SysAdmin & IT Pro

We deliberately broke an Exchange 2019 server to test Stellar Repair on a dirty-shutdown EDB file. The recovery process, lab setup, and lessons learned.

The terminal is the window, the shell runs your commands, the prompt says it is ready, the command line is the idea. Plain definitions, examples, a cheat sheet.

Step-by-step guide to install Ubuntu Server 22.04 LTS. Covers language, disk setup, OpenSSH, user creation, and system configuration for beginners.

Guide to installing OTRS Community Edition on Ubuntu Server — configure PostgreSQL, Apache, and SSL with Let's Encrypt, and launch OTRS securely.

Learn how to install Foreman on Ubuntu Server to manage, provision, and monitor infrastructure with Puppet integration in a few simple steps.

Export the current policy with netsh advfirewall export, then restore defaults from the console, netsh advfirewall reset, or HNetCfg.FwPolicy2 in PowerShell.

Learn how to run your own Minecraft server using Multicraft on Ubuntu Server. Step-by-step setup guide for managing players, ports, memory, and Spigot.

Learn how to upgrade Spigot on Ubuntu Server with Multicraft. Step-by-step tutorial for building the latest Spigot version and integrating it with Multicraft.

Step-by-step guide to installing Multicraft on Ubuntu Server. Set up a secure Minecraft server hosting panel with Apache, MySQL, and Let's Encrypt SSL.

Server Manager opens at every logon because of a scheduled task. Turn it off in Task Scheduler, with one schtasks line, or with Disable-ScheduledTask in PowerShell.

Step-by-step guide to installing OpenJDK on Ubuntu Server. Learn how to configure Java, set JAVA_HOME, and verify your environment for Java development.

Enable logging of dropped packets in Windows Firewall per profile from the console, or with one Set-NetFirewallProfile line that sets the log file and size.

Learn how large enterprises design scalable and secure Active Directory structures. Explore best practices for organizing domains, OUs, users, and servers.

Step-by-step guide to install Windows Server 2019 with Desktop Experience. Learn how to set up a secure and stable Windows Server environment from scratch..

Step-by-step guide to install Windows Server 2019 Server Core. Learn how to set up a minimal, secure, and efficient Windows Server environment.

One cmdlet exports every third-party driver from a running Windows or an offline image. Then pnputil reinstalls them, and DISM injects them into install.wim.

Complete guide to installing Windows 10 safely. Step-by-step instructions with screenshots, license key setup, offline account creation, and post-install tips.

LaunchDaemon for boot as root, LaunchAgent for your login: the plist, the launchctl bootstrap commands, where the logs go, and why cron @reboot is only the fallback.

Where Windows 10 keeps startup entries: Task Manager's Startup tab, the per-user Startup folder and the all-users one, with the exact paths.

Comprehensive guide to installing ServiceDesk Plus on Ubuntu Server 22.04 LTS. Covers setup, port config, auto-start service, and admin login.

Guide to install Ubuntu Server 20.04 LTS — disk setup, network configuration, OpenSSH, and user creation for a reliable Linux server deployment.

Learn how to configure Exchange Server 2019 with step-by-step instructions for mailbox databases, DNS records, certificates, send connectors, and more.

Step-by-step guide to install Exchange Server 2019 on Windows Server 2019, including prerequisites, Active Directory setup, and admin tips.

Install Windows Admin Center on Windows Server 2019 Server Core — a PowerShell guide covering domain setup, secure access, and server management.

Learn how to install firmware for kernel drivers on Ubuntu using .deb packages to ensure hardware compatibility and system stability.

Server Core has no GUI for this: open PowerShell and run Add-Computer with -DomainName, -Credential and -Restart, then confirm the join after the reboot.

Step-by-step guide to install and configure Active Directory Domain Services (AD DS) on Windows Server 2019 using Server Manager.

Learn how to install and configure Active Directory Domain Services on Windows Server 2019 Server Core using PowerShell. Step-by-step setup for your AD DS role.

Learn how to safely update the Linux kernel in Ubuntu using Terminal and .deb packages. Step-by-step guide for system administrators and Linux users.

Step-by-step guide on how to install Minecraft Java Edition on Windows. Learn how to download, install, and launch Minecraft quickly and easily.

Step-by-step guide to install Ubuntu Server 18.04 LTS — disk setup, OpenSSH, user configuration, and post-installation steps for deployment.

Step-by-step guide to configure Exchange Server 2019 — mailbox databases, public folders, DNS, certificates, and send/receive connectors.

Step-by-step guide to install Exchange Server 2016 on Windows Server 2012 R2, including prerequisites, AD setup, and post-installation configuration.

Step-by-step guide to install Exchange Server 2013 on Windows Server 2012 R2, including prerequisites, AD preparation, and full installation walkthrough.

Step-by-step guide to setting up Windows Server 2012 R2 - hostname, RDP access, time zone, static IP, domain join, and system locale configuration.

Learn how to install and configure WSUS on Windows Server 2012 R2 for centralized patch management. Step-by-step guide with screenshots and best practices.

Step-by-step guide to install and configure a DHCP server on Windows Server 2012 R2. Learn to assign IPs, set exclusions, and reserve addresses with ease.

Learn how to install Windows Server 2016 step by step using official media. Get a stable, secure setup with the Desktop Experience.

Step-by-step guide to install CentOS 7 Minimal with screenshots. Learn how to configure language, network, partitions, and users for a clean Linux setup.

Learn how to disable Server Manager autostart in Windows Server 2012 R2 using Server Manager settings, Task Scheduler, CMD, and PowerShell.

Learn how to enable the Active Directory Recycle Bin in Windows Server 2012 R2 to easily recover deleted AD objects. Step-by-step admin guide.

Step-by-step guide to manually update the Offline Address Book (OAB) in Exchange Server 2013 using PowerShell. Ideal for Exchange admins.

Learn how to create and configure an offline address book (OAB) in Exchange Server 2013 using PowerShell and the Exchange Admin Center.

Learn how to install Lync Server 2010 step-by-step on Windows Server 2008 R2. Set up unified communications without failover, including DNS and certificates.

Learn how to install and configure Active Directory Domain Services (AD DS) on Windows Server 2012 R2 step-by-step using Server Manager. Ideal for sysadmins.

Step-by-step guide to install Windows Server 2012 R2 using official media with a GUI setup. Get a clean, secure server installation.

Complete guide to configuring Exchange Server 2010. Learn mailbox setup, certificates, DNS, email policies, and secure mail delivery—step by step.

Step-by-step guide to install Exchange Server 2010 on Windows Server 2008 R2. Includes prerequisites, AD setup, and full installation walkthrough.

Step-by-step guide to install Active Directory Domain Services (AD DS) on Windows Server 2008 R2. Configure DNS, static IP, and promote to domain controller.

Comprehensive step-by-step guide to install Windows Server 2008 R2 using official ISO media. Ensure stability and performance with a clean setup.