1.0 Error: While configuring the Dovecot Mail Delivery Agent, the Dovecot server would not start and the following error messages were printed. $ sudo systemctl start dovecot Job for dovecot.service…
1. ss command The ss command gives the socket statistics. It gives information about the network connections. ss is a replacement for the netstat command. By default, the ss command…
1.0 INTRODUCTION The iproute2 package contains utilities for network and traffic control. The major commands in iproute2 package are the ip command for IPV4 and IPV6 configuration and tc for…
1. netstat command The netstat command in Linux provides network statistics and information about the networking subsystem. It gives information about network connections, routing tables and network interface statistics. For…
In Internet, the Internet Protocol (IP) is at the Network Layer, which is the third layer of the ISO reference model of network architecture. IP deals with IP packets or…
Coordinated Universal Time The Coordinated Universal Time (UTC) is the universally accepted time standard based on atomic clocks with leap seconds added judiciously to keep it in tune with the…