Database Server

• If the servers have issue with connecting to the portal server, please check:

  1. /etc/resolv.conf

  2. /etc/resolvconf/resolv.conf.d/head

  3. /etc/dnsmasq.conf

  4. /etc/netplan/<file>.yaml

• Check DNS Port via executing these commands:

  • ss -lptn 'sport = :53'

• Check services via executing these commands:

  • systemctl status postgresql*

• Check server resources via executing these commands:

  • df -h

  • top

  • btop (if exists)

  • lsblk

  • ncdu (if exist)

• Navigate to the portal server and test the connection:

  • ping <db_server_ip>

  • telnet <db_server_ip> 5432