### Week 1
### Session 1
### System & Network Administration Fundamentals
### Nataliya Tupikina
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## 1. Creating a Virtual Network
Ubuntu Server and Clients installed with VirtualBox



Ubuntu Server is in the same network as Ubuntu Clients

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## 2. Creating and Setting up a DHCP Server
Turning off DHCP in VirtualBox

Dnsmasq running on Server

Setting dnsmasq in /etc/dnsmasq.conf

Clients have new IP, which lie between 192.168.56.10 and 192.168.56.20. Also shows Client pinging the google.com

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## Bonus
ARP - Adress Resolution Protocol, used to resolve IP adresses to MAC adresses. ARP cache stores IP adress to MAC adress associations. There are Dynamic and Static ARP entries.