A port is a logical entity that represents an endpoint of communication and is associated with a given process or service in an operating system. In previous articles, we explained how to find out the list of all open ports in Linux and how to check if remote ports are reachable using the Netcat command.
As a Linux administrator, you must periodically check which files and folders are consuming more disk space. It is very necessary to find unnecessary junk and free up them from your hard disk. This brief tutorial describes how to find the largest files and folders in the Linux file system using du (disk usage)
In our previous article, we have seen 20 Netstat Commands (netstat now replaced by ss command) to monitor or manage a Linux network. This is our another ongoing series of packet sniffer tool called tcpdump. Here, we are going to show you how to install tcpdump and then we discuss and cover some useful commands
The ip command is a new networking command-line utility that is used to assign an IP address to a network interface or configure/update useful network variables on a Linux system. It is a part of the iproute2 package and offers several network administration tasks such as bringing up or down network interfaces, assign and remove