We are going to upgrade Nagios Core from 4.1.1 to 4.3.4. Continue reading
CentOS 7 Server Hardening Guide
This guide is based on a minimal CentOS 7 install following the idea that you only install software that you require. Continue reading
Nagiosgraph with Nagios Core: Graph Icons not Visible
We have Nagios Core 4.x with Nagiosgraph 1.5.2 installed. Continue reading
Setting up a NetApp NFSv4 Share for Linux Guests
Trying to set up a NetApp Data ONTAP NFSv4 share. Continue reading
Set up MongoDB Authentication for Graylog
I’ve been running MongoDB without authentication for some time, until recently, it had failed a Lynis security audit. Continue reading
Configure Tripwire on CentOS 7
Open Source Tripwire is a free software security and data integrity tool useful for monitoring and alerting on specific file changes on a range of systems. Open Source Tripwire functions as a host-based intrusion detection system. Continue reading
Send Squid Logs to Graylog
Using GELF to send Squid logs to Graylog. Continue reading
Send Apache Logs to Graylog
I was looking for an easy way to forward Apache access logs to Graylog, and came across GELF. Continue reading
Configure AWS NAT Gateway for Lambda Functions to Access Public SQS Queues from VPC
AWS Lambda function times out when trying to reach an SQS service from inside a VPC. Continue reading
Graylog Server Upgrade from 1.3.x to 2.0.x on CentOS 6
Upgrading Graylog2 to Graylog (sounds confusing, I know). Continue reading