## Εργαστήριο Ασφάλειας Δικτύων

Εργαστηριακά Βήματα Μαθημάτων 

 

## 1. **Docker Installation**

 ```
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
sudo apt update

sudo apt install docker*
 echo   "or"
 sudo apt install -y docker-ce
 
sudo systemctl status docker
sudo usermod -aG docker username     #οπου username το όνομα του χρήστη που θα δουλεύει με docker
```

**1.1 docker compose**

```
 sudo curl -L "https://github.com/docker/compose/releases/download/1.24.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
 sudo chmod +x /usr/local/bin/docker-compose
 sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
```
**1.2 certificate**

```
$ sudo su
# touch set-ca.sh
```

-   **copy-paste lines into set-ca .sh  file**
    

```
registry_address=registry.vlabs.uniwa.gr
registry_port=5043
mkdir -p /etc/docker/certs.d/$registry_address:$registry_port
openssl s_client -showcerts -connect $registry_address:$registry_port < /dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /etc/docker/certs.d/$registry_address:$registry_port/ca.crt
registry_port=5080
mkdir -p /etc/docker/certs.d/$registry_address:$registry_port
openssl s_client -showcerts -connect $registry_address:$registry_port < /dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /etc/docker/certs.d/$registry_address:$registry_port/ca.crt

registry_address=hub.swarmlab.io
registry_port=5443
mkdir -p /etc/docker/certs.d/$registry_address:$registry_port
openssl s_client -showcerts -connect $registry_address:$registry_port < /dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /etc/docker/certs.d/$registry_address:$registry_port/ca.crt

registry_port=5480
mkdir -p /etc/docker/certs.d/$registry_address:$registry_port
openssl s_client -showcerts -connect $registry_address:$registry_port < /dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /etc/docker/certs.d/$registry_address:$registry_port/ca.crt
```

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