LinuxHow to Change the Default Gateway in Linux Using the ip route Command
Why Change the Default Gateway? The default gateway is the IP address of the router...
UbuntuHow to Install and Configure the Cockpit Web Console on Ubuntu
What is Cockpit? Managing Linux servers exclusively through the command-line interface (CLI) can be intimidating...
UbuntuHow to Install and Configure the Postfix Mail Server on Ubuntu
What is Postfix? Postfix is a free, open-source Mail Transfer Agent (MTA) that routes and...
WindowsHow to Configure a DHCP Super Scope in Windows Server
What is a DHCP Super Scope? A standard DHCP scope assigns IP addresses for a...
WindowsHow to Delegate Control in Active Directory to Non-Admin Users
The Principle of Least Privilege In many organizations, the IT Helpdesk staff are granted full...
LinuxHow to Setup a PXE (Preboot Execution Environment) Server in Linux Using Dnsmasq
Why Use a PXE Server? Installing an operating system via USB drives is fine for...
LinuxHow to Generate SSH Keys Using the Ed25519 Algorithm in Linux
Why Move Away from RSA? For over a decade, the 2048-bit RSA algorithm was the...
WindowsHow to Configure NIC Teaming (Link Aggregation) in Windows Server
The Benefits of NIC Teaming If your Windows Server handles heavy file sharing, virtualization (Hyper-V),...
WindowsHow to Configure a DHCP Relay Agent in Windows Server
What is a DHCP Relay Agent? By design, DHCP discover packets are network broadcasts (they...
WindowsHow to Change the Maximum Transmission Unit (MTU) Size in Windows Server
Why Change the MTU Size? The Maximum Transmission Unit (MTU) defines the largest packet size...
UbuntuHow to Setup an NFS (Network File System) Server on Ubuntu
What is NFS? The Network File System (NFS) is a distributed file system protocol that...
WindowsHow to Setup a Remote Desktop Gateway (RD Gateway) in Windows Server
What is a Remote Desktop Gateway? Opening port 3389 (RDP) directly on your corporate firewall...
UbuntuHow to Install and Configure the BIND DNS Server on Ubuntu
What is BIND? The Berkeley Internet Name Domain (BIND) is the most widely used Domain...
LinuxHow to Create and Manage LVM Snapshots in Linux
The Power of LVM Snapshots When performing risky system upgrades or database migrations on a...
LinuxHow to Block IP Addresses Using the iptables Command in Linux
What is iptables? The iptables utility is the traditional, immensely powerful command-line firewall interface for...
WindowsHow to Setup an iSCSI Target and Initiator in Windows Server
What is iSCSI? Internet Small Computer Systems Interface (iSCSI) is a storage networking standard that...
UbuntuHow to Install and Configure the vsftpd FTP Server on Ubuntu
Why Choose vsftpd? When you need to allow users to upload and download files from...