for move file —>  mv noldfile newfile to make new directory > mkdir dirname to put file into a new directory > mv textfile dirname/ to change file name > rm filename to view the text file …>>>>> less filename to add new user >>> useradd to del user >>> userdel username less command to … Read more

>ssh-keygen -t rsa (In Remote Machine) >ls /root/.ssh > id_rsa id_rsa.pub > cat id_rsa.pub >> authorized_keys > ls > id_rsa id_rsa.pub authorized_keys Now copy the id_rsa file into the $HOME/.ssh/ directory of the client machine. > ssh root@server_ip_address or Copy the id_rsa file into the any location of the client machine >ssh -i location/id_rsa root@server_ip_address