How to Configure PowerShell Execution Policies on Windows Server 2012 R2 PowerShell execution policies control which scripts are allowed to run on a Windows system. On Windows Server 2012 R2, the default execution policy for Server Core installations is RemoteSigned, which permits locally written scripts and requires digital signatures only for scripts downloaded from the […]
Introduction Deploying install portainer on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian 9 Stretch […]
How to Set Up PowerShell ISE on Windows Server 2012 R2 PowerShell Integrated Scripting Environment (ISE) is the graphical script editor included with Windows Server 2012 R2 that provides a feature-rich environment for writing, testing, and debugging PowerShell scripts. Unlike the basic PowerShell console window, ISE offers syntax highlighting, IntelliSense auto-completion, a multi-tab script editor, […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202408-16 Related CVEs: CVE-2018-21232 CVE-2020-11958 Upstream summary: Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]
Introduction Azure AD Hybrid Join registers Windows Server 2016 (and Windows 10/11) devices with both on-premises Active Directory and Azure Active Directory simultaneously. Hybrid-joined devices get a Device ID in Azure AD, enabling Conditional Access policies, Azure AD-based SSO to cloud resources, Microsoft Intune co-management, and cloud-delivered features like Windows Hello for Business. This guide […]
Modern stateless applications are built and designed to run in software containers like Docker, and be managed by container clusters like Kubernetes. They are developed using Cloud Native and [Twelve Factor](…
Introduction How to Configure Bacula Backup Server on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. […]
OpenVPNは、公開インターネット上でプライベートネットワークを安全に構築したり参加したりできるようにするオープンソースの仮想プライベートネットワーク（Virtual Private Network: VPN）アプリケーションです。 このチュートリアルでは、Ellipic Curve Cryptography（ECC）を使用して、Ubuntu 20.04 （Focal server）にOpenVPNをインストールして設定する方法を学びます。 また、Windows、macOS、iOS、Android、LinuxクライアントをVPNに接続する方法も学びます。
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2020:1454-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-15953 CVE-2017-8825 Upstream summary: LibEtPan through 1.9.4, as used in MailCore 2 through 0.6.3 and other products, has a STARTTLS buffering issue that affects IMAP, […]
OTRS, also known as the Open source Ticket Request System, is a help desk and IT service management system. In this tutorial, you will install OTRS Community Edition on an Ubuntu 18.04 server and set up a simple help desk system, which will allow you to receive and process requests from your customers using both the web interface and email.
