How To Add Swap Space on Ubuntu 22.04
One way to guard against out-of-memory errors in applications is to add some swap space to your server. In this guide, we will cover how to add a swap file to an Ubuntu 22.04 server.
One way to guard against out-of-memory errors in applications is to add some swap space to your server. In this guide, we will cover how to add a swap file to an Ubuntu 22.04 server.
The authorized_keys file on an SSH server can become difficult to manage with key changes and a large amount of entries. It can be hard to know which credentials are valid and which actual person each key is associated with. The Monkeysphere system allows you to configure authentication to an SSH server in plain English by utilizing GPG keys. This leads to a more manageable system and allows you to create policies for users, not keys.
After getting your application server up and running, an important next step is to set up a backup system. A backup system will allow you to create periodic backup copies of your data, and restore data from those backups. This tutorial will show you how to create proper backups of a PHP application, running on a single server LAMP stack, by using a separate backups server that is running Bacula.
MongoDB est l’un des moteurs de base de données NoSQL les plus populaires. Il doit sa célébrité à son évolutivité, sa puissance, sa fiabilité et sa facilité d’utilisation. Dans cet article, nous allons vous montrer de quelle manière sauvegarder, restaurer et migrer vos bases de données MongoDB.
In this tutorial, you will build a modern web application with a separate REST API backend and frontend using React, Django, and Django REST Framework. By using React with Django, you’ll be able to benefit from the latest advancements in JavaScript and front-end development. The web application you will build stores records about customers in a database, and you can use it as a starting point for a CRM application.
The Go programming language comes with a rich toolchain that makes obtaining packages and building executables incredibly easy. One of Go’s most powerful features is the ability to cross-build executables for any Go-supported foreign platform. This makes testing and package…
Rsyslog, Elasticsearch, and Logstash provide the tools to transmit, transform, and store your log data. In this tutorial, you will learn how to create a centralized rsyslog server to store log files from multiple systems and then use Logstash to send them to an Elasticsearch server. From there, you can decide how best to analyze the data.
Clustering adds high availability to your database at the hardware level by distributing changes to different servers. In the event that one of the instances fails, others are quickly available to continue serving…
The practice of synchronizing data across multiple separate databases is called replication. In MongoDB, a group of servers that maintain the same data set through replication are referred to as a replica set. This tutorial provides a brief overview of how replication works in MongoDB before outlining how to configure and initiate a replica set with three members.
O autor selecionou a COVID-19 Relief Fund para receber uma doação como parte do programa Write for DOnations. O servidor Web Apache HTTP…