RHEL 8 HowTo - Linux / Unix Q & A from nixCraft

How To Install EPEL Repo on an RHEL 8.x

last updated August 15, 2019 in Linux, Package Management, RedHat and Friends

How do I install the extra repositories such as Fedora EPEL repo on an Red Hat Enterprise Linux server version 8.x?

Linux disable firewall command

last updated April 16, 2019 in Iptables, Linux, Networking, Security

I am a new Linux system administrator. I have a hardware-based firewall, so I don’t need a firewall on each server. How do I disable the firewall on Linux?

RHEL 8 install Python 3 or Python 2 using yum

last updated March 5, 2019 in Package Management, Python, RedHat and Friends

I need to install Python 3 for Ansible IT automation tool on RHEL 8. How do I install Python 3 on RHEL 8? Is it possible to install Python 2 for legacy apps on RHEL 8?

How to secure Apache with Let’s Encrypt Certificates on RHEL 8

last updated December 14, 2018 in Apache, Linux, RedHat and Friends, Security

I read that Let’s Encrypt is a free, automated, and open certificate for web server and other usages. How do I secure Apache with Let’s Encrypt Certificates on RHEL 8?

How To Install Linux, Apache, MySQL, PHP (LAMP) stack On RHEL 8

last updated December 14, 2018 in Apache, Linux, MySQL, PHP, RedHat and Friends

How do I set up a LAMP stack on RHEL 8 cloud server or VPS or bare metal server? How can I install Linux, Apache, MySQL/MariaDB, PHP (LAMP) stack On RHEL (Red Hat Enterprise Linux) 8?

How to set up a firewall using FirewallD on RHEL 8

last updated December 3, 2018 in Linux, Networking, RedHat and Friends, Security

I am a new Red Hat Enterprise Linux sysadmin. How do I set up a firewall using FirwallD on RHEL 8?

How to install and setup PostgreSQL on RHEL 8

last updated December 1, 2018 in PostgreSQL, RedHat and Friends

How do I install PostgreSQL relational database management on RHEL 8 using the command line? How do I install and setup PostgreSQL on RHEL 8 server using application streams?