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Simple WiFi Router Configuration
How to create a simple configuration for a WiFi Router? The simplest configuration for a WiFi router is to put all wired and wireless devices into a single subnet as shown in this tutorial. 1. Turn on the WiFi router. 2. Connect your computer to a LAN port on the WiFi router with an Ethernet cable. ...
2021-06-05, ∼1316🔥, 0💬

Domain Name to IP Address Resolution
What Is Domain Name to IP Address Resolution? Domain Name to IP Address Resolution is a process to map a domain name to an IP address. Services on the Internet are identified by two types of addresses: domain name address and IP address. Domain Name Address uses the domain name to identify the compu...
2022-02-04, ∼1308🔥, 0💬

"traceroute" - Trace Routing on Linux
How to use the "traceroute" command to Trace Routing on Linux systems? "traceroute" command allows you to trace IP routing on Linux systems. The output lists the interface IP address of each gateway reached by a dummy message fired from the local host to the specified destination. If "traceroute" co...
2021-04-30, ∼1297🔥, 0💬

DNS Records and Record Types
What Is DNS Record? How many DNS record types are there? A DNS Record is a record in a DNS database that maps a given domain name an IP address or other information. Here are main types of DNS records: 1. A record : The most basic type of record, also known as address record, provides an IPv4 addres...
2022-02-04, ∼1290🔥, 0💬

VPN Connection over iPhone Hotspot
Can I create a VPN connection over iPhone Personal Hotspot? If you are traveling with a laptop computer and an iPhone, you can create a VPN connection over iPhone Personal Hotspot to access your VPN server. 1. Turn on Personal Hotspot on your iPhone. 2. Connect your laptop to your iPhone over Person...
2022-03-29, ∼1287🔥, 0💬

L2TP VPN Client Configuration on macOS
How to configure L2TP VPN client on macOS computers? If you have a L2TP server configured with the following connection information, you can follow this tutorial to configure a L2TP VPN client on you macOS computer to connect to this server. Server IP: 113.97.237.5 Service Type: L2TP IPsec Enabled: ...
2022-05-15, ∼1280🔥, 0💬

What Is IP Routing
What Is IP (Internet Protocol) Routing? IP (Internet Protocol) Routing is a technology that allows a message to be delivered from one local network to another network over an IP network. IP (Internet Protocol) Routing consists of the following components. 1. Host IP Configuration - Each host on an I...
2021-05-16, ∼1280🔥, 0💬

IP Routing Table on Linux
How to display IP Routing Table on Linux Systems? You can use the "network -rn" command to display the IP routing table a Linux system. Here is an example: fyicenter$ netstat -rn Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 eno1...
2021-04-30, ∼1279🔥, 0💬

What Is Ethernet Switch
What Is an Ethernet Switch? An Ethernet Switch is a smart device for LAN (Local Area Network) that redirect network traffic from one port to another port based the destination address. The network traffic pattern on an Ethernet Switch is shown on the bottom right of the picture below: Ethernet Hub v...
2021-08-11, ∼1275🔥, 0💬

What Is "unzip" Command on Linux Systems
What Is "unzip" Command on Linux Systems? "unzip" Command on Linux Systems allows you to list and extract files from a ZIP file. 1. You can use "man unzip" to read its man page. SYNOPSIS unzip [-Z] [-cflptTuvz[abjnoqsCDKLMUVWX$/ :^]]file[.zip] [file(s) ...] [-x xfile(s) ...] [-d exdir] DESCRIPTION u...
2021-02-21, ∼1257🔥, 0💬

L2TP VPN Client Configuration on Windows
How to configure L2TP VPN client on Windows computers? If you have a L2TP server configured with the following connection information, you can follow this tutorial to configure a L2TP VPN client on your Windows computer to connect to this server. Server IP: 113.97.237.5 Service Type: L2TP IPsec Enab...
2022-03-29, ∼1231🔥, 0💬

Connect Router to Internet
How to connect and configure a router to the Internet? There are 3 ways to physically connect your router to the Internet, depending on what type of service you are getting from your ISP (Internet Service Provider). 1. Ethernet Broadband Service - If you are getting an Ethernet Broadband service fro...
2022-05-05, ∼1223🔥, 0💬

Add Ethernet Switch to Network
How to add an Ethernet switch to a IP network? An Ethernet switch is a dummy device that allows you add more wired devices to a local network. 1. Connect the new switch to power supply. 2. Plug in a new Ethernet cable to a special socket called "Uplink" of the switch. 3. Plug in the other end of the...
2021-06-05, ∼1219🔥, 0💬

What Is Ethernet Extender
What Is an Ethernet Extender, Network Extender or LAN Extender? Ethernet Extender, also called Network Extender or LAN Extender Router, combines three networking functions together: wireless access point, a router, and Network Address Translator (NAT)     ⇒ RJ45 Socket and Connector ⇐ What Is WiFi ...
2022-05-05, ∼1208🔥, 0💬

"ipconfig" and "ifconfig" Commands
What Is "ipconfig" and "ifconfig" Commands? "ipconfig" command is a tool on Windows systems to display IP configurations of networking interfaces. The example below shows IP configurations of 2 networking interfaces on a single host: fyicenter&gt; ipconfig /all 0 Ethernet adapter : Description ....
2021-05-16, ∼1195🔥, 0💬

Uninstall Mozilla Firefox from Mac Computer
How to Uninstall Mozilla Firefox from Mac Computer? If you don't want to use Mozilla Firefox anymore, you can follow this tutorial to uninstall it from your Mac computer. 1. Close Firefox, if it is open. 2. Remove Firefox from the Dock bar. 3. Go to the Application folder. 4. Right-click on "Firefox...
2022-11-30, ∼1179🔥, 0💬

VPN Client Issues on macOS
What are common issues with configuring VPN connections on macOS computers? Here are some common issues issues with configuring VPN connections on macOS computers. 1. PPTP Protocol not supported - PPTP (Point-to-Point Tunneling Protocol) is not supported anymore on new macOS computers. 2. IPSec with...
2022-03-29, ∼1173🔥, 0💬

"tracert" - Trace Routing on Winndows
How to use the "tracert" command to Trace Routing on Winndows systems? "tracert" command allows you to trace IP routing on Windows systems. The output lists the interface IP address of each gateway reached by a dummy message fired from the local host to the specified destination. For example, the lo...
2021-04-30, ∼1161🔥, 0💬

RJ45 Socket and Connector
What are RJ45 Socket and Connector? RJ45 (Registered Jack 45) Socket and Connector are network components that connects Ethernet devices together. RJ45 Socket and Connector support 8 pins connecting to 4 twisted pairs of 8 lines. RJ45 Socket and Connector     ⇒ Link and Activity LEDs on Ethernet So...
2022-04-21, ∼1133🔥, 0💬

What Is IP (Internet Protocol) Network
What Is IP (Internet Protocol) Network? IP (Internet Protocol) network is a computer network that uses the Internet Protocol to send and receive messages between multiple computers. Today, almost all computer networks are IP networks. The world largest network, the Internet, is an IP network. From n...
2022-05-01, ∼1129🔥, 0💬

VPN (Virtual Private Network)
Where to find answers to frequently asked questions on VPN (Virtual Private Network)? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com team on VPN (Virtual Private Network): What Is VPN (Virtual Private Network) L2TP VPN Server on TP-Link Router L2TP VPN Clien...
2022-05-01, ∼1107🔥, 0💬

"zip/unzip" Commands on Linux Systems
Where to find answers to frequently asked questions about zip/unzip Commands on Linux Systems? Here is a collection of frequently asked questions and their answers compiled by FYIcenter.com team for general questions about zip/unzip Commands on Linux Systems: What Is "zip" Command on Linux Systems W...
2021-02-21, ∼1093🔥, 0💬

Domain Name Server/System
Where to find answers to frequently asked questions on Domain Name? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com team on Domain Name: Domain Name System and Structure DNS (Domain Name Server) Domain Name to IP Address Resolution DNS Records and Record Type...
2022-03-29, ∼1084🔥, 0💬

2-Computer Network with Ethernet Switch
How to build a 2-Computer network with an ethernet switch? If you have an ethernet switch, you can use it to build a 2-computer network as described below: 1. Read the manual of the ethernet switch to ensure that all RJ45 ports (sockets) are Auto Negotiation RJ45 ports. All ports have identical func...
2022-05-15, ∼1068🔥, 0💬

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