Ensure VM port security is disable in openstack to allow has multiple IP/MAC combination Create a bridge in linux Add physical interface to the bridge […]
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Ansible
It focuses on reaching a desired state component Inventories Playbooks Plays Tasks Modules Inventories It is the list of nodes/hosts, can be static or dynamic […]
Continue readingFirewall & iptables
In Linux, iptables is the kernel-level firewall feature iptables works by allowing you to create rules that can be applied to every packet that tries […]
Continue readingMultiple ssh p_key
Here is a simple configuration of adding multiple ssh private key to connect to the host with different private key from client: create a file […]
Continue readinghaproxy+keepalived
This is the sample configuration of haproxy as load balancer and keepalived to make load balancer high available
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