chore(gitea): run on lxc on turris omnia

knowledge base/linux/alpine.md

@@ -6,6 +6,17 @@
 ## TL;DR
 
 ```sh
+# Set the correct hostname.
+echo 'gitea' > '/etc/hostname'
+hostname -F '/etc/hostname'
+
+# Configure DHCP.
+cat <<EOF > '/etc/network/interfaces'
+auto eth0
+iface eth0 inet dhcp
+iface eth0 inet6 dhcp
+EOF
+
 # Create users.
 adduser 'somebody'
 adduser -DHS -G 'docker' 'docker'
@@ -15,6 +26,10 @@ addgroup 'new-group'
 
 # Add users to groups.
 addgroup 'nobody' 'docker'
+
+# Start services.
+rc-update add 'gitea'
+rc-service 'gitea' start
 ```
 
 ## Further readings