The Go programming language comes with a rich toolchain that makes obtaining packages and building executables incredibly easy. One of Go’s most powerful features is the ability to cross-build executables for any Go-supported foreign platform. This makes testing and package…
The CalDAV and CardDAV standards provide an easy way to keep all our smart things up-to-date with what we are doing, as well as how to get hold of our friends and other contacts. In this tutorial, we’ll show you how to sync calendars and contacts from a server you control, using a super simple installation of [Baïkal](http://baikal-server.com), a PHP CalDAV and CardDAV server.
Learn how to setup a firewall with UFW on an Ubuntu / Debian cloud server.
Otoritas Sertifikat privat yang berjalan pada Ubuntu 20.04 akan memungkinkan Anda untuk mengonfigurasi, menguji, dan menjalankan program yang membutuhkan koneksi terenkripsi antara klien dan server. Menggunakan CA privat, Anda dapat menerbitkan sertifikat untuk pengguna, server, atau masing-masing program serta layanan di dalam infrastruktur Anda. CA privat dapat membantu memastikan bahwa semua lingkungan pengembangan, penahapan, dan produksi Anda menggunakan arsitektur dan konfigurasi yang seru
🟡 Medium ⏱ 5–30 min Last verified: 30 March 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 […]
This tutorial will tell you how to setup a basic mail server and attempts to teach you a bit about the Postfix MTA (Mail Transfer Agent) in the process.
🟡 Medium ⏱ 10–30 min Last verified: 30 March 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7825-1 Related CVEs: CVE-2020-26683 CVE-2018-16647 CVE-2021-37220 CVE-2018-10289 CVE-2018-16648 CVE-2018-1000036 CVE-2021-3407 CVE-2020-21896 Upstream summary: It was discovered that MuPDF incorrectly managed memory, resulting in a memory leak. An attacker could possibly […]
![Como Instalar o Servidor Web Apache no Ubuntu 20.04 [Quickstart] — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/how-to-install-the-apache-web-server-on-ubuntu-20-04-quickstart-pt-82793-featured.png "Como Instalar o Servidor Web Apache no Ubuntu 20.04 [Quickstart] 8")
O servidor HTTP Apache é o servidor Web mais amplamente usado no mundo. Ele fornece muitas características poderosas, incluindo módulos carregáveis dinamicamente, suporte robusto de mídia e uma integração extensa com outros softwares populares. Neste guia, vamos explicar como…
🟠 High ⏱ 15–60 min Last verified: 30 March 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7330-1 Related CVEs: CVE-2015-3908 CVE-2015-6240 CVE-2016-8614 CVE-2019-10206 CVE-2019-14846 CVE-2019-14904 CVE-2020-10729 CVE-2020-1739 +12 more Upstream summary: It was discovered that Ansible did not properly verify certain fields of X.509 certificates. An […]
Certbot offers a variety of ways to validate your domain, fetch certificates, and automatically configure Apache and Nginx. In this tutorial, we’ll discuss Certbot’s standalone mode and how to use it to secure other types of services, such as a mail server or a message broker like RabbitMQ.
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