How To Configure Networking In Vagrant
Vagrant is so popular among developers and DevOps engineers, because they can be able to continue using existing development tools (E.g. editors, browsers, debuggers, etc.) on their local system. For …
How To Use Vagrant With Libvirt KVM Provider
Vagrant is not a stand-alone virtualization platform. It relies on other virtualization providers such as Virtualbox, KVM, Docker, VMWare to create and run virtual machines. Vagrant supports 30+ providers. You …
How to issue Let’s Encrypt wildcard certificate with acme.sh and Cloudflare DNS
I read your Let’s Encrypt TLS/SSL certificate acme.sh tutorial. But, I need to set up and use Cloudflare DNS with acme.sh. How do I secure my Nginx web server with …
How to push/send message to iOS and Android from Linux CLI
One of the essential tasks for developers and sysadmin is to get an alert notification about failed services or running out of disk space and other critical failures. Let us …
How To List Docker Images
Docker images are a big part of the Docker ecosystem. Docker images are used to define instructions to be executed on your containers. On Docker images, you may choose to …
Ansible zypper update all packages on OpenSUSE/SUSE
I got a cluster of servers powered by OpenSUSE / SUSE Enterprise Linux. How can I update all of them using the zypper module of Ansible? How can I use …
System76 Announces AMD Threadripper Linux Workstations
System76 is a Denver, Colorado-based American computer manufacturer. They are specializing in the sale of Linux powered laptops, desktops, and servers. Last year System76 announced two Intel laptops with Coreboot, …
Ansible apt update all packages on Ubuntu / Debian Linux
I have a bunch of servers powered by Ubuntu and Debian Linux. How do I update all of them using the apt module of Ansible? How can I use Ansible …
Docker Exec Command With Examples
Founded in 2010 by Solomon Hykes, Docker is a containerization platform that provides features in order to install, deploy, start and stop containers. When running containers, you often want to …
How to Install Docker on CentOS 8
CentOS 8 comes with its own tools, buildah and podman, which are compatible with existing docker images and work without relying on a daemon, allowing the creation of containers as …