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+##### For an Ubuntu OS:
+Firstly, you need to update your OS else they may occur problems during installations.
+
+```
+$sudo apt update
+$sudo apt upgrade
+```
+##### Fix Network Issues
+```
+$sudo su
+// Delete auto-generated files
+#rm /etc/resolv.conf || true
+#rm /etc/wsl.conf || true
+
+//Enable changing /etc/resolv.conf
+//Enable extended attributes on Windows drives
+cat <<EOF > /etc/wsl.conf
+[network]
+generateResolvConf = false
+
+[automount]
+enabled = true
+options = "metadata"
+mountFsTab = false
+EOF
+
+//Use google nameservers for DNS resolution
+cat <<EOF > /etc/resolv.conf
+nameserver 8.8.8.8
+nameserver 8.8.4.4
+EOF
+```
+##### Installation of Docker
+```
+$sudo -l # To ensure that we can run apt as root
+$sudo apt install -y lsb-release
+$sudo apt install -y curl
+$curl -V # Ensure that curl is installed and in a modern version
+$sudo apt install software-properties-common
+
+$curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg # To add the gpg key on our keyring
+
+echo \
+  "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian \
+  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+//Add the official repo on apt or any other package manager
+
+$sudo apt install -y docker-ce # Actually installing docker
+$sudo usermod -aG docker $USER # Add current user to the docker group
+$su - ${USER} # Reload our shell
+
+$docker --version # See the docker version
+$docker run  hello-world # Test if docker really works
+```
+
+##### Fix "x509: certificate signed by unknown authority" issue
+```
+$sudo su
+#touch set-ca.sh
+
+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
+
+$sudo bash ./set-ca.sh
+```
+##### Docker-Compose
+```
+$sudo curl -L "https://github.com/docker/compose/releases/download/1.27.4/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
+```
+