Apr  9 06:36:33 homer CRON[20025]: pam_unix(cron:session): session closed for user root
Apr  9 06:36:47 homer sshd[20345]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.183.209.134  user=root
Apr  9 06:36:49 homer sshd[20345]: Failed password for invalid user root from 123.183.209.134 port 15634 ssh2