[Debian 9] – Installing Racktables
Installing the DCIM Software Racktables on Debian 9 with Apache2 and PHP 7.0
Category: System Administration
Ansible & Cisco – Automating configuration management.
Configuring network equipment has always been somewhat of a tedious affair. Copy and pasting a configuration file through the console port doesn’t scale (or you need a lot of interns!) and other solutions like Cisco Prime are slightly overkill if you only want to change a few lines of configuration. This is where Ansible comes
Monitoring @ Lan ETS
Monitoring at an event of our scale is a critical part of our design process. The different monitoring services are our eyes and ears and allow us to quickly understand the state of our network. Since our event is over a very short period of time, our goal is to have a smooth experience for
Raspberry Pi 2 – NTP server | Stratum 1
Well, it’s done! I have a small RP2 acting as a Stratum 1 NTP Server using a GPS module with the GPIO input. It’s been added the canadian pool.ntp.org cluster of NTP servers and has begun answering queries. The process was relatively simple with a few things to keep in mind : The default repository
Centos 6.5 – Monitoring Bind9 with Bindgraph.
Bindgraph is a program based on Mailgraph and offers the same basic features. It reads the dns_queries.log file and creates a .rrd file listing the number of queries per record type (A, AAA, CNAME, PTR and a few others). It then generates a graph, takes a screenshot and creates a nice HTML page with a .cgi
CentOS 6.5 – Private key authentication for ssh
SSH is secure! I don’t need anything else! Well, you are not exactly wrong. But security is not something that should be taken lightly. I’ve recently acquired a Linode host and I was stunned by the number of unauthorized login attempts. About 99% of those attempts were probably automated scripts crawling the Internet for anything responding to queries