firewalld Zones and Services: The RHEL-Family Firewall Guide
firewalld ships enabled on every RHEL-family install, so learn zones, services, permanent rules, and rich rules before an open port becomes an incident.
Linux8 min read
NetBay journal
Linux
52 practical Linux articles from Netbay Engineering — written for operators running Linux and Windows VPS in India.
52 articles in this topic
AllLinuxLinux AdministrationWindowsLinux SecurityLinux NetworkingContainersContainers & OrchestrationKubernetesCI/CDGitHubSelf-HostingBackups & DataDatabasesApp DeploymentDNS & TLSObservabilityEmailAI AgentsAI InfrastructureAPI & AutomationProxiesCloud ArchitectureHardware & PerformanceDevOps Practices
Alpine Linux: When a 130 MB Distro Is the Right Choice
What musl, BusyBox, and apk actually buy you on a 130 MB distro, where Alpine shines on a VPS, and where it bites back with glibc and systemd assumptions.
Linux6 min read
grep, sed, and awk: The Text Processing Power Toolbox
Master the three core Unix text processing tools for searching, transforming, and analyzing log files and config data.
Linux7 min read
CentOS 7 EOL and CentOS Stream: What Actually Changed
CentOS 7 hit end of life in 2024 while CentOS Stream replaced the old model. Retrace what changed, then audit and migrate every box still running it.
Linux7 min read
DNF and YUM: Package Management on RHEL-Family Servers Explained
DNF replaced YUM as the default package manager on RHEL-family systems, yet yum still runs. Master search, install, groups, history, and repo management.
Linux8 min read
openSUSE Leap on Servers: Zypper, Patterns, and YaST Overview
How zypper, patterns, and YaST fit together on openSUSE Leap, plus the patching commands, repository layout, and ncurses tools server admins use daily.
Linux6 min read
Linux Filesystem Hierarchy (FHS): Where Everything Lives
A practical map of the FHS standard directories, what goes in each, and why the layout matters for server administration.
Linux6 min read
Rocky Linux vs AlmaLinux: Choosing a CentOS Successor
Rocky and AlmaLinux both rebuild RHEL for free, yet governance differs. Learn the compatibility and tooling gaps before you standardize a CentOS successor.
Linux8 min read
AlmaLinux vs Rocky Linux: Choosing a CentOS Successor
Both rebuild RHEL source, but governance, release cadence, and tooling differ. Compare the two CentOS successors on facts that matter for production.
Linux7 min read
Maintaining a Rolling-Release Server: Arch Update Strategies That Work
A workable update policy for Arch servers: weekly windows, provider snapshots, .pacnew merges, package downgrades, and when to rebuild instead of updating.
Linux7 min read
Linux Users, Groups, and File Permissions: chmod, chown, umask
Understand Linux permission bits, ownership, group-based access control, and how umask shapes default file modes.
Linux7 min read
Debian 13 Trixie: Conservative Defaults and apt Best Practices
Debian 13 trixie behaves like the Debian you already trust: security suite, backports, pinning, and apt habits that keep a conservative server boring.
Linux7 min read