5 Must-Have Open Source Tools for System Administrators
A system administrator's job becomes much easier with the right set of tools. There are plenty of open source tools out there that can help you monitor servers, manage logs, track IT assets and handle code — all without spending a single rupee. Here are 5 must-have open source tools that every system administrator should know about.
1. Rsyslog
Rsyslog is an open source software utility used on UNIX and Unix-like computer systems for forwarding log messages in an IP network. It implements the basic syslog protocol and extends it with content-based filtering, rich filtering capabilities, flexible configuration options, and adds important features such as using TCP for transport.
2. Logstash
Logstash is a tool for managing events and logs. You can use it to collect logs, parse them, and store them for later use (like, for searching). Speaking of searching, Logstash comes with a web interface for searching and drilling into all of your logs.
It is fully free and fully open source. The license is Apache 2.0, meaning you are pretty much free to use it however you want in whatever way.
Logstash is now a part of the Elasticsearch family! This allows them to build better software much faster, as well as offering production support.
3. Git
Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
Git is easy to learn and has a tiny footprint with lightning fast performance. It outclasses SCM tools like Subversion, CVS, Perforce, and ClearCase with features like cheap local branching, convenient staging areas, and multiple workflows.
4. OCS Inventory NG
Open Computers and Software Inventory Next Generation is a technical management solution for IT assets.
Since 2001, OCS Inventory NG has been trying to make the automated inventory of computer hardware more efficient.
- Lightweight bandwidth usage and small OS footprint.
- High performance: about 1,000,000 computers inventoried per day using a bi-Xeon 3 GHz server with 4 GB RAM.
- Based on well known products such as the Apache web server, MySQL database server, and PHP and PERL scripting languages.
- Modular solution with lots of plugins, and interfacing with other IT and Asset Management Software like GLPI.
5. nmon
nmon (short for Nigel's Monitor) is a system monitor tool for the AIX and Linux operating systems. The original nmon was a freely downloadable tool for AIX 4.3 from the AIX wiki. It was also rewritten for the Linux operating system running on IA-32, x86-64, RS/6000 and Power processors and Mainframe, and was released by IBM to open source in July 2009. Its features were then bundled as part of the AIX operating systems from AIX 5.3 TL09 and AIX 6.1 TL02 within the topas command. It is used by AIX and Linux system administrators and performance tuning specialists around the world.
These are the 5 must-have open source tools for system administrators. Are you using any of them already? Do leave your comments below and tell us about your favourite tools!
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