Bash Scripting and Linux Server Automation
Linux administration often involves repeating the same operations: checking application health, validating configuration files, organizing backups, collecting system information, and preparing routine
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Linux Networking, SSH, Logs, and Troubleshooting
A Linux server can be running normally and still be unreachable. An application may be healthy locally but inaccessible from another machine. A domain name may resolve to the wrong address, a service
Linux Processes, Services, Packages, and System Administration
A Linux server can run dozens or even hundreds of processes at the same time. Web servers, application runtimes, databases, monitoring agents, scheduled jobs, and system components all depend on those
Linux Users, Groups, Permissions, and Privilege Management
A Linux server can host multiple applications, services, administrators, and users at the same time. Without a way to control who can access what, a single compromised process or careless command coul
Linux Fundamentals: Working With a Linux Server — Part B
In part A, we established the fundamentals of the Linux environment: what Linux is, how distributions differ, how the shell provides access to the system, and how the filesystem is organized. Knowing
Linux Fundamentals: Understanding Linux and Navigating the Filesystem — Part A
If you work or want to work in cloud engineering, sooner or later you will find yourself inside a Linux server. You may connect to a cloud instance, inspect configuration files, troubleshoot an applic
From a Single Server to Cloud Architecture: Why Modern Applications Use Multiple Services
A simple application can run on a single server. You can install an operating system, deploy the application, connect a database, and make the application available to users. For a small application,
What Is a Server? Understanding Clients, Servers and Web Applications
In the previous article, we looked at what happens when an application runs inside an operating system. A program becomes a process, and the operating system manages that process through the kernel. B
Virtualization Explained: How Cloud Providers Turn Physical Machines Into Virtual Servers
In the previous articles, we established how a computer runs applications and how computers can act as servers. We can now take that understanding one step further. A server is still a computer. But i