Palestra ministrada no Giran Siege

1. Almir 'm3nd3s'
@m3nd3s
http://www.almirmendes.com
almir.mendes@giran.com.br
http://www.flickr.com/photos/polarboy/2856319701

2. Dicas
http://www.flickr.com/photos/danielygo/4995689835

3. Fingerprint
$ ssh -A 192.168.3.11 -l root
The authenticity of host '192.168.3.11 (192.168.3.11)'
can't be established.
RSA key fingerprint is
a3:1e:e7:3e:22:86:3d:8a:5d:6b:cc:3d:ac:f7:87:2a.
Are you sure you want to continue connecting (yes/no)?

4. Mas porque?
http://www.flickr.com/photos/98157122@N00/3274734764

5. /////////
PORRA!
Vai dizer que não
sabia dessa!?
Sei se
eu quiser!!!!
http://www.flickr.com/photos/atomtigerzoo/3821873510

6. Acesso
$ ssh m3nd3s@almirmendes.com
# ou
$ ssh -l m3nd3s almirmendes.com

7. Sussa!
http://www.flickr.com/photos/dvdstelt/2384629157

8. E agora?
http://www.flickr.com/photos/kattanapilot/3336650785

9. SSH Keys
http://www.flickr.com/photos/practicalowl/256628505

10. Gerando
$ ssh-keygen -t rsa -C “Minha Chave” -f m3nd3s
$ ls .
-rw------- 1 m3nd3s staff 1675 m3nd3s
-rw-r--r-- 1 m3nd3s staff 397 m3nd3s.pub

11. m3nd3s
Chave PRIVADA!!!!
m3nd3s.pub
Chave publica ;)

12. Ok, tá bom!
É SÓ ISSO?!?!

13. Authorized Keys
No servidor:
~/.ssh/authorized_keys2 # Permissão 600
~/.ssh # Permissão 700

14. Acesso s/ senha
$ ssh root@almirmendes.com
$ ssh -A root@almirmendes.com
Hum?!? propaga a chave
http://www.flickr.com/photos/niallcorbet/5696478308

15. Cmd Remoto
$ ssh m3nd3s@almirmendes.com 'touch ~/tmp/restart.txt'
http://www.flickr.com/photos/sarahandmikeprobably/3330705509

16. Debug
ssh -v m3nd3s@almirmendes.com
ssh -vv m3nd3s@almirmendes.com
http://www.flickr.com/photos/spacial/4636903821

17. O que você faria?
192.168.0.5:3000

18. Port Forwarding
ssh -v -L 2222:localhost:22 root@almirmendes.com
sleep 100
http://www.flickr.com/photos/ncreedplayer/4014247275

19. SFTP
$ sftp root@www.almirmendes.com:/tmp
Connecting to www.almirmendes.com...
Changing to: /tmp
sftp>

20. Screen
$ screen
CTRL + A + C CTRL + A + A CTRL + A + [num] CTRL + D

21. Remote Pair
Programming
Usuário 1:
$ screen
Usuário 2:
$ screen -x

22. O_o'
$ tar zcvf - /var/www | ssh m3nd3s@almirmendes.com "cat >
backup.tar.gz"
Hum?!?

23. Referências
$ man ssh
$ man screen
$ man scp
$ man sftp

24. Contatos
Almir 'm3nd3s'
@m3nd3s
http://www.almirmendes.com
almir.mendes@giran.com.br
m3nd3s@gmail.com