Updates transfering_files.md

```

## Socat

Server receiving file:

```

server$ socat -u TCP-LISTEN:9876,reuseaddr OPEN:out.txt,creat && cat out.txt

client$ socat -u FILE:test.txt TCP:127.0.0.1:9876

```

Server sending file:

```

server$ socat -u FILE:test.dat TCP-LISTEN:9876,reuseaddr

client$ socat -u TCP:127.0.0.1:9876 OPEN:out.dat,creat

```

## With php

```

then you enter a name for the key.

Enter file in which to save the key (/root/.ssh/id_rsa): nameOfMyKey

Enter passphrase (empty for no passphrase): 

Enter file in which to save the key \(/root/.ssh/id\_rsa\): nameOfMyKey  

Enter passphrase \(empty for no passphrase\):   

Enter same passphrase again:

This will create two files, one called `nameOfMyKey` and another called `nameOfMyKey_pub`. The one with the `_pub` is of course your public key. And the other key is your private.

2. Add your public key to authorized_keys.

1. Add your public key to authorized\_keys.

Now you copy the content of `nameOfMyKey_pub`.   

On the compromised machine you go to `~/.ssh` and then run add the public key to the file authorized_keys. Like this 

On the compromised machine you go to `~/.ssh` and then run add the public key to the file authorized\_keys. Like this

```bash

echo "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDQqlhJKYtL/r9655iwp5TiUM9Khp2DJtsJVW3t5qU765wR5Ni+ALEZYwqxHPNYS/kZ4Vdv..." > authorized_keys

```

3. Log in.

1. Log in.

Now you should be all set to log in using your private key. Like this

# Copy a directory:

scp -r /path/to/source/dir username@192.168.1.101:/path/to/destination

```