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 routineOct 18 · 13 min readpaulking.hashnode.dev
Linux Networking, SSH, Logs, and TroubleshootingA 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 Oct 18 · 14 min readpaulking.hashnode.dev
Linux Processes, Services, Packages, and System AdministrationA 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 thoseOct 18 · 13 min readpaulking.hashnode.dev
Linux Users, Groups, Permissions, and Privilege ManagementA 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 coulOct 6 · 11 min readpaulking.hashnode.dev
Linux Fundamentals: Working With a Linux Server — Part BIn 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 Oct 6 · 10 min readpaulking.hashnode.dev