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Add / Create a Sudo User on CentOS Linux 8

last updated December 3, 2019 in CentOS, Linux, User Management

How do I add / create a sudo user on CentOS Linux 8 using the command line?

How to add or mount directory in LXD (Linux container)

last updated December 2, 2019 in Linux, Linux Containers (LXC), User Management, Virtualization

I have two LXD containers running. One is for Nginx, and another is for processing data. I need to share data between two containers. How do I add or mount a shared directory between two?

Configure Nginx to use TLS 1.2 and 1.3 only

last updated December 1, 2019 in CentOS, Debian / Ubuntu, Linux, Nginx, Security, Suse, UNIX

How do I enable and configure TLS 1.2 and 1.3 only in Nginx web server?

How to set up a firewall using FirewallD on OpenSUSE Linux

last updated December 1, 2019 in Iptables, Linux, Security

I am a new OpenSUSE Linux 15.x sysadmin. How do I set up a firewall using FirwallD on OpenSUSE Linux 15.1?

How to check and list installed packages in CentOS Linux

last updated November 29, 2019 in CentOS, Linux, Package Management

How do I check installed packages in CentOS Linux version 6.x/7.x/8.x? How can I List installed packages on CentOS Enterprise Linux server?

How to install and use Nginx on CentOS 8

last updated November 24, 2019 in CentOS, Linux, Networking, Nginx

How do I Install Nginx on CentOS 8 Linux server? How can configure the latest version of Nginx web server on a CentOS Enterprise Linux 8 server using the CLI and host a static site?

How to Create a new user account in CentOS 7/8

last updated November 24, 2019 in CentOS, Linux, User Management

How do I create a new user account on CentOS 7/8 Linux server using command-line options? How do I create a new user account with sudo access on CentOS 8 Linux server?