From db41c7dceef6e9e2ea0ed66ac05c6285d5c0400c Mon Sep 17 00:00:00 2001
From: Panagiotis_Klironomos <cs151128@uniwa.gr>
Date: Mon, 16 Nov 2020 11:25:41 +0000
Subject: [PATCH] Update 'README.md'

---
 README.md | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 60 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index f9d8588..e9c6ef2 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,61 @@
-# Swarmlab_Sec
 
-[![asciicast](https://asciinema.org/a/373216.svg)](https://asciinema.org/a/373216)
\ No newline at end of file
+
+
+## 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
+```
+
+[![asciicast](https://asciinema.org/a/373216.svg)](https://asciinema.org/a/373216)