i) scp
ii) ssh directo a partir do computador para onde se vão copiar os ficheiros (ssh user@host “cat /path/file_a_copiar” > file_destino)

SCP

The scp command allows you to copy files over ssh connections. This is pretty useful if you want to transport files between computers, for example to backup something. The scp command uses the ssh command and they are very much alike. However, there are some important differences.

The scp command can be used in three* ways: to copy from a (remote) server to your computer, to copy from your computer to a (remote) server, and to copy from a (remote) server to another (remote) server. In the third case, the data is transferred directly between the servers; your own computer will only tell the servers what to do. These options are very useful for a lot of things that require files to be transferred, so let’s have a look at the syntax of this command:

[rechosen@localhost ~]$ scp examplefile yourusername@yourserver:/home/yourusername/

Looks quite familiar, right? But there are differences. The command above will transfer the file “examplefile” to the directory “/home/yourusername/” at the server “yourserver”, trying to get ssh acces with the username “yourusername”. That’s quite a lot information, but scp really needs it all. Well, almost all of it. You could leave out the “yourusername@” in front of “yourserver”, but only if you want to login on the server with your current username on your own computer. Let’s have a closer look at the end of the command. There’s a colon over there, with a directory after it. Just like Linux’s normal cp command, scp will need to know both the source file(s) and the target directory (or file). For remote hosts, the file(s)/directory are given to the scp command is this way.

You can also copy a file (or multiple files) from the (remote) server to your own computer. Let’s have a look at an example of that:

[rechosen@localhost ~]$ scp yourusername@yourserver:/home/yourusername/examplefile .

Note: The dot at the end means the current local directory. This is a handy trick that can be used about everywhere in Linux. Besides a single dot, you can also type a double dot ( .. ), which is the parent directory of the current directory.

This will copy the file “/home/yourusername/examplefile” to the current directory on your own computer, provided that the username and password are correct and that the file actually exists.

You probably already guessed that the following command copies a file from a (remote) server to another (remote) server:

[rechosen@localhost ~]$ scp yourusername@yourserver:/home/yourusername/examplefile yourusername2@yourserver2:/home/yourusername2/

Please note that, to make the above command work, the servers must be able to reach each other, as the data will be transferred directly between them. If the servers somehow can’t reach each other (for example, if port 22 is not open on one of the sides) you won’t be able to copy anything. In that case, copy the files to your own computer first, then to the other host. Or make the servers able to reach each other (for example by opening the port).

Well, those are the main uses of scp. We’ll now go a bit more in-depth about the differences between ssh and scp.

*: Actually you can also use it just like the normal cp command, withhout any ssh connections in it, but that’s quite useless. It requires you to type an extra ’s’ =).

Specifying a port with scp

The scp command acts a little different when it comes to ports. You’d expect that specifying a port should be done this way:

[rechosen@localhost ~]$ scp -p yourport yourusername@yourserver:/home/yourusername/examplefile .

However, that will not work. You will get an error message like this one:

cp: cannot stat `yourport’: No such file or directory

This is caused by the different architecture of scp. It aims to resemble cp, and cp also features the -p option. However, in cp terms it means ‘preserve’, and it causes the cp command to preserve things like ownership, permissions and creation dates. The scp command can also preserve things like that, and the -p option enables this feature. The port specification should be done with the -P option. Therefore, the following command will work:

[rechosen@localhost ~]$ scp -P yourport yourusername@yourserver:/home/yourusername/examplefile .

Also note that the -P option must be in front of the (remote) server. The ssh command will still work if you put -p yourport behind the host syntax, but scp won’t. Why? Because scp also supports copying between two servers and therefore needs to know which server the -P option applies to.

(live @ the london astoria - 2002)

Im not scared anymore
Im not scared of the dark when I sleep with you
And Im feeling alive
And Im feeling strong again when Im with you
And it hits me
Just like a runaway train
And it blows me away
Just like a hurricane
You can make me happy and I hope you feel the same
You make me feel just like a child, a child again

Im not trapped anymore
Between madonna and the whore when I lay with you
And the days run away
Like wild horses run away when Im with you
And Im breathing you in
Just like the morning air
And Im wrapping you around
Just like a skin to wear

You can make me happy and I hope you feel the same
You make me feel just like a child, a child again

Oh sweet thing
Im born once again
For you sweet thing
Just like a baby again
You make me happy and I hope you feel the same
And Im in heaven and it feels like a gentle rain
You make me happy and I want you to feel the same
You make me feel just like a child
A child again

Thats quite usefull for those, like me, who have used last.fm for years now.

here’s the link to those scripts

Altough the service already supports a bunch of media players, it doesn’t officially supports my actual favorite player banshee. That problem has been overcome today with the help of the online comunitie.

the solution is  quite simple. just edit /etc/hosts and add the following line:

89.16.177.55 post.audioscrobbler.com

Fortunately i’m not the only one unpleased with last.fm current course and alternatives are beginning to emerge. There for i’ve decide to migrate my scrobbling to Libre.fm. here’s my new home (http://alpha.libre.fm/user/lothar_m)

More info on this project can be found here

“Loving you
Isnt the right thing to do
How can I ever change things
That I feel

If I could
Maybe Id give you my world
How can i
When you wont take it from me

You can go your own way
Go your own way
You an call it
Another lonely day
You can go your own way
Go your own way

Tell me why
Everything turned around
Packing up
Shacking up is all you wanna do

If I could
Baby Id give you my world
Open up
Everythings waiting for you

You can go your own way
Go your own way
You an call it
Another lonely day
You can go your own way
Go your own way”

E agora com sotaque irlandes

my little contribution in answer to this post. later i’ll print it out a copy to post somewhere.