Ubuntu 18.04

Tutorials, projects and questions about Ubuntu 18.04, Bionic Beaver, a long-term support release that was released April 26, 2018 and will be supported by Canonical until April of 2023.

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    • Question

      SMTP service droplet for IOT messages

      One of my clients manufactures emergency lighting systems for commercial buildings. About 8 years ago I designed firmware for them that includes the capability to email automated test results and problem alerts to cus...
      3 answers8 days agoBy Michael F. EllisEmailUbuntu 18.04
    • Question

      ROOT LOGIN ERROR ( AUTO CLOSE AFTER CHANGE PASSWORD )

      here is my problem, when i do login as root after password reset, then it told me to login with the password and i can login, but after change the new password it auto close my PUTTY. Please help me to fix this problem.
      1 answer19 days agoBy meimeiApacheControl PanelsUbuntu 18.04
    • Tutorial

      How To Install Docker Compose on Ubuntu 18.04

      Docker is a great tool for automating the deployment of Linux applications inside software containers, but to take full advantage of its potential each component of an application should run in its own individual cont...
      19 days agoBy Tony Tran, Melissa AndersonDockerUbuntu 18.04
    • Tutorial

      How To Create a Self-Signed SSL Certificate for Apache in Ubuntu 18.04

      In this guide, we will show you how to set up a self-signed SSL certificate for use with an Apache web server on Ubuntu 18.04.
      19 days agoBy Justin Ellingwood, Brian BoucheronApacheSecurityUbuntuUbuntu 18.04
    • Tutorial

      How to Set Up SSH Keys on Ubuntu 18.04

      SSH-key-based authentication provides a more secure alternative to password-based authentication. In this tutorial we’ll learn how to set up SSH key-based authentication on an Ubuntu 18.04 installation.
      1 month agoBy Hanif JethaGetting StartedLinux BasicsSecuritySystem ToolsUbuntu 18.04
    • Tutorial

      How To Set Up an NFS Mount on Ubuntu 18.04

      NFS, or Network File System, is a distributed file system protocol that allows you to mount remote directories on your server. This tutorial goes over how to install all the components needed to run NFS and also walks...
      1 month agoBy Melissa AndersonNetworkingUbuntuUbuntu 18.04
    • Tutorial

      How To Install Python 3 and Set Up a Local Programming Environment on Ubuntu 18.04

      Python is a flexible and versatile programming language that can be leveraged for many use cases, with strengths in scripting, automation, data analysis, machine learning, and back-end development. This tutorial will ...
      2 months agoBy Lisa TagliaferriPythonDevelopmentUbuntu 18.04
    • Tutorial

      How To Install Python 3 and Set Up a Programming Environment on an Ubuntu 18.04 Server

      This tutorial will get your Ubuntu 18.04 server set up with a Python 3 programming environment. Programming on a server has many advantages and supports collaboration across development projects.
      2 months agoBy Lisa TagliaferriPythonDevelopmentUbuntu 18.04
    • Tutorial

      How To Build a Node.js Application with Docker

      Interested in Node.js but not sure where to start with Docker? This tutorial will walk you through the first step: building an image for a Node.js application and creating a container from it. We will also walk you th...
      2 months agoBy Kathleen JuellDockerNode.jsApplicationsUbuntu 18.04
    • Tutorial

      How To Configure BIND as a Private Network DNS Server on Ubuntu 18.04

      An important part of managing server configuration and infrastructure includes maintaining an easy way to look up network interfaces and IP addresses by name, by setting up a proper Domain Name System (DNS). Using ful...
      2 months agoBy Justin Ellingwood, Mitchell AnicasDNSNetworkingUbuntu 18.04
    • Tutorial

      How To Install the Apache Web Server on Ubuntu 18.04 [Quickstart]

      The Apache HTTP server is the most widely-used web server in the world. It provides many powerful features, including dynamically loadable modules, robust media support, and extensive integration with other popular so...
      2 months agoBy Kathleen JuellApacheQuickstartUbuntuUbuntu 18.04
    • Tutorial

      How To Install MariaDB on Ubuntu 18.04

      MariaDB is an open-source database management system, commonly used as an alternative for the MySQL portion of the popular LAMP (Linux, Apache, MySQL, PHP/Python/Perl) stack. It is intended to be a drop-in replacement...
      2 months agoBy Brian BoucheronInteractiveMySQLMariaDBDatabasesUbuntuUbuntu 18.04
    • Tutorial

      How To Install MySQL on Ubuntu 18.04

      MySQL is an open-source database management system, commonly installed as part of the popular LAMP (Linux, Apache, MySQL, PHP/Python/Perl) stack. It uses a relational database and SQL (Structured Query Language) to ma...
      2 months agoBy Mark DrakeInteractiveMySQLDatabasesUbuntuUbuntu 18.04
    • Tutorial

      How To Install and Use PostgreSQL on Ubuntu 18.04

      This tutorial provides instructions on how to install the PostgreSQL database software on an Ubuntu 18.04 server. It also includes instructions for basic database management.
      2 months agoBy Justin Ellingwood, Mark DrakeInteractivePostgreSQLDatabasesUbuntuUbuntu 18.04
    • Tutorial

      How To Create a Self-Signed SSL Certificate for Nginx in Ubuntu 18.04

      In this guide, we will show you how to set up a self-signed SSL certificate for use with an Nginx web server on an Ubuntu 18.04 server.
      2 months agoBy Justin Ellingwood, Brian BoucheronNginxSecurityUbuntuUbuntu 18.04
    • Tutorial

      How To Analyze Managed PostgreSQL Database Statistics Using the Elastic Stack on Ubuntu 18.04

      Database monitoring is the continuous process of systematically tracking various metrics that show how the database is performing. By observing the performance data, you can gain valuable insights and identify possibl...
      2 months agoBy SavicPostgreSQLDatabasesElasticsearchUbuntu 18.04
    • Tutorial

      How To Set Up vsftpd for a User's Directory on Ubuntu 18.04

      FTP, short for File Transfer Protocol, is a network protocol that was once widely used for moving files between a client and server. It has since been replaced by faster, more secure, and more convenient ways of deliv...
      2 months agoBy Melissa Anderson, Kathleen JuellLinux BasicsSecurityUbuntu 18.04
    • Question

      System information disabled due to load higher than 2.0 HELP please

      I am noticing that I cannot access my dashboard unless I reboot the ubuntu server, but I get the error System information disabled due to load higher than 2.0I am not finding much to resolve it. I need this resolved a...
      2 answers2 months agoBy john BaileyUbuntu 18.04
    • Question

      i am facing issue while installing bigbluebutton local ubuntu machine Kindly help me out how to install

      Saving debug log to /var/log/letsencrypt/letsencrypt.logPlugins selected: Authenticator webroot, Installer NoneObtaining a new certificatePerforming the following challenges:http-01 challenge for bbb.danishkada.com Us...
      1 answer3 months agoBy w0rk567145@gmail.comUbuntu 18.04
    • Question

      While installing package using apt-get i am getting this error on my ubuntu droplet

      So when i try to install any package on my ubuntu 18.04 machineI am getting below errore.g when i do “sudo apt upgrade” I am getting same error“sudo apt-get install sqlite3 libsqlite3-dev” when i run this command i am...
      1 answer4 months agoBy farhanaftab25Ubuntu 18.04Python