2020 - Page 574 of 735

Common Problems 113638

Windows Server 2012 R2 — Component store partial rebuild leaves features missing after restore — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 March 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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FreeBSD 12 — abiword — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — abiword — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: abiword, koffice — stack based buffer overflow vulnerabilities Related CVEs: CAN-2005-2972 Upstream summary: Chris Evans reports that AbiWord is vulnerable to multiple stack-based buffer overflow vulnerabilities. This is caused by […]

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How to Configure ZFS Snapshots and Rollback on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure ZFS Snapshots and Rollback on FreeBSD 12

Introduction Deploying configure zfs snapshots and rollback on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the […]

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Common Problems 112530

Windows Server 2019 Storage Replica Backlog Growth During Peak Write Periods – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 March 2020 Affected versions: Windows Server 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 […]

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Ubuntu 18.04 — dino-im — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — dino-im — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 March 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4306-1 Related CVEs: CVE-2019-16235 CVE-2019-16236 CVE-2019-16237 https://bugs.launchpad.net/bugs/1866115 Upstream summary: It was discovered that Dino incorrectly validated inputs. An attacker could use this issue to possibly obtain, inject or remove sensitive […]

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Common Problems 112523

Windows Server 2019 — IPsec site-to-site tunnel renegotiation fails after certificate renewal on RRAS — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 March 2020 Affected versions: Windows Server 2019 📖 ~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 Errors […]

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How to Configure InfluxDB and Grafana on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure InfluxDB and Grafana on Debian 9

Introduction Deploying configure influxdb and grafana on debian 9 on a Debian 9 Stretch 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 you […]

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Ubuntu 14.04 — python-rsa — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — python-rsa — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 March 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4478-1 Related CVEs: CVE-2020-13757 Upstream summary: It was discovered that Python-RSA incorrectly handled certain ciphertexts. An attacker could possibly use this issue to obtain sensitive information. Table of contents Symptom […]

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Understanding the Event Loop, Callbacks, Promises, and Async/Await in JavaScript — step-by-step Javascript tutorial on Progressive Robot

Understanding the Event Loop, Callbacks, Promises, and Async/Await in JavaScript

In order to avoid blocking code in JavaScript development, asynchronous coding techniques must be used for operations that take a long time, such as network requests made from Web APIs like Fetch. This article will cover asynchronous programming fundamentals, teaching you about the event loop, the original way of dealing with asynchronous behavior through callbacks, the updated ECMAScript 2015 (ES6) addition of promises, and the modern practice of using async/await.

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Ubuntu 18.04 — speex — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — speex — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 March 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5280-1 Related CVEs: CVE-2020-23903 Upstream summary: It was discovered that Speex incorrectly handled certain WAV files. An attacker could possibly use this issue to cause a denial of service. Table […]

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