Introduction In this tutorial, we’ll show you how to setup a free TLS/SSL certificate for your website on a CentOS 7 Linux server running Apache web server software.  Let’s Encrypt provides an easy way to obtain and install trusted certificates for free, and this process can be completely automated on CentOS 7 with free “certbot” software. … Read More

Disabling IPv6 on CentOS 7.5 is easy. This method was tested on a virtual server running in DigitalOcean and persists after reboots. First, let’s check to see that IPv6 is in fact enabled in a default CentOS 7.5 virtual server: [root@server ~]# ifconfig -a | grep inet6 inet6 fe80::xxxx:xxxx:xxxx:xxxx prefixlen 64 scopeid 0x20 inet6 ::1… Read More