The hostname command on Linux shows the local machine name. It can also be used to change the machine name if a new name is provided as an argument.
It supports the -—fdqn (Fully Qualified Domain Name) option, which returns the system name plus the domain.
Example:
$ hostname www.certificacionlinux.com
The sudo command on Linux executes a given command as if it were another user.…
The ss command on Linux is extremely useful for investigating sockets, providing various information about…
Free Linux command shows the amount of total memory in use and available, as well…
The shell has structures for testing conditions and executing certain program sequences several times (loop),…
The /etc/fstab file stores the configuration of which devices should be mounted and what is…
The Netcat Command in Linux or nc is a utility used to do “almost anything”…
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