The Archives

  • 17.Oct.08
    DHCP, inverted commas and ssh with RSA automated, security | pfortuny | (1)
    There is a server I manage (called alex) which has not a fixed IP. As you know, I have a shell at the best Unix server out there (by the way, it is almost free. The problem is to keep an up-to-date record of the first server's IP address. I do it as follows (and yes, I know timtowtdi). What I did was: Create an RSA public/private key pair at alex: alex $ ssh-keygen -N'' -f 'id_alex' -t rsa which creates the files id_alex and id_alex.pub. Create a cron job for my account at alex which looks like 5,10,15,20,25,30,35,40,45,50,55,0 * * * * /usr/bin/ssh -i ...