Resolution of an error in the Dovecot configuration file regarding the unknown protocol sieve is explained.
The ss command gives the socket statistics. It gives information about the network connections. ss is a replacement for the netstat command.
The ip command is used for IPv4 and IPv6 network configuration. It replaces the previous ifconfig and other similar commands.
The netstat command in Linux provides information about network connections, routing tables and network interface statistics.
Routing Table contains routes for forwarding the IP packets on each network interface. Commands to update the Routing Table are explained.
The UTC is available as a standard from NMIs and can be used for synchronizing a computer's clock using the Network Time Protocol (NTP).