Linux Open Source World

https://www.digitalocean.com/community/tutorials/how-to-set-up-a-production-elasticsearch-cluster-on-ubuntu-14-04

How To Set Up a Production Elasticsearch Cluster on Ubuntu 14.04 | DigitalOcean Elasticsearch is a popular open source search server that is used for real-time distributed search and analysis of data. When used for anything other than development, Elasticsearch should be deployed across multiple servers as a cluster, for the best

http://www.techrepublic.com/article/how-to-harden-mysql-security-with-a-single-command/

How to harden MySQL security with a single command - TechRepublic Securing your MySQL installation isn't difficult. Find out how to easily harden MySQL with one command.

https://nakedsecurity.sophos.com/2017/01/11/thousands-of-mongodb-databases-compromised-and-held-to-ransom/?utm_content=buffer132c0&utm_medium=social&utm_source=linkedin.com&utm_campaign=buffer

Thousands of MongoDB databases compromised and held to ransom MongoDB databases are being hit by an attacker demanding a 0.2BTC ransom

http://www.tecmint.com/wkhtmltopdf-convert-website-html-page-to-pdf-linux/

Wkhtmltopdf - A Smart Tool to Convert Website HTML Page to PDF in Linux Wkhtmltopdf is an open source simple and much effective command-line shell utility that enables user to convert any given HTML (Web Page) to PDF document .

https://www.ostechnix.com/how-to-limit-cpu-usage-of-a-process-in-linux/

How To Limit CPU Usage Of A Process In Linux - OSTechNix This brief article describes how to limit cpu usage of a process in Unix-like distributions using cpulimit command from commandline.

http://opensourceforu.com/2016/08/swatch/

Monitor Logs in Real-time with Swatch Though limited in its abilities, Swatch is a very powerful tool to implement alongside other security products to proactively monitor system logs. Swatch gives systems administrators great log-monitoring options. It’s a perfect tool for monitoring SSH or denial-of-service attacks on Linux servers, a...

http://www.linuxandubuntu.com/home/how-to-use-angry-ip-scanner-network-scanner

How To Use Angry IP Scanner (Network Scanner)

http://www.datamation.com/security/google-chrome-55-fixes-flaws-blocks-flash.html

Google Chrome 55 Fixes Flaws, Blocks Flash - Datamation Adobe Flash content will still run in Google'c Chrome 55 web browser, but users will need to specifically enable it.

https://www.howtoforge.com/tutorial/install-icinga2-and-icingaweb2-on-centos-7/

Server monitoring with Icinga 2 and Icingaweb 2 on CentOS 7 Icinga 2 is a scalable OpenSource monitoring software. This tutorial describes the installation of Icinga 2 together with Icingaweb on a CentOS 7 serv...

The Complete Guide to “useradd” Command in Linux – 15 Practical Examples

The Complete Guide to "useradd" Command in Linux - 15 Practical Examples In Linux, a 'useradd' commad is a low-level utility that is used for adding/creating user accounts in Linux and other Unix-like operating systems.

Webmin is an open source web based system configuration application for Linux system administration. With the help of this tool we can manage internal system configuration such as setting up user accounts, disk quotas, services configuration like Apache, DNS, PHP or MySQL, file sharing and much more. Webmin applications is based on Perl module and it uses TCP port 10000 with OpenSSL library for communicating via browser.

Webmin 1.801 Released - A Web Based System Administration Control Panel for Linux Webmin is an open source web based system administration and configuration control panel for Linux system administration, which allows admins to manage internal

Install Cacti (Monitoring tool) on ubuntu 16.04 server

Install Cacti (Monitoring tool) on ubuntu 16.04 server | Ubuntu Geek Install Cacti (Monitoring tool) on ubuntu 16.04 server Posted on June 6, 2016 by ruchi Leave a comment Sponsored Link Cacti is a complete network graphing solution designed to harness the power of RRDTool's data storage and graphing functionality. Cacti provides a fast poller, advanced graph templat...