Table of Contents

Docker

Attach / Dettach

docker attach <id|name>
Prevent termination while <Ctrl> + C in term

by changing sig proxy it can be prevented. 

docker attach --sig-proxy=false <id|name>

Host Firewall

Setting up firewall port forwarding and exposing service to world or specific IP. 

# Forwarding port traffic
firewall-cmd --permanent --zone=public --add-forward-port=port=3030:proto=tcp:toport=3030
 
# Allowing access from specific host
firewall-cmd --permanent --zone=public --add-rich-rule="rule 
family="ipv4" \
source address="192.168.1.5/32" \
port protocol="tcp" port="3030" accept"