How To Install Go on Ubuntu
Learn how to install Go (Golang) on Ubuntu. Explore binary installation, configuration, and verification. Includes troubleshooting tips.
How To Encrypt Traffic to Redis with Stunnel on Ubuntu 16.04
Redis is an open-source key-value data store, using an in-memory storage model with optional disk writes for persistence. It features transactions, a pub/sub messaging pattern, and automatic failover among other functionality. Redis has clients written in most languages with…
How to Configure Jenkins with SSL using an Nginx Reverse Proxy
By default, Jenkins comes with its own built-in Winstone web server listening on port 8080, which is convenient for getting started. As soon as you’re serious about using Jenkins, however, it should be secured with SSL to protect passwords and other sensitive data transmitted…
Ubuntu 16.04 — moin — multiple vulnerabilities (6 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 26 July 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4629-1 Related CVEs: CVE-2020-15275 CVE-2020-25074 CVE-2017-5934 CVE-2016-7146 CVE-2016-7148 CVE-2016-9119 Upstream summary: Michael Chapman discovered that MoinMoin incorrectly handled certain cache actions. An attacker could possibly use this issue to execute […]
How to Configure Nginx Rate Limiting and Connection Throttling on RHEL 7
How to Configure Nginx Rate Limiting and Connection Throttling on RHEL 7 Uncontrolled traffic is one of the most common threats to web server stability. Whether the source is a poorly written client polling too aggressively, a scraper harvesting your content, or a low-volume denial-of-service attack, allowing unlimited requests to reach your application or upstream […]
Configuração Inicial do Servidor com o CentOS 7
### Introdução Quando você cria inicialmente um novo servidor, existem alguns passos de configuração que você deve tomar no início como parte da configuração básica. Isto aumentará a segurança e a usabilidade do seu servidor e dará uma sólida fundação para as ações subsequentes.
Ubuntu 16.04 — ruby-websocket-extensions — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 July 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4502-1 Related CVEs: CVE-2020-7663 Upstream summary: It was discovered that websocket-extensions does not properly parse special headers. A remote attacker could use this issue to cause regex backtracking, resulting in […]
Recommended Steps For New FreeBSD 12.0 Servers
When setting up a new FreeBSD server, there are a number of optional steps you can take to get your server into a more production-friendly state. In this guide, we will go over some of the most common examples. We will cover how to create a firewall that denies most traffic, ensure that your server’s time zone accurately reflects its location, and set up NTP polling to keep the server’s time accurate. Finally, we will demonstrate how to add some extra swap space to your server.
How To Use Cron to Automate Tasks on Ubuntu 18.04
Cron is a time-based job scheduling daemon found in Unix-like operating systems, including Linux distributions. This guide provides an overview of how to schedule tasks using cron’s special syntax on a machine running Ubuntu 18.04. It also goes over a few shortcuts one can use to make job schedules easier to write and understand.
Ubuntu 20.04 — pcre3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 July 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5425-1 Related CVEs: CVE-2019-20838 CVE-2020-14155 Upstream summary: Yunho Kim discovered that PCRE incorrectly handled memory when handling certain regular expressions. An attacker could possibly use this issue to cause applications […]
