What Is Just Enough Administration (JEA)? Just Enough Administration (JEA) is a PowerShell security technology built into Windows Server 2019 that allows administrators to delegate specific administrative tasks without granting full administrative privileges. With JEA, a help desk operator can restart a service or reset a password through a constrained PowerShell endpoint that exposes only […]
O autor selecionou a United Nations Foundation para receber uma doação como parte do programa Write for DOnations. *A versão original deste tutorial para o…
🟡 Medium ⏱ 10–30 min Last verified: 20 March 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-10197 CVE-2020-25717 CVE-2021-44142 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]
Discourse is an open-source discussion platform. You can use Discourse as a mailing list, a discussion forum, or a long-form chat room. In this tutorial, you will install Discourse in an isolated environment using Docker on Ubuntu 20.04.
O Discourse é uma plataforma de discussão de código aberto. Ele pode ser usado como uma lista de e-mail, um fórum de discussões ou uma sala de bate-papo em formato longo. Neste tutorial,…
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2023-2043 Related CVEs: CVE-2021-42700 CVE-2021-42702 CVE-2021-42704 Upstream summary: Inkscape 0.91 is vulnerable to an out-of-bounds read, which may allow an attacker to have access to unauthorized information. (CVE-2021-42700) Inkscape version […]
DenyHosts is a security tool written in python that monitors server access logs to prevent brute force attacks on a virtual private server. The program works by banning IP addresses that exceed a certain number of failed login attempts. This tutorial explains how to install denyhosts, how to whitelist your IP address, and where to find the denyhosts configuration file. It is written for CentOs.
Have you ever thought if it's possible to compile and run a java program from another java program? We can use Runtime.exec(String cmd) to issue commands to the underlying operating system. We will use the same approach to compile and run a java program from another java program. Compile and Run Java Program from another […]
🟡 Medium ⏱ 10–30 min Last verified: 19 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-0446 Related CVEs: CVE-2022-41715 CVE-2022-2880 CVE-2022-2879 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 7.0.3-r0 📖 ~4 min read • Source: Alpine secdb entry — mitmproxy 7.0.3-r0 Related CVEs: CVE-2021-39214 Upstream summary: Alpine community repository for vedge ships mitmproxy 7.0.3-r0 which addresses CVE-2021-39214. Table of contents Symptom & Impact Environment […]
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