Question: things to do after installing centos?
Answer: Configure the static ip on the server. The first thing we will do is to configure Static IP address, Route and DNS to the CentOS Server. ... 
Update the kernel & Upgrade CentOS. ... 
Set Hostname of Server. ... 
​Install Command Line Web Browser. ... 
Install wget & 7-zip. ... 
Install GCC & Java ​ ... 
Install Rootkit Hunter. ... 
Install Apache HTTP Server.