Viewing posts for the category DevOps

Change SSH port on your CentOS server

4 years, 6 months ago CentOS, DevOps

When you install CentOS on your server then your default SSH port is 22. It’s default, I mean, all servers with CentOS operating system normally have port 22 opened. Any hacker may flood this port or try to connect via this port and can do any harm to the server. So the better practice is to change the port. Though it can’t do much for you, but I believe that it’s quite impossible to find out a SSH port for a hacker where the appropriate range is too long to guess the correct port. Here I will guide only to change the SSH port to another non-privileged port. Let’s start.

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Change WHM Nameserver IPs

4 years, 10 months ago CentOS, DevOps

If you are using a VPS and you have cPanel installed on it, then you may need to update or change WHM Nameserver IPs for various reasons. If you simply try to change it, you will find that they are not changing accurately. For this, you have to do it manually I mean you may do it by command.

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