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# System prepended metadata

title: Untitled

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### 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
![](https://i.imgur.com/9wP4DJZ.jpg)
![](https://i.imgur.com/eIj2MkJ.jpg)
![](https://i.imgur.com/Xk7oRrV.jpg)
Ubuntu Server is in the same network as Ubuntu Clients
![](https://i.imgur.com/6aMlbmN.jpg)

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## 2. Creating and Setting up a DHCP Server
Turning off DHCP in VirtualBox
![](https://i.imgur.com/R2IpA9W.jpg)
Dnsmasq running on Server
![](https://i.imgur.com/lUGK1GV.jpg)
Setting dnsmasq in /etc/dnsmasq.conf
![](https://i.imgur.com/KQGf8DA.jpg)
Clients have new IP, which lie between 192.168.56.10 and 192.168.56.20. Also shows Client pinging the google.com 
![](https://i.imgur.com/tt2TUEY.jpg)

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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. 


