What is syslog-ng server?

Published by Anaya Cole on

What is syslog-ng server?

syslog-ng is a free and open-source implementation of the syslog protocol for Unix and Unix-like systems. It extends the original syslogd model with content-based filtering, rich filtering capabilities, flexible configuration options and adds important features to syslog, like using TCP for transport.

How do I collect logs using syslog-ng?


  1. Install the syslog-ng application on the host.
  2. Configure the network sources that collect the log messages sent by the clients.
  3. Create a network destination that points to the syslog-ng server.
  4. Create a log statement connecting the network sources to the syslog-ng server.

How do I setup and install syslog-ng?

Install syslog-ng

  1. Check OS version on System: $ lsb_release -a.
  2. Install syslog-ng on Ubuntu: $ sudo apt-get install syslog-ng -y.
  3. Install using yum:
  4. Install using Amazon EC2 Linux:
  5. Verify installed version of syslog-ng:
  6. Verify your syslog-ng server is running properly: These commands should return success messages.

What is syslog rsyslog syslog-ng?

They’re all syslog daemons, where rsyslog and syslog-ng are faster and more feature-rich replacements for the (mostly unmaintained) traditional syslogd. syslog-ng started from scratch (with a different config format) while rsyslog was originally a fork of syslogd, supporting and extending its syntax.

What is difference between syslog and syslog-ng?

Rsyslog is mainly available for Linux and recently for Solaris. The syslog-ng application is highly portable and available for many more platforms including AIX, HP-UX, Linux, Solaris, Tru64 and most variants of BSD. This makes syslog-ng more suitable for sites with diverse platforms.

Where is syslog-ng configuration file?

/etc/syslog-ng/ directory
Location of the syslog-ng configuration file The location of the configuration file depends on how you installed syslog-ng OSE. Native packages of a platform (like the ones downloaded from Linux repositories) typically place the configuration file under the /etc/syslog-ng/ directory.

What does rsyslogd do with sockets?

Rsyslogd is a system utility providing support for message logging. Support of both internet and unix domain sockets enables this utility to support both local and remote logging.

Why does syslog-ng require so many dependencies?

If all the features would be included in a single package, installing syslog-ng would also install dozens of smaller and larger dependencies, including such behemoths as Java. This is why the syslog-ng package includes only the core functionality, and features requiring additional dependencies are available as sub-packages.

What is syslog-ng and how does it work?

It provides logical separation between applications and their log messages, so they can simply “fire and forget” log messages to a centralized process for reporting, analysis, and storage. In this post, you’ll learn the basics of syslog-ng configuration.

How do I install syslog-ng on Linux?

The syslog-ng application is included in all major Linux distributions, and you can usually install syslog-ng from the official repositories. If the core functionality of syslog-ng meets your needs, use the package in your distribution repository (yum install syslog-ng), and you can stop reading here.

How do I edit syslog ng config file?

Syslog-ng Configuration. Configuring syslog-ng is simple. Find and edit the syslog-ng.conf file. On most distributions you’ll find it in the /etc/syslog-ng/ directory. You can edit the file with your favorite text editor. The config file syntax is specific to syslog-ng but should look familiar to most programmers.

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