web server

How to Install Apache HTTP Server on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Apache HTTP Server on RHEL 7

How to Install Apache HTTP Server on RHEL 7 Apache HTTP Server is one of the most widely deployed web servers in the world, powering millions of websites and applications. On Red Hat Enterprise Linux 7, Apache (referred to in the package system as httpd) is available directly from the default RHEL repositories, making installation […]

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How to Install Cockpit Web Console on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Cockpit Web Console on Debian 10

Introduction This guide explains how to Install Cockpit Web Console on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install with the […]

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How to Install Nginx on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Nginx on RHEL 7

How to Install Nginx on RHEL 7 Nginx is a high-performance, open-source web server and reverse proxy known for its speed, stability, and low memory footprint. On Red Hat Enterprise Linux 7, Nginx is not available in the default repositories, so you must either enable the EPEL (Extra Packages for Enterprise Linux) repository or configure […]

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How to Manage System Packages with yum on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Manage System Packages with yum on RHEL 7

How to Manage System Packages with yum on RHEL 7 Package management is one of the most fundamental skills for a RHEL 7 system administrator. The Yellowdog Updater Modified (yum) is the default package manager on RHEL 7, and it handles everything from installing and removing software to managing repositories, grouping related packages, and maintaining […]

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How to Use journalctl for Systemd Log Analysis on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Use journalctl for Systemd Log Analysis on RHEL 7

How to Use journalctl for Systemd Log Analysis on RHEL 7 On RHEL 7, the traditional syslog infrastructure is complemented — and in many cases replaced — by the systemd journal, managed by systemd-journald. The journalctl command is your primary interface for querying, filtering, and exporting log data collected by this service. Unlike flat text […]

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How to Manage Users and Groups with useradd, groupadd and passwd on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Manage Users and Groups with useradd, groupadd and passwd on RHEL 7

How to Manage Users and Groups with useradd, groupadd and passwd on RHEL 7 User and group management is one of the most fundamental administrative tasks on any Linux system. On Red Hat Enterprise Linux 7, the tools for creating, modifying and maintaining user accounts are robust, flexible and follow the standard POSIX conventions. Whether […]

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How to Configure Log Rotation with logrotate on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Log Rotation with logrotate on RHEL 7

How to Configure Log Rotation with logrotate on RHEL 7 Log files are essential for diagnosing system problems, tracking security events, and auditing application behavior. However, without proper management, log files grow without bound and can fill your disk, causing service outages and making historical logs difficult to navigate. logrotate is the standard log rotation […]

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How to Configure sudo and Sudoers on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure sudo and Sudoers on RHEL 7

How to Configure sudo and Sudoers on RHEL 7 On a Red Hat Enterprise Linux 7 system, it is a fundamental security best practice to avoid performing routine administrative tasks directly as the root user. The sudo utility allows designated regular users to execute specific commands — or all commands — with root-level privileges, while […]

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How to Manage Systemd Services and Units on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Manage Systemd Services and Units on RHEL 7

How to Manage Systemd Services and Units on RHEL 7 Red Hat Enterprise Linux 7 made a significant shift from the traditional SysVinit and Upstart initialization systems to systemd as the default init system. Systemd is a comprehensive system and service manager that controls how services start, stop, and interact with the rest of the […]

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How to Install and Configure Envoy Proxy on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure Envoy Proxy on RHEL 8

Envoy Proxy is a high-performance, cloud-native Layer 7 proxy originally built at Lyft and now a CNCF graduated project. Unlike Nginx or HAProxy, Envoy is designed with dynamic configuration via xDS APIs and deep observability baked in, making it the proxy of choice for service meshes such as Istio. On RHEL 8 you can run […]

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