re point 3, do you have 'telnetd' installed. You should probably use ssh unless you have a good reason not to. On Fri, Apr 26, 2013 at 12:04 AM, Adekoya Adekunle < adekunleadekoya@xxxxxxxxx> wrote: > I want to know the right command to type from a bash shell so that i can > 1) Check the version of my cent os > 2) Check all the open ports (tcp and udp) on my machine > 3) Open a specific port say port 3306 so that a telnet request from a > remote machiene can be accepted > 4) Disable the effect of 3 above in case I want to > > Thanks in anticiaption of your kind responses to the questions above. > _______________________________________________ > CentOS mailing list > CentOS@xxxxxxxxxx > http://lists.centos.org/mailman/listinfo/centos > _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos