---
title: Cloud
description: 
published: true
date: 2019-12-07T11:07:07.334Z
tags: 
---

# Header

## Oracle Cloud

Tier: monzi

### Create Instance

#### Assign Public Ip
Compute > Instances > Instance > DetailsAttached > VNICs > VNIC Details
![cloud_wireguard_ip.png](/cloud_wireguard_ip.png)

### Open Port from extern

Networking > Virtual Cloud Networks >Virtual Cloud Network Details > Network Security Groups

![cloud_wireguard_ports.png](/cloud_wireguard_ports.png)

Networking > Virtual Cloud Networks >Virtual Cloud Network Details > Security Lists

### Wireguard Server


#### Install
```
sudo add-apt-repository ppa:wireguard/wireguard
sudo apt-get install wireguard
# Activate kernel module
sudo modprobe wireguard
```

#### Enable NAT
```
cat << EOF >> /etc/sysctl.conf
net.ipv4.ip_forward=1
EOF
sudo sysctl -p
```


#### Generate Keys
```
cd /etc/wireguard
umask 077
wg genkey | sudo tee privatekey | wg pubkey | sudo tee publickey

sudo vim /etc/wireguard/wg0.conf
```
Content:
```
[Interface]
PrivateKey = <your server private key here>
Address = 10.50.0.1/24
SaveConfig = false
PostUp   = iptables -A FORWARD -i wg0 -j ACCEPT; iptables -A FORWARD -o wg0 -j ACCEPT; iptables -t nat -A POSTROUTING -o ens3 -j MASQUERADE;
PostDown = iptables -D FORWARD -i wg0 -j ACCEPT; iptables -D FORWARD -o wg0 -j ACCEPT; iptables -t nat -D POSTROUTING -o ens3 -j MASQUERADE;
ListenPort = 54541
```

#### Start Server
```
# Start Server
sudo wg-quick up wg0
# Enable Server as Servuce
sudo systemctl enable wg-quick@wg0
```