Basics of Docker commands
In this tutorial, we will learn the basic Docker commands which will be required to work with Docker. These commands should be sufficient to deploy various kinds of web applications.
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Computer Network Fundamentals
Welcome to this series on Computer Networking Fundamentals. In this series, we shall cover basics of Computer Networking on following topics:
- Cisco Packet Tracer setup
- IPV4 address
- Point to point network
- Connecting three PCs using hub
- Connecting three PCs using switch
- Access and Trunk VLAN
- DHCP
- Web server, ports and telnet
- DNS and nslookup
- Connecting two networks using a router, default gateway
It is recommended to follow the chapters in the order mentioned above.
Click on the link below to start the first chapter:
How to configure Nextcloud using Docker
Nextcloud is a web based file server which offers multiple features including chat, video conference and file sharing.
Connecting two networks using a router
Let us consider two PCs with following IP addresses:
DNS
DNS stands for domain name system. It is a system which was established to access servers using domain names instead of IP addresses. Now, it serves other major purposes among which is the domain related email service.
Web server, network ports and telnet
The server which was used as a DHCP server can also be used as a web server.
DHCP
DHCP stands for Dynamic Host Configuration Protocol. DHCP is used to dynamically configure a device in the network. In this example, we will use a DHCP server to dynamically assign IP and subnet masks to connected devices.
Connecting three PCs using switch
In this example, we connect three PCs using a switch instead of a hub.
Connecting three PCs using hub
Earlier, we connected two PCs directly in point to point connection. Now, to connect three PCs we will need an additional device. In this case, we will use a hub and see how it works.