If you're not happy with leaving an older version somewhere, then simply open the file at /var/lib/cloud/seed/nocloud-net/user-data, and change your hostname at the […]
https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-elasticsearch-on-ubuntu-20-04 To test: Run from the local server to see if the server can connect to the elasticsearch cluster: curl -X […]
First Reference How to use iptables in Ubuntu to block whole countries Second Reference https://blog.jeshurun.ca/technology/block-countries-ubuntu-iptables-xtables-geoip Third Reference Significant Changes to Accessing […]