psylogical.org

Meassure connection time with curl

Get response time with curl:

Total time

curl -o /dev/null -s -w 'Total: %{time_total}s\n' https://www.google.com

Establish connection/time to first byte/total time

Controlling the Screen
The following shortcuts allow you to control what appears on the screen.

Check your IPv6 subnet with
subnetcalc ipv6_ip_address

Check indexes and its sizes

GET /_cat/indices

Check single index
GET /my_index_name/_stats

systemctl list-unit-files | grep enabled

For a dig with dns request flow response use

dig hostname.tld +trace

First part of ipsec site2site VPN

This setup is done on Mikrotik (or any similar router side)

Allocation setting example, work both for cluster setting or index settings

check status
ipsec status

check connections
ipsec statusall

check certs
ipsec listcerts