This is a quick reference guide on how to check your network interfaces on Linux Based Operating Systems.
1. ifconfig -a
root@FTP1:~# addgroup ftpgroup user1 addgroup: The user `ftpgroup' does not exist. root@FTP1:~# adduser user1 ftpgroup Adding user `user1' to group `ftpgroup' ... Adding user user1 to group ftpgroup Done. root@FTP1:~# adduser user2 ftpgroup Adding user `user2' to group `ftpgroup' ... Adding user user2 to group ftpgroup Done.
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