Como Instalar e Proteger o Redis no Ubuntu 18.04
Uma versão anterior deste tutorial foi escrita por Justin Ellingwood. O Redis é uma reserva de valores-chave na memória conhecido pela sua flexibilidade, desempenho e amplo suporte de…
How To Troubleshoot Socket Errors in MySQL
MySQL manages connections to the database server through the use of a socket file, a special kind of file that facilitates communications between different processes. The MySQL server’s socket file is named mysqld.sock and on Ubuntu systems it’s usually stored in the /var/run/mysqld/…
Ubuntu 20.04 — gpsd — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 28 April 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5035-1 Related CVEs: https://launchpad.net/bugs/1938730 Upstream summary: It was discovered that GPSd incorrectly handled certain leap second events which would result in the time jumping back 1024 weeks on 2021-10-31. Table […]
How To Set Up Nginx Load Balancing with SSL Termination
Use SSL termination to reduce your SSL certificate and software management overhead on load-balanced servers. This tutorial uses an Nginx load-balancer and LAMP backends.
How To Set Up an OpenVPN Server on Ubuntu 16.04
Want to access the Internet safely and securely from your smartphone or laptop when connected to an untrusted network such as the WiFi of a hotel or coffee shop? A Virtual Private Network (VPN) allows you to traverse…
Установка и настройка Ansible в Ubuntu 20.04
Системы управления конфигурацией разрабатываются для администраторов и операционных отделов с целью ускорить процедуры управления большим количеством серверов. Они позволяют автоматически контролировать много разных систем из единого центра. Хотя для систем Linux выпущено много…
Ubuntu 14.04 LTS kernel panic not syncing at startup
🟡 Medium ⏱ 5–30 min Last verified: 27 April 2021 📖 ~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 […]
Ubuntu 16.04 LTS Interrupted Upgrade Leaves dpkg Broken
🟠 High ⏱ 5–30 min Last verified: 27 April 2021 Affected versions: 16.04 LTS 📖 ~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 & […]
Ubuntu 16.04 — freeimage — multiple vulnerabilities (6 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 27 April 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6586-1 Related CVEs: CVE-2019-12211 CVE-2019-12213 CVE-2020-21427 CVE-2020-21428 CVE-2020-22524 CVE-2016-5684 Upstream summary: It was discovered that FreeImage incorrectly handled certain memory operations. If a user were tricked into opening a crafted […]
Ubuntu 20.04 LTS – rsyslog forwarding stops after remote TLS policy update – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 27 April 2021 Affected versions: Ubuntu 20.04 LTS 📖 ~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 […]
