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26 Cards in this Set

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ssh scp and sftp are?

utilities that come with unix

ssh scp and sftp are ______ versions of other utilities

secure

ssh

allows you to login to another, remote machine from yours

ssh is a secure version of?

Telnet

scp

allows you to copy a file to or from your local machine to the remote machine

scp cannot copy what file

/etc/shadow

sftp stands for

secure file transfer protocol

sftp is a secure version of what

ftp

ssh scp sftp ____ the network traffic

encrypt

key-based login uses how many numbers

2

Key based login numbers are store where?

The public key is for the remote machine, the private on eis stored in the .ssh directory on your computer

ssh-keygen does what?

generate 2 keys

what are the 2 differnet types of encrytion algorithms?

RSA- rivet shamir adleman algorthim




DSA digital signature algortihm

how many bits is a key?

2048 deafult by using -t




4096 by using -b

create a key

ssh-keygen -t rsa -b 4096

what 2 files are created once a key is made

id_rsa and id_rds.pub

how would you move your public key to authorized keys?

cat id_dsa.pub >> authorised_keys

rdist stands for?

Remote distribution

what does rdist do?

distributes copies of file from one machine to many

what does rdist use by default to transfer files?



rsh, tell it to use ssh

how does rdist work?

the orgional files are on a master machine, rdist distrubutes then to the slave machines. this can be done from the command line, or by running the rdist untility deamon

what 3 bits of info does rdist need

absolute pathnames

we tell rdist the path to rdist using?

-p

we tell rdist the path to ssh using?

-P

what does running rdist look like from the command line

rdist -p $(which rdist) -P $(which ssh) ~/Distfile

shell an rdist

LABEL: SOURCE -> TARGET_MACHINE


install TARGET_DIRECTORY;




source is absolute path or directory


target machine is the host name




hosts: /etc/hosts -> (itvm25-1)


install /etc/hosts