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Tutorial
Some of the most compelling advantages of systemd are those involved with process and system logging. Using other systems, logs are usually dispersed throughout the system, handled by different daemons and tools, and ...
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By
Justin Ellingwood
System Tools
Logging
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In this tutorial, we will go over the installation of the Elasticsearch ELK Stack on Ubuntu 14.04—that is, Elasticsearch 2.2.x, Logstash 2.2.x, and Kibana 4.4.x. We will also show you how to configure it to gather and...
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By
Mitchell Anicas
Logging
Nginx
Monitoring
Elasticsearch
Ubuntu
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Tutorial
When running multiple services and applications on a...
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By
Hanif Jetha
Kubernetes
Elasticsearch
Logging
Solutions
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In this tutorial, we will go over the installation of the Elasticsearch ELK Stack on CentOS 7—that is, Elasticsearch 2.1.x, Logstash 2.1.x, and Kibana 4.3.x. We will also show you how to configure it to gather and vis...
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By
Mitchell Anicas
Logging
Nginx
Monitoring
Elasticsearch
CentOS
-
Tutorial
Logrotate is a system utility that manages the automatic rotation and compression of log files. If log files were not rotated, compressed, and periodically pruned, they would eventually consume all available disk spac...
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By
Brian Boucheron
Logging
Ubuntu
Ubuntu 16.04
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Tutorial
An effective logging solution is crucial to the success of any application. In this guide we'll focus on a logging package called Winston, an extremely versatile logging library and the most popular logging solution a...
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By
Steve Milburn
Node.js
Logging
Applications
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Tutorial
In recent years, Linux distributions have increasingly migrated away from other init systems to systemd. The systemd suite of tools provides a fast and flexible init model for managing an entire machine, from boot onw...
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By
Justin Ellingwood
System Tools
Linux Commands
Logging
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The Kibana interface is divided into four sections: Discover, Visualize, Dashboard, and Settings. In this tutorial, we will go over the basics of each section, and demonstrate how each section can be used.
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By
Mitchell Anicas
Logging
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Tutorial
In this tutorial for CentOS 7, you will learn how to install all of the components of the Elastic Stack, a collection of open-source software produced by Elastic which allows you to search, analyze, and visualize logs...
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By
Vadym Kalsin
Elasticsearch
Logging
Monitoring
Nginx
CentOS
Open Source
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Tutorial
In this tutorial, we will go over the installation of Logstash 1.4.2 and Kibana 3, and how to configure them to gather and visualize the syslogs of our systems in a centralized location. Logstash is an open source too...
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By
Mitchell Anicas
Monitoring
Logging
Ubuntu
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Tutorial
In this tutorial, we will go over the installation of the Elasticsearch ELK Stack on Ubuntu 16.04 (that is, Elasticsearch 2.3.x, Logstash 2.3.x, and Kibana 4.5.x). We will also show you how to configure it to gather a...
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By
Justin Ellingwood, Vadym Kalsin
Elasticsearch
Monitoring
Logging
Nginx
Ubuntu
Ubuntu 16.04
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Tutorial
Once your application is up and running in a cloud server environment, you may be wondering how you can improve your server environment to make the leap from "it works" to a full-fledged production environment. This a...
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By
Mitchell Anicas
Server Optimization
Backups
Logging
Conceptual
Load Balancing
High Availability
Monitoring
Configuration Management
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Tutorial
Linux and the applications that run on it can generate all different types of messages, which are recorded in various log files. Linux uses a set of configuration files, directories, programs, commands and daemons to ...
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By
Sadequl Hussain
Logging
Linux Basics
CentOS
Ubuntu
Debian
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Tutorial
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 syst...
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By
Aaron Mildenstein
Logging
Elasticsearch
Scaling
Server Optimization
Ubuntu
-
Tutorial
Following in the footsteps of our previous articles on Linux system hardening, security monitoring and emailing alerts, in this DigitalOcean article we will talk about Logwatch: a very powerful log parser and analyzer...
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By
O.S Tezer
Logging
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IP Geolocation, the process used to determine the physical location of an IP address, can be leveraged for a variety of purposes, such as content personalization and traffic analysis. In this tutorial, we will show yo...
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By
Mitchell Anicas
Logging
Monitoring
Elasticsearch
Ubuntu
-
Tutorial
Understanding the logging mechanisms of your server will help you diagnose problems and avoid larger problems down the road. In this article, we will explore Nginx's logging capabilities. We will discuss the configu...
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By
Justin Ellingwood
Logging
Linux Basics
Nginx
Server Optimization
Ubuntu
-
Tutorial
Apache can be configured to log a large quantity of information to help you diagnose problems and keep an eye on activity. In this guide, we will discuss how Apache handles logging and how you can create your own cus...
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By
Justin Ellingwood
Apache
Logging
Server Optimization
Ubuntu
-
Tutorial
The Linux Auditing System helps system administrators create an audit trail, a log for every action on the server. We can track security-relevant events, record the events in a log file, and detect misuse or unauthori...
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By
Veena K John
Logging
Security
CentOS
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One way to increase the effectiveness of your Logstash setup is to collect important application logs and structure the log data by employing filters. In this guide, we will focus primarily on how to add filters for v...
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By
Mitchell Anicas
Logging
Monitoring
Ubuntu
CentOS