All Posts tagged as "server monitoring"
Preventing SSH and SQL injection attacks using Fail2ban
Fail2Ban is an intrusion detection and prevention tool for Linux operating system. It is written in Python language. It works by checking log files using regular expressions. Entries that match the regular expression are banned by adding the IP address to the system firewall.
ReadData mining with Graylog2
In my earlier post titled, Graylog2 - A scalable open source centralized logging system, I had described my experience with installing and configuring Graylog2. In this post, I will describe my experience with using the search features of Graylog2.
ReadGraylog2 - A scalable open source centralized logging system
In this blog post I will describe my experience with installing an open source centralized logging system called Graylog2. Graylog2 is an excellent log management system. It is based on well known open source tools such as Mongodb and Elasticsearch.
ReadHigh CPU problems with Pfsense
Recently our Pfsense gateway server was consuming too much CPU. Especially during high network activity. This blog post describes my experience with trying to optimize Pfsense.
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