February 13, 2021
• Javascript
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ES6 / ES2015 gives us two new keywords to declare variables: let and const. Learn how to use them and the difference with var.

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JavaMail Example – Send Mail in Java using SMTP

• February 13, 2021
• Programming
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URL: https://www.progressiverobot.com/javamail-example-send-mail-in-java-smtp/ Today we will look into JavaMail Example to send email in java programs. Sending emails is one of the common tasks in real life applications and that's why Java provides robust JavaMail API that we can use to send emails using SMTP server. JavaMail API supports both TLS and SSL authentication for sending […]

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IBM AIX 7.1 — CVE-2021-38976 — vulnerability — patch and remediation guide

• February 13, 2021
• Tutorials
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🟡 Medium   ⏱ 15–45 min  Last verified: 13 February 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-38976, IBM Support Bulletin CVE: CVE-2021-38976 NVD summary: IBM Tivoli Key Lifecycle Manager 3.0, 3.0.1, 4.0, and 4.1 stores user credentials in plain clear text which can be read by a local […]

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Как установить Java в Ubuntu с помощью Apt-Get

• February 13, 2021
• Linux
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Множество других статей и программ требует установленной Java. В этой статье мы осветим процесс установки и управления различными версиями Java. Это рекомендуемый и наиболее простой вариант. В Ubuntu 12.04 и более ранних…

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How to Set Up a DNS Server with BIND9 on RHEL 7

• February 13, 2021
• Linux
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How to Set Up a DNS Server with BIND9 on RHEL 7 The Berkeley Internet Name Domain (BIND) is the most widely deployed DNS server software in the world, and BIND 9 is the version available in the RHEL 7 package repositories. Setting up your own DNS server gives you authoritative control over a domain […]

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How To Manage Infrastructure Data with Terraform Outputs

• February 13, 2021
• Devops
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Terraform outputs are used to extract information about the infrastructure resources from the project state. In this tutorial, you’ll learn about Terraform outputs their syntax and parameters by creating a simple infrastructure that deploys Droplets. You’ll also learn about parsing the outputs programmatically, by converting them to JSON.

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Gentoo Linux — media-libs/libexif — multiple vulnerabilities (10 CVEs) — patch and remediation guide

• February 13, 2021
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202011-19 Related CVEs: CVE-2020-0181 CVE-2020-0198 CVE-2020-0452 CVE-2016-6328 CVE-2019-9278 CVE-2020-0093 CVE-2020-12767 CVE-2020-13112  +2 more Upstream summary: Multiple vulnerabilities have been discovered in libexif. Please review the CVE identifiers referenced below for details. Table […]

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How To Install Moodle via git with Postgres, Nginx and PHP on an Ubuntu 12.04 VPS

• February 13, 2021
• Linux
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Moodle is a very popular and seasoned learning platform used by many institutions. While it is easy to set up a working moodle platform, it is a lot harder to run it smoothly for many concurrent users. Therefore some of the design choices taken in this guide try to solve this issue and offer a clean and fast solution for common use cases.

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