Getting Jenkins running on Ubuntu or Debian starts with preparing the server for the installation. Jenkins is an automation server that runs jobs started by a person or a source-control event. I’ll show how to install Jenkins from its LTS package repository and open the setup page. TL;DR Install a supported Java runtime, add the
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For Python work on Ubuntu, install Jupyter Notebook in a virtual environment for the project. Jupyter Notebook combines code, its results, and written notes in one document. This article shows how to install Notebook and check which version is available in the environment. TL;DR Install Jupyter Notebook inside a Python virtual environment so its packages
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Changing a Debian machine’s name starts with choosing the hostname it should use. The hostname is the system label that Debian and local software use to identify the machine. In this piece, I’ll show how to set a persistent hostname with hostnamectl and check its local mapping in /etc/hosts. TL;DR: Change the Debian Hostname Set
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A shell script can offer actions as numbered choices. Bash select displays those choices, reads a selection, and repeats the menu body until break ends the loop. This piece explains how Bash select works and shows how to build a menu and check its response. TL;DR: Build a menu with Bash select Bash select prints
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A Bash loop can stop when a condition is met or skip an item and continue with the next one. The break and continue commands choose which of those actions Bash takes. In this piece, I’ll compare their effects and show how a numeric level targets a loop inside another loop. TL;DR: Choose break to
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To find the address assigned to a Linux network interface, start with a command that lists interface details. The ifconfig command displays interface addresses and status, while ip provides a compact address view. This article shows how to inspect one interface and how to list active or all interfaces. TL;DR ifconfig displays network-interface addresses and
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Setting up PostgreSQL on Ubuntu starts with deciding whether the database will run on this machine or another one. psql is a terminal client for sending SQL commands to a PostgreSQL server. I’ll show how to select the package source and create an application role and database. TL;DR Install the PostgreSQL server for a local
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Managing network access on Debian starts with choosing which connections the host should permit. UFW, the Uncomplicated Firewall, is a command-line interface for managing host firewall rules. In this piece, I’ll walk through setting up UFW on Debian and checking the active rules. TL;DR: Set Up UFW Safely Install UFW, add rules for required services
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Choosing between Ubuntu and Pop!_OS means comparing what each offers for your desktop. Both are Linux distributions, which combine the Linux kernel with tools and software to make an installable operating system. This article shows how to preview each desktop and compare the current releases. TL;DR: Ubuntu vs Pop!_OS Choose Ubuntu for Canonical’s GNOME desktop
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Mount an NTFS drive on Arch Linux by identifying its partition. The ntfs3 kernel driver lets Linux mount that filesystem when you specify its type. This article shows how to identify an NTFS partition, check the ntfs3 driver and mount the volume. It also explains when an explicit startup module list is useful. TL;DR On
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