http://wiki.dreamhost.com/SSH#Passwordless_Login Passwordless Login [edit] Unix, Linux, and Mac OS X Users can set up SSH so that they have passwordless ssh access to DreamHost servers. On your home computer, you must generate an RSA private key: ssh-keygen -t rsa It will prompt you for three things, hit enter to accept the default on all three. Next, you must copy your public key to DreamHost's server. Replace user and example.com with your username and domain name, respectively. scp ~/.ssh/id_rsa.pub user@example.com:~/ Now you must ssh to your account (using your password): ssh user@example.com Now append the public key to your authorized keys file and delete the file you uploaded: mkdir .ssh cat id_rsa.pub >> .ssh/authorized_keys rm id_rsa.pub Now make sure permissions are set properly for all necessary files and directories: chmod go-w ~ chmod 700 ~/.ssh chmod 600 ~/.ssh/authorized_keys

How to acces a server with ssh and public private key?

http://wiki.dreamhost.com/SSH#Passwordless_Login Passwordless Login [edit] Unix, Linux, and Mac OS X Users can set up SSH so that they have passwordless ssh access to DreamHost servers. On your home computer, you must generate an RSA private key: ssh-keygen -t rsa It will prompt you for three things, hit enter to accept the default on all three. Next, you must copy your public key to DreamHost's server. Replace user and example.com with your username and domain name, respectively. scp ~/.ssh/id_rsa.pub user@example.com:~/ Now you must ssh to your account (using your password): ssh user@example.com Now append the public key to your authorized keys file and delete the file you uploaded: mkdir .ssh cat id_rsa.pub >> .ssh/authorized_keys rm id_rsa.pub Now make sure permissions are set properly for all necessary files and directories: chmod go-w ~ chmod 700 ~/.ssh chmod 600 ~/.ssh/authorized_keys 07.12.13 touch ~/.ssh/config chmod 600 ~/.ssh/config echo "IdentityFile ~/.ssh/id_rsa.work" >> ~/.ssh/config echo "IdentityFile ~/.ssh/id_rsa.misc" >> ~/.ssh/config example of config Host *.home.lan IdentityFile ~/.ssh/id_dsa.home User kbsingh Host *.vpn IdentityFile ~/.ssh/id_rsa.work User karanbir Port 44787 Host *.d0.karan.org IdentityFile ~/.ssh/id_rsa.d0 User admin Port 21871 07.12.13

http://www.karan.org/blog/index.php/2009/08/25/multiple-ssh-private-keys

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