Note: we do not have RHEL subscription repository that is why I use dependency packages from CentOS 8.x instead.Ĭat <<'EOF' | sudo tee /etc//dockerdeps.repo Create custom repository to install Docker dependency packages on RHEL 8.x.Configure local repository to install packages from RHEL disk.Install Docker Engine for each node(s) (manager & worker(s)) – UDP port 4789 for overlay network traffic # Firewall settings for manager node(s)įirewall-cmd -permanent -add-port=2377/tcpįirewall-cmd -permanent -add-port=7946/tcpįirewall-cmd -permanent -add-port=7946/udpįirewall-cmd -permanent -add-port=4789/udpįirewall-cmd -reload # Firewall settings for worker node(s)Ĥ. – TCP and UDP port 7946 for communication among node(s) – TCP port 2377 for cluster management communications Open protocols and ports between the hosts ![]() Let iptables see bridged traffic cat <<EOF | sudo tee /etc/sysctl.d/nf
0 Comments
Leave a Reply. |