SSH Public Key Private key

SSH configuration file
Vi/etc/ssh/sshd_config

Putty Download
Http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html

Public key encryption, private key decryption

Open Puttygen Click genenrate Generate Public key
Set the password
Save private key to PC by clicking on Save private key

Save the public key to
Mkdir/root/.ssh
CD. ssh/
Vim Authorized_keys

Ssh-rsa aaaab3nzac1yc2eaaaabjqaaaqeaj/bc0eyjqea1/zse4xw3b18qpbmiicsydtjdoxvrl1+aobtwvbnegpcdpm+zus1uqwczotg+ vupvkux1slqkwk/rfdazvmtlg6umozmb6kllli4mhhgbfh1xs+nutx6s7nidlkvohw37t/ aigxf7i9hdslzbgsepgtafpapvahbjr2divisdkn4rd3s+b4jykix/cp5u8b0pcq3+ Ozuu6qf0zerzxjstwe1rzeorheaygsgxihuflbs1uf3ujs0mdmpxy7/dtgvqdjwfclnvkaairr6ccwfr1c/83n/yke5atvu3pfm9jnhnwdcd+j +pgym1fegjvfxsevp2cgshzq== rsa-key-20150623

chmod 600/root/.ssh/
chmod 700/root/.ssh/authorized_keys

Iptables-f clear These Rules
Service Iptables Save

Getenforce viewing the status of SELinux

Vi/etc/selinux/config go in and change his profile to permanently set his state.

Setenforce 0 temporary entry into force

Finally open putty load private key come in Ssh->auth

SSH configuration file
Vi/etc/ssh/sshd_config plus the following line prohibits key login
Permitrootlogin Without-password

Do not log on as a remote root user
[Email protected] ~]# Vi/etc/ssh/sshd_config
#LoginGraceTime 2m
Permitrootlogin no modify here
#StrictModes Yes
[[Email protected] ~]# service sshd restart =/etc/init.d/sshd restart

SSH Public Key Private key