Containers

How to Set Up IPv6 on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up IPv6 on Debian 9

Introduction This guide explains how to Set Up IPv6 on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install with the standard […]

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How to Configure GitLab CI/CD Pipelines on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure GitLab CI/CD Pipelines on RHEL 7

How to Configure GitLab CI/CD Pipelines on RHEL 7 GitLab CI/CD turns every push to your repository into a fully automated pipeline that can build, test, and deploy your application without manual intervention. The pipeline definition lives in a file called .gitlab-ci.yml at the root of your repository, and the actual work is performed by […]

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How to Configure Network Bridging on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Network Bridging on Debian 9

Introduction How to Configure Network Bridging on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. This […]

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How to Set Up FTP Server with vsftpd on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up FTP Server with vsftpd on Debian 9

Introduction Deploying set up ftp server with vsftpd on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites […]

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How to Configure OpenDKIM with Postfix on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure OpenDKIM with Postfix on Debian 9

Introduction Deploying configure opendkim with postfix on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]

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How to Configure Jenkins Pipelines and Jenkinsfile on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Jenkins Pipelines and Jenkinsfile on RHEL 7

How to Configure Jenkins Pipelines and Jenkinsfile on RHEL 7 Jenkins Pipelines transform your CI/CD process from a series of fragile, click-configured jobs into version-controlled, repeatable automation defined entirely in code. A Jenkinsfile lives alongside your application source, meaning every change to the build process goes through the same review workflow as application code. This […]

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How to Set Up Dovecot IMAP Server on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Dovecot IMAP Server on Debian 9

Introduction How to Set Up Dovecot IMAP Server on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

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How to Configure Postfix Mail Server on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Postfix Mail Server on Debian 9

Introduction This guide explains how to Configure Postfix Mail Server on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install with the […]

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How to Set Up a Kubernetes Dashboard on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a Kubernetes Dashboard on RHEL 7

How to Set Up a Kubernetes Dashboard on RHEL 7 The Kubernetes Dashboard is a web-based UI that provides a graphical interface for managing cluster resources, viewing workload status, inspecting pod logs, executing commands inside containers, and monitoring resource utilisation. While kubectl provides full cluster control from the command line, the Dashboard is invaluable for […]

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How to Install and Configure Squid Proxy on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure Squid Proxy on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install and configure squid proxy on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully […]

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