URL: https://www.progressiverobot.com/python-typing-module/ Introduced since Python 3.5, Python's typing [module](/community/tutorials/python-modules) attempts to provide a way of hinting types to help static type checkers and linters accurately predict errors. Due to Python having to determine the type of objects during run-time, it sometimes gets very hard for developers to find out what exactly is going on in […]
Learn how to open ports in Linux using iptables, ufw, and firewalld. This guide covers checking open ports, security best practices, and troubleshooting common issues.
🟠 High ⏱ 15–60 min Last verified: 27 January 2020 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2021:14763-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-15522 CVE-2019-15523 Upstream summary: An issue was discovered in LINBIT csync2 through 2.0. csync_daemon_session in daemon.c neglects to force a failure of a hello command […]
🟡 Medium ⏱ 10–30 min Last verified: 27 January 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-4231 Related CVEs: CVE-2018-25014 CVE-2018-25010 CVE-2018-25013 CVE-2020-36331 CVE-2018-25012 CVE-2020-36332 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Learn about four approaches to searching for values in arrays: includes, indexOf, find, and filter methods.
FileZilla Pro is a file transfer solution that works with FTP, SFTP, FTPS, and WebDAV protocols. In 2001, the original FileZilla project brought an open-source, cross-platform file access and transfer application to users. Today, FileZilla Pro…
How to Set Up a Git Server with Gitea on RHEL 7 Gitea is a lightweight, self-hosted Git service written in Go. It provides a GitHub-style web interface for repository management, issue tracking, pull requests, webhooks, and user management — all from a single binary that consumes a fraction of the resources required by GitLab […]
fail2ban provides a way to automatically protect virtual servers from malicious behavior. This tutorial shows you how to install Fail2Ban, copy the Configuration File, configure the fail2ban defaults, and find out how to configure the ssh defaults. This tutorial describes the required steps to set up fail2ban on Ubuntu.
🔴 Critical ⏱ 15–90 min Last verified: 27 January 2020 Affected versions: SLES 12 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2021:2136-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-18906 CVE-2017-9270 Upstream summary: A Improper Authentication vulnerability in cryptctl of SUSE Linux Enterprise Server for SAP 12-SP5, SUSE Manager Server 4.0 allows attackers with […]
Learn how to utilize the cloud provider to automate the process of creating a VPC mesh network to ensure communication and security between your cloud resources.
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