User management in any operating system is one of the basic routine tasks of a system administrator. For a Linux-based OS, it usually involves creating user accounts, modifying existing accounts like changing their home directory, default shell, locking/unlocking one or more accounts, and removing user accounts. Before we investigate the commands and processes to carry…
Ansible is a very flexible and powerful configuration management tool that automates configuration processes and simplifies the administration of multiple systems with different activities that are part of a sysadmin’s day-to-day job. It works on the concept of control node and managed nodes and works over normal SSH connection without the need for allowing additional…
Ansible, a free and open-source Python-based project by Red Hat, is a popular configuration management and IT automation platform. It is multi-platform and can work with most modern operating systems, including Linux, Windows, and Mac. It supports a declarative language written in YAML or YAML Ain't Markup Language to describe system configuration. Ansible, along with…
Have you disabled AMP on your site and got an error from Google Search Console about “Referenced AMP URL is not an AMP”? Accelerated Mobile Pages or commonly known as AMP is an open-source web component framework originally created by Google which you could use to easily create user-first websites, stories, emails, and ads. Fundamentally,…
tar is one of the popular file archiving formats available in Unix and Linux-based systems. The name itself is derived from Tape ARchive as it was developed for writing sequential data on tape devices. It is also referred to as tarball sometimes. By default, tar only archives the files without compression but using some portions….
Docker, a popular OS-level virtualization platform that allows us to deliver applications in packages known as containers which in simple terms are isolated environments with their own software, libraries, and configuration files. Like any other modern software, logging events and messages like warnings and errors is an inherent part of the Docker platform, which allows…
Docker is a popular tool to build and run containerized applications. It is available for multiple platforms and used as one of the back-end container technologies in Kubernetes. In Docker, you either build your own images to run your application as a container, or you can pull and use thousands of public images from the…
Docker is a well-known platform that allows you to manage run and ship your applications as containers that package the OS and dependent libraries along with your application together. We’ll be covering managing Docker images, mainly briefing about the ways to list Docker images and get the required information and then building upon that learning…
APT or Advanced Package Tool is the Command Line utility for package management in Debian/Ubuntu-based distributions. It is one of the available package managers along with apt-get but like others it allows you to install, modify or remove different packages without building them from source code. It can do much more actions related to package…
gcloud is the primary CLI tool to work with Google Cloud resources. Using CLI tools offers automation options with easy-to-build scripts, which otherwise is not possible if you rely exclusively on the cloud provider’s web interface only. With gcloud CLI, you can create, modify and delete various types of Google Cloud resources like Google Compute…
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